GE 489 Instruction Manual page 268

A.1 COMMISSIONING
Table A–6: SETPOINTS PAGE 6 – VOLTAGE ELEMENTS (Sheet 3 of 3)
A
DESCRIPTION
NEUTRAL UNDERVOLTAGE (3RD HARMONIC)
Low Power Blocking Level
Low Voltage Blocking Level
Neutral Undervoltage Alarm
Assign Alarm Relays
Neutral Undervoltage Alarm Level
Neutral Undervoltage Alarm Delay
Neutral Undervoltage Alarm Events
Neutral Undervoltage Trip
Assign Trip Relays
Neutral Undervoltage Trip Level
Neutral Undervoltage Trip Delay
LOSS OF EXCITATION
Enable Voltage Supervision
Voltage Level
Circle 1 Trip
Assign Circle 1 Trip Relays
Circle 1 Diameter
Circle 1 Offset
Circle 1 Trip Delay
Circle 2 Trip
Assign Circle 2 Trip Relays
Circle 2 Diameter
Circle 2 Offset
Circle 2 Trip Delay
DISTANCE ELEMENTS
Step Up Transformer Setup
Fuse Failure Supervision
Zone #1 Trip
Assign Zone #1 Trip Relays
Zone #1 Reach
Zone #1 Angel
Zone #1 Trip Delay
Zone #2 Trip
Assign Zone #2 Trip Relays
Zone #2 Reach
Zone #2 Angle
Zone #2 Trip Delay
A-14
DEFAULT USER VALUE
SETPOINT GROUP 1
0.05 × Rated MW
0.75 × Rated
Off
---5
0.5 Vsec.
30.0 sec.
Off
Off
1---
1.0 Vsec.
30.0 sec.
Yes
0.70 × Rated
Off
1---
25.0 Ωsec.
2.5 Ωsec.
5.0 sec.
Off
1---
35.0 Ωsec.
2.5 Ωsec.
5.0 sec.
None
On
Off
1---
10.0 Ωsec.
75°
0.4 sec.
Off
1---
15.0 Ωsec.
75°
2.0 sec.
489 Generator Management Relay
APPENDIX A
USER VALUE
SETPOINT GROUP 2
GE Power Management