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TERASAKI TemTrip PRO PRS-1H Instruction Manual

Multi-functional protective relay
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TemTrip PRO
PRS-1H MULTI-FUNCTIONAL PROTECTIVE RELAY
INSTRUCTION MANUAL
Notice
・Be sure to read this manual before servicing or inspecting the product.
・Keep this manual in a safe location for future reference.
・Setting change and test of this model must be done by persons having knowledge.
KRB-5433d

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Summary of Contents for TERASAKI TemTrip PRO PRS-1H

  • Page 1 TemTrip PRO PRS-1H MULTI-FUNCTIONAL PROTECTIVE RELAY INSTRUCTION MANUAL Notice ・Be sure to read this manual before servicing or inspecting the product. ・Keep this manual in a safe location for future reference. ・Setting change and test of this model must be done by persons having knowledge. KRB-5433d...

  • Page 3: Table Of Contents

    Table of Contents 1. Preface ................................... 1 1-1. Included Items ..............................1 2. Safety Notices ................................ 2 3. Specifications ................................. 3 4. Characteristic list ..............................5 4-1. Representation Format of Type ........................5 4-2. Setting................................6 4-3. Characteristic Curve ............................10 5.

  • Page 5: Preface

    1. Preface Thank you for purchasing a TERASAKI PRS-1H multi-functional protective relay (TemTrip PRO). Before using the PRS-1H multi-functional protective relay (hereafter referred to as the "protective relay"), be sure to carefully read "2. Safety Notices", the entire contents of this manual, and all other appendixes to familiarize yourself with all device information, safety information, and precautions to ensure correct use of the relay.

  • Page 6: Safety Notices

    2. Safety Notices In these Instructions, safety notices are divided into " CAUTION" according to the hazard level: CAUTION : A caution notice with this symbol indicates that neglecting the suggested procedure or practice could result in moderate or slight personal injury and/or property damage. Note that failing to observe CAUTION notices could result in serious results in some cases.

  • Page 7: Specifications

    3. Specifications The specifications of the protective relay are shown in Table 1 below. Table 1 Specifications of protective relay Item Details Control voltage 24 VDC, 110 VDC Power consumption 5 VA W196 × H146 × D163.6 mm (including the terminals on the back) External dimensions Operating temperature -10°C to +55°C...
  • Page 8 : Standard feature, 〇: Option) Table 2 Functional specifications of protective relay ( ● Presence/absence Function Type-G Type-F Type-T ● ● ● Long time-delay tripping (LT) ● ● ● Short time-delay tripping (ST) ● ● ● Instantaneous tripping (INST) ● ●...

  • Page 9: Characteristic List

    4. Characteristic list 4-1. Representation Format of Type Type: PRS-1H - G H A1 1 #### ① ② ③ ④ ⑤ Name Symbol Remarks ① Specification For generator protection For feeder circuit For transformer protection ② Control power supply Control power supply: 110 VDC Control power supply: 24 VDC ③...

  • Page 10: Setting

    4-2. Setting Table 3 to Table 5 show the setting items of the protective relay. Table 3 Common setting items (1/3) Setting range Item STEP Remarks Type-G Type-F Type-T CT primary current 10 to 1500 A CT secondary current 1 A / 5 A (*1) The actual setting range is limited to (0.5 to Rated current...
  • Page 11 Table 3 Common setting items (2/3) Setting range Item STEP Remarks Type-G Type-F Type-T Long time-delay tripping 1 Mode OFF / TRIP SIT (power of 0.02) / VIT (power of 1) / Characteristic EIT (power of 2) Pickup current (0.80 to 1.15) × In (0.80 to 1.10) ×...
  • Page 12 Table 3 Common setting items (3/3) Setting range Item STEP Remarks Type-G Type-F Type-T Ground fault overvoltage Mode OFF / ALARM / TRIP (0.050 to 0.150) × V0n Pickup voltage 0.001 Activation time limit 0.1 to 1.0s Output relay Refer to 8-8-3. Relay Setting Operation Undervoltage Mode OFF / TRIP...
  • Page 13 Table 4 Setting items (for Type-G) Item Setting range STEP Remarks Differential current Mode OFF / ALARM / TRIP If "CB ON" is set, it will not operate when the CB AUX state NORMAL / CB ON CB status is OFF. i1 = I1 ×ICT2 / ICT Set differential current (0.10 to 0.50) ×...

