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Delta Electronics MVF2000 Series Product Manual

Medium voltage drive
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Delta MVF2000
Medium Voltage Drive
Product Manual
Version: Rev00
English
Release Date: 2021-12
Scope：MVF20 Series
MVF23 Series
Delta Electronics

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Summary of Contents for Delta Electronics MVF2000 Series

  • Page 1 Delta MVF2000 Medium Voltage Drive Product Manual Version: Rev00 English Release Date: 2021-12 Scope：MVF20 Series MVF23 Series Delta Electronics...
  • Page 3 Preface The MVF2000, medium voltage drive (MVD), is a high voltage electric equipment for motor control featuring high product integration, easy and convenient operation, and excellent performance in a wide range of applications. This manual provides the guidelines for installation, commissioning, operation, fault diagnosis and routine maintenance for the MVF2000 medium voltage drive.
  • Page 4 Warning!  Operation by non-professional personnel is prohibited.  When testing the motor or the motor cable individually, the wires between the motor and the MVD shall be disconnected.  Do not touch the internal control PCB boards of the MVD before taking electrostatic prevention measures.

  • Page 5: Table Of Contents

    Contents PREFACE ................................1 CONTENTS ................................1 I.GENERAL ................................3 1-1 P ......................... 3 RODUCT CHARACTERISTICS 1-2 M ............................. 4 AJOR PPLICATION 1-3 T ..........................4 ECHNICAL PARAMETERS 1-4 M ............................. 6 ODEL DESCRIPTION 1-5 S ..............................6 TANDARDS II. SYSTEM HARDWARE AND ITS PRINCIPLES ..................12 2-1 S ............................
  • Page 6 6-6-2 External dimension ........................87 6-6-3 Cabinet ready in position ......................87 6-6-4 Cabinet attachment ........................87 6-6-5 Anchoring Cabinets to Foundation ..................89 6-6-6 Power Cable and Control Cable Entry ................... 89 6-6-7 Protective Grounding Connection ................... 91 6-6-8 Power cell installation ........................ 92 VII.

  • Page 7: I.general

    1-1 Product characteristics The Delta MVF2000 medium voltage drive is a high voltage alternating current speed regulating device developed and produced by Delta Electronics. The product features comprise of excellent performance, easy and convenient operation and a wide range of applications using IGBT power devices and complete digital control.

  • Page 8: Major Application

    All PCBs are coated to avoid problems with pollution and corrosive environment. 1-2 Major Application The MVF2000 series is applied for speed control of square torque loads such as fans, pumps, and compressors, as well as for mills, crushers, and conveyor belts that require constant torque operation over the entire speed range.
  • Page 9 MVF2000 5%~100% (without speed sensor) Speed control ±0.1% (with speed sensor, depending on sensor accuracy), ± resolution (steady 0.5% (without speed sensor) state) Speed response 60rad/s (with speed sensor), 20rad/s (without speed sensor) bandwidth Current response 600rad/s bandwidth Control method Vector control with and without encoder (speed sensor) PID function Built-in PID regulator with configurable parameters...

  • Page 10: Model Description

    MVF2000 Analog output 0~10V/4~20mA, 4 channels Digital input / output 20 digital inputs, 10 digital outputs Human-machine English / Chinese touch-screen LCD display interface Target speed, output speed, input & output currents and Display parameters operation status indication Communication Standard: Modbus RTU, Ethernet IP interface Communication MODBUS...
  • Page 11 Standard No. Standard Name electrical assembly devices GB/T 3797-2005 Electrical control assemblies Semiconductor convertors - Specification of basic GB/T 3859.1-93 requirements GB/T 3859.2-93 Semiconductor convertors - Application guide GB/T 3859.3-93 Semiconductor convertors - Transformers and reactors Degrees of protection provided by enclosures (IP GB 4208-2008 code) Sectional specification: Single and double sided...
  • Page 12 Standard No. Standard Name Semiconductor converters - General requirements and IEC 60146-1-2:2011 line commutated converters - Part 1-2: Application guide Semiconductor convertors – General requirements and line commutated convertors – Part 1-3: Transformers IEC 60146-1-3:1991 and reactors Semiconductor converters - Part 2: Self-commutated IEC 60146-2:1999 semiconductor converters including direct d.c.
  • Page 13 Standard No. Standard Name Converter transformers – Part 3: Application guide IEC 61378-3:2015 General Requirements for Dry-Type Distribution and C57.12.01-2015 Power Transformers Test Procedure for Thermal Evaluation of Insulation Systems Dry-Type Power Distribution C57.12.60-2009 Transformers, Including Open-Wound, Solid-Cast, and Resin-Encapsulated Transformers IEEE Standard Test Code for Dry-Type Distribution C57.12.91-2011 and Power Transformers...
  • Page 14 Standard No. Standard Name disturbances, induced by radio-frequency fields (Immunity only) Electromagnetic compatibility (EMC) – Part 4-7: Testing and measurement techniques – General guide IEC 61000-4-7:2002+AMD1:2008 CSV on harmonics and inter-harmonics measurements and instrumentation, for power supply systems and equipment connected thereto Electromagnetic compatibility (EMC).
  • Page 15 Standard No. Standard Name Used With Adjustable-Voltage or Adjustable-Frequency Controls or Both...

