why insulation cost is more in underground cable than in overhead line?

2 Answers  

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Why generally the transformer primary is connected in star & secondary in delta

7 Answers  

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Write the formula for Fault MVA, Fault current, Base MVA.

2 Answers  

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Parts of machine and their discription in details with suitable photo

0 Answers  

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how kva rating of transformer is calculated.

6 Answers   Fluor Daniel, Siemens,

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we have 3 single phase transformers. how will we generate 6 supply from 3 phase supply input

0 Answers   NHPC,

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What are the advantage of free wheeling diode in a full wave rectifier?

0 Answers  

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sir i applied for hpcl(electrical).i want to know from which subjects most of the technical que will b asked.and pattern of the written test.pls help me

0 Answers   HPCL,

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for 5KW resistive load can anyone please suggest me whether to go for UPS/Inverter or Generator depending upon cost calulations

0 Answers  

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when transformer oil should be filtered/tested?

3 Answers  

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how does excitation of brushless alternator took place?

1 Answers  

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Transmission line design. Say, I have a 1MVA generator and 2 transformers that will have the same load. What would be the proper rating of the trasformers? Is it safe to say, that I will simply divide the total rating of the generator?

1 Answers  

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