Automatic control block BAR
BAR automatic control block is a part of the automatic control of transformers under load ART-1N.
Block output relay and provides at least 200 000 operations in RNP switching power not exceeding 30 VA.
Measuring unit body reacts to a deviation of the mean coefficient of return - 0.99.
Food measuring circuit block BAR:
- Nominal secondary voltage transformer voltage - 100 V;
- The frequency of nominal secondary voltage of the transformer - 50 Hz.
Voltage power supply block BAR - 220 V.
Supply frequency - 50 Hz.
Setpoint voltage - from 85% to 115% of rated voltage.
Minimum set point accumulation time - no more than 60 seconds.
Maximum storage time delay - not less than 180.
The magnitude of the reset time - no more than the set time setting accumulation.
Power consumed by measuring circuits of voltage transformers - not more than 10 V·A.
Power consumed by the power supply circuit block BAR - not more than 20 V·A.
Set point adjustment voltage - discrete steps "roughly" by 5% from 85% to 110% and steps "exactly" through 1% from 0 to 5% of rated voltage measured.
Adjusting settings for sensitivity zone - discrete steps at 0.5% from 1% to 4% of rated voltage measured.
Set point adjustment accumulation time - equal discrete steps.
Average life - at least 6 years.
Dimensions blocks BAR - no more 350x210x290 mm.
Weight - not more than 11 kg.
The ambient air temperature - from -30 ° C to +50 ° C.
Relative humidity at +25 ° C - up to 98%.
By climatic factors of the environment automatic control blocks BAR corresponds to the execution of Y2 categories according to GOST 15150-69 and GOST 15543-70. Degree of protection in accordance with GOST 14254-850 - IP-40.