GE Power Management 469 Motor Management Relay E-1
APPENDIX E E.1 FIGURES AND TABLES
E
APPENDIX E APPENDIX EE.1 FIGURES AND TABLES E.1.1 LIST OF FIGURES
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1–1: SINGLE LINE DIAGRAM ........................................................................................................................ 1-1
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1–2: PROTECTION FEATURES..................................................................................................................... 1-2
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1–3: 469 ORDER CODES............................................................................................................................... 1-4
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2–1: DIMENSIONS.......................................................................................................................................... 2-1
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2–2: SEAL ON DRAWOUT UNIT.................................................................................................................... 2-1
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2–3: CASE AND UNIT IDENTIFICATION LABELS ........................................................................................ 2-2
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2–4: SINGLE AND DOUBLE 469 CUTOUT PANELS..................................................................................... 2-3
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2–5: BEND UP MOUNTING TABS ................................................................................................................. 2-3
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2–6: PRESS LATCH TO DISENGAGE HANDLE ...........................................................................................2-4
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2–7: ROTATE HANDLE TO STOP POSITION ............................................................................................... 2-4
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2–8: SLIDE UNIT OUT OF CASE ................................................................................................................... 2-5
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2–9: TERMINAL LAYOUT............................................................................................................................... 2-6
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2–10: TYPICAL WIRING DIAGRAM ............................................................................................................... 2-8
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2–11: CONTROL POWER CONNECTION..................................................................................................... 2-9
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2–12: RESIDUAL GROUND CT CONNECTION .......................................................................................... 2-10
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2–13: CORE BALANCE GROUND CT INSTALLATION............................................................................... 2-11
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2–14: CORE BALANCE METHOD................................................................................................................ 2-12
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2–15: SUMMATION METHOD...................................................................................................................... 2-12
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2–16: WYE VOLTAGE TRANSFORMER CONNECTION ............................................................................ 2-13
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2–17: LOOP POWERED TRANSDUCER CONNECTION............................................................................ 2-14
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2–18: RTD WIRING....................................................................................................................................... 2-15
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2–19: REDUCED WIRING RTDS ................................................................................................................. 2-16
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2–20: 2 WIRE RTD LEAD COMPENSATION............................................................................................... 2-17
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2–21: RTD ALTERNATE GROUNDING ....................................................................................................... 2-17
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2–22: ALTERNATE WIRING FOR CONTACTORS...................................................................................... 2-19
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2–23: RS485 COMMUNICATIONS INTERFACE ......................................................................................... 2-20
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2–24: TESTING THE 469 FOR DIELECTRIC STRENGTH.......................................................................... 2-22
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3–1: 469 FACEPLATE .................................................................................................................................... 3-1
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3–2: 469 DISPLAY .......................................................................................................................................... 3-2
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3–3: 469 LED INDICATORS ........................................................................................................................... 3-2
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3–4: RS232 PROGRAM PORT....................................................................................................................... 3-3
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3–5: 469 KEYPAD........................................................................................................................................... 3-4
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4–1: REDUCED VOLTAGE START CONTACTOR CONTROL CIRCUIT.................................................... 4-14
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4–2: REDUCED VOLTAGE STARTING CURRENT CHARACTERISTIC .................................................... 4-15
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4–3: REDUCED VOLTAGE STARTER AUXILIARY A STATUS INPUT....................................................... 4-15
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4–4: REDUCED VOLTAGE STARTER AUXILIARY B STATUS INPUT....................................................... 4-15
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4–5: REMOTE ALARM FROM MULTIPLE SOURCES................................................................................. 4-18
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4–6: REMOTE TRIP FROM MULTIPLE SOURCES..................................................................................... 4-18
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4–7: TYPICAL TIME-CURRENT AND THERMAL LIMIT CURVES (ANSI/IEEE C37.96) ............................ 4-27
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4–8: 469 STANDARD OVERLOAD CURVES............................................................................................... 4-32
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4–9: CUSTOM CURVE EXAMPLE ............................................................................................................... 4-34
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4–10: THERMAL LIMITS FOR HIGH INERTIAL LOAD................................................................................ 4-36
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4–11: VOLTAGE DEPENDENT OVERLOAD (CUSTOM CURVE)............................................................... 4-37
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4–12: VOLTAGE DEPENDENT OVERLOAD (ACCELERATION CURVES)................................................ 4-38
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4–13: VOLTAGE DEPENDENT OVERLOAD PROTECTION CURVES....................................................... 4-39
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4–14: VOLTAGE DEPENDENT OVERLOAD PROTECTION AT 80% V ..................................................... 4-40
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4–15: VOLTAGE DEPENDENT OVERLOAD PROTECTION AT 100% V ................................................... 4-41
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4–16: MEDIUM MOTOR DERATING FACTOR DUE TO UNBALANCED VOLTAGE.................................. 4-42
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4–17: THERMAL MODEL COOLING............................................................................................................ 4-43
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4–18: RTD BIAS CURVE.............................................................................................................................. 4-45
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4–19: POWER MEASUREMENT CONVENTIONS ...................................................................................... 4-67
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4–20: TRIP COIL SUPERVISION ................................................................................................................. 4-74
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4–21: ROLLING DEMAND (15 MINUTE WINDOW)..................................................................................... 4-76
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7–1: SECONDARY INJECTION TEST SETUP .............................................................................................. 7-1
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7–2: THREE PHASE EXAMPLE FOR UNBALANCE CALCULATION ......................................................... 7-11
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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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