Table Of Contents - GE GEK 106168E Instructions Manual

Digital breaker failure protection
Table of Contents

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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
2.3.1 Event Recorder. .......................................................................................................................................... 10
2.3.1 Oscillography .............................................................................................................................................. 10
.......................................................................................................................................................... 12
2.4.1 Tables of Settings ...................................................................................................................................... 12
2.4.2 Time Synchronization.................................................................................................................................. 13
2.4.3 Configurable Inputs and Outputs ............................................................................................................... 13
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3.
SETTINGS .................................................................................................................................................... 17
4.
TECHNICAL CHARACTERISTICS .............................................................................................................. 21
....................................................................................................................................................... 21
4.1.1. Special Models ........................................................................................................................................... 21
5.
HARDWARE DESCRIPTION ....................................................................................................................... 25
5.1.1. Case.......................................................................................................................................................... 25
5.1.2. Electrical Connections............................................................................................................................... 25
5.1.3. Internal Construction ................................................................................................................................. 25
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
................................................................................................................................................. 30
........................................................................................................................................................ 30
................................................................................................................................................. 30
.............................................................................................................................................. 31
............................................................................................................................................................... 32
6.8.1 Digital inputs................................................................................................................................................ 32
6.8.2 IRIG-B Synchronizing Input........................................................................................................................ 32
......................................................................................................................................................... 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

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DBF Breaker Failure Protection
...................................................................................................... 29
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