GE L60 Instruction Manual page 34

Ur series line phase comparison relay
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2.2 SPECIFICATIONS
NEGATIVE SEQUENCE DIRECTIONAL OC
Directionality:
Polarizing:
Polarizing voltage:
Operating current:
Level sensing:
Zero-sequence:
2
Negative-sequence:
Restraint, K:
Characteristic angle:
Limit angle:
Angle accuracy:
Offset impedance:
Pickup level:
Dropout level:
Operation time:
PHASE UNDERVOLTAGE
Voltage:
Pickup level:
Dropout level:
Level accuracy:
Curve shapes:
Curve multiplier:
Timing accuracy:
AUXILIARY UNDERVOLTAGE
Pickup level:
Dropout level:
Level accuracy:
Curve shapes:
Curve multiplier:
Timing accuracy:
PHASE OVERVOLTAGE
Voltage:
Pickup level:
Dropout level:
Level accuracy:
Pickup delay:
Operate time:
Timing accuracy:
NEUTRAL OVERVOLTAGE
Pickup level:
Dropout level:
Level accuracy:
Pickup delay:
Reset delay:
Timing accuracy:
Operate time:
2-10
Co-existing forward and reverse
Voltage
V_2
I_2
|I_0| – K × |I_1|
|I_2| – K × |I_1|
0.000 to 0.500 in steps of 0.001
0 to 90° in steps of 1
40 to 90° in steps of 1
±2°
0.00 to 250.00 Ω in steps of 0.01
0.05 to 30.00 pu in steps of 0.01
97 to 98%
< 16 ms at 3 × Pickup at 60 Hz
Phasor only
0.000 to 3.000 pu in steps of 0.001
102 to 103% of pickup
±0.5% of reading from 10 to 208 V
GE IAV Inverse;
Definite Time (0.1s base curve)
Time dial = 0.00 to 600.00 in steps of
0.01
Operate at < 0.90 × pickup
±3.5% of operate time or ±4 ms (which-
ever is greater)
0.000 to 3.000 pu in steps of 0.001
102 to 103% of pickup
±0.5% of reading from 10 to 208 V
GE IAV Inverse, Definite Time
Time Dial = 0 to 600.00 in steps of 0.01
±3% of operate time or ±4 ms
(whichever is greater)
Phasor only
0.000 to 3.000 pu in steps of 0.001
97 to 98% of Pickup
±0.5% of reading from 10 to 208 V
0.00 to 600.00 in steps of 0.01 s
< 30 ms at 1.10 × Pickup at 60 Hz
±3% or ±4 ms (whichever is greater)
0.000 to 3.000 pu in steps of 0.001
97 to 98% of Pickup
±0.5% of reading from 10 to 208 V
0.00 to 600.00 s in steps of 0.01 (definite
time) or user-defined curve
0.00 to 600.00 s in steps of 0.01
±3% or ±20 ms (whichever is greater)
< 30 ms at 1.10 × Pickup at 60 Hz
L60 Line Phase Comparison Relay
2 PRODUCT DESCRIPTION
AUXILIARY OVERVOLTAGE
Pickup level:
0.000 to 3.000 pu in steps of 0.001
Dropout level:
97 to 98% of Pickup
Level accuracy:
±0.5% of reading from 10 to 208 V
Pickup delay:
0 to 600.00 s in steps of 0.01
Reset delay:
0 to 600.00 s in steps of 0.01
Timing accuracy:
±3% of operate time or ±4 ms
(whichever is greater)
< 30 ms at 1.10 × pickup at 60 Hz
Operate time:
BREAKER FAILURE
Mode:
1-pole, 3-pole
Current supervision:
phase, neutral current
Current supv. pickup:
0.001 to 30.000 pu in steps of 0.001
Current supv. dropout:
97 to 98% of pickup
Current supv. accuracy:
0.1 to 2.0 × CT rating: ±0.75% of reading or ±2% of rated
(whichever is greater)
above 2 × CT rating:
±2.5% of reading
BREAKER ARCING CURRENT
Principle:
accumulates breaker duty (I
sures fault duration
Initiation:
programmable per phase from any Flex-
Logic™ operand
Compensation for auxiliary relays: 0 to 65.535 s in steps of 0.001
Alarm threshold:
0 to 50000 kA2-cycle in steps of 1
Fault duration accuracy: 0.25 of a power cycle
Availability:
1 per CT bank with a minimum of 2
BREAKER FLASHOVER
Operating quantity:
phase current, voltage and voltage differ-
ence
Pickup level voltage:
0 to 1.500 pu in steps of 0.001
Dropout level voltage:
97 to 98% of pickup
Pickup level current:
0 to 1.500 pu in steps of 0.001
Dropout level current:
97 to 98% of pickup
Level accuracy:
±0.5% or ±0.1% of rated, whichever is
greater
Pickup delay:
0 to 65.535 s in steps of 0.001
Time accuracy:
±3% or ±42 ms, whichever is greater
Operate time:
<42 ms at 1.10 × pickup at 60 Hz
OPEN BREAKER ECHO
Keying of the transmitter in case one end of the line is open or
weak-infeed at the terminal.
SYNCHROCHECK
Max voltage difference: 0 to 400000 V in steps of 1
Max angle difference:
0 to 100
Max freq. difference:
0.00 to 2.00 Hz in steps of 0.01
Hysteresis for max. freq. diff.: 0.00 to 0.10 Hz in steps of 0.01
Dead source function:
None, LV1 & DV2, DV1 & LV2, DV1 or
DV2, DV1 xor DV2, DV1 & DV2
(L = Live, D = Dead)
AUTORECLOSURE
Two breakers applications
Single- and three-pole tripping schemes
Up to 4 reclose attempts before lockout
Selectable reclosing mode and breaker sequence
2
t) and mea-
°
in steps of 1
GE Multilin

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