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NR Electric PCS-9641 Instruction Manual

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PCS-9641
Motor Relay
Instruction Manual
NR Electric Co., Ltd.

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Summary of Contents for NR Electric PCS-9641

  • Page 1 PCS-9641 Motor Relay Instruction Manual NR Electric Co., Ltd.
  • Page 3 Documentation for equipment ordered from NR Electric Co., Ltd. is dispatched separately from manufactured goods and may not be received at the same time. Therefore this guide is provided to ensure that printed information normally present on equipment is fully understood by the recipient.
  • Page 4 Thirty seconds is NECESSARY for discharging the voltage. Hazardous voltage can be present in the DC circuit just after switching off the DC power supply. CAUTION!  Earthing Securely earthed the earthing terminal of the device. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 5 AND gate: all the input signals are “1”, then the output is “1” OR gate: anyone the input signals is “1”, then the output is “1” RS flipflop (static memory): setting input (S), resetting input (R), output (Q) and inverted output (Q) PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 6 The information in this manual is carefully checked periodically, and necessary corrections will be included in future editions. If nevertheless any errors are detected, suggestions for correction or improvement are greatly appreciated. We reserve the rights to make technical improvements without notice. NR ELECTRIC CO., LTD. Tel: +86-25-87178888 Headquarters: 69, Suyuan Avenue, Jiangning, Nanjing 211102, China...
  • Page 7 Introduce the configurable function (such as protection function configuration, LED configuration, binary input configuration and binary output configuration etc.) of this relay. 10 Communication Introduce the communication port and protocol which this relay can support, the IEC60970-5-103, IEC61850 and DNP3.0 protocols are introduced in details. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 8 A general maintenance policy for this relay is outlined. 14 Decommissioning and Disposal A general decommissioning and disposal policy for this relay is outlined. 15 Manual Version History List the instruction manual version and the modification history records. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 9 1 Introduction 1 Introduction Table of Contents 1.1 Application ....................... 1-1 1.2 Functions ......................1-1 1.3 Features ......................1-3 List of Figures Figure 1.1-1 Functional diagram of PCS-9641 ................. 1-1 PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 10 1 Introduction PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 11 1 Introduction 1.1 Application The PCS-9641 relay is a protection, control and monitoring unit for various kinds of motors on solidly grounded, impedance grounded, Peterson coil grounded and ungrounded system. This relay is suitable for wall surface mounted indoors or outdoors or flush mounted into a control panel.
  • Page 12 Restart inhibit for starts per time interval Starting-time supervision Mechanical protection Analog inputs Voltage and current drift auto adjustment Self supervision Voltage transformer supervision Current transformer supervision Binary inputs Binary outputs  Management functions Management Functions Metering Circuit breaker status monitoring PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 13 Various algorithms for protection and measurement have been completed in this device for the feature of electronic transformer sampling, such as the error prevention method of multi-algorithms data anomaly for the digital channels, to realize high accuracy and reliability PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 14 1024 latest user operation records and 1024 latest records of time tagged sequence of event (SOE) can be recorded.  Powerful fault and disturbance recording function is supported: 8 latest motor startup wave records, 64 latest fault or disturbance waves, the duration of a wave recording is configurable. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 15 2.2.13 Breaker Failure Protection ....................2-10 2.2.14 Broken Conductor Protection ..................2-11 2.2.15 Under Power Protection ....................2-11 2.2.16 Reverse Power Protection ....................2-11 2.2.17 Power Factor (Out-of-step) Protection ................2-11 2.3 Management Functions ................. 2-12 PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 16 2 Technical Data 2.3.1 Metering Scope and Accuracy ..................2-12 2.3.2 Control Performance......................2-12 2.3.3 Clock Performance ......................2-12 2.3.4 Fault and Disturbance Recording ..................2-12 2.3.5 Binary Input Signal ......................2-13 2.4 Certification ....................2-13 PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 17 2.1.1.4 Binary Input Binary input number Up to 38 Rated voltage 110V 125V 220V 250V Rated current 1.10mA 1.25mA 2.20mA 2.50mA Pickup voltage 55% ~ 70% rated voltage “ON” value voltage 70% ~ 120% rated voltage PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 18 Operating temperature range -40° C ~ +70° C (for the LCD -20° C ~ +70° C) Transport and storage temperature range -40° C ~ +70° C Permissible humidity 5% ~ 95%, condensation not permissible Altitude < 3000m PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 19 LQ-300K Safety level Isolation to ELV level 2.1.4.4 Serial Port for Time Synchronization Medium Parameters Port number Transmission distance < 500m RS-485 (EIA) Maximal capacity Timing standard PPS, IRIG-B Safety level Isolation to ELV level PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 20 - Spot frequency - Radiated amplitude-modulated 10Vm(RMS), f=80/160/450/900MHz - Radiated pulse-modulated 10Vm(RMS), f=900MHz Fast transient disturbance tests IEC60255-22-4: 2008, Class IV - Power supply, I/O & Earth terminals 4kV, 2.5kHz, 5/50ns - Communication terminals 2kV, 5.0kHz, 5/50ns PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 21 2.2.1 Current Differential Protection 2.2.1.1 Percentage Current Differential Protection Pickup up current setting 0.1×Ie ~ 1.5×Ie (Ie: motor rated current) ≤ 2.5% Setting or 0.02×Ie, whichever is greater Tolerance of current setting Slope setting 0.30 ~ 0.75 PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 22 0.05 ~ 100.00 ≤ 35ms Pickup time ≤ 35ms Dropout time ≤ 5% of reference (calculated) value + 2.5% current Tolerance of trip time for 1.2 < I/Ip < 30 tolerance or 35ms, whichever is greater PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 23 2.2.3.3 Zero Sequence Directional Element Directionality Optional: Forward, Reverse Characteristic angle Configurable: -180° ~179° , step is 1° Boundary and angle accuracy ± 3° Block logic Permission or block selectable by setting ≤ 35ms Operating time PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 24 Time setting 0.03s ~ 100.00s ≤ 50ms Pickup time ≤ 50ms Dropout time ≤ 1% Setting + 50ms Tolerance of time setting 2.2.6 Thermal Overload Protection Reference current setting 0.05×In ~ 3.0×In Pickup current 1.00×Setting PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 25 0.03s ~ 100.00s ≤ 50ms Pickup time ≤ 50ms Dropout time ≤ 1% Setting + 50ms Tolerance of time setting 2.2.10 Negative Sequence Overvoltage Protection Voltage setting 8.00V ~ 120.00V Pickup voltage 1.00×Setting Dropout voltage 0.95×Setting PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 26 ≤ 2.5% Setting or 0.01×In, whichever is greater Tolerance of current setting Time setting 0.00s ~ 100.00s ≤ 35ms Pickup time ≤ 35ms Dropout time ≤ 1% Setting + 35ms Tolerance of time setting PCS-9641 Motor Relay 2-10 Date: 2016-12-29...
  • Page 27 Dropout power 0.95×Setting ≤ 2.5% Setting or 0.01 Tolerance of power setting Time setting 0.05s ~ 100.00s ≤ 35ms Pickup time ≤ 35ms Dropout time ≤ 1% Setting + 35ms Tolerance of time setting PCS-9641 Motor Relay 2-11 Date: 2016-12-29...
  • Page 28 IRIG-B (200-98), PPS or SNTP protocol 2.3.4 Fault and Disturbance Recording ≤ 2.5% of applied quantities Magnitude and relative phases Maximum duration 10000 sampled points (24 sampled points per cycle) Recording position 5 cycles before pickup of trigger element PCS-9641 Motor Relay 2-12 Date: 2016-12-29...
  • Page 29 Potential-free contact ≤ 2ms Resolution of SOE 2.4 Certification  ISO9001: 2008  ISO14001: 2004  OHSAS18001: 2007  ISO10012: 2003  CMMI L5  EMC: 2014/30/EU, EN60255-26: 2013  Products safety(LVD): 2014/35/EU, EN60255-27: 2014 PCS-9641 Motor Relay 2-13 Date: 2016-12-29...
  • Page 30 2 Technical Data PCS-9641 Motor Relay 2-14 Date: 2016-12-29...
  • Page 31 3.7.1 Definite Time Zero Sequence Overcurrent Protection ............3-20 3.7.2 IDMT Zero Sequence Overcurrent Protection ..............3-22 3.7.3 Directional Element for Zero Sequence Overcurrent Protection ........3-22 3.7.4 Zero Sequence Overcurrent Protection Settings .............. 3-24 PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 32 3.15.1 Zero Sequence Overvoltage Protection Theory .............. 3-40 3.15.2 Zero Sequence Overvoltage Protection Settings ............3-40 3.16 Negative Sequence Overvoltage Protection ..........3-41 3.16.1 Negative Sequence Overvoltage Protection Theory ............3-41 3.16.2 Negative Sequence Overvoltage Protection Settings ............. 3-41 PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 33 Figure 3.5-4 Logic diagram of the stage 4 overcurrent protection ........3-12 Figure 3.5-5 Logic diagram of the OC1 phase A voltage control element ......3-13 Figure 3.5-6 Operation characteristic of the OC directional element ........3-14 PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 34 Figure 3.19-2 Logic diagram of the stage 1 over-frequency protection ......3-47 Figure 3.19-3 Logic diagram of the frequency rate-of-change protection ......3-48 Figure 3.20-1 Logic diagram of the No.1 mechanical protection ......... 3-50 Figure 3.21-1 Logic diagram of the No.1 RTD temperature protection ....... 3-52 PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 35 3 Operation Theory 3.1 Overview The PCS-9641 relay is a microprocessor based relay which can provide mature protection for various primary equipments (such as overhead line, underground cable and transformer etc.). The following sections detail the individual protection functions of this relay.