  • Page 16: System Hardware And Its Principles

    II. System hardware and its principles 2-1 System hardware The MVF2000 medium voltage drive consists of a controller cabinet(compartment), power cell cabinet(compartment), transformer cabinet(compartment) junction cabinet(compartment). Other cabinets can be configured in accordance with the customers’ requirements in the actual application, please refer to the Annex C. for details about optional cabinets.
  • Page 17 Controller Power cell cabinet cabinet Junction Transformer cabinet cabinet Fig. 2-1-b All in one System structure diagram...
  • Page 18 2-1-1 Controller cabinet (compartment) The controller cabinet(compartment) is mainly used to lay out the main control system, PLC, HMI, battery and other accessories. Its internal structure diagram is as shown in Fig. 2-2. Control rack Airflow pressure switch Terminal block Power Box Isolation transformer Fig.

  • Page 19: Power Cell Cabinet (Compartment)

    2-1-2 Power cell cabinet (compartment) The power cell cabinet(compartment) is mainly used to lay out the power cell and its accessories, and its internal structure diagram is as shown in Fig. 2-4. Cooling fan Output current Hall sensor Power cell Fig.

  • Page 20: Transformer Cabinet (Compartment)

    Output Terminal Heatsink Handle RS—Optical fiber (receive） TS—Optical fiber (transmit) COM—Communication fail indicator DRV—Drive fault indicator UV—Under voltage indicator TMP—Over temperature indicator Fuse PWR—Power indicator OV—Over voltage indicator Input Terminal CDL—50V dc link voltage indicator Fig. 2-5 Appearance view of the power cell (215A) The model of the power cell is defined as follows: Rev code: Different revision according to customer request...
  • Page 21 Cooling fan Phase-shift transformer Input current Hall sensor Fig. 2-7-a Internal diagram of the transformer cabinet (In-line) Input current Phase-shift Hall sensor transformer Fig. 2-7-b Internal diagram of the transformer cabinet (All in one) The transformer is integrated with the cabinet base through screws for the convenience of transportation and installation.

  • Page 22: Junction Cabinet(Compartment)

    2-1-4 Junction cabinet(compartment) The junction cabinet(compartment) is used for field cable connection, and its internal structure diagram is as shown in chapter 6-6-6. 2-1-5 Switch and indicator on the cabinet door 1. Description of the switch and indicator of the controller cabinet Fig.

  • Page 23: Principles

    2-2 Principles 2-2-1 Main circuit Fig. 2-9 Topological structure diagram The typical circuit topological structure diagram of MVF2000 Medium Voltage Drive series is as shown in Fig. 2-9. The phase-shift rectifier transformer is a three-phase air-cooled dry-type transformer directly connected with the incoming high voltage, whereas the secondary windings use extended delta connection, which can lower the content of the input side current distortion.

  • Page 24: Power Cell

    2-2-2 Power cell The power cell is a basic cell of medium voltage drive for realizing variable voltage and frequency output. It is mainly comprised of fast acting fuses, a rectification bridge, DC bus capacitance, IGBT inverting bridge, and etc. The input terminal of the power cell is connected with the three-phase winding of the secondary side of the phase-shift transformer, the three phase diode provides full-wave rectification to charge the DC bus capacitance, and the voltage on the capacitance is...

  • Page 25: Control System

    Each power cell has an independent cell control board and drive board, wherein the cell control board receives the PWM signal transmitted by the main control system by means of optical fiber to control the IGBT. Simultaneously, the status information of each power cell is fed back to the main control system by the cell control board by means of optical fiber.
  • Page 26 the PLC. Specific contents will be described in Chapter III in detail. MVF2000 delivers high performance control accuracy using vector control. The ability to independently control motor flux and speed yields fast dynamic response to load fluctuations and high torque at low speeds, including during motor start-up, and the control diagram is as shown in Fig.

  • Page 27: Human-Machine Interface

    III. Human-machine interface By using a high-quality touch-screen HMI (human interface machine), simple and visual operation are possible to achieve for all MVD function such as parameter setting, operation status, and fault diagnosis. The user interface is protected by password function that only opens up for authorized operators to ensure the safety of operation.

  • Page 28: System Status

    Running: When the main control system has no failure, and the system detects the operation in normal operation, the “Running” indicator will light up. The functions of each key in the main interface will be described hereinafter: Under HMI operation mode, a “start” order can be sent to the MVD by pressing this key.
  • Page 29 Fig. 3-2 running status interface Press “History Graph” button on HMI to enter into the history graph interface, as shown in Fig. 3-3. Fig. 3-3 history graph interface In historical graph page, you can show information like input voltage, output voltage, input current, output current, reference speed, speed command, input power.

  • Page 30: Power Cell

    Fig. 3-4 version interface 3-3 Power Cell Press “Power Cell” on the HMI main menu to enter into the power cell interface, as shown in Fig. 3-5. Fig. 3-5 power cell interface This interface can be used to view the information of each power cell. Press “Power Cell”...

  • Page 31: Alarm Fault

    Fig. 3-6 fault code explain interface 3-4 Alarm Fault When the system has an alarm/ Fault, “Alarm Fault” button will flicker. Press “Alarm Fault” button on the HMI main menu to enter into the Real-time alarm& fault interface, as shown in Fig. 3-7. Fig.
  • Page 32 Press “Historical” button on the HMI to enter into the Historical alarm& fault log interface, as shown in Fig. 3-8. Fig. 3-8 historical alarm& fault log interface This interface aims at recording all the events about alarms, faults. Press “Export Event Log” button to save event log information as“XXX.CSV” style file to USB storage devices which need to be inserted separately.

