BE1-11g
10
VOLTS/HZ (24)
Pickup: 0.5 - 6V/Hz
Delay Time:
Inverse Squared Curve
D
T
ET
T
T
= (M-1)
2
T
R
= D
R
x FST x 100
T
T
= Time to Trip
T
R
= Time to Reset
D
T
= Time Dial, Trip
D
R
= Time Dial, Reset
Actual V/Hz
M = Pickup V/Hz
ET = Elapsed Time
FST = Full Scale Trip Time (T
T
)
PERFORMANCE SPECIFICATIONS, continued
SYNC CHECK (25)
Delta Phase Angle: 1 - 99 degrees
Delta Voltage Magnitude: 1 - 20V
Delta Frequency: 0.01 - 0.50Hz
Phase Shift CompensatioN: 0 - 359 degrees
SYNC CHECK, VOLTAGE MONITOR (25VM)
Dead Threshold: 10 - 150V
Live Threshold: 10 - 150V
Dropout Time Delay: 0.050 - 60.0sec
Logic:
Dead Phase/Dead Aux.
Dead Phase/Live Aux.
Live Phase/Dead Aux.
Two Independent outputs: 25VM1 and 25VM2
PHASE OVER/UNDERVOLTAGE (27P, 59P)
Mode: 1 of 3; 2 of 3; 3 of 3
Pickup: 10.0-300V
L-L
or 10.0-300V
L-N
Delay Time: 0.050 - 600sec.
Inverse delay equations:
For overvoltage protection
For undervoltage protection
where
t(G)=operating time with constant value of G (seconds)
TD=time multiplier setting
G=measured value of the characteristic quantity
G
S
=setting (pickup) value of the characteristic quantity
AUXILIARY OVER/UNDERVOLTAGE 3V0 (27X, 59X)
Mode: Fundamental V
X
,
3 phase Residual (3V0),
3rd Harmonic V
X
Pickup: 1.0 - 150V
Delay Time: 0.050 - 600 Sec.
Inverse Delay: ±5% or 2 cycles
VOLTAGE PICKUP ACCURACY (All 27, 47 and 59)
Phase (V
L-L
or V
L-N
): ±2% or ±0.5V
Phase 3V0 and V2: ±2% or ±0.5V
DEFINITE TIME ACCURACY (All 27, 47 and 59)
Definite Time Accuracy: ±0.5% or ±1 cyc
NEGATIVE SEQUENCE OVERVOLTAGE (47)
Pickup: 1.0 - 300V
L-N
Delay Time: 0.050 - 600sec.
POWER (32)
Mode: Forward, Reverse
Pickup: 5A: 1.0 - 6000 Watts, 3 ph
1A: 1.0 - 1200 Watts, 3 ph
Pickup Accuracy: ±3%
Delay Time: 0.050 - 600 Sec.
UNDEREXCITATION (40Q)
Pickup: 5A: 1.0 - 6000 VARs, 3 ph
1A: 1.0 - 1200 VARs, 3 ph
Pickup Accuracy: ±3%
Delay Time: 0.050 - 600sec.
LOSS OF EXCITATION (40Z) Dual element
Offset: 0 - 110 Ohms, 5 Amp
0 - 550 Ohms, 1 Amp
Diameter: 0.1 - 100 Ohms, 5 Amp
0.5 - 500 Ohms, 1 Amp
Accuracy: ±3%
Time Delays: 0.0 - 60sec.
FREQUENCY (81)
Mode: Over, Under
Pickup: 20.00 - 70.00 Hz
Delay Time: 0.000 - 600 Sec.
Time Accuracy: ±0.5% or +1 cyc / -0 cyc
(Min. trip time affected by min. 3 cyc security count)
Mode: Rate of Change (ROC)
Pickup: 0.2-20Hz/sec
Accuracy: 0.1 Hz/sec or 2%
GENERAL PURPOSE LOGIC TIMERS (62)
Mode: PU/DO
1 Shot, Non-Retrig.
1 Shot, Retrig.
Integrating
Latch
T1 and T2 Delay Time: 0.000 - 9999 Sec.
Time Accuracy: ±0.5% or ±¾ cyc
s
GG
TD
Gt
/1
)(
1/
)(
S
GG
TD
Gt
(28 paginas)
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