Specifications - 25 hz operation, Operational specifications, Metered current values and accuracy – Basler Electric BE1-11m User Manual

Page 463: Metered voltage values and accuracy, Metered frequency values and accuracy, Calculated values and accuracy

Advertising
background image

9424200996 Rev L

451

Specifications - 25 Hz Operation

BE1-11m 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

BE1-11m

Specifications - 25 Hz Operation

Advertising