Metering - GE L30 Instruction Manual

2.4 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 (for C37.118) or 32-bit
Network reporting style: rectangular (real and imaginary for
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 at 0.1 to 1.5 x
CT rating and 0.8 to
1.2 x VT rating:
AC CURRENT
CT rated primary:
CT rated secondary:
Relay burden:
Conversion range:
Standard CT:
Sensitive Ground CT module:
0.002 to 4.6 × CT rating RMS symmetrical
Current withstand:
2-26
per IEEE C37.118 or IEC 61850-90-5
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 for P and M class, and
100 or 120 times per second for P class
only
One over TCP/IP port and one over
UDP/IP per aggregator
As indicated in appropriate specifications
sections
IEEE floating point numbers
C37.188) or polar (magnitude and angle)
coordinates
none, 3-point, 5-point, 7-point
±5° (angle) and ±5% (magnitude)
(whichever is greater)
±1.0% of reading
±0.5% of reading from 10 to 208 V
±1.0% of reading at –1.0 ≤ PF< –0.8 and
0.8 < PF ≤ 10
1 to 50000 A
1 A or 5 A by connection
< 0.2 VA at rated secondary
0.02 to 46 × CT rating RMS symmetrical
20 ms at 250 times rated
1 sec. at 100 times rated
continuous 4xInom
Short circuit rating:150000 RMS sym-
metrical amperes, 250 V maximum (pri-
mary current to external CT)
L30 Line Current Differential System
2 PRODUCT DESCRIPTION
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:
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
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)
AC VOLTAGE
VT rated secondary: 50.0 to 240.0 V
VT ratio: 1.00 to 24000.00
Relay burden: < 0.25 VA at 120 V
Conversion range: 1 to 275 V
Voltage withstand: continuous at 260 V to neutral
1 min./hr at 420 V to neutral

2.4.4 METERING

2.4.5 INPUTS
GE Multilin