GE 489 Instruction Manual page 269

APPENDIX A
Table A–7: SETPOINTS PAGE 7 – POWER ELEMENTS
DESCRIPTION
REACTIVE POWER
Block Mvar Element From Online
Reactive Power Alarm
Assign Alarm Relays
Positive Mvar Alarm Level
Negative Mvar Alarm Level
Positive Mvar Alarm Delay
Negative Mvar Alarm Delay
Reactive Power Alarm Events
Reactive Power Trip
Assign Trip Relays
Positive Mvar Trip Level
Negative Mvar Trip Level
Positive Mvar Trip Delay
Negative Mvar Trip Delay
REVERSE POWER
Block Reverse Power From Online
Reverse Power Alarm
Assign Alarm Relays
Reverse Power Alarm Level
Reverse Power Alarm Delay
Reverse Power Alarm Events
Reverse Power Trip
Assign Trip Relays
Reverse Power Trip Level
Reverse Power Trip Delay
LOW FORWARD POWER
Block Low Fwd Power From Online
Low Forward Power Alarm
Assign Alarm Relays
Low Forward Power Alarm Level
Low Forward Power Alarm Delay
Low Forward Power Alarm Events
Low Forward Power Trip
Assign Trip Relays
Low Forward Power Trip Level
Low Forward Power Trip Delay
GE Power Management
DEFAULT USER VALUE
SETPOINT GROUP 1
1 sec.
Off
---5
0.85 × Rated
0.85 × Rated
10.0 sec.
10.0 sec.
Off
Off
1---
0.80 × Rated
0.80 × Rated
20.0 sec.
20.0 sec.
1 sec.
Off
---5
0.05 × Rated MW
10.0 sec.
Off
Off
1---
0.05 × Rated MW
20.0 sec.
0 sec.
Off
---5
0.05 × Rated MW
10.0 sec.
Off
Off
1---
0.05 × Rated MW
20.0 sec.
489 Generator Management Relay
A.1 COMMISSIONING
USER VALUE
SETPOINT GROUP 2
A
A-15