Motor Performance Charts with Operating Voltage

Motor Performance Charts with Operating Voltage
Operating voltage always plays a very significant role on performance of induction motors which are the machines having a  major load share in any industry. Almost 60 % of majority industrial load would be of induction motor and any deviation in their performance will have a effect which is clearly quantifiable.     

A simple and effective energy saving measure for any industry to take up is the maintenance of  optimum voltage level depending upon the application. Just a OLTC feature in the distribution transformer will help in this regard.

Below are the charts representing effects of overvoltage and under voltage on the motors.

Undervoltage effects on Motor
Motor Performance at Under Voltage - 90%

Motor Performance at Over Voltage - 110%

Over voltage effects on Motor
Motor Performance at Over Voltage - 120%

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