Answer Posted / sourabh maggo

Star - delta 7 delta - Star

We have 5 Distribution sections with variable loads&We have 3 Gensets(500kva,380kva&250kva) our total load is between 400kva to 600kva. so how could we connect 3gensets.

1916

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if we give 60 hz single phase supply to the transformer used in europe , than what will happen

1987

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how to size H.T & L.T Panel ?

2190

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HOW THE OLTC TRANSFORMER SAVE ENERGY IN COMPARISON TO OFF LINE TRANSFORMER AND IS IT ECONOMICAL TO REPLACE THE OFF LINE TRANSFORMER TO OLTC TRANSFORMER

2255

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what is meant by tranformer impedance?

2654

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hello friends this is krunal here.. i have applied for he officer train in hpcl electrical stream.. any one who have applied before for electrical stream please help me out.. post ur reply to my mail id: krunal_airforce@yahoo.com.. any tips, old questions for paper or any help will do.. plz help me.. your faithfully, Krunal Darji

1940

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What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.

1398

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why should small green grass ans small plant should not be there inside the transformer Yard in the factories

1819

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how can i use REF and diffrencial relay both in 1 CT core for transformer protection?

1919

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how to calculate the tarriff for an industry whose kva demand is 10 mva

2034

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how to calculate slip ring induction motor stator and rotor currents??

2321

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what is the principle of operation of tungstun bulb ??

1881

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what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY

2265

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electrical ques

2187

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what is the difference between Power and Distribution transformers ?

2221

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