Metering - GE N60 Instruction Manual

2.2 SPECIFICATIONS
PHASOR MEASUREMENT UNIT
Output format:
Number of channels:
TVE (total vector error)
Triggering:
2
Reporting rate:
Number of clients:
AC ranges:
Network reporting format: 16-bit integer or 32-bit IEEE floating
Network reporting style: rectangular (real and imaginary) or polar
Post-filtering:
Calibration:
RMS CURRENT: PHASE, NEUTRAL, AND GROUND
Accuracy at
0.1 to 2.0 × CT rating: ±0.25% of reading or ±0.1% of rated
> 2.0 × CT rating:
RMS VOLTAGE
Accuracy:
REAL POWER (WATTS)
Accuracy:
REACTIVE POWER (VARS)
Accuracy:
APPARENT POWER (VA)
Accuracy:
WATT-HOURS (POSITIVE AND NEGATIVE)
Accuracy:
Range:
Parameters:
Update rate:
2-10
per IEEE C37.118 standard
14 synchrophasors, 8 analogs, 16 digi-
tals
<1%
frequency, voltage, current, power, rate
of change of frequency, user-defined
1, 2, 5, 10, 12, 15, 20, 25, 30, 50, or 60
times per second
One over TCP/IP port, two over UDP/IP
ports
As indicated in appropriate specifications
sections
point numbers
(magnitude and angle) coordinates
none, 3-point, 5-point, 7-point
±5°
(whichever is greater)
±1.0% of reading
±0.5% of reading from 10 to 208 V
±1.0% of reading at
–0.8 < PF ≤ –1.0 and 0.8 < PF ≤ 1.0
±1.0% of reading at –0.2 ≤ PF ≤ 0.2
±1.0% of reading
±2.0% of reading
6
±0 to 1 × 10
MWh
three-phase only
50 ms
N60 Network Stability and Synchrophasor Measurement System
2 PRODUCT DESCRIPTION
VAR-HOURS (POSITIVE AND NEGATIVE)
Accuracy: ±2.0% of reading
±0 to 1 × 10
Range:
Parameters: three-phase only
Update rate: 50 ms
FREQUENCY
Accuracy at
V = 0.8 to 1.2 pu: ±0.01 Hz (when voltage signal is used
for frequency measurement)
I = 0.1 to 0.25 pu: ±0.05 Hz
I > 0.25 pu: ±0.02 Hz (when current signal is used for
frequency measurement)
DEMAND
Measurements: Phases A, B, and C present and maxi-
mum measured currents
3-Phase Power (P, Q, and S) present
and maximum measured currents
Accuracy: ±2.0%

2.2.4 METERING

6
Mvarh
GE Multilin