Table of Contents
Advertisement
2 PRODUCT DESCRIPTION
SELECTOR SWITCH
Number of elements:
2
Upper position limit:
1 to 7 in steps of 1
Selecting mode:
time-out or acknowledge
Time-out timer:
3.0 to 60.0 s in steps of 0.1
Control inputs:
step-up and 3-bit
Power-up mode:
restore from non-volatile memory or syn-
chronize to a 3-bit control input or synch/
restore mode
OSCILLOGRAPHY
Maximum records:
64
Sampling rate:
64 samples per power cycle
Triggers:
any element pickup, dropout, or operate;
contact input change of state; contact
output change of state; FlexLogic equa-
tion
Data:
AC input channels; element state; con-
tact input state; contact 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;
contact input change of state; contact
output change of state; self-test events
Data storage:
in non-volatile memory
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 at 0.1 to 1.5 x
CT rating and 0.8 to
1.2 x VT rating:
±1.0% of reading at –1.0 ≤ PF< –0.8
GE Multilin
DIGITAL ELEMENTS
Number of elements:
Operating signal:
Pickup delay:
Dropout delay:
Timing accuracy:
FAULT LOCATOR
Method:
Voltage source:
Maximum accuracy if:
Relay accuracy:
Worst-case accuracy:
VT
%error
CT
%error
Z
Line%error
METHOD
RELAY ACCURACY
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:
D30 Line Distance Protection System
2.2 SPECIFICATIONS
48
any FlexLogic operand
0.000 to 999999.999 s in steps of 0.001
0.000 to 999999.999 s in steps of 0.001
±3% or ±4 ms, whichever is greater
single-ended
wye-connected VTs, delta-connected
VTs and neutral voltage, delta-connected
VTs and zero-sequence current (approxi-
mation)
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
+
see chapter 8
%error
+ (1.5%)
%error
±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)
2
2.2.3 MONITORING
2.2.4 METERING
2-15
Advertisement
Table of Contents
