2-22
N60 NETWORK STABILITY AND SYNCHROPHASOR MEASUREMENT SYSTEM – INSTRUCTION MANUAL
SPECIFICATIONS
CHAPTER 2: PRODUCT DESCRIPTION
2
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 digitals
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 specification sections
Network reporting format:
16-bit integer (for IEEE C37.118) or 32-bit IEEE floating point numbers
Network reporting style:
rectangular (real and imaginary for IEEE C37.188) or polar (magnitude and angle) coordinates
Post-filtering:
none, 3-point, 5-point, 7-point
Calibration:
±5° (angle) and ±5% (magnitude)
2.5.4 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
VAR-HOURS (POSITIVE AND NEGATIVE)
Accuracy:
±2.0% of reading
Range:
±0 to 1
×
10
6
Mvarh
Parameters:
three-phase only
Update rate:
50 ms
