GE Multilin 489

CHAPTER 5: SETPOINTS
489 GENERATOR MANAGEMENT RELAY – INSTRUCTION MANUAL 5–101
5.13.2 Pre-Fault Setup
PATH: SETPOINTS ZV S12 489 TESTING ZV PRE-FAULT SETUP
The values entered under Pre-Fault Values will be substituted for the measured values in
the 489 when the SIMULATION MODE is “Simulate Pre-Fault”.
 PRE-
FAULT [Z]
PRE-FAULT Iphase
OUTPUT: 0.00 x CT
Range: 0.00 to 20.00 × CT in steps of
0.01
MESSAGE
PRE-FAULT VOLTAGES
PHASE-N: 1.00 x Rated
Range: 0.00 to 1.50 × Rated in steps of
0.01. Enter as a phase-to-
neutral quantity.
MESSAGE
PRE-FAULT CURRENT
LAGS VOLTAGE: 0°
Range: 0 to 359° in steps of 1
MESSAGE
PRE-FAULT Iphase
NEUTRAL: 0.00 x CT
Range: 0.00 to 20.00 × CT in steps of
0.01 180° phase shift with
respect to Iphase OUTPUT
MESSAGE
PRE-FAULT CURRENT
GROUND: 0.00 x CT
Range: 0.00 to 20.00 × CT in steps of
0.01. CT is either XXX:1 or
50:0.025
MESSAGE
PRE-FAULT VOLTAGE
NEUTRAL: 0 Vsec
Range 0.0 to 100.0 Vsec in steps of 0.1
Fundamental value only in
secondary units
MESSAGE
PRE-FAULT STATOR
RTD TEMP: 40°C
Range: –50 to 250°C in steps of 1
MESSAGE
PRE-FAULT BEARING
RTD TEMP: 40°C
Range: –50 to 250°C in steps of 1
MESSAGE
PRE-FAULT OTHER
RTD TEMP: 40°C
Range: –50 to 250°C in steps of 1
MESSAGE
PRE-FAULT AMBIENT
RTD TEMP: 40°C
Range: –50 to 250°C in steps of 1
MESSAGE
PRE-FAULT SYSTEM
FREQUENCY: 60.0 Hz
Range: 5.0 to 90.0 Hz in steps of 0.1
MESSAGE
PRE-FAULT ANALOG
INPUT 1: 0%
Range: 0 to 100% in steps of 1
MESSAGE
PRE-FAULT ANALOG
INPUT 2: 0%
Range: 0 to 100% in steps of 1
MESSAGE
PRE-FAULT ANALOG
INPUT 3: 0%
Range: 0 to 100% in steps of 1
MESSAGE
PRE-FAULT ANALOG
INPUT 4: 0%
Range: 0 to 100% in steps of 1
Courtesy of NationalSwitchgear.com