  • Page 33: Setting

    This interface aims at recording all the events about alarms, faults, equipment start-up and shut-down to the logs. 3-5 Setting Press “Setting” button in the HMI main menu to enter into the operation mode interface, as shown in Fig. 3-10. Fig.
  • Page 34 Fig. 3-11 Parameter setting interface The function of this interface is to display and change the parameters. The parameter change cannot be conducted when the MVD is running. Please see VI-d escription of functional parameters for details. The user can change the parameters according to the actual site situation.
  • Page 35 Fig. 3-13 Input password MVD restrict important parameter changes by users without authority to prevent malfunction. Press “Change” button, Users at a higher level can see and change the password of the user at a lower level. Users at different levels can carry on corresponding operation on the system after entering the right password, click the "Lock"...
  • Page 36 Fig. 3-15 date/time adjust interface  HMI System Click “HMI System” button to enter into HMI System.

  • Page 37: Description Of Functional Parameters

    IV. Description of functional parameters 4-1 System parameters Table 4-1 MVD basic parameter Parameter Unit Default Description MVD rated output P0005 65535 6000 voltage Power cells Level of continuous P0009 configuration mode per-phase Software version of P0148 31101 MVD rated input P0155 65535 6000...
  • Page 38 voltage” to 1. Table 4-2 Power cell parameter Parameter Unit Default Description Power cell rated P0388 input voltage Power cell rated P0867 2000 output current Upper limit of Power P0882 cell DC voltage filter Lower limit of Power P0883 cell DC voltage filter Table 4-3 DCS configuration Parameter Unit...
  • Page 39 Type of input voltage 0-Not UL P0017 sampling circuit 1-UL board Output current Output Current P0052 2000 sample rating sample board rating Coefficient of input P0055 65535 0.001 1000 current Coefficient of output P0056 65535 0.001 1000 current Low four bits represent 4 halls direction, but value is decimal：...
  • Page 40 number T32 cabinet fans P0794 number FC cabinet fans P0795 number RC cabinet fans P0796 number Fan redundancy P0797 30000 cycle time Table 4-7 System bypass Parameter Unit Default Description Frequency threshold Percentage of rated P0244 of system automatic motor speed bypass Automatic system P0247...

  • Page 41: Motor Parameters

    Table 4-9 Start-up Cabinet Parameter Unit Default Description Start-up cabinet P0248 32000 re-close waiting time 1- None P0285 Precharge mode 1-Start-up cabinet Power-on threshold Permillage of rated ‰ P0286 for start-up cabinet input voltage Time of startup P0799 cabinet closing 3000 0.1s command timeout...
  • Page 42 Maximum number of P0637 motor  When VFD is used as a multi-split soft starter, it can drive eight motors at most. The motor can be specified by HMI, DI or communication, and motor selection can’t be changed during VFD running. Table 4-14 Motor rated parameters Parameter Unit...
  • Page 43 Parameter Unit Default Description Motor mutual P0414 65535 0.1mH 4320 inductance Motor leakage P0415 65535 0.1mH inductance Motor stator mΩ P0416 65535 resistance Motor rotor mΩ P0417 65535 resistance 0.001w P0441 Flux reference 65535 15200 P0442 Motor rated torque 65535 10N.m Auto tuning No-load P0599...
  • Page 44 controller Maximum torque P0888 limit of power derating Bandwidth of speed P1041 65535 0.01Hz 1000 loop Percentage of output P1067 Output current limit over current threshold Table 4-18 Flux controller Parameter Unit Default Description Leakage inductance P0395 65535 voltage limit Delay time of given P0396 voltage for flux...

  • Page 45: Protection Parameters

    Percentage of motor Voltage limit of P0428 voltage controller rated voltage P0459 Kp of current loop P0460 Ki of current loop Bandwidth of current P0886 65535 0.01Hz 1000 loop decouple filter Adjustment P0887 coefficient of current loop decouple Table 4-20 Encoder configuration Parameter Unit Default...
  • Page 46 Table 4-23 Input power loss Parameter Unit Default Description Voltage threshold of Thousanth ratio of ‰ P0484 input power loss rated input voltage Delay time of input P1332 65535 power loss detection Incoming time of P1333 65535 input voltage  If the voltage values of input three phases are all lower than voltage threshold of input power loss(P0484), and MCB is still closed after the delay time (P1332) ，...
  • Page 47 Table 4-27 Input sequence fault Parameter Unit Default Description Fault action P1106 configuration: Input Sequence Fault Fault duration time: P1256 Input Sequence 65535 Fault  While phase sequence of input voltage is incorrect in a duration time of P1256, input sequence fault is generated.
  • Page 48 threshold, output overload fault is generated. Table 4-30 Output phase loss Parameter Unit Default Description Fault action P1110 configuration: Output Phase Loss Fault duration time: P1260 65535 Output Phase Loss 1st threshold of Percentage of motor P0068 output phase loss rated current protection 2nd threshold of...
  • Page 49 alarm  System starts to detect output phase imbalance above active frequency of output phase imbalance protection(P1010). During 10 minutes of continuous running time, if the cumulative time that output unbalanced degree above threshold of output voltage imbalance alarm(P1011) is more than fault duration time of output phase imbalance alarm(P1262), output phase imbalance alarm is generated.
  • Page 50 Toruqe Field weakening Torque (P1029) Zero frequency Load (P1030) Underload area Field weakening point (P444) Fig. 4-1 Output underload Table 4-35 Electronic motor thermal protection Parameter Unit Default Description Fault action configuration: P1115 Electronic Motor Thermal Protection Motor ambient ℃ P1017 temperature Motor zero speed...
  • Page 51 motor.  P1020 “Motor thermal load capacity” is the thermal load ability of the motor. When speed is rated, P1020 is in relation to the point where the motor operates at P1020 of rated motor current with rated temperature rise. ...
  • Page 52 Threshold of motor Thousandth ratio of ‰ P0579 1000 3000 1200 over speed motor rated speed  In SVC/SLVC mode, if motor speed is higher than threshold of motor over speed(P0579) in a duration time of P1268, motor over speed fault is generated. Table 4-39 Motor under speed Parameter Unit...
  • Page 53  Speed setting analog loss is not detected before running. If the sampling value of the analog given by the speed is less than the lower threshold or over than the upper threshold，speed setting analog loss fault is generated Table 4-41 Encoder abnormal Parameter Unit Default...
  • Page 54 Table 4-44 Current sampling fault Parameter Unit Default Description Time duration for P465 current sampling 65535 anomaly Fault action configuration: Output P1143 Current Sampling Fault Fault duration time: P1257 Input Current 65535 Sampling Fault Fault duration time: P1265 Output Current 65535 Sampling Fault Table 4-45 Power cell protection...
  • Page 55 Power cell fault action configuration: P1172 DC Bus Ultra Over voltage Power cell fault action configuration: P1173 Power Cell Control Power Fault Power cell fault action configuration: P1174 Power Cell Capacitor Voltage Abnormal Power cell fault action configuration: P1175 Upstream Fiber Communication Fault Fault duration time:...
  • Page 56 Table 4-47 PLC-DSP communication failure Parameter Unit Default Description PLC fault action configuration: P1212 PLC-DSP Communication Failure  If PLC losses communication with DSP, PLC-DSP communication failure is generated. Table 4-48 Cooling fan abnormal Parameter Unit Default Description PLC fault action configuration: P1213 Cooling Fan...

