Sohail Ansari

Home » Electrical Machines » Induction Machine » why in most application prefer delta connection on induction motors? what happen if we use star connection?

why in most application prefer delta connection on induction motors? what happen if we use star connection?

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Electrical EngineeringWe prefer star connection at the time of starting in order to reduce phase voltage and prevents the motor from getting damaged. Once the motor runs at some speed then we use delta connection so that all the line voltage goes to the phase and the motor runs at maximum speed.

It is so popular in rural water pump set motors in
India and Star Delta starters are manufactured by local artisans (these are so simple).

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