in Three Phase Induction Motor Load Test , Plot the relationship between the current and all the value for Torque , Speed , and efficiency
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: 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: The rotor resistance per phase of a 4-pole, 50 Hz, 3-phase induction motor are 0.024 and 0.1. ohm…
A: Given induction motor with Rotor resistance R2=0.024 ΩRotor reactance X2=0.12 Ωpoles p=4frequency…
Q: 1) Explain why we fixed the ratio of V/f in experiment to control the speed of three phase induction…
A: if we decrease frequency flux increases but at the same time if we decrease voltage flux will also…
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: How double field is produced in single phase induction motor? Draw the torque-speed characteristics.
A: single-phase induction motor as the name suggests it is run by a single-phase power supply. similar…
Q: A three phase induction motor designed for a rated voltage of Vi at 50 Hz is accidentally switched…
A: according to guidelines we need to solve only the first question. According to the question we have…
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…
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Q: A three-phase induction motor used for a commercial application in Oman runs at 586 rpm at no load…
A: Given Data N = 586 full load speed = 546 oman frequency = 50 Hz
Q: Given the above approximate equivalent circuit for a 440VLL, 60 Hz, 3-phase, 1728 rpm, wye-…
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Q: 22- With neat diagram explain slip ring rotor of 3-phase induction motor. Also draw and explain the…
A: Slip ring rotor of 3-phase induction motor :- The rotor of this motor consists of a cylindrical…
Q: Q1: A single-phase induction motor is rotating at a speed of 1790 rated nameplate is; 150-V, 60-Hz,…
A: Let Ns be synchronous speed =120×604=1800 rpm Nr be rotor speed =1790 We will use fallowing formulae…
Q: What is the value of the slip of an induction motor at rated speed?
A: Answer:The value of slip is zero.
Q: 3-phase 3730W, 220V, 6-pole and 50 Hz induction motor operates at full load with a slip of 0.025.…
A: Power developed = output power + friction + windage losses and stray load losses. Airgap power =…
Q: 8. A4-pole, 50-Hz, 3-phase induction motor has a slip-ring rotor with a resistance and standstill…
A: as per our guidelines we are supposed to answer?️ only one question. Kindly repost other questions…
Q: 3. Compare 3 phase synchronous motor with 3 phase induction motor as regards : (i) cost and size , (…
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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: 3 phase induction motor has max. torque of 250% and the starting torque of the 150% with respect to…
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Q: Q5//Answer for the following question: 1- Can we get maximum torque at start in an induction motor,…
A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…
Q: A 4 pole 3 phase induction motor produces test results outlined in Table Q4c when operating from a…
A: Given P=4 Note : G5 not given , we assume G5 =2 Phase voltage Vph=2G50 V =220 V f=50 Hz INL =1.61…
Q: what is the synchronous speed (rpm) given a six-pole induction motor with 40 cycles/second?
A: In this question we need to find a synchronous speed of the given induction motor.
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: A 6-pole and three-phase induction motor has synchronous speed of 1235 RPM. a)Find the no-load and…
A: Given data: The number of pole is: 6 The synchronous speed is: 1235 rpm The expression for the…
Q: For a 3-phase induction motor, what fraction/multiple of supply voltage is required for a…
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Q: Q4. What do you mean by circle diagram of a 3-phase induction motor? Answer the following: (i) (ii)…
A: A circle diagram, a graphical representation of the performance of an electrical machine. This is…
Q: A 10-hp six-pole 60-Hz three-phase induction motor runs at 1160 rpm under full-load conditions.…
A: Given data: p=6n=1160 rpmf=60 Hz The expression for the synchronous speed is given as,…
Q: A synchronous motor has a synchronous reactance of 0.8 pu and a transient reactance of 0.25 pu. The…
A: The synchronous motor has a synchronous reactance of 0.8 pu and a transient reactance of 0.25 pu.…
Q: Q1: A single-phase induction motor is rotating at a speed of 1790 rpm. Its rated nameplate is;…
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Q: Q4) Is an induction motor self-starting? Clarify this on the Torque/Speed characteristics
A: Self starting motors are the motors which don't require any external startup to develop initial…
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: What are the main parts of an single phase induction motor?Explain the function of each.
A: Q1. - What are the main parts of an single phase induction motor?Explain the function of each.…
Q: For a load such as PWM adjustable speed drives, the true power factor is equal to the displacement…
A: the true power factor is same as the displacement power factor in case of the linear load.