  • Page 57: I/Oconfiguration

    configuration: Number of Cooling Fan For Reactance Cabinet Is Insufficient 4-4 I/O configuration Table 4-49 Analog input Parameter Unit Default Description Average calculation P0065 Analog input filter 65535 point Speed given analog P0200 65535 input filter bandwidth Analog input 1 0-None P0201 function selection...
  • Page 58 Table 4-50 Analog output Parameter Unit Default Description Analog output 1-Uain P0207 channel 1 function 65535 2-Ubin selection 3-Ucin 4-Uuout Analog output 5-Uvout P0208 channel 2 function 65535 selection 6-Uwout 7-Iain Analog output 8-Icin P0209 channel 3 function 65535 9-Iuout selection 10-Iwout 11-AI1...

  • Page 59: Function Parameters

    channels 4 range  P0207~ P0210 are used to define the function selection of the 4 analog output channels.  P0297~ P0300 are used to set amplitude adjustment of the 4 analog output channels. 4-5 Function parameters Table 4-51 Auto tuning Parameter Unit Default...
  • Page 60 Speed sampling Percentage of motor P1037 point 1 rated speed Speed sampling Percentage of motor P1038 point 2 rated speed Speed sampling Percentage of motor P1039 point 3 rated speed Speed sampling Percentage of motor P1040 point 4 rated speed Deceleration stop speed of mechanical Percentage of motor...
  • Page 61 Deceleration time of P1008 3600 ramp 3 P0057 Acceleration time P0058 Deceleration time Minimum time of P0061 acceleration and 3600 deceleration  The speed ramp can be specified by HMI, DI or communication, and speed ramp can’t be changed during VFD running. ...
  • Page 62 Fig. 4-2 S-curve Table 4-54 Frequency skipping Parameter Unit Default Description Frequency skipping P0078 33000 0.01Hz 1500 point 1 Frequency skipping P0079 33000 0.01Hz 2500 point 2 Frequency skipping P0080 33000 0.01Hz 3500 point 3 Bandwidth of P0081 frequency skipping 2000 0.01Hz point 1...
  • Page 63 Bandwidth 3 Output frequency Bandwidth 2 Bandwidth 1 Reference frequency Frequency Frequency Frequency skip point 1 skip point 2 skip point 3 Fig. 4-3 Frequency skipping Table 4-55 Multi-point V/F Parameter Unit Default Description Multi-point V/F 0-Disable P0089 enable 1-Enable Frequency point 1 of P0150 33000...
  • Page 64 Table 4-56 Torque boost Parameter Unit Default Description Torque boost ‰ P0004 voltage  Torque boost is used to increase the output voltage during low-frequency operation and improve the low-frequency torque characteristics of V/F control.  The setting range of the torque boost voltage is 0~300‰. When the set value is 0, there is no increase, but when the set value is 300‰, the increase range is maximum.
  • Page 65 Frequency lower P0961 limit of dead-band compensation Frequency upper P0962 limit of dead-band compensation Coefficient of dead P0963 -band compensation 65535 Current filter bandwidth of P0964 65535 0.01Hz dead-band compensation Voltage limit of P0965 dead-band compensation  Dead-band compensation function is used to eliminate mechanical vibration of the motor. When frequency upper limit of dead-band compensation is higher than the mechanical oscillating frequency of motor, mechanical vibration of the motor will disappear.
  • Page 66 0-Forward Direction of speed P0161 1-Reverse scanning 2-Two-way Residual voltage P0162 threshold for flying start Voltage boost time of P0163 VF mode for residual flying start Voltage boost time of P0164 speed scanning Initial frequency of P0165 speed scanning Kp coefficient of P0166 65535 speed scanning...
  • Page 67 Table 4-61 DC braking Parameter Unit Default Description 0-Disable P0586 DC braking enable 1-Enable P0587 DC braking current DC braking start P0588 speed DC braking time P0589 during start DC braking time P0590 during deceleration stop Avoidance time of P1009 residual voltage 65535 during DC braking...
  • Page 68 Table 4-62 Field weakening Parameter Unit Default Description Field weakening 0-Disable P0443 enable 1-Enable Start frequency of P0444 field weakening Field weakening P0445 coefficient  Field weakening function is applied to the load with constant power. when VFD operates below start frequency of field weakening, the motor flux is controlled to a constant value. While motor speed is above start frequency of field weakening, VFD will decrease flux to make output voltage remain constant.
  • Page 69 The droop coefficient is removed linearly from rated Linear speed to 0.  When dynamic droop time constant is set to 0, droop control is used to balance load among mechanically connected motors, as shown in Fig. 4-7(a). When dynamic droop time constant is set, droop control is used to decrease current fluctuation when the load changes suddenly, as shown in Fig.
