GE Multilin 489 User Manual

CHAPTER 6: ACTUAL VALUES
489 GENERATOR MANAGEMENT RELAY – INSTRUCTION MANUAL 6–5
6.2.3 Last Trip Data
PATH: ACTUAL VALUES Z A1 STATUS ZV LAST TRIP DATA
 LAST TRIP [Z]
DATA
CAUSE OF LAST TRIP:
No Trip to Date
Range: see Note below.
MESSAGE
TIME OF LAST TRIP:
09:00:00.00
Range: hour:min:sec
MESSAGE
DATE OF LAST TRIP:
Jan 01 1995
Range: Month Day Year
MESSAGE
TACHOMETER
PRETRIP: 3600 RPM
Range: 0 to 3600 RPM. Seen only if
Tachometer is assigned.
MESSAGE
A: 0 B: 0
C: 0 A PreTrip
Range: 0 to 999999 A. Represents
current measured from output
CTs. Seen only if a trip has
occurred.
MESSAGE
a: 0 b: 0
c: 0 A PreTrip
Range: 0 to 999999 A. Represents
differential current. Seen only if
differential element is enabled.
MESSAGE
NEG. SEQ. CURRENT
PRETRIP: 0% FLA
Range: 0 to 2000% FLA. Seen only if
there has been a trip.
MESSAGE
GROUND CURRENT
PRETRIP: 0.00 A
Range: 0.00 to 200000.00 A. Not seen if
GROUND CT is “None”
MESSAGE
GROUND CURRENT
PRETRIP: 0.00 Amps
Range: 0.0 to 5000.0 A
MESSAGE
Vab: 0 Vbc: 0
Vca: 0 V PreTrip
Range: 0 to 50000 V. Not seen if VT
CONNECTION
is “None”
MESSAGE
FREQUENCY
PRETRIP: 0.00 Hz
Range: 0.00 to 90.00 Hz. Not seen if VT
CONNECTION
is “None”
MESSAGE
NEUTRAL VOLT (FUND)
PRETRIP: 0.0 V
Range: 0.0 to 25000.0 V. Seen only if
there is a neutral VT.
MESSAGE
NEUTRAL VOLT (3rd)
PRETRIP: 0.0 V
Range: 0.0 to 25000.0 V. Seen only if
there is a neutral VT.
MESSAGE
REAL POWER (MW)
PRETRIP: 0.000
Range: 0.000 to ±2000.000 MW. Not
seen if
VT CONNECTION is
“None”
MESSAGE
REACTIVE POWER Mvar
PRETRIP: 0.00 Hz
Range: 0.000 to ±2000.000 Mvar. Not
seen if
VT CONNECTION is
“None”
MESSAGE
APPARENT POWER MVA
PRETRIP: 0.00 Hz
Range: 0.000 to ±2000.000 MVA. Not
seen if
VT CONNECTION is
“None”
MESSAGE
HOTTEST STATOR RTD
RTD #1: 0°C PreTrip
Range: –50 to 250°C. Seen only if at
least one RTD is “Stator”
MESSAGE
HOTTEST BEARING RTD
RTD #7: 0°C PreTrip
Range: –50 to 250°C. Seen only if at
least one RTD is “Bearing”
MESSAGE
HOTTEST OTHER RTD
RTD #11: 0°C PreTrip
Range: –50 to 250°C. Seen only if at
least one RTD is “Other”
Courtesy of NationalSwitchgear.com

GE Multilin 489 Specifications

General

Brand	GE
Model	Multilin 489
Category	Relays
Language	English