GE G60

GE Multilin G60 Generator Protection System 2-21
2 PRODUCT DESCRIPTION 2.2 SPECIFICATIONS
2
2.2.3 MONITORING
OSCILLOGRAPHY
Maximum records: 64
Sampling rate: 64 samples per power cycle
Triggers: any element pickup, dropout, or operate;
contact input change of state; contact
output change of state; FlexLogic equa-
tion
Data: AC input channels; element state; con-
tact input state; contact output state
Data storage: in non-volatile memory
EVENT RECORDER
Capacity: 1024 events
Time-tag: to 1 microsecond
Triggers: any element pickup, dropout, or operate;
contact input change of state; contact
output change of state; self-test events
Data storage: in non-volatile memory
USER-PROGRAMMABLE FAULT REPORT
Number of elements: 2
Pre-fault trigger: any FlexLogic operand
Fault trigger: any FlexLogic operand
Recorder quantities: 32 (any FlexAnalog
TM
value)
DATA LOGGER
Number of channels: 1 to 16
Parameters: any available analog actual value
Sampling rate: 15 to 3600000 ms in steps of 1
Trigger: any FlexLogic operand
Mode: continuous or triggered
Storage capacity: (NN is dependent on memory)
1-second rate:
01 channel for NN days
16 channels for NN days
↓
60-minute rate:
01 channel for NN days
16 channels for NN days
PHASOR MEASUREMENT UNIT
Output format: per IEEE C37.118 or IEC 61850-90-5
standard
Number of channels: 14 synchrophasors, 8 analogs, 16 digi-
tals
TVE (total vector error) <1%
Triggering: frequency, voltage, current, power, rate
of change of frequency, user-defined
Reporting rate: 1, 2, 5, 10, 12, 15, 20, 25, 30, 50, or 60
times per second for P and M class, and
100 or 120 times per second for P class
only
Number of clients: One over TCP/IP port and one over
UDP/IP per aggregator
AC ranges: As indicated in appropriate specifications
sections
Network reporting format: 16-bit integer (for C37.118) or 32-bit
IEEE floating point numbers
Network reporting style: rectangular (real and imaginary for
C37.188) or polar (magnitude and angle)
coordinates
Post-filtering: none, 3-point, 5-point, 7-point
Calibration: ±5° (angle) and ±5% (magnitude)
2.2.4 METERING
RMS CURRENT: PHASE, NEUTRAL, AND GROUND
Accuracy at
0.1 to 2.0 × CT rating: ±0.25% of reading or ±0.1% of rated
(whichever is greater)
> 2.0 × CT rating: ±1.0% of reading
RMS VOLTAGE
Accuracy: ±0.5% of reading from 10 to 208 V
REAL POWER (WATTS)
Accuracy at 0.1 to 1.5 x
CT rating and 0.8 to
1.2 x VT rating: ±1.0% of reading at –1.0 ≤ PF< –0.8 and
0.8 < PF ≤ 10
REACTIVE POWER (VARS)
Accuracy at 0.1 to 1.5 x
CT rating and 0.8 to
1.2 x VT rating: ±1.0% of reading at –0.2 ≤ PF ≤ 0.2
APPARENT POWER (VA)
Accuracy at 0.1 to 1.5 x
CT rating and 0.8 to
1.2 x VT rating: ±1.0% of reading
WATT-HOURS (POSITIVE AND NEGATIVE)
Accuracy: ±2.0% of reading
Range: ±0 to 1 × 10
6
MWh
Parameters: three-phase only
Update rate: 50 ms