GE GEK 106168E - Manual (Page 4)

TABLE OF CONTENTS
GEK-106168E DBF Breaker Failure Protection i
TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS
1. GENERAL DESCRIPTION AND APPLICATION ........................................................................................... 1
1.1. GENERAL DESCRIPTION ................................................................................................................................. 1
2. OPERATION LOGIC ...................................................................................................................................... 3
2.1. PROTECTION FUNCTIONS .............................................................................................................................. 3
2.1.1. Overcurrent units.......................................................................................................................................... 3
2.2. MONITORING AND RECORDING FUNCTIONS.............................................................................................. 5
2.2.1 Measurement ............................................................................................................................................... 5
2.2.2 Associated Breaker Status........................................................................................................................... 5
2.2.3 Target Lamps ............................................................................................................................................... 5
2.2.4 Circuit Breaker Breaking Capacity Monitoring ............................................................................................. 9
2.2.5 Built-in Self-Checking Unit.......................................................................................................................... 10
2.3. A NALYSIS F UNCTIONS . ........................................................................................................................................ 10
2.3.1 Event Recorder. .......................................................................................................................................... 10
2.3.1 Oscillography .............................................................................................................................................. 10
2.4. C ONTROL .......................................................................................................................................................... 12
2.4.1 Tables of Settings ...................................................................................................................................... 12
2.4.2 Time Synchronization.................................................................................................................................. 13
2.4.3 Configurable Inputs and Outputs ............................................................................................................... 13
2.5. M AN - MACHINE I NTERFACE (HMI) ........................................................................................................................ 15
2.6. R EMOTE C OMMUNICATIONS ................................................................................................................................ 16
3. SETTINGS .................................................................................................................................................... 17
4. TECHNICAL CHARACTERISTICS .............................................................................................................. 21
4.1. M ODEL L IST ....................................................................................................................................................... 21
4.1.1. Special Models ........................................................................................................................................... 21
4.2. T ECHNICAL C HARACTERISTICS ............................................................................................................................ 22
5. HARDWARE DESCRIPTION ....................................................................................................................... 25
5.1. P HYSICAL D ESCRIPTION ..................................................................................................................................... 25
5.1.1. Case .......................................................................................................................................................... 25
5.1.2. Electrical Connections............................................................................................................................... 25
5.1.3. Internal Construction ................................................................................................................................. 25
5.2. O PERATING T HEORY .......................................................................................................................................... 27
5.2.1. Magnetic Module ....................................................................................................................................... 27
5.2.2. CPU Board ................................................................................................................................................ 27
5.2.3 Power Supply ............................................................................................................................................. 28
5.2.4 Keyboard and Display ................................................................................................................................ 28
6. ACCEPTANCE TESTS................................................................................................................................. 29
6.1. C ONNECTIONS AND N ECESSARY E QUIPMENT ...................................................................................................... 29
6.2. V ISUAL I NSPECTION ........................................................................................................................................... 29
6.3. P ANEL I NSULATION T ESTS .................................................................................................................................. 29
6.4. R ELAY S ETTING ................................................................................................................................................. 30
6.5. I NDICATORS ........................................................................................................................................................ 30
6.6. P OWER S UPPLY ................................................................................................................................................. 30
6.7. C OMMUNICATIONS .............................................................................................................................................. 31
6.8. I NPUTS ............................................................................................................................................................... 32
6.8.1 Digital inputs................................................................................................................................................ 32
6.8.2 IRIG-B Synchronizing Input........................................................................................................................ 32
6.9. F UNCTIONS ......................................................................................................................................................... 33
6.9.1 50BF 1P Unit Test ...................................................................................................................................... 33
6.9.2 50BF 3P Unit Test ...................................................................................................................................... 34
6.9.3 Internal Arc Test......................................................................................................................................... 35
6.9.4 3P NO I FUNCTION.................................................................................................................................... 35