  • Page 70 Table 4-66 Over-voltage prevention during deceleration Parameter Unit Default Description Judgment time for over-voltage P0551 65535 100ms prevention during deceleration finish Steady-state error 0.01 P0552 range of speed 1000 command Over-voltage 0-Disable P0581 prevention during 1-Enable deceleration enable Udc upper threshold of over-voltage P0582 1150...
  • Page 71  When power cell bypass mode is symmetrical bypass, once a failed power cell is bypassed, power cells at the same level output zero voltage to make VFD keep normal operation.  When the modulation ratio is above maximum modulation ratio of symmetrical bypass after power cell bypass occurs, VFD output speed will be decreased automatically, namely bypass derating.
  • Page 72 lower than the speed specified by customer. When the modulation ratio is lower than P0813, bypass derating is finish.  Minimum operating power factor for negative sequence compensation and minimum operating speed for negative sequence compensation are the operating threshold of negative sequence compensation.
  • Page 73  While the grid falls below threshold of input power loss, the DC link voltage can be stabilized by regenerating power from motor side. If grid voltage recovers in duration time of low voltage ride through, DC link voltage is above DC voltage lower limit of low voltage ride through, and motor speed is above speed lower limit of low voltage ride through, torque current will be increased and drive speed will return to its previous value.
  • Page 74 Fault trigger P1353 Fault restet P1354 Trial time Operate Fig. 4-8 Automatic restart  During trial time of automatic restart, the next fault that occurs can be reset. And the trial time re-count again after the next fault is reset. If the number of faults during the trial time is more than number of trials for automatic restart, automatic restart failure is generated.
  • Page 75 acceleration of synchronous transfer Phase regulating 0.01rad P0769 slope of 65535 synchronous transfer Voltage regulating P0770 slope of 65535 synchronous transfer Voltage error P0771 threshold of synchronous transfer Speed error P0772 threshold of 1000 ‰ synchronous transfer Reactance resistance per unit P0773 65535 ‰...

  • Page 76: Multi Motors Parameters Storage

     Synchronous transfer function is used to realize smooth switch between VFD and grid, avoid electric shock to the electrical net, and prolong electrical equipment’s working life. 4-6 Multi Motors Parameters Storage Table 4-73 Storage region of multi motors Parameter number Motor 1 P2001--P2300 Motor 2...
  • Page 77 Motor1 coefficient of P2026 65535 flux controller Ki Motor1 coefficient of P2027 65535 current controller Kp Motor1 coefficient of P2028 65535 current controller Ki Motor1 magnetizing P2031 current limit Motor1 threshold P2039 value of output 1000 overload Motor1 initial detect P2040 current of output 1000...
  • Page 78 Motor1 frequency P2063 point 2 of multi-point 33000 0.01Hz 3000 Motor1 voltage point P2064 65535 5000 2 of multi-point V/F Motor1 voltage limit P2075 of voltage controller 0-Ramp 1 Motor1 speed ramps P2141 1-Ramp 2 selection 2-Ramp 3 Motor1 speed ramp P2142 3600 1 acceleration time...
  • Page 79 Motor1 maximum ‰ P2158 3000 1000 speed Motor1 mutual P2241 65535 0.1mH 4320 inductance Motor1 leakage P2242 65535 0.1mH inductance Motor1 rotor mΩ P2243 65535 resistance  The function numbers above define parameters of 1 motor in multi motors parameters storage region.

  • Page 80: Operation

    V. Operation This chapter describes the normal operation steps of the MVF2000 medium voltage drive after installation and commissioning. Caution!  Only the personnel who have been trained professionally can operate the MVF2000 medium voltage drive. 5-1 Power-on Execute the MVD installation and commissioning according to Chapter VIII -Commissioning;...

  • Page 81: Stop

    Input the speed setting through DCS digital signal; Communication: Input the speed setting through communication; PID: Input PID Reference value; 2, Send start command HMI: Press to start the MVD. Digital: Start the equipment through DCS digital signal. Communication: Input the speed setting through communication; 5-3 Stop The routine stop modes comprise decelerated stop and free stop.

  • Page 82: Power-Off

    According to different operating modes, the steps for stopping the MVD are as follows: HMI: Press . The MVD will stop in accordance with the corresponding stop mode, while the main circuit breaker is still closed. Digital: Stop the equipment through DCS digital signal. Communication: Stop the equipment through communication.

