a. A three-phase, 220-V, 60-Hz induction motor runsat 1,140 r/min. Determine the number of poles (forminimum slip), the slip, and the frequency of therotor currents.b. To reduce the starting current, a three-phasesquirrel cage induction motor is started byreducing the line voltage to Vs/2. By what factorare the starting torque and the starting currentreduced?

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

A:

Q: 3. Explain how the pulsating mmf of a single-phase induction motor may be considered equivalent to…

A: A single phase induction motor is made up of a single phase winding on the stator and a cage winding…

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: b. Sketch typical torque - speed characteristics for the following classes of Single-Phase Induction…

A: Given following cases of single phase induction motor: Capacitor-Start Induction motor…

Q: PLS ANSWER AS SOON AS POSSIBLE  The rotor resistance and reactance per phase of 4-pole, 50 hz,…

A: The solution is given below

Q: . A4-pole, 50-Hz, 3-phase induction motor has a slip-ring rotor with a resistance and standstill…

A:

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: -than AC to DC Drives e) higher 6. The efficiency of DC to DC converter to drive de motor is- a)…

A: As per guidelines given to us , we can only provide the solution to one question in multiple type of…

Q: a Compare synchronous and induction motor in terms of: cost, starting methods, speed and torque. b…

A: a)

Q: The parameters of the exact equivalent circuit for a three-phase, A- connected, 400-V, 10-hp, 50-Hz,…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: 14 P.14 - A three-phase induction motor with 4 magnetic poles, 60 Hz, rotates with a speed of…

A: Slip: It is the difference between the synchronous speed of the motor and the rotor speed of the…

Q: I need the answer as soon as possible

A:

Q: Three phase induction motors run at constant speed from zero to full load, which can stabilize the…

A:

Q: Example -6. A three-phase, 60-Hz, four-pole induction motor runs at a no-load speed of 1790 r/min…

A: In this question we will find slip, electrical frequency at no load and full load ....Also find…

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

A:

Q: 1 A three-phase, four-pole, star-connected wound-rotor induction motor is to be controlled by…

A: Triac stands for triode for alternating current. It is a three terminal device and has capability to…

Q: EXAMPLE 4.3. A 3-phase, 6-pole, 50 Hz induction motor has a slip of 1% at no load, and 3% at full…

A:

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

A:

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

A:

Q: B) A 120-V, 50-Hz single phase induction motor (split -phase) has the following constants for the…

A: The solution for single phase induction machine is very easy and it can be solved as below

Q: Discuss the ratios of no load current, and starting current of three phase induction motor to its…

A: The explanation and answer are as follows.

Q: a) In the experiment of performance study of three-phase wound rotor induction motor, what are the…

A: 1)Upon adding external resistance on the, a)Motor slip,  The speed of the motor decreases. b)Motor…

Q: For a 3-phase induction motor, what fraction/multiple of supply voltage is required for a…

A:

Q: Q.2 a) Why do we use asynchronous word for asynchronous (induction) motors? b) How are the…

A:

Q: For a 3-phase slip-ring induction motor , the maximum torque is 2.5times the full-load torque and…

A:

Q: parameters of the exact equivalent circuit for a three-phase, connected, 400-V, 10-hp, 50-Hz,…

A: As per Bartleby guidelines we are allowed to solve only one question with maximum three subparts,…

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: With regard to the Methods of starting 3-phase induction motors, what are the disadvantages and…

A: The explanation is as follows.

Q: Q3. Explain why the 1-phae induction motor needs the auxiliary winding? Analyze the different split…

A:

Q: electrical machines Explain the load operation test by drawing the test connection diagram of the…

A: INDUCTION MOTOR: Based on the rotor construction, the induction motor is classified into Squirrel…

Q: Sketch a typical torque vs speed curve for a high efficiency induction motor

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: A three-phase induction motor, at rated voltageand frequency, has a starting torque of 140…

A: A. To determine the full load slip Given: Starting torque = 140% of full-load torqueMaximum torque =…

Q: e. For an induction motor on no-load, how speed, rotor current, stator current, power factor, and…

A:

Q: What is the effect of load on the efficiency of an induction motor?

A: The explanation is as follows.

Q: 5. (a) What would be the effect on the speed-torque characteristics of an induction motor produced…

A: (a) The torque developed in the induction motor is directly proportional to the square of the supply…

Q: Q / What is the benefit, purpose and conclusions of making single-phase induction motors .?

A: consider  the given question;

Q: base on below mentioned Comparison of the performance indexes discuss and advice best induction…

A: Given chart is - Given values are - AAC Ltd. Induction motor-Efficiency=85.9%Speed…

Q: 1. What is the formula for torque production in a single-phase induction motor? Draw a vector…

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

Q: 5. Obtain an expression for the condition of maximum torque of an induction motor. Sketch the torque…

A: We have to derive the expression when the torque of the induction motor is maximum. Thus, I chose…

Q: Q2: A single-phase induction motor with a 4-pole, 50-Hz, 130-V, is rotating in the clockwise…

A: Slip of Induction motor is sycronous speed-rotor speedsycronous speed Forward branch  resistance…

Q: A 3-phase, 440-V, delta-connected, 4-pole 50-Hz induction motor runs at a speed of 1447 rpm when…

A: for a delta connected induction motor V=440V, P=4 poles , f=50 Hz Nr=1447 rpm, X1=X2'=2Ω, r2'=0.4Ω,…

Q: 8) What is an advantage if the starting Torque of the induction motor is higher than the nominal…

A: a) Torque is basically a force when applied to an object rather than push or pull the object it…

Q: What is Equation to find Slip, Output horse power, Torque, Stator current, p.f, Efficiency, From…

A: No load data is given:

Q: A three phase, 50Hz, 6-pole squirrel cage induction motor runs at 960-rpm on full load. The stand…

A: F=50 Hz Poles P=6 Rotor resistance per phase R2=0.01 Ω Rotor resistance per phase X2=0.05Ω Full load…

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

A:

Q: Q.14. What is slip in an induction motor? Q.15. What is the value of slip at start in an induction…

A: Solution: (14) In INduction Motor sleep is defined as the ratio of the difference in synchronous and…

Q: A 6-pole, 50 Hz, 3-phase induction motor runs at 960 rpm while delivering a shaft torque of 120 N-m.…

A:

Q: Q/ Compare synchronous and induction motor in terms of cost, starting methods, speed and torque.

A: An electrical motor is a device that converts electrical energy in to a mechanical energy. Based on…

Q: The rotor resistance and standstill reactance of a 3-phase induction motor are respectively 0.015…

A:

Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.