Answer / viraj

1.higher load
2.could be some jamming problem in shaft
3.it could be single phasing
4.motor winding i2r loss
5.it may be insulation damage

Answer / jagmohan singh

1. Loose connection.
2.cooling fan not available.
3. Bearing life over.
4.one phase missing.

Answer / k.prakashchandra

Cooling vs heat generated

What are the difference between these terms ? e.m.f, voltage, potential, potential difference, current etc? what are the difference between these terms ? (electromotive force) e.m.f, voltage, potential, potential difference, reference potential, reference potential difference, current. How can i explain and describe these all terms in single line each and little more explaination too thanks

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need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.

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0 Answers   GE,

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