  • Page 14: Characteristic Curve

    4-3. Characteristic Curve Figure 2 to Figure 5 show the operating characteristic curves of the protective relay. Long time-delay tripping (Type-G) Long time-delay tripping (Type-F/T SIT[0.02]) Long time-delay tripping (Type-F/T VIT[1.00]) Long time-delay tripping (Type-F/T EIT[2.00]) Figure 2 Operating characteristic curves of the protective relay 1 KRB-5433d...
  • Page 15 Short time-delay tripping (Type-G) Short time-delay tripping (Type-F/T) Double setting uses the same curve. Instantaneous tripping Figure 3 Operating characteristic curves of the protective relay 2 KRB-5433d...
  • Page 16 Pre-trip alarm (Type-G) Pre-trip alarm (Type-F/T SIT[0.02]) Pre-trip alarm (Type-F/T VIT[1.00]) Pre-trip alarm (Type-F/T EIT[2.00]) Figure 4 Operating characteristic curves of the protective relay 3 KRB-5433d...
  • Page 17 Pre-trip alarm 2 (Type-G) Reverse power protection (Type-G) Double setting uses the same curve. Negative phase protection Figure 5 Operating characteristic curves of the protective relay 4 KRB-5433d...

  • Page 18: Component Identifications

    5. Component Identifications Figure 6 and Figure 7 show the appearance of the protection relay, and Table 6 and Table 7 explain each component of the protection relay. ③ ② ⑨ ⑧ ⑦ ⑥ ⑩ ⑪ ⑫ ⑬ ⑭ ⑮ ①...
  • Page 19 ② ③ ① ④ ⑤ (*1) ⑦ ⑨ (*2) (*2) ⑥ ⑪ (*1) ⑩ ⑫ ⑧ Figure 7 External view of the protective relay (rear side) *1: Be careful when wiring because the terminals have the same shape. *2: Be careful when wiring because the terminals have the same shape.( One connector has one terminal name mark ) Table 7 Name and function of each component of the protective relay (rear side) Name Description...

  • Page 20: Installation

    6. Installation This chapter describes how to install the protective relay. Panel Mounting bracket Figure 8 Installation method 1) Cut out the panel on which the protective relay is to be installed, according to the panel mounting dimensions shown in Figure 1 Outline drawings.

  • Page 21: Connection

    7. Connection 7-1. Circuits and Ratings Figure 9 and Figure 10 show the wiring of the protective relay and Table 8 shows the terminal numbers, functions, and the meanings of each symbol. Power cc ear re Y1 Y2 C+ C- C A- A1 A2 A3 A4 supply O1 O2...
  • Page 22 Power cc ear re Y1 Y2 C+ C- C A- A1 A2 A3 A4 supply O1O2 Arc detection 10 11 12 13 14 15 16 17 18 19 20 21 22 O3O4 Frame ground Type-F Power cc ear re Y1 Y2 C+ C- C A- A1 A2 A3 A4 supply...
  • Page 23 Table 8 List of terminals in the protective relay wiring diagram I/O terminal name Terminal number Remarks Frame ground Control power supply - S1 Protective function (24 VDC, 110 VDC) - P1 Monitoring function (24 VDC, 110 VDC) CT for measurement KA - n1 CT secondary-side rated current: 1 A or 5 A (*1) (LT, ST, INST, PTA, UB, LT2, ST2, etc.)

