Metering - GE L60 Instruction Manual

SPECIFICATIONS
Triggers:
Data storage:
DATA LOGGER
Number of channels:
Parameters:
Sampling rate:
2
Trigger:
Mode:
Storage capacity:
FAULT LOCATOR
Number of independent fault locators: 1 per CT bank (to a maximum of 2)
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:
WATT-HOURS (POSITIVE AND NEGATIVE)
Accuracy:
Range:
2-26
any element pickup, dropout, or operate; contact input change of state; contact output change
of state; self-test events
in non-volatile memory
1 to 16
any available analog actual value
15 to 3600000 ms in steps of 1
any FlexLogic operand
continuous or triggered
(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
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
±2.0% of reading
6
±0 to 1 × 10 MWh
CHAPTER 2: PRODUCT DESCRIPTION
L60 LINE PHASE COMPARISON SYSTEM – INSTRUCTION MANUAL