Answer / suresh

Primary delta secondary star type stepdown transformer used for lighting loads.

Answer / amit

step down

What is difference between earth leakage relay and restricted earth fault relay ?

22 Answers  

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400 kvtransmission lines in india are connected in star or delta

10 Answers   NTPC,

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The rotor current is directly proportional to slip. How?

3 Answers  

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what is meant by insulation voltage in cables? explain it?

4 Answers   ABB,

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What is R/X ratio? I have heard that this ratio is higher in a radial distribution system.Why is it so? I would appreciate a word. Thank you

1 Answers   Power Grid, Vignan University,

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how much current in live 11 Kv distribution Line?

1 Answers   ABB,

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In transformer how measure the winding temperature ?

5 Answers  

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what is the difference between thyristor & IGBT?

2 Answers  

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Why do we use series motor to start our car?

2 Answers  

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i have applied for the post of RRB section engineering chennai board please send me previou papers and solved answer. my mail id jagarapusrinivas@gmail.com

0 Answers   RRB,

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What is meant by soft starter used in motors?

4 Answers  

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what will happen if ac and dc supplies given

0 Answers   APTransco,

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