  • Page 36 22. The voltages are greater than the setting of the stage 2 overvoltage protection multiplied by the dropout coefficient setting of the stage 2 overvoltage protection if the stage 2 overvoltage protection is enabled. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 37 36. If the temperature of the RTDx (x: 1~6) is greater than the setting of the corresponding RTD temperature protection if the corresponding RTD temperature protection is enabled. The FD element will reset 500ms later after the last one of the above items is reverted. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 38 MSC.En_Ctrl_StartInterval The logic setting of the startup interval control MSC.En_Ctrl_N_MaxStart The logic setting of the startup number control 3.4 Current Differential Protection The current differential protection is the main protection for phase-to-phase fault and inter-turn PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 39 ” is the pickup setting of differential protection, the setting [87M.I_Biased]. cdqd The percentage current differential protection can promise no maloperation when external fault occurs and high sensitivity when internal fault occurs. The operation characteristic curve of the current differential protection is show as bellow. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 40 “Idx” (x: a, b or c) is the phase differential current; “Irx” (x: a, b or c) is the phase restraint current; [87M.En_Biased] is the logic setting of the percentage current differential protection; [87M.En1_Biased] is the binary signal for enabling the percentage differential protection; PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 41 [87M.Blk] is the binary signal for blocking the current differential protection. 3.4.4 Current Differential Protection Settings All the settings of the current differential protection are listed in following table. For the information about the common explanation of the settings, see Section 7.3. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 42 (IDMT). If the setting [50/51P4.Opt_Curve] is set as “0”, the stage 4 overcurrent protections can be with definite time characteristic. The demonstration characteristic figure of the DT overcurrent protection and IDMT overcurrent protection is shown as below. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 43 Section 3.5.3 for more details about the voltage control element; “50/51P1.Dir_x (x: A, B, C)” denotes the state of the directional element of the stage 1 overcurrent protection, see Section 3.5.4 for more details about the directional element. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 44 The inverse time delayed characteristics comply with the following formula (based on IEC60255-3 and IEEE Std C37.112-1996 standard).              Where: k = Constant, the setting [50/51P4.K]. α = Constant, the setting [50/51P4.Alpha]. PCS-9641 Motor Relay 3-10 Date: 2016-12-29...
  • Page 45 [50/51P4.C] need not to be set, and these values as listed in above table will be used. The logic diagram of the stage 4 overcurrent protection is shown in Figure 3.5-4. The overcurrent block is a level detector that detects whether the current magnitude is above the threshold. PCS-9641 Motor Relay 3-11 Date: 2016-12-29...
  • Page 46 Section 3.5.1. When the VCO is enabled, the overcurrent setting can be modified just to be in excess of the maximum value of the load current. PCS-9641 Motor Relay 3-12 Date: 2016-12-29...
  • Page 47 [VTS.Alm] is the alarm signal of the protection voltage transformer supervision. 3.5.4 Directional Element for Overcurrent Protection The phase fault elements of this relay are internally polarized by the quadrature phase-to-phase PCS-9641 Motor Relay 3-13 Date: 2016-12-29...
  • Page 48 Any of the first four overcurrent stages may be configured to be directional. When the element is selected as directional, a VTS block option is available. When the relevant setting is set as “1”, PCS-9641 Motor Relay 3-14 Date: 2016-12-29...
  • Page 49 2~70V 0.001V voltage blocking element (phase voltage) The voltage setting of the low voltage blocking 50/51P.Upp_VCE 2~120V 0.001V element (phase-to-phase voltage) The relay characteristic angle for the directional 50/51P.RCA -180° ~179° 1° overcurrent protection PCS-9641 Motor Relay 3-15 Date: 2016-12-29...
  • Page 50 3 overcurrent protection The setting is used to select the directional mode 50/51P3.Opt_Dir for the stage 3 overcurrent protection, see Section 3.5.4 The logic setting of the stage 3 overcurrent 50/51P3.En protection PCS-9641 Motor Relay 3-16 Date: 2016-12-29...
  • Page 51 The heat generated of the motor is the resistive loss (Ι R×t). Thus, heating is directly proportional PCS-9641 Motor Relay 3-17 Date: 2016-12-29...
  • Page 52 = Steady state pre-loading before application of the thermal overload; k = Factor associated to the thermal state formula, the setting [49.K_Trp] and [49.K_Alm]. The characteristic curve of thermal overload model is shown in Figure 3.6-1. PCS-9641 Motor Relay 3-18 Date: 2016-12-29...
  • Page 53 [49.En_Trp] is the logic setting of the thermal overload protection; [49.En_Alm] is the logic setting of the thermal overload alarm element; [49.En1] is the binary signal for enabling the thermal overload protection; [49.Blk] is the binary signal for blocking the thermal overload protection; PCS-9641 Motor Relay 3-19 Date: 2016-12-29...
  • Page 54 (IDMT). If the setting [50/51G2.Opt_Curve] is set as “0”, the stage 2 zero sequence overcurrent protections can be with definite time characteristic. The other stages only have definite time characteristics. The zero sequence current can be derived from a dedicated zero sequence current transformer or PCS-9641 Motor Relay 3-20 Date: 2016-12-29...
  • Page 55 ” (x: 1~3) is the setting [50/51Gx.t_Op] (x: 1~3), the time setting of the stage x (x: 1~3) ROCx zero sequence overcurrent protection; [50/51Gx.En] (x: 1~3) is the logic setting of the stage x (x: 1~3) zero sequence overcurrent protection; PCS-9641 Motor Relay 3-21 Date: 2016-12-29...
  • Page 56 3.7.3 Directional Element for Zero Sequence Overcurrent Protection The residual voltage is used to polarize the directional earth fault (DEF) protection. With earth fault protection, the polarizing signal is required to be a representative of the earth fault condition. PCS-9641 Motor Relay 3-22 Date: 2016-12-29...
  • Page 57 When the relevant setting is set as “0”, the stage will revert to non-directional upon operation of the VTS. The detailed logic diagram of the zero sequence directional element of the stage 1 zero sequence overcurrent protection is shown as below. PCS-9641 Motor Relay 3-23 Date: 2016-12-29...
  • Page 58 0.001A overcurrent protection The time setting of the stage 2 zero sequence 50/51G2.t_Op 0~100s 0.001s overcurrent protection The setting is used to select the directional mode 50/51G2.Opt_Dir for the ROC2 protection, see Section 3.7.3 PCS-9641 Motor Relay 3-24 Date: 2016-12-29...
  • Page 59 The input CT is designed specially to operate at very low current magnitudes. The following figure shows the stage 1 sensitive earth fault protection logic diagram, other stage has the same logic diagram. PCS-9641 Motor Relay 3-25 Date: 2016-12-29...
  • Page 60 [50/51SEF3.En1] is the binary signal for enabling the stage 3 sensitive earth fault protection; [50/51SEF3.Blk] is the binary signal for blocking the stage 3 sensitive earth fault protection; [50/51SEF3.Opt_Curve] is the setting for selecting the inverse time characteristic curve; PCS-9641 Motor Relay 3-26 Date: 2016-12-29...
  • Page 61 When the relevant setting is set as “0”, the stage will revert to non-directional upon operation of the VTS. The detailed logic diagram of the directional element of the stage 1 sensitive earth fault protection is shown as below. PCS-9641 Motor Relay 3-27 Date: 2016-12-29...
  • Page 62 The time setting of the stage 2 sensitive earth 50/51SEF2.t_Op 0~100s 0.001s fault protection The setting is used to select the directional mode 50/51SEF2.Opt_Dir for the stage 2 SEF protection, see Section 3.8.3 PCS-9641 Motor Relay 3-28 Date: 2016-12-29...
  • Page 63 This relay provides a three-stage negative sequence overcurrent protection with definite time delay characteristics. Each stage can be enabled or disabled by logic settings independently. The PCS-9641 Motor Relay 3-29 Date: 2016-12-29...
  • Page 64 Figure 3.9-2 Logic diagram of the IDMT negative sequence overcurrent protection Where: [50/51Q2.I2_Set] is the current setting of the stage 2 negative sequence overcurrent protection; [50/51Q2.En] is the logic setting of the stage 2 negative sequence overcurrent protection; PCS-9641 Motor Relay 3-30 Date: 2016-12-29...
  • Page 65 The current setting of the stage 3 negative 50/51Q3.I2_Set 0.05In~4In 0.001A sequence overcurrent protection The time setting of the stage 3 negative sequence 50/51Q3.t_Op 0.03~100s 0.001s overcurrent protection The logic setting of the stage 3 negative sequence 50/51Q3.En overcurrent protection PCS-9641 Motor Relay 3-31 Date: 2016-12-29...
  • Page 66 The time setting for the broken conductor 50BC.t_Op 0~200s 0.001s protection The logic setting for the broken conductor 50BC.En protection The output matrix setting of the broken conductor 0x0000 ~ 50BC.OutMap protection 0x3FFF PCS-9641 Motor Relay 3-32 Date: 2016-12-29...
  • Page 67 Figure 3.11-1 Logic diagram of the breaker failure protection Where: [50BF.I_Set] is the current setting of the breaker failure protection; “t ” is the setting [50BF.t_Op], the time setting of the breaker failure protection; BFP1 PCS-9641 Motor Relay 3-33 Date: 2016-12-29...
  • Page 68 The logic setting of the breaker failure protection The logic setting of the re-trip function of the 50BF.En_ReTrp breaker failure protection The output matrix setting of the breaker failure 0x0000 ~ 50BF.OutMap protection 0x3FFF PCS-9641 Motor Relay 3-34 Date: 2016-12-29...
