A 480 V, 2-poles, 60 Hz, Y-connected induction motor has an inductive reactance of 4ohm and the resistance of R, = 0.2ohm and R', 0.3ohm. The motor is driving a constant-torque load of 150 Nm at a speed of 3500 rpm. Assume that this torque includes the rotational components. Calculate the motor speed and starting current if the frequency is decreased to 50 Hz.

Q: Q#4: Obtain an expression for the condition of maximum torque of 3-phase induction motor. Sketch the…

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Q: A 30 60-Hz induction motor runs at 715 rpm at no load and at 670 rpm at full load. The slip-torque…

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Q: Q1/Prove that the power developed by a three-phase induction motor is maximum when the equivalent…

A: The Thevenin equivalent circuit of a 3 phase induction motor can be represented as, now,…

Q: A 30 induction motor has a 4-pole, Y-connected stator winding. The motor runs on a 50Hz supply with…

A: Three phase induction motor convert the electrical energy to mechanical energy. It consists a rotor…

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: QI/Prove that the power developed by a three-phase induction motor is maximum when the equivalent…

A: in the case of the induction machine, we have stator side referred reactance as X01 and resistance…

Q: Derive the speed torque characteristics of induction motor from its equivalent circuit and also…

A: We have given the following problem

Q: Explain how the pulsating mmf of a single-phase induction motor may be considered equivalent to two…

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Q: Explain how the pulsating mmf of a single-phase induction motor may be considered equivalent to two…

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Q: A wound rotor, induction motor has a rotor resistance of 0.6 ohms per phase and a rotor leakage…

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Q: A three-phase, 50-Hz, 6-pole induction motor develops a useful torque of 120 Nm at full-load, while…

A: Given : Pole = 6  Frequency =50 HZ  Useful Torque = 120 Nm Rotor Frequency = 2 HZ torque Lost = 10…

Q: Q1/Prove that the power developed by a three-phase induction motor is maximum when the equivalent…

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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: Problem 4. A two-pole induction motor operates with the following parameters: slip = 5%, total…

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Q: Draw the approximate equivalent (without Xm) circuit of an induction motor and derive the equation…

A: Induction motor working Principle When an ac supply is connected to a stator it creates a rotating…

Q: A four-pole 60-Hz 240-V-rms induction motor operates at 1750 rpm and produces 2 hp of output power.…

A: Given: A induction motor has Poles, P=4 Frequency, f=60 Hz Rated voltage, Vs=240 V Motor speed,…

Q: (c) Briefly explain the operation of an alternator. A 440 V, shunt motor has armature resistance of…

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Q: A 3-phase 6-pole Y connected induction motor is supplied from a 3-phase 50 Hz AC source. it draws an…

A: synchronous speed=120×fP. power input to rotor= power input to stator- stator losses. Mechanical…

Q: Consider a 3-phase, 4 Pole, AC induction motor being driven at 75 Hz. Initially, the motor is…

A: Given, number of poles P= 4  frequency f= 75 HzSynchronous speed Ns = 120×fPNs=120×754Ns=2250 rpm

Q: 4. A 3 phase,60HZ ,6 pole induction motor has a full load slip of 5%. The rotor resistance is…

A: To find the speed of the induction motor at which maximum torque occurs

Q: ...... 4. The eddy current loss of ac motor is 100W at SOH2. Its loss at 100HZ will be S B) A…

A: As per Bartleby guidelines we are allowed to solve only one question, please ask the rest again.

Q: Type your question here A 6- pole, 50 Hz 3-phase induction motor has a full load slip of 4 percent.…

A: Here induction motor is given and we have to find speed at maximum torque and full load torque

Q: A 80 kW, 480-V, 60-Hz, six pole induction motor has a slip of 5 percent when operating at fullload…

A: A 80 kW, 480-V, 60-Hz, six pole induction motor has a slip of 5 percent when operating at full load…

Q: Explain how the pulsating mmf of a single-phase induction motor may be considered equivalent to two…

A: Given, Output power, Pout=125 WNumber of pole. P=4Supply voltage, Vs=110 VFrequency, f=50 HzNo load…

Q: Q1: A single-phase induction motor is rotating at a speed of 1790 rpm. Its rated nameplate is;…

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Q: A certain 60Hz, four-pole split-phase induction motor spins at 1760rpm when running with no torque…

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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: A loaded three phase induction motor with three pair of poles stator coil (pp=3) is supplied by an…

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Q: (a) A standard 3-phase, 10-pole, squirrel-cage induction motor is rated at 460 V, 50 Hz. We want the…

A: In this question,  Find the voltage and frequency if the no load speed No= 300rpm .  Rated voltage…

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: 1- In a three-phase induction motor iron losses in stator will be... that in rotor.

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

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.