GE Power Management 750/760 Feeder Management Relay A-
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APPENDIX A A.1 FIGURES AND TABLES
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APPENDIX A FIGURES AND TABLESA.1 FIGURES AND TABLES A.1.1 LIST OF FIGURES
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1–1: PROTECTION ONE LINE DIAGRAM ..................................................................................................... 1-4
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1–2: SIGNAL PROCESSING OF AC CURRENT INPUTS ........................................................................... 1-16
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1–3: HARDWARE BLOCK DIAGRAM .......................................................................................................... 1-18
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2–1: PANEL KEYING EXAMPLE.................................................................................................................... 2-2
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3–1: CASE DIMENSIONS............................................................................................................................... 3-1
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3–2: DRAWOUT CASE SEAL......................................................................................................................... 3-1
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3–3: SINGLE AND DOUBLE UNIT PANEL CUTOUTS .................................................................................. 3-2
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3–4: CASE MOUNTING TABS........................................................................................................................ 3-2
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3–5: PRESS LATCH UP AND PULL HANDLE ............................................................................................... 3-3
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3–6: ROTATING HANDLE TO STOP POSITION ........................................................................................... 3-3
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3–7: SLIDING THE UNIT OUT OF THE CASE............................................................................................... 3-4
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3–8: REAR TERMINAL LAYOUT.................................................................................................................... 3-5
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3–9: TYPICAL WIRING DIAGRAM ................................................................................................................. 3-7
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3–10: GROUND INPUTS................................................................................................................................ 3-9
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3–11: SENSITIVE GROUND INPUTS ............................................................................................................ 3-9
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3–12: RESTRICTED EARTH FAULT INPUTS.............................................................................................. 3-10
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3–13: ZERO SEQUENCE (CORE BALANCE) CT INSTALLATION ............................................................. 3-11
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3–14: LINE VT CONNECTIONS ................................................................................................................... 3-11
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3–15: CONTROL POWER CONNECTION................................................................................................... 3-12
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3–16: TRIP / CLOSE COIL SUPERVISION CONNECTION......................................................................... 3-13
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3–17: DRY AND WET CONTACT CONNECTIONS ..................................................................................... 3-14
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3–18: ANALOG OUTPUT CONNECTION .................................................................................................... 3-15
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3–19: RS485 CONNECTION ........................................................................................................................ 3-16
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3–20: RS422 CONNECTION ........................................................................................................................ 3-17
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3–21: RS232 CONNECTION ........................................................................................................................ 3-18
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3–22: IRIG-B CONNECTION ........................................................................................................................ 3-18
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4–1: ABOUT 750PC SCREEN........................................................................................................................ 4-2
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4–2: GE POWER MANAGEMENT WELCOME SCREEN.............................................................................. 4-3
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4–3: 750/760 PC PROGRAM PRIMARY WINDOW........................................................................................ 4-4
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4–4: SETPOINT, ACTUAL, COMMANDS, AND VIEW MENUS..................................................................... 4-5
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4–5: COMMUNICATION / COMPUTER DIALOG BOX .................................................................................. 4-6
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4–6: UPGRADE RELAY FIRMWARE WARNING........................................................................................... 4-7
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4–7: ANALOG BOARD FIRMWARE DIALOG BOX........................................................................................ 4-7
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4–8: S2 SETPOINTS ENTRY DIALOG BOX .................................................................................................. 4-8
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4–9: A2 METERING DIALOG BOX................................................................................................................. 4-9
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4–10: SAVE AS DIALOG BOX...................................................................................................................... 4-10
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4–11: OPEN FILE DIALOG BOX .................................................................................................................. 4-10
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4–12: USER MAP VALUES WINDOW.......................................................................................................... 4-11
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4–13: WAVEFORM CAPTURE WINDOW .................................................................................................... 4-12
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4–14: GRAPH ATTRIBUTES DIALOG BOX................................................................................................. 4-12
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5–1: FRONT PANEL DESCRIPTION.............................................................................................................. 5-1
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6–1: ACTUAL VALUES BLOCK DIAGRAM (1 OF 2)......................................................................................6-2
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6–2: ACTUAL VALUES BLOCK DIAGRAM (2 OF 2)......................................................................................6-3
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6–3: POWER QUANTITY RELATIONSHIPS................................................................................................ 6-12
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11–1: OUTPUT RELAY 1 TRIP..................................................................................................................... 11-3
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11–2: OUTPUT RELAY 2 CLOSE................................................................................................................. 11-4
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11–3: OUTPUT RELAYS 3-7 AUXILIARY .................................................................................................... 11-6
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11–4: OUTPUT RELAY 8 SELF-TEST WARNING....................................................................................... 11-7
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12–1: PHASE A DIRECTIONAL OVERCURRENT POLARIZING................................................................ 12-6
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12–2: VOLTAGE RESTRAINT CHARACTERISTIC FOR PHASE-TIME OVERCURRENT......................... 12-8
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12–3: PHASE TIME OVERCURRENT LOGIC DIAGRAM (1 OF 2) ............................................................. 12-9
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12–4: PHASE TIME OVERCURRENT LOGIC DIAGRAM (2 OF 2) ........................................................... 12-10
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12–5: PHASE INSTANTANEOUS OVERCURRENT LOGIC DIAGRAM.................................................... 12-12
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12–6: PHASE DIRECTIONAL LOGIC DIAGRAM....................................................................................... 12-15
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12–7: NEUTRAL TIME OVERCURRENT LOGIC DIAGRAM ..................................................................... 12-17
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12–8: NEUTRAL INSTANTANEOUS OVERCURRENT LOGIC DIAGRAM ............................................... 12-19
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12–9: NEUTRAL DIRECT VOLTAGE POLARIZING .................................................................................. 12-20
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