Question: No - load test on the three - phase induction motor gives information about excitation current and rotational losses. Applying rated voltage and frequency to

No-load test on the three-phase induction motor gives information about excitation current and rotational losses.
Applying rated voltage and frequency to the stator windings performs this test. The motor is not loaded so that a
small power loss is due to the core loss and the friction and windage loss. The rotational losses are considered to
be constant for an induction machine.

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