GE 489

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