  • Page 69 The current setting of the undercurrent protection 0.1In~1.0In 0.001A 37.t_Op The time setting of the undercurrent protection 0.1~100s 0.001s 37.En The logic setting of the undercurrent protection The output matrix setting of the undercurrent 0x0000 ~ 37.OutMap protection 0x3FFF PCS-9641 Motor Relay 3-35 Date: 2016-12-29...
  • Page 70 & Ub < [27P1.U_Set] [27P1.St] Uc < [27P1.U_Set] Ua < [27P1.U_Set] & & [27P1.Op] Ub < [27P1.U_Set] Uc < [27P1.U_Set] [BI_52b] [27P1.En] [27P1.En1] [27P1.Blk] Figure 3.13-1 Logic diagram of the stage 1 undervoltage protection PCS-9641 Motor Relay 3-36 Date: 2016-12-29...
  • Page 71 The logic setting of the stage 2 undervoltage 27P2.En protection The output matrix setting of the stage 2 0x0000 ~ 27P2.OutMap undervoltage protection 0x3FFF If the voltage is greater than [27Px.U_Set]×[27Px.K_DropOut] (x: 1~2), the related undervoltage PCS-9641 Motor Relay 3-37 Date: 2016-12-29...
  • Page 72 & Ub > [59P1.U_Set] [59P1.St] Uc > [59P1.U_Set] Ua > [59P1.U_Set] & [59P1.Op] & Ub > [59P1.U_Set] Uc > [59P1.U_Set] [59P1.En] [59P1.En1] [59P1.Blk] Figure 3.14-1 Logic diagram of the stage 1 overvoltage protection Where: PCS-9641 Motor Relay 3-38 Date: 2016-12-29...
  • Page 73 If the voltage is less than [59Px.U_Set]×[59Px.K_DropOut] (x: 1~2), the related overvoltage protection will drop out. The dropout coefficient [59Px.K_DropOut] (x: 1~2) for setting the dropout value of the related overvoltage protection and its typical value is “0.97”. PCS-9641 Motor Relay 3-39 Date: 2016-12-29...
  • Page 74 The time setting of the zero sequence overvoltage 59G.t_Op 0.03~100s 0.001s protection logic setting zero sequence 59G.En overvoltage protection The output matrix setting of the zero sequence 0x0000 ~ 59G.OutMap overvoltage protection 0x3FFF PCS-9641 Motor Relay 3-40 Date: 2016-12-29...
  • Page 75 The time setting of the negative sequence 59Q.t_Op 0.03~100s 0.001s overvoltage protection The logic setting of the negative sequence 59Q.En overvoltage protection The output matrix setting of the negative 0x0000 ~ 59Q.OutMap sequence overvoltage protection 0x3FFF PCS-9641 Motor Relay 3-41 Date: 2016-12-29...
  • Page 76 [32R.Blk] is the binary signal for blocking the reverse power protection; “I ” is the maximum phase current; “U ” is the maximum phase-to-phase voltage; pmax “I ” is the rated phase current; “U ” is the rated phase-to-phase voltage. PCS-9641 Motor Relay 3-42 Date: 2016-12-29...
  • Page 77 Section 7.3. Menu text Explanation Range Step The power percent setting of the reverse power 32R.P_Set 5.0~1000.0W 0.001W protection 32R.t_Op The time setting of the reverse power protection 0.05~100s 0.001s PCS-9641 Motor Relay 3-43 Date: 2016-12-29...
  • Page 78 Power factor (lead) Φ Power factor (lag) Figure 3.18-1 Power factor demonstration the power factor protection The following figure shows the logic diagram of the power factor (out-of-step) protection. PCS-9641 Motor Relay 3-44 Date: 2016-12-29...
  • Page 79 Section 7.3. Menu text Explanation Range Step The lag power factor setting of the power factor 55.PF_Lag 0.05~0.99 0.01 protection The lead power factor setting of the power factor 55.PF_Lead 0.05~0.99 0.01 protection PCS-9641 Motor Relay 3-45 Date: 2016-12-29...
  • Page 80 [81Ux.f_Set] (x: 1~3) and three phase-to-phase voltages are greater than the setting [81.Upp_VCE]. Meanwhile, this protection will be blocked when the system frequency is less than “f -15.00Hz” or greater than “f +15.00Hz” for longer than 200ms (f : system rated frequency). PCS-9641 Motor Relay 3-46 Date: 2016-12-29...
  • Page 81 [81O1.f_Set] is the frequency setting of the stage 1 over-frequency protection; “t ” is the setting [81O1.t_Op], the time setting of the stage 1 over-frequency protection; [81.Upp_VCE] is the under voltage blocking setting of the frequency protection; PCS-9641 Motor Relay 3-47 Date: 2016-12-29...
  • Page 82 3.19.4 Frequency Protection Settings All the settings of the frequency protection are listed in the following table. For the information about the common explanation of the settings, see Section 7.3. PCS-9641 Motor Relay 3-48 Date: 2016-12-29...
  • Page 83 The time setting of the stage 2 over-frequency 81O2.t_Op 0~100s 0.001s protection The logic setting of the stage 2 over-frequency 81O2.En protection The output matrix setting of the stage 2 0x0000 ~ 81O2.OutMap over-frequency protection 0x3FFF PCS-9641 Motor Relay 3-49 Date: 2016-12-29...
  • Page 84 ” is the setting [MR1.t_Op], the time setting of the No.1 mechanical protection; [MR1.En] is the logic setting of the No.1 mechanical protection; [MR1.En1] is the binary signal for enabling the No.1 mechanical protection; PCS-9641 Motor Relay 3-50 Date: 2016-12-29...
  • Page 85 RTD types are PT10, PT100, PT1000 and CU50. The following figure shows the logic diagram of the No.1 RTD temperature protection. Other RTD temperature protections have the same functional logic with the No.1 RTD temperature protection. PCS-9641 Motor Relay 3-51 Date: 2016-12-29...
  • Page 86 RTD1.t_Trp 0~1000s 0.001s protection for tripping The logic setting of the No.1 RTD temperature RTD1.En_Trp protection for tripping The output matrix setting of the No.1 RTD 0x0000 ~ RTD1.OutMap temperature protection for tripping 0x3FFF PCS-9641 Motor Relay 3-52 Date: 2016-12-29...
  • Page 87 The output matrix setting of the No.4 RTD 0x0000 ~ RTD4.OutMap temperature protection for tripping 0x3FFF The temperature setting of the No.4 RTD RTD4.T_Set_Alm 0~500° C 1° C temperature protection for alarming PCS-9641 Motor Relay 3-53 Date: 2016-12-29...
  • Page 88 0~500° C 1° C temperature protection for alarming The time setting of the No.6 RTD temperature RTD6.t_Alm 0~1000s 0.001s protection for alarming The logic setting of the No.6 RTD temperature RTD6.En_Alm protection for alarming PCS-9641 Motor Relay 3-54 Date: 2016-12-29...
  • Page 89 Figure 4.2-2 Logic diagram of the protection VTS element ........... 4-3 Figure 4.2-3 Logic diagram of the general CTS element ............4-5 Figure 4.2-4 Principle of the TCS function with two binary inputs ........4-6 PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 90 4 Supervision PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 91 [Fail_SettingItem_Chgd] will be issued. The LED indicator “HEALTHY” will be off at the same time. If the settings which are from the HMI module to the main CPU module are not in accordance with PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 92 The voltage transformer supervision (VTS) feature is used to detect failure of the AC voltage input circuit of this relay. The VTS logic in the relay is designed to detect the voltage failure and automatically adjust the PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 93 [Sig_MCB_VTS] is the VT supervision input from VT’s miniature circuit breaker (MCB) auxiliary contact which shows the MCB whether is opened; “U ” is the positive sequence voltage; “U ” is the negative sequence voltage. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 94 If a CT circuit failure is detected, the alarm signals [Alm_Device] and [CTS.Alm] will be issued, and the LED indicator “ALARM” will be on at the same time. If the fast CT circuit failure is detected, the internal signal [CTS.InstAlm] will be “1” without any time delay. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 95 When the relay detects anyone of the reserved programmable alarms is trigged, the alarm signals [Alm_Device] and [Alm_SpareX] (X: a number; 01, 02 etc.) will be issued and the LED indicator “ALARM” will be on at the same time. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 96 “BTJ” is the protection tripping output contact; “TC” is the tripping coil of the circuit breaker; [B07.BI_01] is the binary input which is parallel connected with “BTJ”; [B07.BI_02] is the binary input which is serial connected with the “52b” contact. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 97 5.4 Signaling ......................5-2 5.5 Event Recording ....................5-2 5.6 Fault and Disturbance Recording ..............5-3 5.7 Setting Group Switch Function ..............5-3 List of Figures Figure 5.3-1 Demonstration diagram of the control function ..........5-2 PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 98 5 Management Function PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 99 [Ctrl.Sig_Unblock] should be “1”. The remote control commands include remote tripping command, remote closing command etc. See Chapter 10 for more information about the communication and protocols. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 100 The following event information can be recorded.  8 motor startup reports  64 latest protection operation reports  1024 latest supervision alarm records  1024 latest control operation records  1024 latest user operation records PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 101 2 will be put into service. Additionally, if the energized binary input [BI_ChgSG.in_sgx] (x: 1~4) is not energized any more, that means all the four binary inputs are not energized, the running setting group will not change. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 102 5 Management Function PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 103 Figure 6.8-1 View of the binary input module ............... 6-11 Figure 6.9-1 View of the analog output module ..............6-14 Figure 6.10-1 Wiring method of the RTD sensor ..............6-15 Figure 6.10-2 Temperature input module ................6-16 PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 104 6 Hardware PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 105 Any slot if the slot is not occupied, default is the No.7 slot. Temperature input module Must be in the No.2 slot, if it is selected. Analog output module Must be in the No.3 slot, if it is selected. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 106 NOTICE! The No.8 slot is reserved for some special demands, if the present hardware configuration can not meet the special demands. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 107 The power supply module also provides binary outputs which are used to send out some necessary binary output signals according to the relevant commands from the CPU module, and these binary outputs only can be used as tripping and closing (protection, auto-recloser or remote PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 108 The No.5 programmable tripping and closing binary output. BO_06 The No.6 programmable tripping and closing binary output. BO_07 The No.1 programmable binary signal output. The No.2 programmable binary signal output. It is BO_08 recommended to use as motor restart signal output. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 109 Basing on the timing message (from SAS or RTU) and the PPS signal, or basing on the IRIG-B signal, this module can synchronize local clock with the standard clock. There are three types of main CPU modules, and the view of the main CPU module is shown in Figure 6.5-1. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 110 SGND Pin connections on the connector of the main CPU module NR4106AB: Pin No. Sign Description SYN+ The EIA RS-485 standardized interface for time synchronization, PPS and SYN- IRIG-B signals are permitted. SGND Not used. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 111 The analog input modules NR4412 with 26 pins supports 3 voltage inputs and 11 current inputs. The view of the analog input module is shown in Figure 6.6-1. NR4412 26-pin Figure 6.6-1 View of the analog input module PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 112 According to the rated current or maximum load current of primary apparatus Rated continuous thermal current “I ”: According to the maximum load current Rated short-time thermal current “I ” and rated dynamic current “I ”: According to the maximum fault current PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 113 = k × I × I × (R + (R + 2R )) / I ’ = 2 × 40000 × 5 × (1 + (0.1 + 2 × 0.5 + 0.1)) / 2000 = 440V So, E PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 114 The No.3 programmable tripping and closing binary output. BO_04 The No.4 programmable tripping and closing binary output. BO_05 The No.5 programmable tripping and closing binary output. BO_06 The No.6 programmable tripping and closing binary output. PCS-9641 Motor Relay 6-10 Date: 2016-12-29...
