Metering; Inputs - GE D30 Instruction Manual

SPECIFICATIONS
Data storage:
EVENT RECORDER
Capacity:
Time-tag:
Triggers:
Data storage:
2
FAULT LOCATOR
Method:
Voltage source:
Maximum accuracy if:
Relay accuracy:
Worst-case accuracy:
VT +
%error
CT +
%error
Z +
Line%error
RELAY ACCURACY
%error

2.5.4 Metering

RMS CURRENT: PHASE, NEUTRAL, AND GROUND
Accuracy at
0.1 to 2.0 × CT rating:
> 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:
REACTIVE POWER (VARS)
Accuracy at 0.1 to 1.5 x CT rating and 0.8 to 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:
FREQUENCY
Accuracy at
V = 0.8 to 1.2 pu:
I = 0.1 to 0.25 pu:
I > 0.25 pu:

2.5.5 Inputs

AC CURRENT
CT rated primary:
CT rated secondary:
Relay burden:
Conversion range:
Standard CT:
2-26
in non-volatile memory
1024 events
to 1 microsecond
any element pickup, dropout, or operate; contact input change of state; contact output change
of state; self-test events
in non-volatile memory
single-ended
wye-connected VTs, delta-connected VTs and neutral voltage, delta-connected VTs and zero-
sequence current (approximation)
fault resistance is zero or fault currents from all line terminals are in phase
±1.5% (V > 10 V, I > 0.1 pu)
user data
user data
user data
+ (1.5%)
±0.25% of reading or ±0.1% of rated (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
±1.0% of reading at –0.2 ≤ PF ≤ 0.2
±1.0% of reading
±0.01 Hz (when voltage signal is used for frequency measurement)
±0.05 Hz
±0.02 Hz (when current signal is used for frequency measurement)
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
CHAPTER 2: PRODUCT DESCRIPTION
D30 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL