Generally In transformer Tap Changer on HT side, but I have seen in 66KV side in 220/66 KV, 100 MVA, Areva make transformer. Why ?

7 Answers  

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how to calculate a cable size while load is given in amp or kw and length is also define.?

1 Answers  

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what is difference between 3.5 core and 4 core cable

5 Answers   Havells,

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which is better VCB or ACB and why?

7 Answers  

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give me list of material for wiring of 20hp motor?

2 Answers   Alchemist,

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Hello Guys !! i want to rrb section engineer electrical(signal) previous model papers? any body help me?

0 Answers  

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can any one help me out by posting something related to rvnl interview for site engineer electrical.? what is the procedure? what kinda question they ask us? how long the interview goes? and any tips? and any thing you want to share?

1 Answers   RVNL,

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How to calculate cable size between battery charger to Battery ?

2 Answers   L&T,

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What is the difference between an insulator and a dielectric?

2 Answers  

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what is meant by substation?

5 Answers  

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Can VFD step up to 60 Hz if it is designed to receive 50 Hz input?

3 Answers  

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how many earthing is required for sever room?

4 Answers  

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