GE C60 Instruction Manual page 309

Multilin breaker management relay ur series
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APPENDIX F
F.2 TABLES AND FIGURES
Figure 5–19: BREAKER FAILURE 1-POLE (TIMERS) [Sheet 2 of 2] .............................................................................................. 5-55
Figure 5–20: BREAKER FAILURE 3-POLE [INITIATE] (Sheet 1 of 2) ............................................................................................. 5-56
Figure 5–21: BREAKER FAILURE 3-POLE [TIMERS] (Sheet 2 of 2) .............................................................................................. 5-57
Figure 5–22: INVERSE TIME UNDERVOLTAGE CURVES............................................................................................................. 5-58
Figure 5–23: PHASE UV1 SCHEME LOGIC .................................................................................................................................... 5-59
Figure 5–24: AUXILIARY UNDERVOLTAGE SCHEME LOGIC....................................................................................................... 5-60
Figure 5–25: AUXILIARY OVERVOLTAGE SCHEME LOGIC ......................................................................................................... 5-61
Figure 5–26: EXAMPLE FLEXLOGIC™ CONTROL OF A SETTINGS GROUP .............................................................................. 5-62
Figure 5–27: SYNCHROCHECK SCHEME LOGIC.......................................................................................................................... 5-66
Figure 5–28: SINGLE-POLE AUTORECLOSE LOGIC (SHEET 1 OF 3) ......................................................................................... 5-74
Figure 5–29: SINGLE-POLE AUTORECLOSE LOGIC (SHEET 2 OF 3) ......................................................................................... 5-75
Figure 5–30: SINGLE-POLE AUTORECLOSE LOGIC (SHEET 3 OF 3) ......................................................................................... 5-76
Figure 5–31: EXAMPLE RECLOSING SEQUENCE......................................................................................................................... 5-77
Figure 5–32: DIGITAL ELEMENT SCHEME LOGIC ........................................................................................................................ 5-78
Figure 5–33: TRIP CIRCUIT EXAMPLE 1 ........................................................................................................................................ 5-79
Figure 5–34: TRIP CIRCUIT EXAMPLE 2 ........................................................................................................................................ 5-80
Figure 5–35: DIGITAL COUNTER SCHEME LOGIC........................................................................................................................ 5-82
Figure 5–36: ARCING CURRENT MEASUREMENT ....................................................................................................................... 5-84
Figure 5–37: BREAKER ARCING CURRENT SCHEME LOGIC...................................................................................................... 5-84
Figure 5–38: INPUT CONTACT DEBOUNCING MECHANISM AND TIME-STAMPING SAMPLE TIMING .................................... 5-86
Figure 5–39: VIRTUAL INPUTS SCHEME LOGIC ........................................................................................................................... 5-87
Figure 6–1: FLOW DIRECTION OF SIGNED VALUES FOR WATTS AND VARS ............................................................................ 6-6
Figure 6–2: UR PHASE ANGLE MEASUREMENT CONVENTION ................................................................................................... 6-7
Figure 6–3: ILLUSTRATION OF THE UR CONVENTION FOR SYMMETRICAL COMPONENTS ................................................... 6-8
Figure 6–4: EQUIVALENT SYSTEM FOR FAULT LOCATION ........................................................................................................ 6-14
Figure 6–5: FAULT LOCATOR SCHEME......................................................................................................................................... 6-15
F
GE Multilin
C60 Breaker Management Relay
F-5

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