Answer Posted / prabhakar sankle

We can use aircoditioning for transformer cooling,but it is costly,dificult to maintain and risky because whenever will occured fault in a.c. then transformer cooling also stop.So normaly natural oil,air cooling is better.

how to find the multiplication factor for digital energy meter and analog energy meter

2258

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If any cable burnt how can we identify it burnt by high current of high voltage? 

2490

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What are the advantages of vscf wind electrical system?

1140

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STATE USE OF ARC RUNNERS & SPLITTERS ?

2000

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What is electrical diversity factor in electrical installations?

1272

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Why it need to form a capcitor when it not been in use from three or two year. Plz describe it technically.

1983

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how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?

2079

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We have received supplies of the ordered material. payments against the supplies also released. Where ST paid 4% against form C. Meanwhile it has been observed that 25% of material supplied was defective. Please suggest whether the issuance of C form from our side would be stopped till settlement of liabilities.

1995

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what is acceptable leakage current for 33kv cable while doing high voltage test for cable? how to calaulate the leakage current for 33kv or any rated cable?

4116

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Define ampere

1377

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i am venkat i got gre 930(verbal 270 quanta 660) and my toefl score 105..here question is why u got less score in gre ? what i supposed to tell...any chance of rejection is there...my accadamics record is very good

2194

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Explain about technical and non technical losses in distribution system?

1139

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Draw a block diagramof Three UPS systems connected in Parallel mode?

2219

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what is the efficiency of thyristor

1691

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After synchronization with grid what is the demand value QKVAR and how we will maintain that?

2324

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