GE L60 Instruction Manual page 42

2.2 SPECIFICATIONS
PHASE UNDERVOLTAGE
Voltage:
Pickup level:
Dropout level:
Level accuracy:
Curve shapes:
2
Curve multiplier:
Curve timing accuracy
at <0.90 x pickup:
AUXILIARY UNDERVOLTAGE
Pickup level:
Dropout level:
Level accuracy:
Curve shapes:
Curve multiplier:
Curve timing accuracy
at <0.90 x pickup:
PHASE OVERVOLTAGE
Voltage:
Pickup level:
Dropout level:
Level accuracy:
Pickup delay:
Operate time:
Timer accuracy:
NEUTRAL OVERVOLTAGE
Pickup level:
Dropout level:
Level accuracy:
Pickup delay:
Reset delay:
Curve timing accuracy
at >1.1 x pickup:
Operate time:
AUXILIARY OVERVOLTAGE
Pickup level:
Dropout level:
Level accuracy:
Pickup delay:
Reset delay:
Timer accuracy:
Operate time:
2-12
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
±3.5% of operate time or ±1/2 cycle
(whichever is greater) from pickup to
operate
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
±3.5% of operate time or ±1/2 cycle
(whichever is greater) from pickup to
operate
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% of operate time or ±1/4 cycle
(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
±3.5% of operate time or ±1 cycle
(whichever is greater) from pickup to
operate
<30 ms at 1.10 × pickup at 60 Hz
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 to 600.00 s in steps of 0.01
0 to 600.00 s in steps of 0.01
±3% of operate time or ±1/4 cycle
(whichever is greater)
<30 ms at 1.10 × pickup at 60 Hz
L60 Line Phase Comparison System
2 PRODUCT DESCRIPTION
NEGATIVE SEQUENCE OVERVOLTAGE
Pickup level: 0.000 to 1.250 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
Timer accuracy: ±3% of operate time or ±20 ms, which-
ever 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
Timer accuracy: ±3% of operate time or ±42 ms, which-
ever is greater
<42 ms at 1.10 × pickup at 60 Hz
Operate time:
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)
2
t) and mea-
°
in steps of 1
GE Multilin