explain different types of d.c motors?
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IN dc capacitive reactance is??
why we used to transmitt the power at higher voltage why not at lower voltage
how to increase or decrease speed in DC shunt motor by DC convertor
Explain role of Buckolz Relay in Transformer ?
What happens if 25 Hz frequency is applied for 400/200,50 Hz single phase Transformer.Will Voltage increase ?
2 Answers Bhel, Dawlance, IBM,
1. name the relay for protecting transformer 2. Current Transformer 3. potential Transformer
solor panels arrange some angle,panel is flat fitted energy was produced or not why?
what is ground fault in ACB?
why we measure output of transformer in kva?
Basic philosophy of applying 3P tripping for uptill 132KV switchyards & for 132KV & above 1P/3P tripping is used.
what is mean by potential and potential free contacts
6.6 KV /.415KV Step down trf. we can get 6.6 KV from primary by applying .415 KV secondary side by same TRF.
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