Basler Electric BE1-11g - Manual (Page 581)

9424200994 Rev N 569
Specifications - 25 Hz Operation
BE1-11g protection systems used in 25 Hz systems have the following features and capabilities. For
50/60 Hz operational specifications, refer to the
Specifications chapter.
Operational Specifications
Metered Current Values and Accuracy
5 Aac Nominal Range .............................................. 0.5 to 15 Aac
1 Aac Nominal Range ............................................... 0.1 to 3.0 Aac
SEF Range ................................................................ 0.01 to 3.0 Aac
Phase Current Accuracy ...........................................
±1.5% of reading at nominal current
±2.5% of reading or ±0.15% of full range,
whichever is greater at 25
°C
I1, I2, I0
* Accuracy .................................................... ±2% of reading at nominal current
±3% of reading or ±0.5% of full range,
whichever is greater at 25
°C
Temperature Dependence ........................................
≤ ±0.02% per °C
* 3I0 displayed
Metered Voltage Values and Accuracy
3-wire Range ............................................................. 50 to 250 Vac
4-wire Range ............................................................. 50 to 250 Vac
Auxiliary Range ......................................................... 25 to 125 Vac
Phase/Auxiliary Accuracy ..........................................
±1% of reading or ±0.2% of full range
whichever is greater at 25
°C
V1, V2, V0
* Accuracy ............................................... ±1.5% of reading or ±0.3% of full range
whichever is greater at 25
°C
Temperature Dependence ........................................
≤ ±0.02% per °C
* 3V0 displayed
Metered Frequency Values and Accuracy
Range ........................................................................ 10 to 125 Hz
Accuracy....................................................................
±0.01 Hz, ±1 least significant digit at 25°C nominal
3-wire Sensing Input ................................................. Phase A – B
4-wire Sensing Input ................................................. Phase A – Neutral
Minimum Frequency Tracking Voltage ..................... 10 V rms
Calculated Values and Accuracy
Demand
Range ........................................................................ 0.1 to 1.5 nominal
Type .......................................................................... Exponential
Accuracy....................................................................
±2% of reading ±1 digit at 25°C
Temperature Dependence ........................................
≤ ±0.02% per °C
Interval ....................................................................... 1 to 60 min
True Power
5 Ampere CT Range ................................................. –7,500 W to +7,500 W
1 Ampere CT Range ................................................. –1,500 W to +1,500 W
Accuracy....................................................................
±3% at unity power factor
BE1-11g Specifications - 25 Hz Operation