GE 489

GE Power Management
489 Generator Management Relay F-1
APPENDIX F F.1 FIGURES AND TABLES
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APPENDIX F APPENDIX FF.1 FIGURES AND TABLES F.1.1 LIST OF FIGURES
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1–1: SINGLE LINE DIAGRAM................................................................................................................................................ 1-1
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1–2: 489 ORDER CODES...................................................................................................................................................... 1-3
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2–1: 489 DIMENSIONS.......................................................................................................................................................... 2-1
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2–2: DRAWOUT UNIT SEAL.................................................................................................................................................. 2-1
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2–3: CASE AND UNIT IDENTIFICATION LABELS................................................................................................................ 2-2
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2–4: BEND UP MOUNTING TABS......................................................................................................................................... 2-3
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2–5: PRESS LATCH TO DISENGAGE HANDLE................................................................................................................... 2-3
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2–6: ROTATE HANDLE TO STOP POSITION....................................................................................................................... 2-4
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2–7: SLIDE UNIT OUT OF CASE........................................................................................................................................... 2-4
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2–8: TERMINAL LAYOUT ...................................................................................................................................................... 2-5
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2–9: TYPICAL WIRING DIAGRAM......................................................................................................................................... 2-7
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2–10: TYPICAL WIRING (DETAIL) ........................................................................................................................................ 2-8
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2–11: CONTROL POWER CONNECTION ............................................................................................................................ 2-9
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2–13: CORE BALANCE GROUND CT INSTALLATION ...................................................................................................... 2-10
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2–12: RESIDUAL GROUND CT CONNECTION.................................................................................................................. 2-10
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2–14: LOOP POWERED TRANSDUCER CONNECTION................................................................................................... 2-11
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2–15: RTD WIRING.............................................................................................................................................................. 2-12
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2–16: RS485 COMMUNICATIONS INTERFACE................................................................................................................. 2-14
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2–17: TESTING THE 489 FOR DIELECTRIC STRENGTH ................................................................................................. 2-15
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3–1: 489 FACEPLATE............................................................................................................................................................ 3-1
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3–2: 489 DISPLAY.................................................................................................................................................................. 3-2
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3–3: 489 LED INDICATORS................................................................................................................................................... 3-2
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3–4: RS232 PROGRAM PORT .............................................................................................................................................. 3-3
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3–5: 489 KEYPAD .................................................................................................................................................................. 3-4
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4–1: INADVERTENT ENERGIZATION ................................................................................................................................ 4-21
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4–2: VOLTAGE RESTRAINT CHARACTERISTIC............................................................................................................... 4-23
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4–3: NEGATIVE SEQUENCE INVERSE TIME CURVES.................................................................................................... 4-24
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4–4: DIFFERENTIAL ELEMENTS........................................................................................................................................ 4-26
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4–5: GROUND DIRECTIONAL DETECTION....................................................................................................................... 4-28
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4–6: NEUTRAL OVERVOLTAGE DETECTION ................................................................................................................... 4-36
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4–7: LOSS OF EXCITATION R-X DIAGRAM....................................................................................................................... 4-39
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4–8: DISTANCE ELEMENT SETUP..................................................................................................................................... 4-40
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4–9: POWER MEASUREMENT CONVENTIONS................................................................................................................ 4-41
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4–10: TYPICAL TIME-CURRENT AND THERMAL LIMIT CURVES (ANSI/IEEE C37.96).................................................. 4-51
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4–11: 489 STANDARD OVERLOAD CURVES.................................................................................................................... 4-54
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4–12: CUSTOM CURVE EXAMPLE..................................................................................................................................... 4-56
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4–13: THERMAL LIMITS FOR HIGH INERTIAL LOAD ....................................................................................................... 4-57
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4–14: VOLTAGE DEPENDENT OVERLOAD CURVES....................................................................................................... 4-58
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4–15: VOLTAGE DEPENDENT OVERLOAD PROTECTION CURVES.............................................................................. 4-59
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4–16: VOLTAGE DEPENDENT O/L PROTECTION AT 80% AND 100% VOLTAGE.......................................................... 4-60
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4–17: THERMAL MODEL COOLING ................................................................................................................................... 4-62
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4–18: RTD BIAS CURVE...................................................................................................................................................... 4-64
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4–19: TRIP COIL SUPERVISION......................................................................................................................................... 4-66
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4–20: VT FUSE FAILURE .................................................................................................................................................... 4-66
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4–21: ROLLING DEMAND (15 MINUTE WINDOW) ............................................................................................................ 4-68
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4–22: PULSE OUTPUT ........................................................................................................................................................ 4-69
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7–1: SECONDARY INJECTION TEST SETUP...................................................................................................................... 7-2
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7–2: SECONDARY INJECTION SETUP #2......................................................................................................................... 7-12
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7–3: PHASE DIFFERENTIAL............................................................................................................................................... 7-14
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7–4: SECONDARY INJECTION TEST SETUP #3............................................................................................................... 7-15
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8–1: GE POWER MANAGEMENT WELCOME SCREEN...................................................................................................... 8-3
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8–2: COMMUNICATION/COMPUTER DIALOG BOX............................................................................................................ 8-4
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8–3: GRAPH ATTRIBUTE WINDOW – TRENDING ............................................................................................................ 8-10
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8–4: TRENDING................................................................................................................................................................... 8-11
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8–5: TRENDING FILE SETUP ............................................................................................................................................. 8-11
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8–6: WAVEFORM CAPTURE .............................................................................................................................................. 8-12
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8–7: PHASORS .................................................................................................................................................................... 8-13
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8–8: 489PC EVENT RECORDER ........................................................................................................................................ 8-14
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B–1: STATOR GROUND FAULT PROTECTION...................................................................................................................B-1
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B–2: PARALLEL GENERATORS WITH COMMON GROUNDING IMPEDANCE .................................................................B-2
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B–3: GROUND OVERCURRENT ELEMENT WITH DIFFERENT CURRENT SOURCE SIGNALS......................................B-3
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B–4: GROUND DIRECTIONAL ELEMENT CONCEPTUAL ARRANGEMENT......................................................................B-4