what should be the air clearence between phase to phase,
phase to earth in Medium voltage switchgear for
3.3kv,6.6kv,11kv,22kv and 33kv? Which is to be referred for
this?
Suppose the incoming power is 11 kw, but the load require only 8 kw means how can we save or use the excess power?
Pls mail me utility & Dg related question with answer
We have a 62.5 KVA DG with Leyland engine and kirloskar slipring alternator. We have earthed the neutral, and another earthing for the dg body. is it necessary to isolate the dg foundation with rubber pads?
Please explain, how to test vector group of tranformer(Delta y1) . Thank
How to identify Motor leads in their order coming out from winding without tag (U1, V1, W1 & U2, V2, W2)?
What is the working principle of servo motor? And explain it.
what is meant by bus bar and outgoing/incoming breaker in an electrical/electronic circuit
How do u analyse protection fault when vcb tripping on load
New istallation how many eathing have one transformer? Names of earthing connect places?
I have installed capacitor bank at secondary transformer. cos phi is increase. but on load (far from transormer), it still poor. Can anybody explain it??
assume we are put both df/dt and vector surge relay in same bus the df/dt relay setting is +5 hz an -5HZ. we want operat the vector surge relay before the df/dt how i calculate the setting of the vector surge relay.
what is the wattage of 'zero watt' bulb?
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