Q: A three phase induction motor designed for a rated voltage of V1 at 50 Hz is accidentally switched…
A:
Q: A 3-phase induction motor, 440-V, 50-Hz, 6-pole, delta-connected has the following…
A: Question contained many subparts and each subpart has multiple subparts. We are authorized to answer…
Q: a 220v dc shunt motor takes 5a and 40a at no load and full load respectively it has an armature…
A: Calculate the current in the field winding. If=220 V110 Ω=2 A
Q: The rotor of a four-pole, 50 Hz slip-ring induction motor has a resistance of 0.2 Q per phase and…
A: Given data: A slip ring induction motor has, Number of pole, P = 4 Frequency, f = 50 Hz Resistance,…
Q: 4-25- six pole. Three phase. 40-hp, 60-Hz induction motor has an input when loaded of 35 kw, 51A ,…
A: Given data: At loading condition: 35 kW, 51 A, 440 V At no load: 2.3 kW, 21.3 A
Q: 4. In a three-phase induction motor power factor at starting is ..... while running. Why? 5. What…
A: 4) In three phase induction motor power factor at starting is low compared to power factor while…
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: 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: 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: a) In the experiment of performance study of three-phase wound rotor induction motor, what are the…
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Q: 1. The rotor resistance and reactance per phase of a three-phase wound rotor induction motor are…
A: In this question induction motor is given....We have to find out full load speed , speed at maximum…
Q: During stator voltage control of Induction motor drives, Relationship of Torque (T) with Vrms is…
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Q: a) If the torque pulled from the shaft is doubled while the asynchronous motor is working in the…
A: As per our policy, i have to attain only one question. Solution a)- In the asynchronous motor's…
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…
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- A three-phase induction motor, operating at rated voltage and frequency, has a startingtorque of 1.35 times and a maximum torque of 2.2 times, both with respect to its rated-loadtorque. Ignoring the effects of the stator resistance and rotational losses and assumingconstant rotor resistance, determine the slip at the maximum torque;A 3-phase, 6-pole induction motor is rated 400Hz, 150V, 10hp, 3% slip at rated power output. The windage and friction loss is 200W at rated speed. With the motor operating at rated voltage, frequency, slip, and power output, determine the output torque.A three-phase induction motor, operating at rated voltage and frequency, has a startingtorque of 1.35 times and a maximum torque of 2.2 times, both with respect to its rated-loadtorque. Ignoring the effects of the stator resistance and rotational losses and assumingconstant rotor resistance, determine the slip rated load, and the rotor current at starting (as a percentage of the rotor current at rated load). The slip at maximum torque is 0.343 if that helps.
- A three phase, 4 pole, 3300 V, 50 Hz, star connected Induction motor, has identical primary and referred secondary impedance of value 3+j9 Ohm per phase. Using the approximate circuit, calculate: A. The full load torque at rated slip of 5%. B. The maximum torque at normal voltage and frequency.A three phase, 50Hz, 6-pole squirrel cage induction motor runs at 960-rpm on full load. The stand still rotor resistance and reactance per phase are 0.01 ohm and 0.05 ohm respectively. Express the maximum torque developed in terms of full load toque. Find the slip at which the maximum torque occurs.3 phase induction motor has max. torque of 250% and the starting torque of the 150% with respect to the full load torque. Neglect the stator loss and considering the rotor resistance constant. Find the slip at the maximum torque.
- a 220v dc shunt motor takes 5a and 40a at no load and full load respectively it has an armature resistance of 0.2 ohm and field resistance of 110 ohm respectively. iron,friction and windages losses are negligible.then using among parameters find following. the ratio of emf at no load to full load1. What is the formula for torque production in a single-phase induction motor? Draw a vector diagram for capacitor start single-phase induction motor.2. Which type of starter is popular for using in induction motor and why?a 220v dc shunt motor takes 5a and 40a at no load and full load respectively it has an armature resistance of 0.2 ohm and field resistance of 110 ohm respectively. iron,friction and windages losses are negligible.then using among parameters find following. the armature current at no load
- For a load such as PWM adjustable speed drives, the true power factor is equal to the displacement power factor. " True False3-phase 3730W, 220V, 6-pole and 50 Hz induction motor operates at full load with a slip of 0.025. The sum of the rotational losses including friction + windage losses and other (stray load) losses is 5% of the output power. Find the induced (electromagnetic) moment at full loadA 80 kW, 480-V, 60-Hz, six pole induction motor has a slip of 5 percent when operating at fullload conditions. At full-load conditions, the friction and windage losses are 300 W, and the core losses are 400 W. For full-load conditions, compute the induced torque,T-ind, in N-m.