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Sir i completed diploma in electrical from govt. Polytechnic dhanbad (jharkhand) . In 2012 . Now i am working in sail iisco plant . Sir i want to get electrical supervisory certificate for applying in ongc . From where i get this certificate please guide me procedure step by step
what is meant by Hrc fuses.?In the distribution system different rating hrc fuses are used for tranformer(which is 3k,6k,10k,15k etc).what is k?.plz any brother tell me about k?
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??
What is auto reclose system in Circuit breakers
When testing an earthing connection, we use a 60 or 100 candle bulb with a phase connected direct from supply and the other wire to the new earthing provided.If the bulb glows then the earth is ok.Else earth connection is not Ok. So, why dont we can use all the home appliances taking a single wire from the phase and the return connection to Earth instead of return connection to neutral?
What should be the overcurrent, instantaneous overcurrent, short cicuit current settings (i.e. how many times of motor full load and what is the time duration) for a motor?
What are marginally stable systems?
WHY SEPARATELY EXCITED MACHINE NEEDS EXCITATION BY DC SUPPLY WHY NOT BY AC
HOW MANY EARTHINGS REQUIRED FOR GENERATER
what is the difference between diode and zener diode?
what is earthing.how we make it,describe briefly.
Do we really need wheels for the transformer
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