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The power factor of induction motors varies with load, typically from around 0.85 or 0.90 at full load to as low as about 0.20 at no-load.
At no load, an induction motor draws a large magnetizing current and a small active component to meet the no-load losses.
Therefore, the induction motor takes a high no-load current lagging the applied voltage by a large angle.
Hence the power factor of an induction motor on no load is low.
At no load, an induction motor draws a large magnetizing current and a small active component to meet the no-load losses.
Therefore, the induction motor takes a high no-load current lagging the applied voltage by a large angle.
Hence the power factor of an induction motor on no load is low.
Released for: Schneider Electric Egypt and North East Africa
