What is acsr cable and where we use it?

0 Answers  

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What is transposition in a transmision line?

2 Answers  

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Why is transformer connect parallel? why not series? ....plz...

3 Answers   wbsedcl,

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what is the VA(Voltampire)? define with calculation?

4 Answers  

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Earth Is a very good conductor or very good insulator.? If a good conductor then why current donot flow through small piece f earth and if a good insulator then why we use it as return path in lines.???

6 Answers   L&T,

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Why TAP changer provided in primary side of HT transformer ? and why not in secondary?

9 Answers   ABB, Reliance,

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How many earthings are provided for a 250KVA distribution transformer?

9 Answers  

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hi engineers,if suppose distribution is going to two diff village mistakenly they r interchange the neutral of twowhat happen?

7 Answers   Bhel, L&T,

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in our sub station why we step down firstly 33kv\11kv then 11kv to 430v. can we direct step down 33v to 430.v.

18 Answers   Eaton, Siemens,

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why ups in kva ratings?

2 Answers  

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I did oil BDV test of 1600 KVA trafo 20KV/400V as per IEC 156. Result is 1) 58 KV 2) 58 KV 3)40 KV 4) 50 KV 5) 58 KV 6) 18 KV. Avr is 47 KV. Can we say oil is still ok even in the 6th test BDV is 18 KV ?

1 Answers  

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what is first pole to clear factor

1 Answers  

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