Monitoring; Metering - GE N60 Instruction Manual
Ur series network stability and synchrophasor measurement system
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2 PRODUCT DESCRIPTION
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
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
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
±1.0% of reading at –1.0 ≤ PF< –0.8 and
1.2 x VT rating:
0.8 < PF ≤ 10
REACTIVE POWER (VARS)
Accuracy at 0.1 to 1.5 x
CT rating and 0.8 to
±1.0% of reading at –0.2 ≤ PF ≤ 0.2
1.2 x VT rating:
GE Multilin
N60 Network Stability and Synchrophasor Measurement System
↓
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)
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
Parameters:
three-phase only
Update rate:
50 ms
VAR-HOURS (POSITIVE AND NEGATIVE)
Accuracy:
±2.0% of reading
±0 to 1 × 10
Range:
Parameters:
three-phase only
Update rate:
50 ms
2.2 SPECIFICATIONS
2.2.3 MONITORING
2.2.4 METERING
6
MWh
6
Mvarh
2-15
2
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