GE 489 - Page 172

6-28 489 Generator Management Relay
GE Power Management
6.3 MEMORY MAP 6 COMMUNICATIONS
6
20A9 OVERFREQUENCY TRIP LEVEL1 2501 to 7000 1 Hz F3 6050
20AA OVERFREQUENCY TRIP DELAY1 1 to 50000 1 s F2 600
20AB OVERFREQUENCY TRIP LEVEL2 2501 to 7000 1 Hz F3 6200
20AC OVERFREQUENCY TRIP DELAY2 1 to 50000 1 s F2 300
VOLTAGE ELEMENTS / NEUTRAL O/V (FUND)
20C0 NEUTRAL OVERVOLTAGE ALARM 0 to 2 1 – F115 0
20C1 ASSIGN ALARM RELAYS (2-5) 1 to 4 1 – F50 16
20C2 NEUTRAL O/V ALARM LEVEL 20 to 1000 1 V F2 30
20C3 NEUTRAL OVERVOLTAGE ALARM DELAY 1 to 1200 1 s F2 10
20C4 NEUTRAL OVERVOLTAGE ALARM EVENTS 0 to 1 1 – F105 0
20C5 NEUTRAL OVERVOLTAGE TRIP 0 to 2 1 – F115 0
20C6 ASSIGN TRIP RELAYS (1-4) 0 to 3 1 – F50 1
20C7 NEUTRAL O/V TRIP LEVEL 20 to 1000 1 V F2 50
20C8 NEUTRAL OVERVOLTAGE TRIP DELAY 1 to 1200 1 s F2 10
20C9 SUPERVISE WITH DIGITAL INPUT 0 to 1 1 – F103 0
20CA NEUTRAL O/V CURVE RESET RATE 0 to 9999 1 s F2 0
20CB NEUTRAL O/V TRIP ELEMENT 0 to 1 1 – F208 1
VOLTAGE ELEMENTS / NEUTRAL U/V (3rd)
20E0 LOW POWER BLOCKING LEVEL 2 to 99 1
×
Rated MW F14 5
20E2 LOW VOLTAGE BLOCKING LEVEL 50 to 100 1
×
Rated F3 75
20E3 NEUTRAL UNDERVOLTAGE ALARM 0 to 2 1 – F115 0
20E4 ASSIGN ALARM RELAYS (2-5) 1 to 4 1 – F50 16
20E5 NEUTRAL U/V ALARM LEVEL 5 to 200 1 V F2 5
20E6 NEUTRAL UNDERVOLTAGE ALARM DELAY 5 to 120 1 s F1 30
20E7 NEUTRAL UNDERVOLTAGE ALARM EVENTS 0 to 1 1 – F105 0
20E8 NEUTRAL UNDERVOLTAGE TRIP 0 to 2 1 – F115 0
20E9 ASSIGN TRIP RELAYS (1-4) 0 to 3 1 – F50 1
20EA NEUTRAL U/V TRIP LEVEL 5 to 200 1 V F2 10
20EB NEUTRAL UNDERVOLTAGE TRIP DELAY 5 to 120 1 s F1 30
VOLTAGE ELEMENTS / LOSS OF EXCITATION
2100 ENABLE VOLTAGE SUPERVISION 0 to 1 1 – F103 0
2101 VOLTAGE LEVEL 70 to 100 1
×
rated F3 70
2102 CIRCLE 1 TRIP 0 to 2 1 – F115 0
2103 ASSIGN CIRCLE 1 TRIP RELAYS (1-4) 0 to 3 1 – F50 1
2104 CIRCLE 1 DIAMETER 25 to 3000 1
Ω
sF2 250
2105 CIRCLE 1 OFFSET 10 to 3000 1
Ω
sF2 25
2106 CIRCLE 1 TRIP DELAY 1 to 100 1 s F2 50
2107 CIRCLE 2 TRIP 0 to 2 1 – F115 0
2108 ASSIGN CIRCLE 2 TRIP RELAYS (1-4) 0 to 3 1 – F50 1
2109 CIRCLE 2 DIAMETER 25 to 3000 1
Ω
sF2 350
210A CIRCLE 2 OFFSET 10 to 3000 1
Ω
sF2 25
210B CIRCLE 2 TRIP DELAY 1 to 100 1 s F2 50
VOLTAGE ELEMENTS / DISTANCE ELEMENT
2130 STEP UP TRANSFORMER SETUP 0 to 1 1 – F219 0
2131 FUSE FAILURE SUPERVISION 0 to 1 1 – F105 0
2132 ZONE 1 TRIP 0 to 2 1 – F115 0
2133 ASSIGN ZONE 1 TRIP RELAYS (1-4) 0 to 3 1 – F50 1
2134 ZONE 1 REACH 1 to 5000 1
Ω
sF2 100
2135 ZONE 1 ANGLE 50 to 85 1 ° F1 75
2136 ZONE 1 TRIP DELAY 0 to 1500 1 s F2 4
2137 ZONE 2 TRIP 0 to 2 1 – F115 0
2138 ASSIGN ZONE 2 TRIP RELAYS (1-4) 0 to 3 1 – F50 1
2139 ZONE 2 REACH 1 to 5000 1
Ω
sF2 100
Table 6–1: 489 MEMORY MAP (Sheet 18 of 29)
ADDR NAME RANGE STEP UNITS FORMAT DEFAULT
1, 2, 3 See Table footnotes on page 6–39