  • Page 83: Transportation, Storage And Installation

    VI. Transportation, storage and installation The transportation, storage and installation steps for the MVF2000 medium voltage drive are described in detail in this chapter. To ensure the production performance and safety of related operations, please abide by the operation specification and sequence of each link described in this chapter.
  • Page 84 Identification Identification Meaning Application Name Pattern The box cannot be Out of directly exposed to sunlight sunlight. The package shall Out of rain not be exposed to rain. Gravity The gravity center center of a cargo unit. This identification shall be indicated on the actual gravity center position.

  • Page 85: Transportation, Loading And Unloading

    6-2 Transportation, loading and unloading The MVF2000 medium voltage drive can be transported by vehicles such as automobiles, trains and ships. The product shall be handled with care during transportation and must be kept away from rain, direct sunlight, shock, impact and upending during transportation, and height limitation and other factors shall also be taken into consideration at the same time.

  • Page 86: Acceptance Check

    Fig. 6-1 Lifting position of production and diagram of top protection A hydromantic forklift can be used for loading and unloading cabinets unless otherwise specified. And the gravity center of forklift and package shall be considered. 6-3 Acceptance check The complete acceptance check process of the MVF2000 medium voltage drive is as follows: ...
  • Page 87 Upper enclosure Side enclosure  Dismantle the upper enclosure first; Tightening  Dismantle the side enclosures and the front & rear enclosures; strip  Dismantle the EPE foam, VCI bag and the plastic-steel tightening strip;  The dismantled wooden packing boxes shall be disposed environmentally in accordance with related requirements.
  • Page 88 the top of the cabinet is prohibited. Instead, use the lifting ring of the transformer itself as shown in Fig. 6-5. Position of lifting rings at corners Transformer self-provided lifting lugs power cell Fig. 6-4 Lifting position of cabinet Fig. 6-5 Lifting operation of transformer cabinet If crane hangs up cabinet from the top, a distance D (>1.5m) between crane hook and cabinet top must be strictly followed, as shown in figure 6-4 and 6-5.
  • Page 89 Min.45° Fig. 6-6 Top lifting from bottom Use the shackles in the holes of lifting bar as shown in figure 6-7, Use only 33 mm (1.3 in.) diameter holes and 30mm width for shackles, the available shackle could be used 3/4 in, 7/8 in, 1 in, 1-1/8 in nominal size. Fig.

  • Page 90: Storage

    Fig. 6-8 Wooden protection during top lifting from bottom The lifting bar is an optional accessory, specification: 45 steel, diameter φ60mm, length 1600mm. Other rods with yield strength greater than 355MPa, diameter between 60mm and 65mm, and similar length can also be used in the field. The lifting weight of crane and ropes must meet requirements.

  • Page 91: Installation

    to 70 C, and the relative humidity shall not exceed 95%. The storage environment shall be out of direct sunlight, corrosion, inflammable gas, conductive dust, salt smog and oil smoke, etc. The MVD inside its packaging can be stored in a dry and ventilated place for more than one year.
  • Page 92 Fig. 6-10 In-line Cabinet attachment Optional cabinets shall be placed on the left of the MVD cabinet, and shall be secured by angle steel on the top which is shown in fig.6-11, and by M12 screw at bottom. Fig. 6-11 Angle steels The following points shall be noted: ...

  • Page 93: Anchoring Cabinets To Foundation

     The cabinets shall be earthed reliably;  The fastening parts used in installation shall be standard parts with Zn-Ni Alloy plated.  The hexagonal spacers can’t be used for the attachment of the back side of cabinet, If the cabinet is placed against the wall. The angle steel which is shown in fig.6-11 will be used to the connection of cabinets.
  • Page 94 Top MV cables entry cover Output terminal (Top cable entry) Input terminal (Top cable entry) Input terminal (Bottom cable entry) Output terminal (Bottom cable entry) Bottom entry cover Fig. 6-13 Bottom Entry and Top Entry  All in one cabinet structure is compact when the output voltage is 3.3kV. Before cabling you should disassemble the outer FRP first.

  • Page 95: Protective Grounding Connection

    Control Cable Entry  Bottom entry and top entry can be conducted in control cabinet and there is no need to move any mechanical parts.  Control cables shall be tied on the wire duct/bracket when cable routing is finished as shown in Fig.6-15.

  • Page 96: Power Cell Installation

    6-6-8 Power cell installation  The power cell shall be handled carefully and be confirmed that it is not damaged or affected by shock after being unpacked;  Simple forklift can be used to move and lift the power cell. At least two persons are required for cooperation during installation.

  • Page 97: System Wiring

    VII. System wiring This chapter will introduce MVF2000 medium voltage drive wiring and spec requirements for terminals. 7-1 Wiring of the primary loop The typical wiring of the primary loop is as shown in Fig. 7-1, wherein the circuit breaker MCB and the connection cables are provided by the user, and the filter cabinet is an optional configuration.

  • Page 98: Control Loop Wiring

    transformer to output single-phase 220V power, thus the MVD can still operate normally. When the user power restores, the power supply will switch back to the user power. Protection requirements:  The user power supply loop, namely, when the neutral point of the control power is directly earthed, the external housing shall be connected with the earthing electrode by using PE lines (the earthing electrode has no electrical connection with the neutral point earthing) and belongs to TT power supply system;...
  • Page 99 Normal open: Standard Alarm Effective by closing configuration Normal open: Optional MCB trip 2 Effective by closing Exciting Current Standard configuration. Feedback 0~10V voltage signal or 4~20mA current signal Speed Reference(AI) according to the customer requirements. Standard Analog Output 1 configuration.

