Ground Directional - GE 489 Instruction Manual

4 SETPOINTS
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PATH: SETPOINTS S5 CURRENT ELEMENTS

GROUND DIRECTIONAL

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GE Multilin
OPERATE
REGION
Slope 1 = 10%
0 0.5 1 1.5 2
I
RESTRAINT
Figure 4–4: DIFFERENTIAL ELEMENTS
GROUND DIRECTIONAL
ð
SUPERVISE WITH
ENTER
ð
ESCAPE DIGITAL INPUTS: Yes
GROUND DIRECTIONAL
ESCAPE
MTA: 0°
MESSAGE
GROUND DIRECTIONAL
ESCAPE
ALARM: Off
MESSAGE
ASSIGN ALARM
ESCAPE
RELAYS (2-5): ---5
MESSAGE
GROUND DIR. ALARM
ESCAPE
PICKUP: 0.05 x CT
MESSAGE
GROUND DIR. ALARM
ESCAPE
DELAY: 3.0 sec.
MESSAGE
GROUND DIR. ALARM
ESCAPE
EVENTS: Off
MESSAGE
GROUND DIRECTIONAL
ESCAPE
TRIP: Off
MESSAGE
ASSIGN TRIP
ESCAPE
RELAYS (1-4): 1---
MESSAGE
GROUND DIR. TRIP
ESCAPE
PICKUP: 0.05 x CT
MESSAGE
GROUND DIR. TRIP
ESCAPE
DELAY: 3.0 sec.
MESSAGE
489 Generator Management Relay
4.6 S5 CURRENT ELEMENTS
Slope 2 = 20%
Minimum Pickup = 0.10 x CT
4.5
2.5 3 3.5 4
(multiples of CT)
808790A2.CDR
4.6.9 GROUND DIRECTIONAL
Range: Yes, No. Seen only if a digital input is assigned to
Ground Switch Status
Range: 0°, 90°, 180°, 270°
Note: MTA = Maximum Torque Angle
Range: Off, Latched, Unlatched
Range: Any combination of Relays 2 to 5
Range: 0.05 to 20.00 × CT in steps of 0.01
Range: 0.1 to 120.0 sec. in steps of 0.1
Range: On, Off
Range: Off, Latched, Unlatched
Range: Any combination of Relays 1 to 4
Range: 0.05 to 20.00 × CT in steps of 0.01
Range: 0.1 to 120.0 sec. in steps of 0.1
5
4
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