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1. An eight pole synchronous generator used in a WECS is connected to power grid having 50 Hz frequency. What would be the rotational speed of the rotor? If this machine is connected to US grid what would be its rpm? What would be the rpm of two pole and four pole machine for US grid? (Points 5+5+5+5 20)

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Giiven Ihat (1 12060-Qso rpm 4

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