The test results for the approximate equivalent circuit of a three-phase induction motor are shown below. No-load...

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Electrical Engineering

The test results for the approximate equivalentcircuit of a three-phase induction motor are shown below.
No-load test: equivalent applied voltage 120 V, input current 5 A,equivalent input 480 W
Restraint test: Applicable voltage 20V, input current 40A,equivalent input 480W

Determine the equivalent circuit constants of Rc, Xm,Rs + Rr, and Xs + Xr
when friction and wind losses are ignored.

Answer - 30Ω, 40Ω, 0.3Ω, 0.4Ω

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