Physics · Electrical Machines
How is dynamic (rheostatic) braking typically accomplished in a polyphase induction motor?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1By short-circuiting all the motor terminals together while keeping the AC supply connected.
- 2By connecting high-value capacitors in parallel with the stator windings.
- 3By disconnecting the stator from the AC supply and feeding it with a DC source.✓
- 4By suddenly reversing the phase sequence of the AC supply.
Correct answer
By disconnecting the stator from the AC supply and feeding it with a DC source.
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