GE 489 Instruction Manual page 267

APPENDIX A
Table A–6: SETPOINTS PAGE 6 – VOLTAGE ELEMENTS (Sheet 2 of 3)
DESCRIPTION
Underfrequency Alarm
Assign Alarm Relays
Underfrequency Alarm Level
Underfrequency Alarm Delay
Underfrequency Alarm Events
Underfrequency Trip
Assign Trip Relays
Underfrequency Trip Level1
Underfrequency Trip Delay1
Underfrequency Trip Level2
Underfrequency Trip Delay2
OVERFREQUENCY
Block Overfrequency From Online
Voltage Level Cutoff
Overfrequency Alarm
Assign Alarm Relays
Overfrequency Alarm Level
Overfrequency Alarm Delay
Overfrequency Alarm Events
Overfrequency Trip
Assign Trip Relays
Overfrequency Trip Level1
Overfrequency Trip Delay1
Overfrequency Trip Level2
Overfrequency Trip Delay2
NEUTRAL OVERVOLTAGE
Supervise With Digital Input
Neutral Overvoltage Alarm
Assign Alarm Relays
Neutral Overvoltage Alarm Level
Neutral Overvoltage Alarm Delay
Neutral Overvoltage Alarm Events
Neutral Overvoltage Trip
Assign Trip Relays
Neutral Overvoltage Trip Level
Neutral Overvoltage Trip Delay
Neutral O/V Curve Reset Rate
Neutral Overvoltage Trip Element
GE Power Management
DEFAULT USER VALUE
SETPOINT GROUP 1
Off
---5
59.50 Hz
5.0 sec.
Off
Off
1---
59.50 Hz
60.0 sec.
58.00 Hz
30.0 sec.
1.0 sec
0.50 × Rated
Off
---5
60.50 Hz
5.0 sec.
Off
Off
1---
60.50 Hz
60.0 sec.
62.00 Hz
30.0 sec.
No
Off
---5
3.0 Vsec.
1.0 sec.
Off
Off
1---
5.0 Vsec.
1.0 sec.
0.0
Definite Time
489 Generator Management Relay
A.1 COMMISSIONING
USER VALUE
SETPOINT GROUP 2
A
A-13