GE Multilin F35 - 2.2.3 MONITORING; 2.2.4 METERING

GE Multilin F35 Multiple Feeder Protection System 2-9
2 PRODUCT DESCRIPTION 2.2 SPECIFICATIONS
2
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
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
2.2.3 MONITORING
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
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
%error
+ user data
CT
%error
+ user data
Z
Line%error
+ user data
METHOD
%error
+ see chapter 8
RELAY ACCURACY
%error
+ (1.5%)
2.2.4 METERING
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)
Accuracy: ±1.0% of reading at –0.2 ≤ PF ≤ 0.2
APPARENT POWER (VA)
Accuracy: ±1.0% of reading
WATT-HOURS (POSITIVE AND NEGATIVE)
Accuracy: ±2.0% of reading
Range: ±0 to 1 × 10
6
MWh
Parameters: three-phase only
Update rate: 50 ms
VAR-HOURS (POSITIVE AND NEGATIVE)
Accuracy: ±2.0% of reading
Range: ±0 to 1 × 10
6
Mvarh
Parameters: three-phase only
Update rate: 50 ms