Monitoring - GE UR series Instruction Manual

2.2 SPECIFICATIONS
SELECTOR SWITCH
Number of elements:
Upper position limit:
Selecting mode:
Time-out timer:
Control inputs:
Power-up mode:
2
OSCILLOGRAPHY
Maximum records:
Sampling rate:
Triggers:
Data:
Data storage:
EVENT RECORDER
Capacity:
Time-tag:
Triggers:
Data storage:
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:
2-14
2
1 to 7 in steps of 1
time-out or acknowledge
3.0 to 60.0 s in steps of 0.1
step-up and 3-bit
restore from non-volatile memory or syn-
chronize to a 3-bit control input or synch/
restore mode
64
64 samples per power cycle
any element pickup, dropout, or operate;
digital input change of state; digital out-
put change of state; FlexLogic™ equa-
tion
AC input channels; element state; digital
input state; digital output state
in non-volatile memory
1024 events
to 1 microsecond
any element pickup, dropout, or operate;
digital input change of state; digital out-
put change of state; self-test events
in non-volatile memory
(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
L60 Line Phase Comparison System
2 PRODUCT DESCRIPTION
DIGITAL ELEMENTS
Number of elements: 48
Operating signal: any FlexLogic™ operand
Pickup delay: 0.000 to 999999.999 s in steps of 0.001
Dropout delay: 0.000 to 999999.999 s in steps of 0.001
Timing accuracy: ±3% or ±4 ms, whichever is greater
DATA LOGGER
Number of channels: 1 to 16
Parameters: any available analog actual value
Sampling rate: 15 to 3600000 ms in steps of 1
Trigger: any FlexLogic™ operand
Mode: continuous or triggered
Storage capacity: (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
FAULT LOCATOR
Method: single-ended
Voltage source: wye-connected VTs, delta-connected
VTs and neutral voltage, delta-connected
VTs and zero-sequence current (approxi-
mation)
Maximum accuracy if: fault resistance is zero or fault currents
from all line terminals are in phase
Relay accuracy: ±1.5% (V > 10 V, I > 0.1 pu)
Worst-case accuracy:
VT + user data
%error
CT + user data
%error
Z + user data
Line%error
METHOD + see chapter 8
%error
RELAY ACCURACY + (1.5%)
%error
REACTIVE POWER (VARS)
±1.0% of reading at –0.2 ≤ PF ≤ 0.2
Accuracy:
APPARENT POWER (VA)
Accuracy: ±1.0% of reading
WATT-HOURS (POSITIVE AND NEGATIVE)
Accuracy: ±2.0% of reading
±0 to 1 × 10
Range:
Parameters: three-phase only
Update rate: 50 ms

2.2.3 MONITORING

↓
2.2.4 METERING
6
MWh
GE Multilin