GE 269Plus

GE Power Management 269Plus Motor Management Relay I- 1
I FIGURES AND TABLES LIST OF FIGURES
I
APPENDIX II FIGURES AND TABLES I.1LISTOFFIGURES
Figure 1–1: ORDER CODES.....................................................................................................................1-5
Figure 2–1: PHYSICAL DIMENSIONS......................................................................................................2-1
Figure 2–2: PHASE CT DIMENSIONS......................................................................................................2-2
Figure 2–3: GROUND CT (50:0.025) 3” & 5” WINDOW............................................................................2-3
Figure 2–4: GROUND CT (50:0.025) 8” WINDOW ...................................................................................2-4
Figure 2–5: GROUND CT (x:5) DIMENSIONS..........................................................................................2-5
Figure 2–6: RELAY MOUNTING...............................................................................................................2-6
Figure 2–7: RELAY WIRING DIAGRAM (AC CONTROL POWER)..........................................................2-8
Figure 2–8: OUTPUT RELAY CONTACT STATES ..................................................................................2-9
Figure 2–9: RELAY WIRING DIAGRAM (TWO PHASE CTs).................................................................2-10
Figure 2–10: RELAY WIRING DIAGRAM (DC CONTROL POWER)......................................................2-11
Figure 2–11: REPLACING A BLOWN FUSE ..........................................................................................2-13
Figure 2–12: CORE BALANCE GROUND CT INSTALLATION (SHIELDED CABLE)............................2-16
Figure 2–13: CORE BALANCE GROUND CT INSTALLATION (UNSHIELDED CABLE) ......................2-16
Figure 2–14: RTD WIRING......................................................................................................................2-19
Figure 2–15: SERIAL COMMUNICATION LINK WIRING .......................................................................2-23
Figure 2–16: DRAWOUT RELAY PHYSICAL DIMENSIONS .................................................................2-26
Figure 2–17: DRAWOUT RELAY MOUNTING .......................................................................................2-27
Figure 2–18: DRAWOUT RELAY TYPICAL WIRING DIAGRAM............................................................2-28
Figure 2–19: CONTROL POWER WIRING.............................................................................................2-29
Figure 2–20: MPM COMMUNICATION WIRING ....................................................................................2-31
Figure 2–21: MPM MOUNTING DIMENSIONS.......................................................................................2-32
Figure 2–22: MPM TO 269 PLUS TYPICAL WIRING (4-WIRE WYE, 3 VTs).........................................2-33
Figure 2–23: MPM TO 269 PLUS TYPICAL WIRING (4-WIRE WYE, 2 VTs).........................................2-34
Figure 2–24: MPM TO 269 PLUS TYPICAL WIRING (3-WIRE DELTA, 2 VTs) .....................................2-35
Figure 2–25: MPM TO 269 PLUS TYPICAL WIRING (2 CT) ..................................................................2-36
Figure 2–26: MPM WIRING (OPEN DELTA) ..........................................................................................2-37
Figure 3–1: FRONT PANEL CONTROLS AND INDICATORS .................................................................3-1
Figure 3–2: WIRING DIAGRAM FOR CONTACTORS ...........................................................................3-51
Figure 3–3: WIRING DIAGRAM FOR BREAKERS.................................................................................3-51
Figure 3–4: STANDARD OVERLOAD CURVES WITH OVERLOAD PICKUP .......................................3-55
Figure 3–5: STANDARD OVERLOAD CURVES.....................................................................................3-57
Figure 3–6: CUSTOM CURVE EXAMPLES............................................................................................3-58
Figure 3–7: HOT MOTOR THERMAL CAPACITY REDUCTION............................................................3-61
Figure 3–8: POWER MEASUREMENT CONVENTIONS .......................................................................3-67
Figure 3–9: POWER FACTOR PHASOR DIAGRAM..............................................................................3-68
Figure 4–1: SERIAL COMMUNICATION LINK .........................................................................................4-2
Figure 5–1: SECONDARY INJECTION TEST (AC INPUT TO 269Plus) ..................................................5-2
Figure 5–2: SECONDARY INJECTION TEST (DC INPUT TO 269Plus)..................................................5-3
Figure 5–3: HI-POT TESTING...................................................................................................................5-6
Figure 6–1: HARDWARE BLOCK DIAGRAM ...........................................................................................6-2
Figure 6–2: FIRMWARE BLOCK DIAGRAM.............................................................................................6-4
Figure 7–1: THERMAL LIMIT CURVES....................................................................................................7-2
Figure 8–1: 269 PLUS COMMUNICATIONS SETUP ...............................................................................8-3
Figure 8–2: GE POWER MANAGEMENT WELCOME SCREEN .............................................................8-4
Figure A–1: UNBALANCE PHASE DIAGRAM......................................................................................... A-1
Figure A–2: UNBALANCE SYMMETRICAL COMPONENT ANALYSIS.................................................. A-1
Figure A–3: NEGATIVE TO POSITIVE SEQUENCE CURRENT RATIO ................................................ A-2
Figure B–1: THERMAL MODEL............................................................................................................... B-1
Figure B–2: RTD BIAS FEATURE............................................................................................................ B-2
Figure C–1: RTD CIRCUITRY..................................................................................................................C-1
Figure C–2: CONNECTING 6 RTDS WITH 8 WIRES.............................................................................. C-2