IMM 8001/8002 – Digital Motor Protection Relay ICE / CEE
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IMU307-1 GB Ind. B 1
CONTENTS
1 - INTRODUCTION........................................................................................................................................................................ 3
1.1. PRESENTATION OF IMM 8001 AND IMM 8002 RELAYS............................................................................................... 3
1.1.1. Protection function table ...................................................................................................................................... 4
1.1.2. Table of measurements performed........................................................................................................... 5
1.1.3. Table of digital inputs.............................................................................................................................. 6
1.1.4. Functions related to start control orders................................................................................... 6
1.2. PURCHASE ORDER REFERENCES ................................................................................................................................7
1.3. CONNECTION DIAGRAM RATINGS TO BE CONFIGURED ON SITE ............................................................7
2 – MECHANICAL INSTALLATION ............................................................................................................................................ 8
2.1. INTRODUCTION...................................................................................................................................................8
2.2. OVERALL DIMENSIONS AND MECHANICAL CUT-OUT DRAWING...............................................................9
3 – ELECTRICAL INSTALLATION .......................................................................................................................................... 10
3.1. GENERALITY.....................................................................................................................................................10
3.2. CONNECTION DIAGRAMS .................................................................................................................................10
3.3. TERMINAL BLOCK DESCRIPTION..................................................................................................................12
3.4. AUXILIARY VOLTAGE CONNECTION..............................................................................................................14
3.5. CONNECTION OF THE CURRENTS (PHASES + EARTH FAULT)................................................................14
3.6. MEASUREMENT VOLTAGE CONNECTION .........................................................................................................17
3.7. CONNECTION OF RTDS CABLES...................................................................................................................17
3.8. RELAY OUTPUT CONNECTION.........................................................................................................................18
3.9. DIGITAL INPUT CONNECTION ......................................................................................................................18
3.10 EXTERNAL COMMUNICATION CONNECTION (DB9 REAR SOCKET) ........................................................19
3.10.1. 0-20 mA current loop configuration............................................................................................ 19
3.10.2. RS 485 configuration............................................................................................................................. 19
3.11. COMMUNICATION CONNECTION (DB9 FRONT SOCKET)..........................................................................20
4 – OPERATOR DIALOGUE......................................................................................................................................................... 21
4.1. FRONT PANEL...................................................................................................................................................21
4.2. LOCAL OPERATOR DIALOGUE.........................................................................................................................22
4.2.1. Man-machine interface general operation, items ..................................................................... 22
4.2.2. Measurements – Present status - Statistics............................................................................... 23
4.2.3. Protection parameters, reference variables............................................................................... 23
4.2.4. Configuration - Resets .............................................................................................................................. 26
4.2.5. Microdiagnostic messages.......................................................................................................................... 27
4.2.6. Password................................................................................................................................................................ 27
4.2.7. Counter reset.................................................................................................................................................... 27
4.2.8. Emergency restart : ERST key................................................................................................................ 28
4.2.9. Latching of relay P...................................................................................................................................... 28
4.2.10. Fault display (Operating level reached, alarm, trip, restart inhibited)...... 29
4.2.11. Consultation of last 5 events (alarms, trips, starts)................................................. 30
4.2.12. Consultation of start related measurements........................................................................... 30
4.2.13. Tables of parameters ............................................................................................................................... 30
4.3. REMOTE OPERATOR DIALOGUE - TRACE.....................................................................................................30
5 – FUNCTIONS – VERIFICATIONS - COMMISSIONING ............................................................................................... 31
5.1. PRELIMINARY VERIFICATIONS ....................................................................................................................31
5.2. TEST EQUIPMENT ............................................................................................................................................32
5.3. PROTECTION AGAINST THERMAL OVERLOADS [49].................................................................................33
5.4. PROTECTION AGAINST TEMPERATURE RISES [26] IMM 8002 ONLY.......................................................42
5.5 START AUTHORISATION FUNCTION [5].....................................................................................................46
5.6. TOO LONG START PROTECTION [48] .........................................................................................................52
5.7. ROTOR STALLING AFTER START [51STALL] ...............................................................................................56
