NCT Posted September 8, 2007 Report Share Posted September 8, 2007 Why did the power factor of motor drops down substantially during starting of 3 phase induction motor. How the power factor is related with voltage and current. kindly clarify with example for 3 pase 415 v 75 kw star/delta motor. Link to comment Share on other sites More sharing options...
spkam Posted March 19, 2008 Report Share Posted March 19, 2008 Your motor acts as a heavy reactive power sink when it starts, as u require to build but the magnetics , *beep* lot of amout of flux is required hence reactive power demand shoots up. This may be the one of the reasons. Link to comment Share on other sites More sharing options...
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