Distance Element - GE 489 Instruction Manual

4 SETPOINTS
where: Z = primary ohms impedance
primary
CT Ratio = programmed CT ratio, if CT ratio is 1200:5 use a value of 1200 / 5 = 240
VT Ratio = programmed VT ratio, if VT ratio is 100:1 use a value of 100
PATH: SETPOINTS S6 VOLTAGE ELEMENTS

DISTANCE ELEMENT

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GE Multilin
Figure 4–7: LOSS OF EXCITATION R-X DIAGRAM
DISTANCE ELEMENT
ð
STEP UP TRANSFORMER
ENTER
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ESCAPE SETUP: None
FUSE FAILURE
ESCAPE
SUPERVISION: On
MESSAGE
ZONE #1
ESCAPE
TRIP: Off
MESSAGE
ASSIGN ZONE #1 TRIP
ESCAPE
RELAYS (1-4): 1---
MESSAGE
ZONE #1
ESCAPE
REACH: 10.0 Ωsec
MESSAGE
ZONE #1
ESCAPE
ANGLE: 75°
MESSAGE
ZONE #1 TRIP
ESCAPE
DELAY: 0.4 s
MESSAGE
ZONE #2
ESCAPE
TRIP: Off
MESSAGE
ASSIGN ZONE #2 TRIP
ESCAPE
RELAYS (1-4): 1---
MESSAGE
ZONE #2
ESCAPE
REACH: 15.0 Ωsec
MESSAGE
ZONE #2
ESCAPE
ANGLE: 75°
MESSAGE
ZONE #2 TRIP
ESCAPE
DELAY: 2.0 s
MESSAGE
489 Generator Management Relay
4.7 S6 VOLTAGE ELEMENTS
4.7.10 DISTANCE ELEMENT
Range: None, Delta/Wye
Range: On, Off
Range: Off, Latched, Unlatched
Range: Any combination of Relays 1 to 4
Range: 0.1 to 500.0 Ωsec in steps of 0.1
Range: 50 to 85° in steps of 1
Range: 0.0 to 150.0 s in steps of 0.1
Range: Off, Latched, Unlatched
Range: Any combination of Relays 1 to 4
Range: 0.1 to 500.0 Ωsec in steps of 0.1
Range: 50 to 85° in steps of 1
Range: 0.0 to 150.0 s in steps of 0.1
4
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