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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why do the core of transformer saturates???

1 Answers  

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hai...... tis is Hemanth. jst now completed electrical engineering... i wanna to apper for ap tranco exam... plzz send me the previous q's paper link......thanx in advance.

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If the kvar rating of capacitor bank is 600 kvar at 525V then what it's rating at 415v.

2 Answers  

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How to set a Zone 1 distance relay for distribution feeder?

0 Answers   Schweitzer Engineering,

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why single phase to grd test in HV cable?why not 2 phase at a time?

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How to calculate the Harmonics losses in terms of cost/unit.

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The neutral&earth voltage is 0v.But we were connected the lighting load at the time ballast was failed.why?

1 Answers  

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what is 33 /11kv transformer bdv

8 Answers   NMDC, TPPL,

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How the size of electic machine vary with the sped? Between slow and fast running machines of equal ratings, which one is more economical to design?

1 Answers  

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how to set time from star to delta starter

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what is different between relay and plc?

3 Answers  

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