GE 489 Portable Generator User Manual


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FIGURE 1–1: SINGLE LINE DIAGRAM......................................................................................................................................................... 1
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IGURE 2–1: 489 DIMENSIONS................................................................................................................................................................. 1
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IGURE 2–2: DRAWOUT UNIT SEAL .......................................................................................................................................................... 1
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IGURE 2–3: CASE AND UNIT IDENTIFICATION LABELS............................................................................................................................... 2
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IGURE 2–4: BEND UP MOUNTING TABS................................................................................................................................................... 3
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IGURE 2–5: PRESS LATCH TO DISENGAGE HANDLE................................................................................................................................. 3
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IGURE 2–6: ROTATE HANDLE TO STOP POSITION.................................................................................................................................... 4
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IGURE 2–7: SLIDE UNIT OUT OF CASE .................................................................................................................................................... 4
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IGURE 2–8: TERMINAL LAYOUT............................................................................................................................................................... 5
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IGURE 2–9: TYPICAL WIRING DIAGRAM................................................................................................................................................... 7
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IGURE 2–10: TYPICAL WIRING (DETAIL).................................................................................................................................................. 8
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IGURE 2–11: CONTROL POWER CONNECTION......................................................................................................................................... 9
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IGURE 2–12: RESIDUAL GROUND CT CONNECTION............................................................................................................................... 10
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IGURE 2–13: CORE BALANCE GROUND CT INSTALLATION ..................................................................................................................... 10
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IGURE 2–14: LOOP POWERED TRANSDUCER CONNECTION.................................................................................................................... 11
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IGURE 2–15: RTD WIRING................................................................................................................................................................... 12
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IGURE 2–16: RS485 COMMUNICATIONS WIRING................................................................................................................................... 14
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IGURE 2–17: TESTING THE 489 FOR DIELECTRIC STRENGTH................................................................................................................. 15
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IGURE 3–1: 489 LED INDICATORS.......................................................................................................................................................... 1
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IGURE 3–2: 489 KEYPAD........................................................................................................................................................................ 2
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IGURE 3–3: GE MULTILIN WELCOME SCREEN......................................................................................................................................... 6
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IGURE 3–4: COMMUNICATION/COMPUTER DIALOG BOX ........................................................................................................................... 7
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IGURE 3–5: GRAPH ATTRIBUTE WINDOW – TRENDING........................................................................................................................... 12
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IGURE 3–6: TRENDING ......................................................................................................................................................................... 13
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IGURE 3–7: TRENDING FILE SETUP....................................................................................................................................................... 13
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IGURE 3–8: WAVEFORM CAPTURE........................................................................................................................................................ 14
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IGURE 3–9: PHASORS .......................................................................................................................................................................... 15
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IGURE 3–10: 489PC EVENT RECORDER............................................................................................................................................... 16
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IGURE 4–1: INADVERTENT ENERGIZATION ............................................................................................................................................. 25
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IGURE 4–2: VOLTAGE RESTRAINT CHARACTERISTIC .............................................................................................................................. 27
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IGURE 4–3: NEGATIVE SEQUENCE INVERSE TIME CURVES .................................................................................................................... 28
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IGURE 4–4: DIFFERENTIAL ELEMENTS................................................................................................................................................... 31
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IGURE 4–5: GROUND DIRECTIONAL DETECTION .................................................................................................................................... 32
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IGURE 4–6: NEUTRAL OVERVOLTAGE DETECTION ................................................................................................................................. 40
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IGURE 4–7: LOSS OF EXCITATION R-X DIAGRAM................................................................................................................................... 43
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IGURE 4–8: DISTANCE ELEMENT SETUP................................................................................................................................................ 44
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IGURE 4–9: POWER MEASUREMENT CONVENTIONS............................................................................................................................... 45
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IGURE 4–10: TYPICAL TIME-CURRENT AND THERMAL LIMIT CURVES (ANSI/IEEE C37.96) .................................................................... 55
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IGURE 4–11: 489 STANDARD OVERLOAD CURVES ................................................................................................................................58
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IGURE 4–12: CUSTOM CURVE EXAMPLE ............................................................................................................................................... 60
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IGURE 4–13: THERMAL LIMITS FOR HIGH INERTIAL LOAD....................................................................................................................... 61
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IGURE 4–14: VOLTAGE DEPENDENT OVERLOAD CURVES ...................................................................................................................... 62
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IGURE 4–15: VOLTAGE DEPENDENT OVERLOAD PROTECTION CURVES.................................................................................................. 63
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IGURE 4–16: VOLTAGE DEPENDENT O/L PROTECTION AT 80% AND 100% VOLTAGE ............................................................................. 64
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IGURE 4–17: THERMAL MODEL COOLING.............................................................................................................................................. 66
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IGURE 4–18: RTD BIAS CURVE............................................................................................................................................................ 68
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IGURE 4–19: TRIP COIL SUPERVISION .................................................................................................................................................. 70
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IGURE 4–20: VT FUSE FAILURE LOGIC ................................................................................................................................................. 71
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IGURE 4–21: ROLLING DEMAND (15 MINUTE WINDOW) ......................................................................................................................... 73
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IGURE 4–22: PULSE OUTPUT ............................................................................................................................................................... 74
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IGURE 7–1: SECONDARY CURRENT INJECTION TESTING .......................................................................................................................... 2
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IGURE 7–2: SECONDARY INJECTION SETUP #2...................................................................................................................................... 12
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IGURE 7–3: SECONDARY INJECTION TEST SETUP #3.............................................................................................................................15
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IGURE A–1: STATOR GROUND FAULT PROTECTION................................................................................................................................. 1
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IGURE A–2: PARALLEL GENERATORS WITH COMMON GROUNDING IMPEDANCE......................................................................................... 2
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IGURE A–3: GROUND OVERCURRENT ELEMENT WITH DIFFERENT CURRENT SOURCE SIGNALS................................................................. 3
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IGURE A–4: GROUND DIRECTIONAL ELEMENT POLARITIES AND PLANE OF OPERATION ............................................................................. 3
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IGURE A–5: GROUND DIRECTIONAL ELEMENT CONCEPTUAL ARRANGEMENT............................................................................................ 4
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IGURE B–1: ANSI MODERATELY INVERSE CURVES ................................................................................................................................. 1
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IGURE B–2: ANSI NORMALLY INVERSE CURVES ..................................................................................................................................... 2
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IGURE B–3: ANSI VERY INVERSE CURVES ............................................................................................................................................. 3
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IGURE B–4: ANSI EXTREMELY INVERSE CURVES.................................................................................................................................... 4
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IGURE B–5: DEFINITE TIME CURVES....................................................................................................................................................... 5
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IGURE B–6: IAC SHORT INVERSE CURVES.............................................................................................................................................. 6
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IGURE B–7: IAC INVERSE CURVES......................................................................................................................................................... 7
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