I have 90KW Motor 60 Hz,380V Pf 0,88.
after testing the Motor without Load is the no load Current
36 A,but wenn i put load after 2 hours the current increase
more than 156 A.
Can anybode tell me waht is the Problem?
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Answer Posted / michael
the simpliest answer to your question is in this example.
example you have to lift a 10 kg of rice, you use a little strength in order to lift it, but if your tying to lift a 50 kg of rice, you will exert much effort and strength in order to lift it. it is similar to the motor. if there is higher load the current will increase in order to satisfy the load required..
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