why do we use star-delta starter. what is its need?

6 Answers  

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what is meant by IGBT how they differ from tyristor ?

0 Answers  

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AP Transco Assistant Engineer (Electrical) Model Question papers

2 Answers   APTransco, HCL, Tranco, UPSC, VMware,

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IF we have 500kva transformer 11.0/0.415V, 50Hz. How to calculate the current on HT & LT side, how can we consider for its breaker (HT & LT both)? You are requested to solve the question herewith.

3 Answers   Bhutan Power Corporation,

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Whether the over frequency protection is turbine or alternator and why?

1 Answers   Marg,

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Why have the transformer one earthing to their neutral? Why have the transformer many earthing to their body?

1 Answers  

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How we can come to know the substation range,without go through any name plate ?

0 Answers   CG,

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In ac motor,when dc supply is given what happend to the motor?

3 Answers  

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what will happen if transformer given dc input

5 Answers  

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1. Why a DC motor starter is called 3 point starter

21 Answers   ABB, CG, College School Exams Tests, Crompton Greaves, Infosys, Siva,

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Explain advantages of storage batteries

0 Answers  

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In a Circuit how the MCB and Fuse ratings are calculated. And shall the fuse follws the MCB or it is otherwise?

16 Answers   Emerson, HCL, Thirumalai Chemicals,

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