  • Page 115 NR4501 NR4502 NR4503 NR4504 Figure 6.8-1 View of the binary input module A 22-pin connector is fixed on the front side of this module. The terminal definition of the connector is described as below. PCS-9641 Motor Relay 6-11 Date: 2016-12-29...
  • Page 116 BI_04+ The No.4 programmable binary input BI_04- BI_05+ The No.5 programmable binary input BI_05- BI_06+ The No.6 programmable binary input BI_06- BI_07+ The No.7 programmable binary input BI_07- BI_08+ The No.8 programmable binary input PCS-9641 Motor Relay 6-12 Date: 2016-12-29...
  • Page 117 BI_03 The No.3 programmable binary input. BI_04 The No.4 programmable binary input. BI_Opto2- The common negative connection of the BI_03 and BI_04. BI_05 The No.5 programmable binary input. BI_06 The No.6 programmable binary input. PCS-9641 Motor Relay 6-13 Date: 2016-12-29...
  • Page 118 There is one type of analog output module: NR4411A. The view of the analog output module is shown in Figure 6.9-1. NR4411 NR4411A Figure 6.9-1 View of the analog output module A 22-pin connector is fixed on the front side of this module. The terminal definition of the PCS-9641 Motor Relay 6-14 Date: 2016-12-29...
  • Page 119 2-wire type RTD sensors. The supported RTD types are PT10, PT100, PT1000 and CU50. The wring method of the RTD sensor to this module is shown as below (x: 1~6). RTDx_A RTDx_A RTDx_B RTDx_B RTDx_C RTDx_C 3-wire 2-wire Figure 6.10-1 Wiring method of the RTD sensor PCS-9641 Motor Relay 6-15 Date: 2016-12-29...
  • Page 120 RTD2_B The No.2 channel of temperature input. RTD2_C Not used Not used RTD3_A RTD3_B The No.3 channel of temperature input. RTD3_C RTD4_A RTD4_B The No.4 channel of temperature input. RTD4_C Not used Not used PCS-9641 Motor Relay 6-16 Date: 2016-12-29...
  • Page 121 6 Hardware RTD5_A RTD5_B The No.5 channel of temperature input. RTD5_C RTD6_A RTD6_B The No.6 channel of temperature input. RTD6_C PCS-9641 Motor Relay 6-17 Date: 2016-12-29...
  • Page 122 6 Hardware PCS-9641 Motor Relay 6-18 Date: 2016-12-29...
  • Page 123 7.3.17 Mechanical Protection Settings ..................7-17 7.3.18 RTD Temperature Protection Settings ................7-18 7.3.19 Supervision Element Settings ..................7-20 7.3.20 Binary Output Matrix Settings ..................7-20 7.4 Monitor and Control Settings ............... 7-21 7.4.1 Manual Control Settings ....................7-21 PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 124 7.5 Logic Link Settings ..................7-22 7.5.1 Function Link Settings ...................... 7-22 7.5.2 Spare Link Settings ......................7-22 7.6 Device Related Settings ................7-23 7.6.1 Device Settings ......................... 7-23 7.6.2 Communication Settings ....................7-24 7.7 Copy Settings ....................7-27 PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 125 Rated primary value of the zero sequence CT 0~20000A Neu.I2n Rated secondary value of the zero sequence CT 1/5A SEF.I1n Rated primary value of sensitive zero sequence CT 0~20000A SEF.I2n Rated secondary value of sensitive zero sequence CT 1/5A PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 126 When a certain setting is of no use, in case of over-elements (such as overcurrent, residual overcurrent), set the value as upper limit; in case of under-elements (such as under frequency, under voltage), set the value as lower limit; set the corresponding time as 100s and disable PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 127 All the settings of the motor startup control function are listed in the following table. Menu text Explanation Range Step MSC.t_Start The startup time setting of the motor 0~500s 0.001s PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 128 All the settings of the overcurrent protection are listed in the following table. Menu text Explanation Range Step The voltage setting of the negative sequence 50/51P.U2_VCE 2~70V 0.001V voltage blocking element (phase voltage) PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 129 The current setting of the stage 3 overcurrent 50/51P3.I_Set 0.05In~30In 0.001A protection The time setting of the stage 3 overcurrent 50/51P3.t_Op 0~100s 0.001s protection The logic setting of the voltage control element for 50/51P3.En_VCE the stage 3 overcurrent protection PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 130 The setting [50/51Px.Opt_Dir] (x: 1~4) is used to select the directional mode for the stage x (x: 1~4) overcurrent protection respectively. “0” is the non-directional mode; “1” is the forward directional mode; and “2” is the reverse directional mode. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 131 Section 3.7.2 Constant “C” for the stage 2 zero sequence IDMT 50/51G2.C 0.00~1.00 0.0001 overcurrent protection, see Section 3.7.2 Constant “α” for the stage 2 zero sequence IDMT 50/51G2.Alpha 0.01~3.00 0.0001 overcurrent protection, see Section 3.7.2 PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 132 0.001 sequence IDMT overcurrent protection The minimum operation time setting of the 50/51Q2.tmin 0~100s 0.001s negative sequence IDMT overcurrent protection Constant “k” for the negative sequence IDMT 50/51Q2.K 0.001~120.0 0.0001 overcurrent protection, see Section 3.9.2 PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 133 0.02~100s 0.001s fault protection The setting is used to select the directional mode 50/51SEF1.Opt_Dir for the stage 1 SEF protection, see Section 3.8.3 The logic setting of the stage 1 sensitive earth 50/51SEF1.En fault protection PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 134 “2” is the reverse directional mode. 7.3.8 Breaker Failure Protection Settings The breaker failure protection settings (in the submenu “BFP Settings”) are used to determine the characteristic of the breaker failure protection. PCS-9641 Motor Relay 7-10 Date: 2016-12-29...
  • Page 135 All the settings of the broken conductor protection are listed in the following table. Menu text Explanation Range Step The ratio setting for the broken conductor 50BC.I2/I1_Set 0.10~1.00 0.001 protection The time setting for the broken conductor 50BC.t_Op 0~200s 0.001s protection PCS-9641 Motor Relay 7-11 Date: 2016-12-29...
  • Page 136 All the settings of the overvoltage and undervoltage protections are listed in the following table. Menu text Explanation Range Step The setting for selecting the undervoltage 27P.Opt_1P/3P protection calculation method The setting for selecting the voltage input mode 27P.Opt_Up/Upp for the undervoltage protection PCS-9641 Motor Relay 7-12 Date: 2016-12-29...
  • Page 137 The dropout coefficient setting of the stage 2 59P2.K_DropOut 0.93~0.99 0.001 overvoltage protection The logic setting of the stage 2 overvoltage 59P2.En protection The output matrix setting of the stage 2 0x0000 ~ 59P2.OutMap overvoltage protection 0x3FFF PCS-9641 Motor Relay 7-13 Date: 2016-12-29...
  • Page 138 All the settings of the frequency protection are listed in the following table. Menu text Explanation Range Step The setting of the low voltage blocking element of 81.Upp_VCE 10~120V 0.001V the frequency protection (phase-to-phase voltage) PCS-9641 Motor Relay 7-14 Date: 2016-12-29...
  • Page 139 The output matrix setting of the stage 2 0x0000 ~ 81O2.OutMap over-frequency protection 0x3FFF frequency setting stage 81O3.f_Set 50~65Hz 0.001Hz over-frequency protection The time setting of the stage 3 over-frequency 81O3.t_Op 0~100s 0.001s protection PCS-9641 Motor Relay 7-15 Date: 2016-12-29...