  • Page 100: Typical Application Wiring Map

    Normal open: Reserved Reserved Effective by closing 60~100 Spare Spare The digital input terminals above are required to be passive nodes with a capacity of 1A/24VDC. The digital output terminals provided by the system are passive nodes with a capacity of 6A/250VAC or DC. The definition above of all the I/O terminals is default, and can be defined and configured again according to the user requirements.
  • Page 101  The sectional area of the earthing cables must be ≥16mm² and no less than 1/2 of the sectional area of high voltage phase wires. In addition, good earthing connection with an earthing resistance lower than 4Ω shall be provided by the user; ...

  • Page 102: Commissioning

    VIII. Commissioning The commissioning of the MVF2000 medium voltage drive can only be conducted by qualified and trained engineers authorized by Delta Electronics. Functional test, commissioning and primary parameter calibration shall be executed by professional engineers in coordination with end users to make sure the final test and performance are according to end users’...

  • Page 103: Commissioning Process

    After finishing commissioning, the commissioning report shall be accepted and signed by the user and the commissioning engineer of Delta Electronics. Two commissioning reports shall be written in duplicate by the commissioning engineer of Delta Electronics, one copy is for the user’s record and the other for Delta Electronics.

  • Page 104: Troubleshooting

    IX. Troubleshooting The MVF2000 medium voltage drive is comprised of monitoring and protection function. The failures are categorized into alarms and faults. When there is an alarm, only warning information will be sent and the system can be powered on, started and operated normally. When there is a fault, the system will stop immediately and send warning information.
  • Page 105 System Failure item default Failure definition Solutions Remarks operation Output Over The output current is System 1. Check the output current. Current(Softwar Coast stop higher than 150% of the operation is 2. Check the set value. rated current configurable Constant torque: When the output current is higher than 150% of the 1.
  • Page 106 System Failure item default Failure definition Solutions Remarks operation • The motor 1. Check whether the motor is frequency/speed is below overload. the set value • A torque limit condition System 2. Check whether there is any Motor stall is present operation is mechanical failure.
  • Page 107 System Failure item default Failure definition Solutions Remarks operation The output current is Output Over larger than 210% of Current(Hardwar Trip 1. Check the output current. output current sample rating System Current Sensor The LEM power board is 1. Check the power supply of Trip operation is Power Fault...
  • Page 108 System Failure item default Failure definition Solutions Remarks operation “Speed err threshold of occurs, or load transfer synchronous transfer”. timeout occurs 3. If voltage synchronous timeout occurs, modify parameter “Phase error threshold of synchronous transfer”, or parameter “Voltage error threshold of synchronous transfer”.
  • Page 109 System Failure item default Failure definition Solutions Remarks operation 1. Check the wiring and voltage of the backup control power. The backup control power 2. Check whether the Internal Control provided by the Alarm corresponding switches are Power Loss phase-shift transformer closed and whether the auxiliary winding is lost corresponding relays work...
  • Page 110 System Failure item default Failure definition Solutions Remarks operation cabinet door is opened during operation, the system will stop immediately. 1. Check if the air filter is Comparison with the set The reason clogged. Air Filter value of the internal might be the Alarm 2.
  • Page 111 System Failure item default Failure definition Solutions Remarks operation thermometry module in PLC, respectively. When the connection is loosen, or PT100 resistor of transformer is damaged, PLC will detect the correspondent malfunction and feedback the report. The emergency stop push Release the emergency stop Emergency Stop Trip button on control cabinet...
  • Page 112 System Failure item default Failure definition Solutions Remarks operation 1. Check whether the bypass Auto Bypass Bypass cabinet switch did cabinet switch is normal. Trip Transfer Failure not operate correctly 2. Check whether the internal wiring is firm and correct. Auto Bypass The operation status of Condition is not...
  • Page 113 System Failure item default Failure definition Solutions Remarks operation The power cell unit has 1. Check whether the optical fibers are in normal condition. Downstream not received the System Fiber 2. Check whether the joints of signals from the optical Trip operation is Communication...

  • Page 114: Maintenance

    X. Maintenance This chapter describes the general maintenance plan for MVF2000 medium voltage drive, and all the preventive maintenance as well as spare parts replacement that can be accomplished by the user and Delta’s service personnel. Moreover, the preventive maintenance and safety cautions that must be observed by the user are described in detail. The maintenance tasks conducted by the user is mainly limited to various visual inspections, air filter cleaning, and keeping the installation room as clean as possible.

