an ac induction motor gets overheated when operated at a low frequency of 25 hz a instead of 50 hz. reason?

1 Answers  

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3phase 4 wire system is more reliable or 3 phase 3 wire systems?

4 Answers  

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For a certain load i need 100kw load ,In that case what rating mccb should i use?

5 Answers  

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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?

0 Answers  

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diff. between star, delta connection?

4 Answers  

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what types of cable used in underground coal mining?

0 Answers  

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WHAT IS MEANT BY DERATING OF THYRISTOR?

0 Answers   TATA, Trane,

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What is the effect of interchanging core(made of steel) and winding(made of copper) material in case of transformer? Give proper explanation in regard to different losses in transformer.

0 Answers  

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what is the difference between on line & off line UPS

3 Answers  

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What are the conditions to be satisfied for parallel operation of dc generators?

0 Answers  

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if reactive power become zero in transmission system then what effect on system.???

3 Answers   Sedemac,

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You required 5A from the transformer but you get 8A. How do you minimize this?

2 Answers   Bajaj, Siemens,

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