When a three-phase induction motor operates with a severely imbalanced voltage supply, which direct consequence is most likely?

💡 Explanation

When a three-phase voltage supply is imbalanced, circulating currents appear in the stator windings because the negative sequence component induces opposing magnetic fields driving localized high currents. Therefore, increased resistive heating is the direct result, rather than uniform reduction, efficiency gains, or harmonic cancellations which depend on balanced operation.

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