  • Page 24: How To Display Measurements And Make Settings

    8. How to Display Measurements and Make Settings Make sure that control power is supplied. Control power supply is required to display measurements. 8-1. Outline The following seven buttons are used to display measurements and set characteristics: MENU, arrows (up, down, left, and right), ENTER, and RESET.

  • Page 25: Monitor Display Screen

    8-2. Monitor Display Screen The monitor display screen (Figure 12) on the left side of the display area enables the user to visually identify the items shown in Table 10. ① ② ④ ⑤⑥ ③ Figure 12 Monitor display screen Table 10 Items in monitor display screen Name Description...

  • Page 26: Navigation To Each Setting Item Screen After Power On

    8-3. Navigation to Each Setting Item Screen After Power ON The protective relay is provided with measured value display items, characteristic value setting items, and maintenance items that are used to display histories and conduct functional testing. The user can navigate to each screen by pressing the MENU button.

  • Page 27: About The Standby Mode

    8-3-1. About the standby mode. The protection relay automatically switches to standby mode, which minimizes power consumption, if there is no operation for 30 minutes after the power is turned on. If you press a button other than [RST] in standby mode, the screen that was displayed until just before is displayed, and if an alarm occurs, the alarm screen is displayed.

  • Page 28: Monitor Screens

    8-4. MONITOR Screens Figure 15 show the MONITOR screen transitions. Refer to Table 11 for items that are actually displayed on the screen. MO-MAIN MO-F MO-A MO-G (*3, 4) MO-B MO-H MO-C MO-I MO-J (*1) (*5) MO-E (*2) Figure 15 MONITOR screen navigation KRB-5433d...
  • Page 29 Table 11 MONITOR subscreens Screen Display Item Display range Remarks MO-MAIN Representative value Phase current of Phase 1 (R-phase) 0.0 to 6653.5 A Phase current of Phase 2 (S-phase) 0.0 to 6653.5 A Phase current of Phase 3 (T-phase) 0.0 to 6653.5 A It will be the same value as the item U MAX Maximum Phase to Phase voltage...
  • Page 30 Screen Display Item Display range Remarks MO-J DO state display 2 RY 6 Relay 6 signal output state ON/OFF RY 7 Relay 7 signal output state ON/OFF RY PTA Pre-trip alarm signal output state ON/OFF RY PTA 2 Pre-trip alarm 2 signal output state ON/OFF (*5) RY LOCKOUT...

  • Page 31: Setup Screens

    8-5. SETUP Screens Figure 16 to Figure 18 show the SETUP screen transitions. Refer to Table 12 for items that are actually displayed on the screen. When each setting item is changed, password authentication is required. For details on password authentication operation, refer to 8-5-3.
  • Page 32 SU-F (*2) SU-G SU-H 8-8. Change Settings SU-I SU-J (*3) SU-K Figure 17 SETUP screen navigation 2 KRB-5433d...
  • Page 33 SU-L 8-8. Change Settings SU-M 8-5-1. Date setting screen 8-5-2. Time setting screen SU-N 8-5-4. Password Setting screens SU-A Figure 18 SETUP screen navigation 3 KRB-5433d...
  • Page 34 Table 12 SETUP subscreens Setting range Screen Display Item STEP Remarks Type-G Type-F, -T SU-A CT primary current 10 to 1500 A ICT2 CT secondary current 1 A / 5 A (*1) The actual setting range is limited Rated current 5.0 to 1500.0 A to (0.5 to 1.0) ×...
  • Page 35 Setting range Screen Display Item STEP Remarks Type-G Type-F, -T SU-M yyyy/mm/dd Date 2000/1/1 to 2099/12/31 hh: mm Time 00: 00 to 23: 59 SU-N PASSWORD CHANGE Password change 0000 to 9999 Any number (four digits) (*6) *6: Default passoword is “0000” Table 13 ZERO RANGE / FULL RANGE setting range ZERO RANGE FULL RANGE...

