Electrical_Power_Drivers-_ET3026WB-Chapt14_example_questions

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Unformatted text preview: ull‐load speed of 590r/min. The line voltage drops to 1944V. What is the new power output in hp? a) 299.5hp. b) 301.5hp. c) 298hp. d) 300.5hp. 14.14 (1) A 300hp, 2300V, 3‐phase, 60Hz squirrel‐cage induction motor turns at a full‐load speed of 590r/min. The line voltage drops to 1944V. What is the new approximate value of the rotor I2R losses? a) 5.3kW. b) 223kW. c) 227kW. d) 300kW. 14.15 (1) We wish to make an asynchronous generator using a standard squirrel‐cage induction motor rated at 40hp, 208V, 870r/min, 60Hz as in the figure below. The generator is driven at 2100r/min by a gasoline engine, and the load consists of three 5Ω resistors connected in...
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