Operating an induction motor with one phase missing will cause damage to that motor unless it is appropriately protected. Additionally, operating an induction motor with an imbalance in the supply voltage will cause an increase in the losses in the motor and consequently can result in premature motor failure unless it is de-rated.
This paper explains the increase in losses and the need to de-rate your motor in order to prevent premature motor failure.
Register below to be sent your copy of this simple step by step guide on how to ensure that you understand how much to derate your induction motor when there is a voltage imbalance.
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