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ElectricalElectric Drives
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In a 3-phase voltage source inverter used for speed control of induction motor, antiparallel diodes are used across each switching device. The main purpose of diodes is to

A

Protect the switching devices against overvoltage

B

Provide the path for freewheeling current

C

Allow the motor to return energy during regeneration

D

Help in switching off the devices

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