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jyotiba

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How to calculate approximate load loss of a distribution transformer by knowing %ge imp of transformer?

Electrical Engineering 2209

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Question { 6007 }

if the supply frequency increases what happens to the motor load

Answer

Assume motor having torque of 'X' Nm is of frequency 50Hz and voltage of 400V . if the frequency of the motor increased to 60Hz , in order to achieve same torque the V/F ratio should be same in either case. so motor may take more current in higher frequency to achieve same torque.

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