Physics, 21.02.2020 02:20 andrewhayward
A three-phase motor is connected to 480 V and has a starting current of 522 A. The motor is located 300 ft from the power source. The voltage drop to the motor cannot be greater than 5% during starting. What size copper conductors should be connected to the motor?
Answers: 2
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What challenges did you encounter during the circuit training program?
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Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k
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2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.
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Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.
Answers: 3
A three-phase motor is connected to 480 V and has a starting current of 522 A. The motor is located...
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