A 10 hp y-connected 60 hz 380 v three-phase induction, Ask an Expert

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A 10 hp, Y-connected, 60 Hz, 380 V, three-phase induction generator is used to drive a small micropower plant. The generator's load is 500 W for a 4 A line current at 1740 rpm. The rotor resistance is 4.56 Ω at 75°C. The losses are equal to 28 W. A no-load test of the machine gave the following results: P = 215 W, I = 3.0 A, and V = 380 V. Calculate the output power, the efficiency, and the power factor for the given load. If the generator was Δ-connected with the same data as mentioned earlier, what would be the difference in your calculations?

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