why the transmission side of the generating transformer is always star??

5 Answers  

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How to calculate flow of water delivered by pump when pressure & size of pipe line is given

0 Answers   Knight Frank,

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can I connect step down transformer(25KvA,240V Phase to phase)to output of online UPS(15KvA,440V PHASE TO PHASE) Load connect to TRANSFORMER is 13KvA,240V PHASE TO PHASE. please brief if it is wrong

1 Answers   DRJ ARDE,

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RATING OF LIGHTENING ARRESTER FOR 11 KV LINE IS 9 KV is ok ,but haw to calculate the KA rating?

0 Answers  

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Safety devices in SF6 Circuit Breaker?

1 Answers   DELL,

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last week we did the REF relay test by closing single pole (R phase) of CB and apply 380V at the primary of delta transformer. we get 33A at the primary of the R phase star end. but we get 380A at both R an B in delta side. how and why?

1 Answers   Siemens,

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To prevent the mal operation of a differentially connected relay while energizing a transformer, the relay restraining coil is baised with (a)second harmonic current (b)fifth harmonic current (c)third harmonic current (d)seventh harmonic current

2 Answers  

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How to covert the ac to dc and how to control the dc output?

3 Answers   ABB,

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I have 440v power coming to facility,( not being used ) can I buy large generator, (gas) to sell power back to electrical co.

0 Answers   KVF,

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in 4 pole lap wound dc motor one brush is disconnected then what result in new voltage if its voltage is v volts power is p watts current is i amp

1 Answers   GATE,

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if a train is running on a speed of 40 K MPH and crosses a individual passing by him in 48 secs who is riding a horse with a speed of 25 K MPH. what is the length of the train?

2 Answers  

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How to protect sensitive loads such as Dosing pumps inside a factory from voltage surge/voltage fluctuation.

0 Answers  

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