Engineering, 17.04.2020 02:26 sairaanwar67
In a 2-pole, 208 V (line-to-line, rms), 60-Hz, motor, Rs 1⁄4 0:5 Ω, R0r 1⁄4 0:45 Ω, X‘s 1⁄4 0:6 Ω, and X 0‘r 1⁄4 0:83 Ω. The magnetizing reactance Xm 1⁄4 28:5 Ω. This motor is supplied by its rated voltages. The rated torque is developed at the slips 1⁄4 0:04. At the rated torque, calculate the rotor power loss, the input current, and the input power factor of operation.
Answers: 1
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Ahouse has the following electrical appliance usage (1) single 40w lamp used for 4 hours per day (2) single 60w fan used for 12 hours per day (3) single 200w refrigerator that runs 24 hours per day with compressor run 12 hours and off 12 hours find the solar power inverter size in watt with correction factor of 1.25.
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Air is compressed isentropically from an initial state of 300 k and 101 kpa to a final temperature of 1000 k. determine the final pressure using the following approaches: (a) approximate analysis (using properties at the average temperature) (b) exact analysis
Answers: 1
In a 2-pole, 208 V (line-to-line, rms), 60-Hz, motor, Rs 1⁄4 0:5 Ω, R0r 1⁄4 0:45 Ω, X‘s 1⁄4 0:6 Ω, a...
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