  • Page 140 The voltage setting of the positive sequence 37P.U1_VCE voltage control element of the under power 5.0~20.0V 0.001V protection The current setting of the current control element 37P.I_CCE 0.1~2.0A 0.001A of the under power protection PCS-9641 Motor Relay 7-16 Date: 2016-12-29...
  • Page 141 All the settings of the mechanical protection are listed in the following table. Menu text Explanation Range Step The time setting of the No.1 mechanical MR1.t_Op 0~4000s 0.001s protection The logic setting of the No.1 mechanical MR1.En protection PCS-9641 Motor Relay 7-17 Date: 2016-12-29...
  • Page 142 RTD2.t_Trp 0~1000s 0.001s protection for tripping The logic setting of the No.2 RTD temperature RTD2.En_Trp protection for tripping The output matrix setting of the No.2 RTD 0x0000 ~ RTD2.OutMap temperature protection for tripping 0x3FFF PCS-9641 Motor Relay 7-18 Date: 2016-12-29...
  • Page 143 The output matrix setting of the No.5 RTD 0x0000 ~ RTD5.OutMap temperature protection for tripping 0x3FFF The temperature setting of the No.5 RTD RTD5.T_Set_Alm 0~500° C 1° C temperature protection for alarming PCS-9641 Motor Relay 7-19 Date: 2016-12-29...
  • Page 144 Menu text Explanation Range Step The dwell time of the output “B09.BO_03” B09.BO_03.t_Dwell 0~100s 0.001s The dwell time of the output “B09.BO_04" B09.BO_04.t_Dwell 0~100s 0.001s The dwell time of the output “B09.BO_05” B09.BO_05.t_Dwell 0~100s 0.001s PCS-9641 Motor Relay 7-20 Date: 2016-12-29...
  • Page 145 The output matrix setting of the No.2 manual 0x0000 ~ Ctrl2.OutMap_Opn tripping element 0x3FFF The output matrix setting of the No.2 manual 0x0000 ~ Ctrl2.OutMap_Cls closing element 0x3FFF The output pulse width of the No.3 manual Ctrl3.t_PW_Opn 0.1~99.0s 0.001s tripping element PCS-9641 Motor Relay 7-21 Date: 2016-12-29...
  • Page 146 7.5.2 Spare Link Settings The spare link settings (in the submenu “Spare Links”) are used for future application. It can be defined as one of above three link settings through the PCS-Explorer configuration tool. PCS-9641 Motor Relay 7-22 Date: 2016-12-29...
  • Page 147 110V 220V 125V The setting [En_DedicatedMeasmtCT] is used for selecting the source of the metering current values. If it is set as “1”, the calculation of the metering current values is based on the PCS-9641 Motor Relay 7-23 Date: 2016-12-29...
  • Page 148 The communication protocol of the serial port B 0 ~ 1 The metering value change differentiate percent Threshold_Measmt 0 ~ 100 (%) for uplink communication The time setting of circularly sending metering for Period_Measmt 0 ~ 65535s the IEC60870-5-103 protocol PCS-9641 Motor Relay 7-24 Date: 2016-12-29...
  • Page 149 19200 38400 57600 115200 The settings [Protocol_RS485A] and [Protocol_RS485B] are respectively used to set the communication protocol of each serial port (port A and port B). Setting Value Protocol Setting Value Protocol IEC60870-5-103 ModBus PCS-9641 Motor Relay 7-25 Date: 2016-12-29...
  • Page 150 GMT zone. Time zone GMT zone East 1 East 2 East 3 East 4 East 5 Setting Time zone East 6 East 7 East 8 East 9 East 10 East 11 Setting PCS-9641 Motor Relay 7-26 Date: 2016-12-29...
  • Page 151 “0”: NULL; “1” Analog Output; “2”: Analog Input. 7.7 Copy Settings The submenu “Copy Settings” (in submenu “Prot Settings”) is used to copy the active settings to another group, see Section 8.2.6.3 for more details. PCS-9641 Motor Relay 7-27 Date: 2016-12-29...
  • Page 152 7 Settings PCS-9641 Motor Relay 7-28 Date: 2016-12-29...
  • Page 153 8.3 Understand the LCD Display ................ 8-29 8.3.1 Display When Tripping ...................... 8-29 8.3.2 Display under Abnormal Condition ................... 8-32 8.4 Password Protection ..................8-34 List of Figures Figure 8.1-1 Keypad on the front panel ................... 8-2 PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 154 Figure 8.3-2 Information of alarm report on the LCD ............8-32 Figure 8.4-1 Password input interface for control operation and device setting modification ..............................8-35 Figure 8.4-2 Password input interface for modifying settings ..........8-35 PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 155 The keypad and keys on the front panel of the equipment provide convenience to the operator to view a certain data or change the device’s setting. The keypad contains nine keys, and each key has different function to the other one. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 156 When any protection element is operated. When the circuit breaker is closed. CB OPEN Steady Red When the circuit breaker is opened. When the circuit breaker is opened. CB CLOSE Steady Green When the circuit breaker is closed. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 157 The button is used to select the control mode of the circuit breaker. Press it down, the remote control mode is selected and the LED “R” is on; press it up, the local control mode is selected and the LED “L” is on. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 158 When the default screen is being shown, press key “▲” to enter the main menu of this relay. Measurements Status Records Settings Print Local Cmd Figure 8.2-2 Main menu display of this relay The following figure shows the menu tree structure of this device. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 159 Move cursor to the item “Measurements” and press key “ENT” to enter its submenu after entering the main menu of this device. Submenu structure tree: The submenu “Measurements” has following submenus. Item Description Measurements1 To display the measurement values for protection Measurements2 To display the measurement values for metering PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 160 The following tables show all the measurement values of this relay.  Protection measurement values Symbol Description Ia_Term Current value of the phase A at terminal side Ib_Term Current value of the phase B at terminal side PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 161 Angle of the phase A current at terminal side and neutral side Ang(IbT-IbN) Angle of the phase B current at terminal side and neutral side Ang(IcT-IcN) Angle of the phase C current at terminal side and neutral side PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 162 This menu is used to view the state of the binary inputs, binary outputs and supervision alarm elements of this relay. Access approach: Move cursor to the item “Status” and press key “ENT” to enter its submenu after entering the main menu of this device. Submenu structure tree: PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 163 “ENT” to enter this submenu. Press key “▲” or “▼” to view the expected binary inputs. Contact Inputs B07.BI_01 B07.BI_02 B07.BI_03 B07.BI_04 B07.BI_05 B07.BI_06 B07.BI_07 Figure 8.2-5 LCD display of the status of the general binary inputs PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 164 The binary input of the thermal accumulation counter resetting sginal BI_RstTarg The binary input of the signal resetting signal BI_Maintenance The binary input of the device maintenance signal BI_TrigDFR The binary input of the triggering oscillography signal PCS-9641 Motor Relay 8-10 Date: 2016-12-29...
  • Page 165 The status of the alarm signal “Alm_Setting_MON” Alm_Setting_MON The status of the alarm signal “Alm_Version” Alm_Version The status of the alarm signal “Alm_52b” Alm_52b The status of the alarm signal “VTS.Alm” VTS.Alm The status of the alarm signal “CTS.Alm” CTS.Alm PCS-9641 Motor Relay 8-11 Date: 2016-12-29...
  • Page 166 Press key “▲” to enter the main menu in the default displaying situation. Press key “▲” or “▼” to locate the cursor on the submenu “Records” and press key “ENT” to enter this submenu. PCS-9641 Motor Relay 8-12 Date: 2016-12-29...
  • Page 167 Superv Events NO.18 2011-02-08 18:18:18:988ms Alm_Device 0->1 VTS.Alm 0->1 Figure 8.2-7 History alarm report on LCD The first line shows the report title and the sequence number of the history alarm report, and the PCS-9641 Motor Relay 8-13 Date: 2016-12-29...
  • Page 168 Press key “▲” or “▼” to locate the cursor on the submenu “Device Logs” and press key “ENT” to enter this submenu. Press key “+” or “-” to view the expected history user operation report. PCS-9641 Motor Relay 8-14 Date: 2016-12-29...
  • Page 169 Other lines show the control information. 8.2.6 Submenu of “Settings” Purpose: The menu is used to view and modify the settings and parameters of this device. Please read Chapter 7 for the details about all the settings. Access approach: PCS-9641 Motor Relay 8-15 Date: 2016-12-29...
  • Page 170 To view and modify the settings of the CB control function Interlock Settings To view and modify the settings of the interlock function AC Calbr Settings This submenu is only reserved for the manufacturer PCS-9641 Motor Relay 8-16 Date: 2016-12-29...
  • Page 171 The selecting interface of the setting group number is shown as below. OC Settings Please Select Group for Active Group: Selected Group: Figure 8.2-11 LCD display of the selection of setting group number The setting interface of the selected setting group is shown as below. PCS-9641 Motor Relay 8-17 Date: 2016-12-29...
  • Page 172 Press key “▲” or “▼” to locate the cursor on the submenu “Prot Settings” and press key “ENT” to enter this submenu. Press key “▲” or “▼” to locate the cursor on the submenu “Copy Settings” and press key “ENT” to enter the interface for copying settings. PCS-9641 Motor Relay 8-18 Date: 2016-12-29...
  • Page 173 The submenu “Print” has following submenus. Item Description Device Info To print the device description information Settings To print the settings of this device Disturb Records To print the fault reports Superv Events To print the supervision alarm records PCS-9641 Motor Relay 8-19 Date: 2016-12-29...
