Answer / k.prakashchandra

Input to single phase motor is 1150 VA, whereas to 3 phase
is about 1000 VA (line voltage=230 V)per HP. The efficiency
of single phase motor is less than that of 3 phase.

What should be the voltage between Neutral and Ground in secondary side of the step down transformer (230 V to 110 V) with no load condition?

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What will happen if we do not provide earthing to the newtral of a power system ?

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What is the capacitance values of 132,220,400 & 765 kV current transformer

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a 440v 60hz 03 phase 100kw generator can deliver how much power in kw for 220v 60hz 01 phase load?

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What is SFU why it is used

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how is working the auto transformer?

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Transmission voltage is kept 11KV,33KV,66KV,132KV,220KV due to form factor. What happen to 400KV and 765KV transmission voltage?

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Due to ferranti effect which power increases at the receiving end?active power or reactive power?

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ther is any difference if we use 240 V A.C,50 Hz,1 Ph. in place of 230 V A.C,50 Hz,1 Ph.

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I am a electrical engg. diploma holder,applied for junior engineer (electrical),Kolkata RRB. Have I to attend all electrical,mechanical&civil portion in written exam.???

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In what situations relays are used in Circuit breaker? In Above what rating of Circuit breaker the relays are used? Why relays are not used for CB like MCB?

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