A 3-phase star connected induction motor has a 4-pole, stator winding. The motor runs on 50 Hz supply with 230 V between lines. The motor resistance and standstill reactance per phase are 0.25Ω and 0.8 Ω respectively. Calculate The total torque at 5 %, The maximum torque, The speed of the maximum torque if the ratio of the rotor to stator turns is 0.67 whilst neglecting stator impedance.

Q: A single-phase induction motor with a starting capacitor, bac th e fellowin icationc:

A: The parameters of a single-phase Induction motor are: R1m=Stator Resistance=2ΩX1m=Stator…

Q: 'hy does a slip occur in the three-phase induction motor? Expla

A: In a three phase induction motor, a three phase supply with a phase difference 120…

Q: Find the magnitude and phase angles of the currents in the is applied to the motor under starting…

A: Given,                 P=1KW            V=120V             f=60Hz   a)…

Q: Calculate the rotor reactance per phase of an 8 pole, 50Hz, 3Ø induction motor which develops a…

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Q: In an induction motor, if the supply voltage is above normal then the machine will operate with High…

A: In this question we need to choose a correct option.

Q: A 115 V,60 Hz, 4 pole 1-phase induction motor rotating in clockwise direction with 1710 rpm. What…

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Q: 4- An induction Motor is a) Self-starting with high torque c) Self-starting with low torque 5- In…

A: (4) Starting of induction motor: Because each phase's winding displacement is 120 degrees, and the…

Q: -Phase 50Hz 6 pole induction motor has rotor resistance of 0.1 ohm and reactance of 0.92. ignore…

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Q: the efficiency of the 1 phase induction motor could be better increased by adding a permanently…

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Q: 1-why the slipoccur in the induction motor? 2- why the slip is less than 1? 3-what the adrantage…

A: The explanation is as follows.

Q: What are the various losses in an Induction motor? On what factors do they depend?

A: the fallowing are the various losses that occur in induction motor:

Q: A freewheeling DC motor is driven with 1000 rpm and a nominal load torque of 80Nm. The field circuit…

A: According to question: Average voltage to field winding is…

Q: A 3-phase induction motor running with 25% slip takes 100kw from the mains. If the stator copper…

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Q: A 300-Vo, 60-Hz, three-phase induction motor is drawing 20 A at 0.75 PF lagging. The stator copper…

A: Power input of a 3-phase induction motor can be expressed as : Pin= VinI.pfwhere,Vin= Input voltageI…

Q: A 4 Pole, 50 Three Phase Motor 25 Kg. The meter produces a maximum torque of 1350 Nm per minute. So…

A: Solution : Given data: pole P= 4 , frequency f=50 ,  Three Phase Motor Tm=  25 Kg, produces a…

Q: The rotor of an induction motor has a moment of inertia of 5kgm2. What is the torque required to…

A: Given data,  Inertia is given as, I=5 kgm2 Final speed Nf=1800 rpm Initial speed Ni=1600 rpm Time t…

Q: If the supply voltage in a three-phase induction motor is reduced by 10%, what will be the…

A: Given, The supply voltage of a three phase induction motor is reduced by 10 %. Let, E1=EE2=0.9E

Q: Calculate the rotor reactance per phase of an 8 pole, 50Hz, 30 induction motor which develops a…

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Q: A 3-phase, 2200-V, delta-connected, 12-pole 60-Hz induction motor runs at no load with rated voltage…

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Q: The number of poles in the rotor circuit of a 3-phase induction motor is O Always two. Zero, because…

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Q: which of the following is sometimes referred to as the motor secondary of a 3 phase induction motor…

A: In 3 phase induction motor supply is given to stator from stator power is induced in rotor through…

Q: series motors has a very high starting torque because its armature resistance is small O True O…

A: Given  A true or false question based on series DC motor. Please find the answer below

Q: Draw the squirrel cage rotor of the three phase induction motor and explain the same.

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Q: What are the following statements are true for a three-phase induction motor? I. Three-phase…

A: Based on the construction and working of three phase induction motor this question can be answered .

Q: (6) The air gap power of 440 V, 50 HZ 6 pole 3- phase induction motor is 100 KW. The rotor frequency…

A: In this question, we need to determine the rotor copper losses per phase. Air gap power is Pg = 100…

Q: I need short presentation about reverse the direction of rotation of three-phase squirrel cage…

A: According to the question we have to explain about reverse the direction of rotation of three-phase…

Q: Find the elements of the equivalent circuit relative to the secondary of a single-phase transformer.…

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Q: A large 3-phase, 4000 V, 60 Hz, squirrel-cage induction motor draws a current of 385 A and a total…

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Q: 1. The operation of Commutator in DC Motor is O a) to convert dc to ac O b) to convert ac to dc O c)…

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Q: 17 Slip against Torque 90 80- 70- 60 50 40 30 20 10 0.4 0.6 0.9 0.5 Slip 01 0.2 0.3 0.7 0.8 In the…

A: Given: Characteristic graph:

Q: A three-phase slip ring induction motor develops full load torque at a slip of 0.04 when the slip…

A: Given- A three-phase slip ring Induction motor develops full load torque at a slip of 0.04 when the…

Q: Q1) A 460-V, 25-hp, 60-Hz, four-pole, Y-connected induction motor has the following impdances in…

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Q: A 460-V, 25-hp, 60-Hz, four pole, Y-connected induction motor has the following impedances in ohms…

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Q: The efficiency of 3-ph induction motor. at (Is=4.5A, T=13 N.m, N=1333 rpm, Pph=864 watt ) is

A: The solution can be achieved as follows.

Q: A 6 pole, 50 Hz, 1-phase Induction Motor runs at a speed of 900 rpm. The frequency of currents in…

A: Given an induction motor with, Total number of poles, P = 6 Frequency, f = 50 Hz Rotor speed, Nr =…

Q: For 4 pole induction motor a ņ 1₁ = √₂² = 0.252 1X₁ =gX₂ =g8 Vel = 480 v Find S Find Smax Find 3…

A: It is given that: p=4r1=r2'=0.2 ΩX1=X2'=8 ΩNm=Nr=1775 rpmVL=480 VAssuming f=60 Hz

Q: electrical and mechanical properties of an induction motor at no load, nominal load, and breakdown

A: Induction Motor- Induction motor is a motor which is also known as AC motor in which current…

Q: how does the rotor of a 3-phase induction motor get power a-  through brushes and commutador…

A: In this question we need to choose a correct option.

Q: Write a summary ( point) about equivalent cricuit of three phase induction motor .

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Q: A 460 V, 25 hp, 60 Hz, wye-connected, four-pole induction motor has the following impedances in ohms…

A: Note : As per the rules we can answer only 3 sub-parts, please post the remaining sub-parts as the…

Q: a) 5A The synchronous speed of a 4 pole, 3-phase Induction motor is 1800 rev/min. The frequency of…

A:

Q: (V/F) speed controt can be adopted in wound rotor induction motor? Hue, False

A: In any three phase induction motor, there are two main parts which are stator and rotor. The stator…

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.