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How do you control a 3 phase motor?

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How do you control a 3 phase motor?

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Speed of a 3 Phase Induction motor can be controlled by these methods: Stator Voltage control.
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The speed controls of three phase induction motor from rotor side are further classified as:
  1. Adding external resistance on rotor side.
  2. Cascade control method.
  3. Injecting slip frequency emf into rotor side.
Nov 30, 2016

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