Monitoring; Metering; Inputs - GE D30 series Instruction Manual

Line distance protection system. ur series
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2.2 SPECIFICATIONS
DIGITAL ELEMENTS
Number of elements:
Operating signal:
Pickup delay:
Dropout delay:
Timing accuracy:
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:
AC CURRENT
CT rated primary:
CT rated secondary:
Nominal frequency:
Relay burden:
Conversion range:
Standard CT:
Sensitive Ground CT module:
0.002 to 4.6  CT rating RMS symmetrical
Current withstand:
Short circuit rating:
2-14
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
64
64 samples per power cycle
any element pickup, dropout, or operate;
digital input change of state; digital out-
put change of state; FlexLogic equation
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
1 to 50000 A
1 A or 5 A by connection
20 to 65 Hz
< 0.2 VA at rated secondary
0.02 to 46  CT rating RMS symmetrical
20 ms at 250 times rated
1 sec. at 100 times rated
continuous 4xInom; URs equipped with
24 CT inputs have a maximum operating
temp. of 50°C
150000 RMS symmetrical amperes, 250
D30 Line Distance Protection System
2 PRODUCT DESCRIPTION
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
FREQUENCY
Accuracy at
V = 0.8 to 1.2 pu:
±0.001 Hz (when voltage signal is used
for frequency measurement)
I = 0.1 to 0.25 pu:
±0.05 Hz
I > 0.25 pu:
±0.001 Hz (when current signal is used
for frequency measurement)
V maximum (primary current to external
CT)
AC VOLTAGE
VT rated secondary:
50.0 to 240.0 V
VT ratio:
1.00 to 24000.00
Nominal frequency:
20 to 65 Hz
Relay burden:
< 0.25 VA at 120 V
Conversion range:
1 to 275 V
Voltage withstand:
continuous at 260 V to neutral
1 min./hr at 420 V to neutral

2.2.3 MONITORING

2.2.4 METERING

2.2.5 INPUTS

GE Multilin

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