  • Page 36: Date Setting Screen

    8-5-1. Date setting screen Figure 19 show the date setting screen navigation. Refer to Table 14 for items that are actually displayed on the screen. SU-M-2 (change before) SU-M-3 SU-M-4 SU-M-5 SU-M-2 (change after) Confirm pop-up [L] Cancel [E] Change Figure 19 Date setting screen navigation Table 14 Date setting subscreens Screen...

  • Page 37: Time Setting Screen

    8-5-2. Time setting screen Figure 20 show the time setting screen navigation. Refer to Table 15 for items that are actually displayed on the screen. SU-M-6 (change before) SU-M-7 SU-M-8 SU-M-6 (change after) Confirm pop-up [L] Cancel [E] Change Figure 20 Time setting screen navigation Table 15 Time setting subscreens Screen Display/setting item...

  • Page 38: Password Authentication Screens

    8-5-3. Password Authentication Screens Password authentication is required in the following cases: • When setting items are changed (authentication is required only for the first time unless the user navigates to other screens using the MENU button) • When the password is changed •...

  • Page 39: Password Setting Screens

    8-5-4. Password Setting screens Figure 22 shows the password setting screen navigation. Refer to Table 17 for items that are actually displayed on the screen. SU-N Password authentication screen Password is OK SU-N-2 SU-N-3 SU-N-4 SU-N-5 SU-N Confirm pop-up [L] Cancel [E] Change Figure 22 Password setting screen navigation Default passoword is “0000”...

  • Page 40: Setting Screens

    8-6. SETTING Screens Figure 23 shows the SETTING screen navigation. For each screen, refer to the relevant chapters. 8-5. SETUP Screens 8-6-1. SETTING (S-B) Screen 8-6-2. SETTING (S-C) Screen (*1) 8-6-3. SETTING (S-D) Screen 8-6-4. SETTING (S-E) Screen SU-A Figure 23 SETTING screen navigation *1: Not displayed in Type-F.

  • Page 41: Setting (S-B) Screen

    8-6-1. SETTING (S-B) Screen Since the screen configuration differs depending on the type, the screens is explained for each type. Type-G Figure 24 to Figure 25 show the SETTING (S-B) screen navigation for Type-G. Refer to Table 18 for items that are actually displayed on the screen.
  • Page 42 ST-C ST-CD 8-8. Change Settings ST-D ST-E ST-A Figure 25 SETTING (S-B) screen navigation 2 (Type-G) KRB-5433d...
  • Page 43 Table 18 SETTING (S-B) subscreens (Type-G) Screen Display Item Setting range STEP Remarks ST-A LT SETTING 1 Long time-delay setting 1 MODE Mode OFF / TRIP (0.80 to 1.15) × In L/T CURR Pickup current 0.01 - L/T TIME Activation time limit 15.00 to 60.00 s 0.01 - Output relay...
  • Page 44 Type-F, T Figure 26 to Figure 27 show the SETTING (S-B) screen navigation for Tye-F, T. Refer to Table 19 for items that are actually displayed on the screen. ST-A ST-AD 8-8. Change Settings ST-B ST-BD Figure 26 SETTING (S-B) screen navigation 1 (Type-F, T) KRB-5433d...
  • Page 45 ST-C ST-CD 8-8. Change Settings ST-D ST-DD ST-A Figure 27 SETTING (S-B) screen navigation 2 (Type-F, T) KRB-5433d...
  • Page 46 Table 19 SETTING (S-B) subscreens (Type-F, T) Screen Display Item Setting range STEP Remarks ST-A LT SETTING 1 Long time-delay setting 1 MODE Mode OFF / TRIP SIT (power of 0.02) / VIT (power of 1) / EIT CHARACTER Characteristic (power of 2) (0.80 to 1.10) ×...