  • Page 174 Press key “▲” to enter the main menu in the default displaying situation. Press key “▲” or “▼” to locate the cursor on the submenu “Print” and press key “ENT” to enter this submenu. PCS-9641 Motor Relay 8-20 Date: 2016-12-29...
  • Page 175 Press key “▲” to enter the main menu in the default displaying situation. Press key “▲” or “▼” to locate the cursor on the submenu “Local Cmd” and press key “ENT” to enter this submenu. PCS-9641 Motor Relay 8-21 Date: 2016-12-29...
  • Page 176 Press key “ENT” to enter control check condition selection interface, and then press key “▲” or “▼” to select a control check condition. Press key “ENT” to enter control interlock selection interface, and then press key “▲” or “▼” PCS-9641 Motor Relay 8-22 Date: 2016-12-29...
  • Page 177 The No.3 remote control output Ctrl4 The No.4 remote control output Ctrl5 The No.5 remote control output Select the control operation open(Lower) Open a circuit breaker or disconnector close(Raise) Close a circuit breaker or disconnector PCS-9641 Motor Relay 8-23 Date: 2016-12-29...
  • Page 178 “ENT” to show the program version information. Press key “▲” or “▼” to show all the version information of the main program and the HMI program. The software version information interface is shown as below. PCS-9641 Motor Relay 8-24 Date: 2016-12-29...
  • Page 179 In normal operation situation, the module configuration state should be same with the module operation state. 8.2.10 Submenu of “Test” Purpose: PCS-9641 Motor Relay 8-25 Date: 2016-12-29...
  • Page 180 Press key “▲” to enter the main menu in the default displaying situation. Press key “▲” or “▼” to locate the cursor on the submenu “Test” and press key “ENT” to enter this submenu. PCS-9641 Motor Relay 8-26 Date: 2016-12-29...
  • Page 181 Set the current time of this relay as following steps. Operating steps: Press key “▲” to enter the main menu in the default displaying situation. Press key “▲” or “▼” to locate the cursor on the submenu “Clock” and press key “ENT” to PCS-9641 Motor Relay 8-27 Date: 2016-12-29...
  • Page 182 Press key “▲” or “▼” to select the expected display language. After finishing the language modification, press key “ENT” to confirm the modification. The language modification interface is shown as below. Please Select Language: Chinese 2. English Figure 8.2-20 Language modification interface PCS-9641 Motor Relay 8-28 Date: 2016-12-29...
  • Page 183 The percentage differential protection operates. 87M.St_MagDiff The magnetic balance differential protection picks up. 87M.Op_MagDiff The magnetic balance differential protection operates. 50/51P1.St The stage 1 overcurrent protection picks up. 50/51P1.Op The stage 1 overcurrent protection operates. PCS-9641 Motor Relay 8-29 Date: 2016-12-29...
  • Page 184 The stage 2 undervoltage protection operates. 59P1.St The stage 1 overvoltage protection picks up. 59P1.Op The stage 1 overvoltage protection operates. 59P2.St The stage 2 overvoltage protection picks up. 59P2.Op The stage 2 overvoltage protection operates. PCS-9641 Motor Relay 8-30 Date: 2016-12-29...
  • Page 185 The No.4 RTD temperature protection operates. RTD5.St The No.5 RTD temperature protection picks up. RTD5.Op The No.5 RTD temperature protection operates. RTD6.St The No.6 RTD temperature protection picks up. RTD6.Op The No.6 RTD temperature protection operates. PCS-9641 Motor Relay 8-31 Date: 2016-12-29...
  • Page 186 It means that this relay does not detect any alarm situation. The default display then appears on LCD and LED “ALARM” is off. The LED “ALARM” will not be on if either of the alarm signals [Fail_Device] and [Fail_Setting] is issued. PCS-9641 Motor Relay 8-32 Date: 2016-12-29...
  • Page 187 “Confirm Settings” (under submenu “Settings”) to confirm it. Alm_Device Please ensure whether anyone of the software supervision alarm occurs. Alm_Setting_MON Please inform the manufacturer to deal with it. Alm_Version Please inform the manufacturer to deal with it. PCS-9641 Motor Relay 8-33 Date: 2016-12-29...
  • Page 188 If this device is blocked or alarm signal is issued during operation, do please find out its reason by help of the history reports. If the reason can not be found on site, please inform the manufacturer NR Electric Co., Ltd. 8.4 Password Protection For the safety purpose, this device provides password security function for modifying the settings and doing a control operation.
  • Page 189 The password for modifying settings (except the device settings) is fixed, and it is press key “+”, “◄”, “▲” and “-” in sequence. The following figure shows the password input interface for modifying settings. Password: ---- Figure 8.4-2 Password input interface for modifying settings PCS-9641 Motor Relay 8-35 Date: 2016-12-29...
  • Page 190 8 Human Machine Interface PCS-9641 Motor Relay 8-36 Date: 2016-12-29...
  • Page 191 9.3.1 Configurable Input Signals ....................9-2 9.3.2 Configurable Output Signals ....................9-5 9.3.3 Configurable LED Indicators ....................9-9 9.3.4 Configurable Binary Inputs ....................9-10 9.3.5 Configurable Binary Outputs ..................... 9-10 9.3.6 Configurable Analog Outputs .................... 9-11 PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 192 9 Configurable Function PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 193 Analysis of waveform (off-line & on-line function)  File downloading/uploading (on-line function) For more details about how to do a logic graph configuration, see the PCS-Explorer online help brochure or the instruction manual of PCS-Explorer configuration tool auxiliary software. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 194 The binary signal for blocking the stage 5 overcurrent protection The binary signal for enabling the stage 1 negative sequence 50/51Q1.En1 overcurrent protection The binary signal for blocking the stage 1 negative sequence 50/51Q1.Blk overcurrent protection PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 195 The binary signal for blocking the thermal overload protection 59P1.En1 The binary signal for enabling the stage 1 overvoltage protection 59P1.Blk The binary signal for blocking the stage 1 overvoltage protection 59P2.En1 The binary signal for enabling the stage 2 overvoltage protection PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 196 The binary signal for enabling the No.1 RTD protection RTD1.Blk The binary signal for blocking the No.1 RTD protection RTD2.En1 The binary signal for enabling the No.2 RTD protection RTD2.Blk The binary signal for blocking the No.2 RTD protection PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 197 The binary signal for switching to the No.3 setting group BI_ChgSGin_sg4 The binary signal for switching to the No.4 setting group 9.3.2 Configurable Output Signals All the configurable output signals of this relay are listed in following table. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 198 The undercurrent protection operates. 50BF.St The breaker failure protection picks up. 50BF.ReTrp The breaker failure protection re-trip operates. 50BF.Op The breaker failure protection operates. 50BC.St The broken conductor protection picks up. 50BC.Op The broken conductor protection operates. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 199 The No.2 mechanical protection operates. MR3.St The No.3 mechanical protection picks up. MR3.Op The No.3 mechanical protection operates. MR4.St The No.4 mechanical protection picks up. MR4.Op The No.4 mechanical protection operates. MR5.St The No.5 mechanical protection picks up. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 200 The differential current is abnormal with a time delay. The signal “87M.CTS.InstAlm” or “CTS.InstAlm” is issued. Alm_CTS The signal “87M.CTS.Alm” or “CTS.Alm” is issued. Alm_CTS_Diff VTS.InstAlm The fast voltage transformer supervision is issued. CTS.InstAlm The fast current transformer supervision is issued. PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 201 The No.16 LED, it is configurable. Alm_Maintenance LED_17 The No.17 LED, it is configurable. Alm_Maintenance LED_18 The No.18 LED, it is configurable. Alm_Maintenance LED_19 The No.19 LED, it is configurable. Alm_Maintenance LED_20 The No.20 LED, it is configurable. Alm_Maintenance PCS-9641 Motor Relay Date: 2016-12-29...
  • Page 202 Other configurable binary outputs which are not listed in above table only can be configured through the setting [XXXX.OutMap] (“XXXX” is the abbreviation of a protective element, such as 50/51P1, 50/51G1, 59P1 etc.) of each function element. For more details about these settings, please see Chapter 7. PCS-9641 Motor Relay 9-10 Date: 2016-12-29...
  • Page 203 The No.1 programmable binary output of the module NR4411 B03.DCAO_02 The No.2 programmable binary output of the module NR4411 B03.DCAO_03 The No.3 programmable binary output of the module NR4411 B03.DCAO_04 The No.4 programmable binary output of the module NR4411 PCS-9641 Motor Relay 9-11 Date: 2016-12-29...
  • Page 204 9 Configurable Function PCS-9641 Motor Relay 9-12 Date: 2016-12-29...
  • Page 205 10.4.1 Overview ......................... 10-7 10.4.2 Communication Profiles ....................10-8 10.4.3 MMS Communication Network Deployment ..............10-9 10.4.4 Server Data Organization ..................... 10-12 10.4.5 Server Features and Configuration ................10-15 10.4.6 ACSI Conformance ....................... 10-17 PCS-9641 Motor Relay 10-a Date: 2016-12-29...
  • Page 206 Figure 10.4-1 Dual-net full duplex mode sharing the RCB block instance ....... 10-10 Figure 10.4-2 Dual-net hot-standby mode sharing the same RCB instance ..... 10-10 Figure 10.4-3 Dual-net full duplex mode with 2 independent RCB instances ....10-11 PCS-9641 Motor Relay 10-b Date: 2016-12-29...
  • Page 207 However, this product does not provide such a facility, so if it is located at the bus terminus then an external termination resistor will be required. PCS-9641 Motor Relay 10-1 Date: 2016-12-29...
  • Page 208 (optionally) be able to provide the bus bias, in which case external components will not be required. NOTICE! It is extremely important that the 120Ω termination resistors are fitted. Failure to do so PCS-9641 Motor Relay 10-2 Date: 2016-12-29...