  • Page 115: Maintenance Plan

     No tools or foreign objects are left in the cabinets.  All the cabinet doors including protective isolation facilities shall be closed and ready in position. Restart the MVD: Operate according to the power-on operation instruction to see whether there is any abnormity. Formulate daily record: All the maintenance information (including the revised parameters) shall be recorded in the daily maintenance record: ...
  • Page 116 replace it with a new one. Cleaning with water, alcohol or solvents is forbidden. Check the MVD room daily. Clear the foreign items on time. Recommand clear the MVD room once a week. ‐Daily MVD room MVD room clear method: recommand clear the ash and other items with vacuum or wet mop to avoid the dust goes into filter of MVD.
  • Page 117 3．Component Maintenance Maintenance item Duration Maintenance detail Recommand to change every 3 years for reliable operation. If ‐Every 3 the change and discharge frequently, the duration should be years shortened. Check Mantenance 4 for deital. -MVD Storage battery storage If the MVD does not turn on for a long period. The storage time over battery need to be charged every 3 month, 8 hours each time.
  • Page 118 Fig. 10-1 Diagram of Filter Replacement  Replace the air filter of All on one cabinet:  Rotate and loosen screws ① to disassemble ventilation opening frame ②;  Disassemble the air filter ③ to be replaced and plug in a new filter; ...
  • Page 119  Disassemble the air filter ② to be replaced and plug in a new filter;  Restore the filter plastic frame. Note: In the air condition room, life time of the filter is 1 years. ② ① Fig. 10-3 Diagram of Filter Replacement for control cabinet 2.
  • Page 120 time.  Step11: Disconnect the short circuit wire between output terminal to ground (Step7), and short input terminal to ground;  Step12: Repeat Step8~Step10, but applying the high voltage between output terminal and ground, and so does the insulation resistance. If the input voltage and output voltage rating are the same, conduct the dielectric withstand test covering both input and output.
  • Page 121 6. Replace internal battry of HMI Remove the screws at the back side of HMI and open the HMI back cover plate, as Fig. 10-5, replace the battery（3V lithiun battery, CR2032×1）. Fig. 10-5 HMI internal battery changing 7. Replace the cooling fan ...
  • Page 122 ① ② ③ Fig. 10-6 Diagram for replacing the cooling fan Caution!  The cooling fans have different models according to power levels, which shall be noted.  The installation of the fan power & cable interface shall be finished before fastening the cooling fan screws.
  • Page 123 ⓐ ⓑ ⓒ Fig. 10-8 Electrical Connection  Power unit indicator is shown in figure 10-9; unit status is normal if “POWER” and “COM” light up. If there are other LED indicators lighting up due to a further inspection in necessary, please contact the DELTA personnel. Fig.

  • Page 124: Daily Maintenance Record

    Interconnection Busbar Fiber optical wiring Input Cables of 3 phases connection Fig. 10-10 Power cell replacement schematic diagram  Use M6 torque wrench to unscrew the screw in front of the power cell. Save the screws carefully. Pull the power cell along the track and save the power cell carefully (Fig10-11).

  • Page 125: Safety

    XI. Safety 1. The input, output voltage and current, the duty cycle when applying the MVD shall according to those listed in the document. 2. The users are prohibited from modifying, changing, replacing the components and wiring of the product. 3.

  • Page 126: Ordering Instructions

    XII. Ordering instructions  Product model, name and ordering quantity;  Motor parameters, comprising the type, poles, rated power, rotation speed, input voltage, input current and frequency of the motor;  Applicable loading type;  Requirements for communication mode and interfaces; ...

  • Page 127: Annex A

    Annex A MVF2000 Fault Configuration Rules Action Config. Detection Alarm value enable /Fault Not running Running Disable Enable Alarm No action No action Enable Fault No action Coast stop Enable Fault No action Coast stop, and bypass system Enable Fault No action Deceleration and stop Enable...

  • Page 128: Annex B

    Annex B MVF2000 Electrical parameters and dimensions table MVF2000 outline drawings shown below:...
  • Page 129 MVF2000 dimensions are shown below: Rated Rated Output Output Weight MVD Model Name Voltage Current MVF23AA070NNSS 1210 2868 2300 MVF23AA100NNSS 2868 3100 1610 MVF23AA140NNSS 2868 3200 MVF23AA215NNSS 1910 2868 3700 MVF23DD036NNSS 2868 3700 2310 MVF23DD070NNSS 2868 3800 MVF23DD100NNSS 2868 5100 2710 1250 MVF23DD140NNSS...

  • Page 130: Annex C

    Annex C MVF2000 Optional Device Description 1. Filter Cabinet Function The FC cabinet is an optional cabinet which is connected at the output of the drive, between the inverter and motor. The filter is used to reduce the dv/dt of the voltage waveform, prevent resonance/over voltage caused by motor cables and reduce the charging current of the cable.
  • Page 131 Fig.2 Front view Fig.3 Inside view...

  • Page 132: Annex D

    Annex D MODBUS Communication 1. Communication protocol Communication port：RS485 Communication protocol：Modbus RTU Communication station：2 Communication data structure 9600 (Baud rate), 8 (data bit), Even (Odd-even check bit) 1 (initial bit), 1 (stop bit) 2. Communication command code Command Meaning Operable device code Read node state S, Y, M, T, C...
  • Page 133 Register MODBUS Type Variable name Remarks address address Attribute frequency /100 Actual operation Measured value D26009 426010 frequency /100 Transformer D26010 426011 Measured value /10 Temp. Winding A Transformer D26011 426012 Measured value /10 Temp. Winding B Transformer D26012 426013 Measured value /10 Temp.
  • Page 134 Register MODBUS Type Variable name Remarks address address Attribute W5 cell state See HMI display D15154 415155 information information U6 cell state See HMI display D15155 415156 information information V6 cell state See HMI display D15156 415157 information information W6 cell state See HMI display D15157 415158...
  • Page 135 Register MODBUS Type Variable name Remarks address address Attribute voltage V1 cell voltage D15101 415102 Measured value *1 address information W1 cell voltage D15102 415103 Measured value *1 information U2 cell voltage D15103 415104 Measured value *1 information V2 cell voltage D15104 415105 Measured value *1...
  • Page 136 Register MODBUS Type Variable name Remarks address address Attribute U9 cell voltage D15124 415125 Measured value *1 information V9 cell voltage D15125 415126 Measured value *1 information W9 cell voltage D15126 415127 Measured value *1 information U10 cell voltage D15127 415128 Measured value *1 information...

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