  • Page 47: Setting (S-C) Screen

    8-6-2. SETTING (S-C) Screen Figure 28 show the SETTING (S-C) screen navigation. Refer to Table 20 for items that are actually displayed on the screen. ST-F ST-G ST-H 8-8. Change Settings ST-I ST-J ST-F Figure 28 SETTING (S-C) screen navigation KRB-5433d...
  • Page 48 Table 20 SETTING (S-C) subscreens Setting range Screen Display Item STEP Remarks Type-G Type-F, T ST-F UNBALANCE Negative phase sequence MODE Mode OFF / ALARM / TRIP (0.10 to 1.00) × In U/B CURR Pickup current 0.01 - U/B TIME Activation time limit 1.0 to 30.0s Output relay...

  • Page 49: Setting (S-D) Screen

    8-6-3. SETTING (S-D) Screen Since the screen configuration differs depending on the type, the screens is explained for each type. Type-G Figure 29 and Figure 30 show the SETTING (S-D) screen navigation for Type-G. Refer to Table 21 for items that are actually displayed on the screen.
  • Page 50 ST-N3 8-8. Change Settings ST-O ST-K Figure 30 SETTING (S-D) screen navigation 2 (Type-G) KRB-5433d...
  • Page 51 Table 21 SETTING (S-D) subscreens (Type-G) Screen Display Item Setting range STEP Remarks ST-K DIFF CURRENT Differential current MODE Mode OFF / ALARM / TRIP OPERATION CB AUX state NORMAL / CB ON i1 = I1 ×ICT2 / ICT DIFF RATIO Set differential current (0.10 to 0.50) ×...
  • Page 52 Type-T Figure 31 show the SETTING (S-D) screen navigation for Type-T. Refer to Table 22 for items that are actually displayed on the screen. ST-L 8-8. Change Settings ST-L2 Figure 31 SETTING (S-D) screen navigation (Type-T) Table 22 SETTING (S-D) subscreens (Type-T) Screen Display Item...

  • Page 53: Setting (S-E) Screen

    8-6-4. SETTING (S-E) Screen Figure 32 shows the SETTING (S-E) screen navigation. Refer to Table 23 for items that are actually displayed on the screen. ST-P ST-Q 8-8. Change Settings (*1) ST-R ST-P Figure 32 SETTING (S-E) screen navigation Table 23 SETTING (S-E) subscreens Setting range Screen Display...

  • Page 54: Maintenance Screens

    8-7. MAINTENANCE Screens Figure 33 shows the MAINTENANCE screen navigation. For each screen, refer to the relevant chapters. MA-B 8-7-1. Protective function test MA-C-1 8-7-2. Relay output test MA-C-2 MA-E 8-7-3. Data Initialization Screen MA-HIST 8-7-4. History Screens Figure 33 MAINTENANCE screen navigation 1 KRB-5433d...
  • Page 55 MA-I (*1) MA-J MA-J-2 MA-B Figure 34 MAINTENANCE screen navigation 2 KRB-5433d...
  • Page 56 Table 24 MAINTENANCE subscreens Screen Display Item Setting range Remarks MA-B FUNCTION TEST Function test O/C LONG Long time-delay tripping TRIP / NONE TRIP O/C SHORT Short time-delay tripping TRIP / NONE TRIP O/C INST Instantaneous tripping TRIP / NONE TRIP O/C PTA Pre-trip alarm ALARM / NONE ALARM...

  • Page 57: Protective Function Test

    8-7-1. Protective function test Tests can be conducted using the long time-delay tripping, short time-delay tripping, instantaneous tripping, and pre-trip alarm functions. Figure 35 shows the protective function test screen transitions. Refer to Table 25 for behaviors, LED states, and other information during testing. When the test is suspended because of a particular situation(*2) or when [E] is pressed Previous screen...

  • Page 58: Relay Output Test

    8-7-2. Relay output test Test the signal output by manipulating the contacts directly. To stop the output after the relay is operating, press the [RST] button displayed at the bottom right of the screen to stop the output. (In the case of pulse output, it will be reset automatically.) Figure 36 shows the screen transition of the relay output test.