  • Page 209 3 and section 4 of the IP address. 10.2.2.2 Ethernet Standardized Communication Cable It is recommended to use 4-pair screened twisted category 5E cable as the communication cable. A picture is shown below. Figure 10.2-3 Ethernet communication cable PCS-9641 Motor Relay 10-3 Date: 2016-12-29...
  • Page 210 The ModBus protocol (over EIA RS-485 or Ethernet) is a master/slaver communication protocol, and this device is severed as a slaver in this system. The detailed information about the Modbus protocol, see the “Modbus Protocol Reference Guide (PI-MBUS-300 Rev.J)”. PCS-9641 Motor Relay 10-4 Date: 2016-12-29...
  • Page 211 IRIG-B synchronized internal clock. 10.3.4 Spontaneous Events The spontaneous events are categorized using the following information: type identification (TYP), function type (FUN) and information number (INF). This relay can support ASDU 1, ASDU 2, PCS-9641 Motor Relay 10-5 Date: 2016-12-29...
  • Page 212 ASDU data with the control direction message in the next communication turn. 10.3.8 Generic Functions The generic functions can be used to read the setting and protection measurement of this relay, PCS-9641 Motor Relay 10-6 Date: 2016-12-29...
  • Page 213 The IEC61850 is a series of standards describing client/server and peer-to-peer communications, substation design and configuration, testing, environmental and project standards. The complete set includes: PCS-9641 Motor Relay 10-7 Date: 2016-12-29...
  • Page 214 Actual IEC61850-7-2 abstract services and objects are mapped to MMS protocol services in IEC61850-8-1. Client/server This is a connection-oriented type of communication. The connection is initiated by the client, and communication activity is controlled by the client. IEC61850 clients are often substation computers PCS-9641 Motor Relay 10-8 Date: 2016-12-29...
  • Page 215 RCB instance (i.e.: “RptEna” in above figure) is still “true”. Only when both Net A and Net B are disconnected, the flag of the RCB instance will automatically change to “false”. PCS-9641 Motor Relay 10-9 Date: 2016-12-29...
  • Page 216 RptEna = true Report Control Block Report Control Block IED (Server) IED (Server) Normal operation status Abnormal operation status TCP Link MMS Link Standby MMS Link Figure 10.4-2 Dual-net hot-standby mode sharing the same RCB instance PCS-9641 Motor Relay 10-10 Date: 2016-12-29...
  • Page 217 In this mode, 2 report instances are required for each client. Therefore, the IED may be unable to provide enough report instances if there are too many clients. PCS-9641 Motor Relay 10-11 Date: 2016-12-29...
  • Page 218 MMTR, the others in MMXN, MSQI and so on. Each MMXU logical node provides data from an IED current/voltage “source”. There is one MMXU available for each configurable source. MMXU1 provides data from CT/VT source 1 (usually for protection purpose), and MMXU2 PCS-9641 Motor Relay 10-12 Date: 2016-12-29...
  • Page 219 “PTRC.ST.Str.general” in a PCS-9600 series relay. The operate flag for PTOC1 is “PTOC1.ST.Op.general”. For the PCS-9600 series relay protection elements, these flags take their values from related module for the corresponding element. Similar to digital status values, the PCS-9641 Motor Relay 10-13 Date: 2016-12-29...
  • Page 220 “off”. XCBR1.ST.BlkOpn: This is the state of the block open command logic. When true, breaker open commands from IEC61850 clients will be rejected. PCS-9641 Motor Relay 10-14 Date: 2016-12-29...
  • Page 221 MMS file services are supported to allow transfer of oscillography, event record or other files from a PCS-9600 series relay. 10.4.5.3 Timestamps The universal time coordinated (UTC) timestamp values associated with all IEC61850 data items PCS-9641 Motor Relay 10-15 Date: 2016-12-29...
  • Page 222 The general steps required for transmission configuration are: Configure the data. Configure the transmission dataset. Configure the GOOSE service settings. The general steps required for reception configuration are: Configure the data. Configure the reception dataset. Configure the GOOSE service settings. PCS-9641 Motor Relay 10-16 Date: 2016-12-29...
  • Page 223 10.4.6.2 ACSI Models Conformance Statement Services Client Server PCS-9600 Series Logical device Logical node Data Data set Substitution Setting group control Reporting Buffered report control M7-1 sequence-number report-time-stamp M7-2 reason-for-inclusion M7-3 M7-4 data-set-name M7-5 data-reference PCS-9641 Motor Relay 10-17 Date: 2016-12-29...
  • Page 224 C5: Shall be “M” if support for Report, GSE, or SMV models has been declared M: Mandatory Y: Supported by PCS-9600 series relays N: Currently not supported by PCS-9600 series relays 10.4.6.3 ACSI Services Conformance Statement Services Server/Publisher PCS-9600 Series Server ServerDirectory Application association Associate Abort Release PCS-9641 Motor Relay 10-18 Date: 2016-12-29...
  • Page 225 GetSGValues GetSGCBValues Reporting Buffered report control block Report S24-1 data-change S24-2 qchg-change S24-3 data-update GetBRCBValues SetBRCBValues Unbuffered report control block Report S27-1 data-change S27-2 qchg-change S27-3 data-update GetURCBValues SetURCBValues Logging Log control block GetLCBValues PCS-9641 Motor Relay 10-19 Date: 2016-12-29...
  • Page 226 C7: Shall declare support for at least one (QueryLogByTime or QueryLogAfter) C8: Shall declare support for at least one (SendGOOSEMessage or SendGSSEMessage) C9: Shall declare support if TP association is available C10: Shall declare support for at least one (SendMSVMessage or SendUSVMessage) PCS-9641 Motor Relay 10-20 Date: 2016-12-29...
  • Page 227 － PUPF: Underpower factor PTUF: Underfrequency － PVOC: Voltage controlled time overcurrent － PVPH: Volts per Hz － PZSU: Zero speed or underspeed R: Logical Nodes For Protection Related Functions RDRE: Disturbance recorder function PCS-9641 Motor Relay 10-21 Date: 2016-12-29...
  • Page 228 S: Logical Nodes For Sensors And Monitoring － SARC: Monitoring and diagnostics for arcs － SIMG: Insulation medium supervision (gas) － SIML: Insulation medium supervision (liquid) － SPDC: Monitoring and diagnostics for partial discharges PCS-9641 Motor Relay 10-22 Date: 2016-12-29...
  • Page 229 10.5.2 Link Layer Functions Please see the DNP3.0 protocol standard for the details about the linker layer functions. 10.5.3 Transport Functions Please see the DNP3.0 protocol standard for the details about the transport functions. PCS-9641 Motor Relay 10-23 Date: 2016-12-29...
  • Page 230 0x01 0x02 Slave Variation 0x02 0x01 0x02 The protection operation signals, alarm signals and binary input state change signals are transported respectively according to the variation sequence in above table.  Object 2, SOE PCS-9641 Motor Relay 10-24 Date: 2016-12-29...
  • Page 231 0x04 is for the remote control with execution. The selection operation must be executed before the execution operation, and the single point control object can be supported to this relay. PCS-9641 Motor Relay 10-25 Date: 2016-12-29...
  • Page 232 10 Communication Master Qualifier 0x17 0x27 0x18 0x28 0x17 0x27 0x18 0x28 Slave Qualifier The “Object 12” is for the remote control functions. Master Variation 0x01 0x01: closing Control Code 0x01 0x10: tripping Slave Variation PCS-9641 Motor Relay 10-26 Date: 2016-12-29...
  • Page 233 Figure 11.7-4 Glancing demo about the wiring for electrical cables ........11-7 Figure 11.8-1 Control panel (button, switch and link) of the cubicle ........11-7 Figure 11.8-2 Typical wiring diagram of this relay ..............11-8 PCS-9641 Motor Relay 11-a Date: 2016-12-29...
  • Page 234 11 Installation PCS-9641 Motor Relay 11-b Date: 2016-12-29...
  • Page 235 The basic precautions to guard against electrostatic discharge are as follows:  Should boards have to be removed from this relay installed in a grounded cubicle in an HV PCS-9641 Motor Relay 11-1 Date: 2016-12-29...
  • Page 236 Since every piece of technical equipment can be damaged or destroyed by inadmissible ambient conditions, such as: The location should not be exposed to excessive air pollution (dust, aggressive substances). Severe vibration, extreme changes of temperature, high levels of humidity, surge voltages of PCS-9641 Motor Relay 11-2 Date: 2016-12-29...
  • Page 237 As mentioned in Chapter 6, up to eight modules are installed in the enclosure of this relay, and these modules must be plugged into the proper slots of this relay respectively. The safety PCS-9641 Motor Relay 11-3 Date: 2016-12-29...
  • Page 238 Metal accessories such as side plates, blanking plates etc., must be effectively connected surface-to-surface to the grounded frame to ensure a low-impedance path to ground for RF PCS-9641 Motor Relay 11-4 Date: 2016-12-29...
  • Page 239 There are some ground terminals on some connectors of this relay, and the sign is “GND”. All the ground terminals are connected in the cabinet of this relay. So, the ground terminal on the rear panel (see Figure 11.7-2) is the only ground terminal of this device. PCS-9641 Motor Relay 11-5 Date: 2016-12-29...
  • Page 240 AC voltage inputs: brained copper cable, 1.0mm ~ 2.5mm  AC current inputs: brained copper cable, 1.5mm ~ 4.0mm . If the 4.0mm lead is selected, only the dedicated terminal cable lug provided by NR can be adopted. PCS-9641 Motor Relay 11-6 Date: 2016-12-29...
