Answer Posted / pernati raja

for starting purpose

iam working in power plant. In hot places tube lights are glowing at the end portion only. what is the reason for that?

1856

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Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.

2035

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What is the equivalent circuit of a transformer and its vector diagram?

2641

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what is meaning of 230volts ac 50hzs ac supply is it rms or maximum to getting ac 230v what amount of max voltage they will send

2003

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if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer

1846

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I Have 3 Phase 10 KW AC Alternator i found one phase weak, so what will be the reason & what action shouls i take to rectify the same.

2002

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'documenˁ

1920

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can we start slipring motor on star delta like we start induction motor ? if yes where will we connect ?

1907

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Is it required to lay 2 runs of GI wires along with armoured cables from one power DB Machines of higher rating?

1951

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What is the safety of UPS?

1958

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List out the different frequency domain specifications?

1188

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What happened ,If 3 phase clearance not maintained in 33KV Line,11KV LIne etc?

2303

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What is primary and backup protection?

1108

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How 48-relay (incomplete sequence) functions?

4034

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while starting a liquid starter ,is there any volage drop on water/soda on tank.can we touch the tank on starting?

1868

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