GE UR Series C70, Инструкция по эксплуатации

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GE Multilin C70 Capacitor Bank Protection and Control System 2-11
2 PRODUCT DESCRIPTION 2.2 SPECIFICATIONS
2
PHASE UNDERVOLTAGE
Pickup level: 0.000 to 3.000 pu in steps of 0.001
Dropout level: 102 to 103% of pickup
Level accuracy: ±0.5% of reading from 10 to 208 V
Curve shapes: GE IAV Inverse;
Definite Time (0.1s base curve)
Curve multiplier: Time dial = 0.00 to 600.00 in steps of
0.01
Timing accuracy: Operate at < 0.90
×
pickup
±3.5% of operate time or ±4 ms (which-
ever is greater)
BANK OVERVOLTAGE
Operation: per phase, 3 stages of definite-time, 1
stage of inverse-time
Application: grounded and ungrounded banks
Number of elements: 1 per VT bank, maximum of 3
Pickup threshold: 0.800 to 2.000 pu of bus voltage in steps
of 0.001, per phase
Pickup level accuracy: 0.002 pu for operating voltage <70 V
Hysteresis: 0.02 pu
Pickup delay: 0 to 600.00 s in steps of 0.01
Curve: any user-programmable FlexCurve
Time accuracy: ±3% or ±35 ms, whichever is greater
Operate time: < 35 ms at 60 Hz
PHASE OVERVOLTAGE
Voltage: Phasor only
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: 0.00 to 600.00 in steps of 0.01 s
Operate time:
<
30 ms at 1.10
×
pickup at 60 Hz
Timing accuracy: ±3% or ±4 ms (whichever is greater)
NEUTRAL 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: 0.00 to 600.00 s in steps of 0.01 (definite
time) or user-defined curve
Reset delay: 0.00 to 600.00 s in steps of 0.01
Timing accuracy: ±3% or ±20 ms (whichever is greater)
Operate time:
<
30 ms at 1.10
×
pickup at 60 Hz
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)
Operate time:
<
30 ms at 1.10
×
pickup at 60 Hz
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
Time accuracy: ±3% or ±20 ms, whichever is greater
Operate time: < 30 ms at 1.10
×
pickup at 60 Hz
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 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
BREAKER RESTRIKE
Principle: detection of high-frequency overcurrent
condition ¼ cycle after breaker opens
Availability: one per CT/VT module (not including 8Z
modules)
Pickup level: 0.1 to 2.00 pu in steps of 0.01
Reset delay: 0.000 to 65.535 s in steps of 0.001
TRIP BUS (TRIP WITHOUT FLEXLOGIC™)
Number of elements: 6
Number of inputs: 16
Operate time: <2 ms at 60 Hz
Time accuracy: ±3% or 10 ms, whichever is greater