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2 PRODUCT DESCRIPTION
8-BIT SWITCH
Number of elements:
6
Input signals:
two 8-bit integers via FlexLogic™ oper-
ands
Control signal:
any FlexLogic™ operand
Response time:
< 8 ms at 60 Hz, < 10 ms at 50 Hz
OSCILLOGRAPHY
Maximum records:
64
Sampling rate:
64 samples per power cycle
Triggers:
any element pickup, dropout, or operate;
digital input change of state; digital out-
put change of state; FlexLogic™ equa-
tion
Data:
AC input channels; element state; digital
input state; digital output state
Data storage:
in non-volatile memory
EVENT RECORDER
Capacity:
1024 events
Time-tag:
to 1 microsecond
Triggers:
any element pickup, dropout, or operate;
digital input change of state; digital out-
put change of state; self-test events
Data storage:
in non-volatile memory
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
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:
±1.0% of reading at
–0.8 < PF ≤ –1.0 and 0.8 < PF ≤ 1.0
REACTIVE POWER (VARS)
±1.0% of reading at –0.2 ≤ PF ≤ 0.2
Accuracy:
GE Multilin
↓
F35 Multiple Feeder Protection System
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
FAULT LOCATOR
Number of independent fault locators: 1 per CT bank (to a maxi-
mum of 5)
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
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
VAR-HOURS (POSITIVE AND NEGATIVE)
Accuracy:
±2.0% of reading
±0 to 1 × 10
Range:
Parameters:
three-phase only
Update rate:
50 ms
2.2 SPECIFICATIONS
2.2.3 MONITORING
2.2.4 METERING
6
MWh
6
Mvarh
2-9
2
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