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Power module design considerations and optimization for Inverter motor drives

Electric motors are used to drive a wide variety of loads - fans used in air conditioning systems, pumps providing fresh water, and the motors to drive manufacturing equipment in factories are just a few examples.

Traditionally, these motors were connected directly to the power supply from the utility grid.

As the grid operating frequency is fixed, the motors ran at a constant speed with no direct control of the torque.

Today’s motor drives use frequency inverters which control the speed and torque of the motor.

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