  • Page 241 Remote Tripping Tripping Closing Close Trip Figure 11.8-1 Control panel (button, switch and link) of the cubicle The typical wiring of this relay is shown as below, all the configurable binary inputs and binary PCS-9641 Motor Relay 11-7 Date: 2016-12-29...
  • Page 242 RTD3_B BO_04 RTD3_C BO_06 RTD4_A BO_05 RTD4_B BO_07 RTD4_C BO_06 BO_08 BO_07 RTD5_A BO_09 RTD5_B BO_08 RTD5_C BO_10 PSW+ RTD6_A Power Supply PSW- RTD6_B BO_11 RTD6_C Figure 11.8-2 Typical wiring diagram of this relay PCS-9641 Motor Relay 11-8 Date: 2016-12-29...
  • Page 243 12.4 Setting Familiarization ................12-2 12.5 Product Checks ................... 12-3 12.5.1 With the Relay De-energized ..................12-4 12.5.2 With the Relay Energized ....................12-5 12.5.3 Protective Function Test ....................12-8 12.5.4 On-load Checks ......................12-21 PCS-9641 Motor Relay 12-a Date: 2016-12-29...
  • Page 244 12 Commissioning PCS-9641 Motor Relay 12-b Date: 2016-12-29...
  • Page 245 The limit values stated in the technical data (Chapter 2) must not be exceeded at all, not even during testing and commissioning.  When testing the device with secondary test equipment, make sure that no other measurement quantities are connected. Take also into consideration that the trip circuits and PCS-9641 Motor Relay 12-1 Date: 2016-12-29...
  • Page 246 Refer to the PC software user manual for details. If the software is being used for the first time, allow sufficient time PCS-9641 Motor Relay 12-2...
  • Page 247 Metering and recording test  Conjunctive tests The tests are performed after the relay is connected with the primary equipment and other external equipment.  On load test.  Phase sequence check and polarity check. PCS-9641 Motor Relay 12-3 Date: 2016-12-29...
  • Page 248 Isolate all wiring from the earth and test the isolation with an electronic or brushless insulation tester at a DC voltage not exceeding 500V, The circuits need to be tested should include:  Voltage transformer circuits  Current transformer circuits PCS-9641 Motor Relay 12-4 Date: 2016-12-29...
  • Page 249 The trip circuit should also remain isolated to prevent accidental operation of the associated circuit breaker. 12.5.2.1 Front Panel LCD Display The liquid crystal display (LCD) is designed to operate in a wide range of substation ambient PCS-9641 Motor Relay 12-5 Date: 2016-12-29...
  • Page 250 LED will be on. 12.5.2.6 Test the AC Current Inputs This test verifies that the accuracy of current measurement is within the acceptable tolerances. Apply current equal to the current transformer secondary winding rating to each current PCS-9641 Motor Relay 12-6 Date: 2016-12-29...
  • Page 251 Ensure that the voltage applied on the binary input must be within the operating range. The status of each binary input can be viewed using the submenu “Contact Inputs” and “Prot Inputs”. Binary inputs testing checkout BI Name State without energized State with energized Correct? PCS-9641 Motor Relay 12-7 Date: 2016-12-29...
  • Page 252 This check, performed the instantaneous current differential protection function in No.1 setting group, demonstrates that the relay is operating correctly at the application-specific settings. Enable the instantaneous current differential protection.  Set the logic setting [87M.En_Inst] as “1” in the submenu “Diff Settings”. PCS-9641 Motor Relay 12-8 Date: 2016-12-29...
  • Page 253 Restore the “TRIP” indicator and the LCD manually. 12.5.3.4 Magnetic Balance Differential Protection Check This check, performed the magnetic balance differential protection function in No.1 setting group, demonstrates that the relay is operating correctly at the application-specific settings. PCS-9641 Motor Relay 12-9 Date: 2016-12-29...
  • Page 254 The “TRIP” LED indicator will be on; a relevant report will be shown on the LCD. After the fault is disappeared, this relay will restore the stage 1 overcurrent protection automatically. Restore the “TRIP” indicator and the LCD manually. PCS-9641 Motor Relay 12-10 Date: 2016-12-29...
  • Page 255 Simulate a normal condition, the external input current of the zero sequence CT is less than 0.95 × [50/51G1.3I0_Set]. Simulate a single-phase earth fault, the external input current of the zero sequence CT is PCS-9641 Motor Relay 12-11 Date: 2016-12-29...
  • Page 256 Set the logic setting [50/51Q1.En] as “1” in the submenu “NegOC Settings”.  Set the setting [50/51Q1.OutMap] as “0x0001” in the submenu “NegOC Settings”.  Set other logic settings as “0” in the submenu “NegOC Settings”. PCS-9641 Motor Relay 12-12 Date: 2016-12-29...
  • Page 257 Set the logic setting [50BC.En] as “1” in the submenu “BrknCond Settings”.  Set the setting [50BC.OutMap] as “0x0001” in the submenu “BrknCond Settings”.  Set other logic settings as “0” in the submenu “BrknCond Settings”. PCS-9641 Motor Relay 12-13 Date: 2016-12-29...
  • Page 258 [50BF.t_Op], the breaker failure protection will operate and issue the trip command. The “TRIP” LED indicator will be on; a relevant report will be shown on the LCD. PCS-9641 Motor Relay 12-14 Date: 2016-12-29...
  • Page 259 After the period of [27P1.t_Op], the stage 1 undervoltage protection will operate and issue the trip command. The “TRIP” LED indicator will be on; a relevant report will be shown on the LCD. After the fault is disappeared, this relay will restore the stage 1 undervoltage protection PCS-9641 Motor Relay 12-15 Date: 2016-12-29...
  • Page 260 [59Q.U2_Set]. After the period of [59Q.t_Op], the negative sequence overvoltage protection will operate and issue the trip command. The “TRIP” LED indicator will be on; a relevant report will be shown on the LCD. PCS-9641 Motor Relay 12-16 Date: 2016-12-29...
  • Page 261 The “TRIP” LED indicator will be on; a relevant report will be shown on the LCD. After the fault is disappeared, this relay will restore the stage 1 under-frequency protection automatically. Restore the “TRIP” indicator and the LCD manually. PCS-9641 Motor Relay 12-17 Date: 2016-12-29...
  • Page 262 The “TRIP” LED indicator will be on; a relevant report will be shown on the LCD. After the motor load loss is disappeared, this relay will restore the under power protection automatically. Restore the “TRIP” indicator and the LCD manually. PCS-9641 Motor Relay 12-18 Date: 2016-12-29...
  • Page 263 The “TRIP” LED indicator will be on; a relevant report will be shown on the LCD. After the motor is running normally again, this relay will restore the power factor protection automatically. Restore the “TRIP” indicator and the LCD manually. PCS-9641 Motor Relay 12-19 Date: 2016-12-29...
  • Page 264 The “TRIP” LED indicator will be on; a relevant report will be shown on the LCD. After the over-temperature condition is disappeared, this relay will restore the No.1 RTD temperature protection automatically. Restore the “TRIP” indicator and the LCD manually. PCS-9641 Motor Relay 12-20 Date: 2016-12-29...
  • Page 265 Ensure that all event records, fault records, disturbance records and alarms have been cleared and LED’s has been reset before leaving the protection. PCS-9641 Motor Relay 12-21 Date: 2016-12-29...
  • Page 266 12 Commissioning PCS-9641 Motor Relay 12-22 Date: 2016-12-29...
  • Page 267 13 Maintenance 13 Maintenance Table of Contents 13.1 Maintenance Schedule ................13-1 13.2 Regular Testing .................... 13-1 13.3 Failure Tracing and Repair ................13-1 13.4 Replace Failed Modules ................13-1 PCS-9641 Motor Relay 13-a Date: 2016-12-29...
  • Page 268 13 Maintenance PCS-9641 Motor Relay 13-b Date: 2016-12-29...
  • Page 269 Repair at the site should be limited to module replacement. Maintenance at the component level is not recommended. Check that the replacement module has an identical module name and hardware type-form as the PCS-9641 Motor Relay 13-1 Date: 2016-12-29...
  • Page 270 When handling a module, take anti-static measures such as wearing an earthed wrist band and placing modules on an earthed conductive mat. Otherwise, many of the electronic components could suffer damage. After replacing the main CPU module, check the settings. PCS-9641 Motor Relay 13-2 Date: 2016-12-29...
  • Page 271 14 Decommissioning and Disposal 14 Decommissioning and Disposal Table of Contents 14.1 Decommissioning ..................14-1 14.1.1 Switching off ........................14-1 14.1.2 Disconnecting cables ...................... 14-1 14.1.3 Dismantling ........................14-1 14.2 Disposal ......................14-1 PCS-9641 Motor Relay 14-a Date: 2016-12-29...
  • Page 272 14 Decommissioning and Disposal PCS-9641 Motor Relay 14-b Date: 2016-12-29...
  • Page 273 14.2 Disposal In every country there are companies specialized in the proper disposal of electronic waste. NOTICE! Strictly observe all local and national regulations when disposing of the device. PCS-9641 Motor Relay 14-1 Date: 2016-12-29...
  • Page 274 14 Decommissioning and Disposal PCS-9641 Motor Relay 14-2 Date: 2016-12-29...
  • Page 275 Update the dimensions of this device in Section 11.6. 2.00 Update the theory description of the current differential 1.01 1.02 2.01 2016-12-29 protection in Section 3.4.2. 2.02 Update the setting ranges in Chapter 3 and Chapter 7. PCS-9641 Motor Relay 15-1 Date: 2016-12-29...
  • Page 276 15 Manual Version History PCS-9641 Motor Relay 15-2 Date: 2016-12-29...