Basler Electric BE1-CDS240 General Information - Manual (Page 20)

Energy Data Reporting
Range
1 or 5 Ampere CT ..................................................... 100 MWh
Units of Measure ............................................................. kilo, mega, giga
Rollover Value of Registers ............................................ 100,000
Accuracy ......................................................................... ±1% at unity power factor
24 Overexcitation Protection
Pickup
Setting Range ................................................................. 0.5 to 6 V/Hz
Accuracy ......................................................................... ±2%
Integrating Time Delay
Time Dial ......................................................................... 0.0 to 9.9
Reset Dial ....................................................................... 0.0 to 9.9
Accuracy ......................................................................... 5% or 4 cycles, whichever is greater
n
NOMINAL
MEASURED
T
1
HZ
V
HZ
V
DT
T










−
=
Time to Trip
100 *
FST
E
* D T T
R R
=
Time to Reset
where:
T
T
= Time to trip
T
R
= Time to reset
D
T
= Time dial trip
D
R
= Time dial, reset
E
T
= Elapsed time
n = Curve exponent (0.5, 1, 2)
FST = Full scale trip time (TT)
ET/FST = Fraction of total travel toward trip that integration had progressed to. (After a trip,
this value will be equal to one.)
Definite Time Delay
Time Delay ...................................................................... 0.050 to 600 s
Accuracy ......................................................................... 5% or 4 cycles, whichever is greater
27P Phase Undervoltage Protection
Pickup
Setting Range ................................................................. 10 to 300 V
Accuracy ......................................................................... ±2% or ±1 V, whichever is greater
Dropout/Pickup Ratio ...................................................... 102%
Time Delay
Setting Range ................................................................. 0.050 to 600 s
Accuracy ......................................................................... ±0.5% or ±1 cycle, whichever is greater
47 Negative-Sequence Voltage Protection
Pickup
Setting Range ................................................................ 1.0 to 300 V
L-N
Accuracy ......................................................................... ±2% or ±1 V, whichever is greater
Dropout/Pickup Ratio ...................................................... 98%
1-18 BE1-CDS240 General Information 9365200990 Rev M