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A 20 h.p. , 3 phase, 400 volt, 60 hertz, 4 pole induction motor delivers full load at 5% slip. The mechanical rotational losses are 400W. Calculate
(a) The electromagnetic torque,
(b) The shaft torque, and
(c) Rotor copper losses.
Norton's theorem procedure: 1. Remove R L from the circuit. Search I N by shorting links output terminal. 2. Search R N by short-circuit voltage source or open-circuit
dc to ac converter by IBGT
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Give the applications of steel. Steel : It contains iron with a small percentage of carbon added to this. Iron itself is not extremely strong but while carbon is added this as
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