A 17 kW, 480 V, 60 Hz, 2 poles, 3510 rpm, Y-connected squirrel cage induction motor has following parameters referred to the stator: R, = 0.2 N, R, = 0.3 N, X, = X, = 2 N. Motor speed is controlled by stator frequency control. The torque equation of the fan is given by TL = 0.0036 w?. 1- Calculate: • The current at 60 Hz. AZ The torque at 60 Hz. T = N.m 2- If the frequency is decreased to 30 Hz, calculate: The motor speed N RPM The starting current AZ

Q: A four-pole, three-phase induction motor rotatesat 1,700 r/min when the load is 100 N-m. The motoris…

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Q: A three-phase induction motor, operating at rated voltage and frequency, has a starting torque of…

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Q: A 6-pole, 60-Hz, Y-connected, three-phase induction motor develops a torque (Td) of 250 N.m at a…

A: According to question: The synchronous speed and slip of the motor is calculated as…

Q: A four-pole induction motor drives a load at 2405 rpm. This is to be accomplished by using an…

A: The number of poles, P=4 The RPM of the induction motor, NR=2405 RPM The input voltage to the…

Q: Explain how the power flows in an induction machine, where losses occur and how they can be…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 5. (b) A 6-pole, 50 Hz, 3-phase induction motor running on full load develops a useful torque of 200…

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Q: 1) When a synchronous motor is running at synchronous speed, the damper winding Produces......…

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Q: - Three phase induction motor has rating of 50 kW, 960 rpm, 400 V. 50 Hz, 6-pole. The motor…

A: The polarity of the back EMF and armature voltage is not the opposite. As a result, the armature…

Q: (a) A 3-phase induction motor is being supplied at constant voltage and frequency. It drives a load…

A: The answer is given below steps

Q: A 220 V. 50 Hz. 4 pole. 1440 rpm single phase induction motor has: R,=52. R; - 5.6 2. X120 2. X, X;…

A: synchronous speed is Ns=120×504=1500 rpm   slip is s=1500-14401500=0.04

Motor Load, Torque, and Power Quality Requirement

An electric motor is a gadget that changes electrical energy into mechanical energy over to follow up on a mechanical burden. The weight set on the motor because of this mechanical movement is known as motor load. Appropriately matching the motor burden to the engine is vital to forestall harm to the engine or wasteful and unnecessary expensive activity. Engines perform such undertakings as moving a thing starting with one spot then onto the next, cutting it, changing its shape, etc. The motors might be evaluated as far as a few variables including power yield, voltage, current, and temperature. Harm to an engine might happen when it is worked under over the top engine load contrasted with its appraised limit.