  • Page 59: Data Initialization Screen

    8-7-3. Data Initialization Screen Figure 37 shows the data initialization screen navigation. If you press the [R] button from the previous screen for the first time after moving the menu with the [M] button, the password authentication screen (P.34) is displayed. [U] or [D] buttons to switch the item to be initialized.

  • Page 60: History Screens

    8-7-4. History Screens Figure 38 shows the history (trip, alarm, event) screen navigation. Refer to Table 26 for items that are actually displayed on the screen. Latest history MA-HIST MA-F-0 MA-G-0 MA-H-0 MA-F-1 MA-G-1 MA-H-1 MA-F-2 ～ MA-F-19 MA-G-2 ～ MA-G-19 MA-H-2 ～...
  • Page 61 Table 26 History subscreens Screen Display Item Remarks MA-F-0 LATEST TRIP Trip activation data This screen displays the occurrence date and time, cause, phase, concerned value, and operating time for the latest trip activation. MA-G-0 LATEST ALARM Alarm activation data This screen displays the occurrence date and time, cause, phase, concerned value, and operating time for the latest alarm activation.

  • Page 62: Change Settings

    8-8. Change Settings When the [E] button is pressed from the previous screen for the first time after moving the menu with the [M] button, the password authentication screen (P.34) is displayed. 8-8-1. Numerical change If the value to be changed is a numerical value, you can change the numerical value of each digit with the [U] or [D] button. The [L] or [R] button is used to move the digit, but if you press the [L] button on the most significant digit, editing is canceled and the screen returns to the transition source screen.

  • Page 63: Selection Change

    8-8-2. Selection change If the value to be changed is in the selection format, switch the selection with the [U] or [D] button. Figure 40 shows the screen navigation of the selection setting. Switch the selection with [U] or [D] buttons. Previous screen (before) [L] Cancel Previous screen (after)

  • Page 64: Relay Setting Operation

    8-8-3. Relay Setting Operation Figure 41 shows the relay setting screen transitions. Refer to Table 27 for items that are actually displayed on the screen. Swith ON/OFF with [U] or [D] buttons. Previous screen (before) Move the cursor position left or right with [L] or [R] buttons [L] Cancel Previous screen (after)

  • Page 65: Display Contents Of History And Incident Screens

    8-9. Display Contents of History and Incident Screens Figure 42 shows the trip/alarm activation history screen and trip/alarm activation incident screen, and Table 28 and Table 29 explain the contents of these screens. ① ① ① ② ② ⑥ ③ ④...
  • Page 66 Table 29 Messages and the units of value for the cause of trip or alarm Cause of activation display Units of incident value Units of incident time Description ② ⑥ ④ ⑤ LONG TIME Long time-delay tripping activation SHORT TIME Short time-delay tripping activation INSTANTANIOUS INST...
  • Page 67 Figure 43 shows the event history screens, and Table 30 and Table 31 explain the contents of these screens. ① ① ⑧ ⑦ Event history screen Event history list screen Figure 43 Event history screens Table 30 Event history sbuscreens Display contents ①...

  • Page 68: Responses To Abnormal Events

    8-10. Responses to Abnormal Events  If internal CT circuit wiring is broken or another similar problem occurs, the system will blink the CPU lamp without outputting data. If the problem is resolved, the system will be reset automatically. Even if automatic reset does not occur, the system may be returned to normal operation by power cycling.
  • Page 70 Circuit Breaker Division 6-13-47 Kamihigashi, Hiranoku, Osaka 547-0002, Japan Tel: 81-6-6791-2763 Fax: 81-6-6791-2732 Web Site: http://www.terasaki.co.jp E-mail: kiki-info@terasaki.co.jp Published in Apr. 2021 Revised in Jan.2024 The contents of this manual may be subject to change without notice. Recycle paper used.

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