A 60-Hz induction motor is needed to drive a load at approximately 850 rpm. How many poles should the motor have? What is the slip of this motor for a speed of 850 rpm?

Q: A three-phase, 4-pole, 60 Hz induction motor has a full-load speed of 1746rpm. What is the slip…

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Q: 1) answer the questions below. e) How can we calculate the speed of the induction motor provided…

A: IM is a very important AC machine drive and used in many applications like water pumping system,…

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-3-phase induction motor is required to be operated at about 700 rpm. What will be the number of…

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Q: Capacitor-run motor has better power factor while running but it has low starting torque, why?

A: A capacitor run motor has two capacitor, out of which C1 (run-capacitor having 2 to 2.5 micro farad)…

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

A: Given three phase induction motor withpoles p=6frequency f=60 HzRotor resistance r2=0.002…

Q: If a 3-ph induction motor has the following data: The speed at zero value of induced torque is…

A: Explanation: slip = 5% = 0.05 Sinchonous sped Ns = 3000/π rpm Full load torque Tfl = 170 Nm

Q: A 50 Hz, 8 pole, 3 phase induction motor has full load slip of 4%. The rotor resistance is 0.001…

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Q: A 50 HP, 440 V, 3 Phase, 60 Hz, 6 Pole squirrel cage induction motor is operating at full load and…

A: Given data, Rating of motor P0=50 Hp = 50×746=37300 W Frequency f = 60 Hz Number of poles P = 6 Slip…

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: A 3 phase,50Hz ,8 pole induction motor has a full load slip of 4%. The rotor resistance is…

A: The ratio of the maximum torque to full load torque is given by the expression as shown below:…

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

A: Note: As per our honor code, we are authorized to answer up to 3 sub-parts, we’ll answer the first…

Q: A three-phase. 50 Hz. 4-pole induction motor runs at no-load with a slip of 1%. With full load, the…

A: Given 4 pole, 50 Hz I.M has no load slip 1%4 pole, 50 Hz I.M has full load slip 5%NS = 1500 rpmN0=Ns…

Q: A 6-pole, 50hz, 3-phase induction motor has a fully load speed of 950 rpm. Its speed in Rpm at half…

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Q: What are the effects of slip in the slip-ring induction motor? A. No effects B. Changes the change…

A: Given statement:→What are the effects of slip in the slip-ring induction motor.given options to…

Q: A three-phase, 60 Hz induction motor operates at a slip of 2.5% and a speed of 1170 RPM. a. What is…

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Q: The effect of connecting a 50-Hz motor to a 60-Hz circuit and increasing the motor voltage by 6/5…

A: Ans)  A. output power will increase  Reason: Let us assume voltage input for 50 Hz case is 'V' , the…

Q: An induction motor has rotor resistance of 6 (ohm) and reactance of 8(ohm). Neglect stator…

A: Given values are - Rotor resistanceR2=6OhmRotor reactanceX2=8OhmStator resistanceR1=0OhmStator…

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

A: Slip at maximum torque Sm=Stand still resistance stand still reactance Rotor speed=(1-Sm)*Ns…

Q: 5. A 50 Hz,8-pole, 3-phase induction motor delivers an output of 3-1 kW at a slip of 0-02. The…

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Q: The power input to a 500V, 50Hz, 6 pole, 3 squirrel cage induction motor running at 975 RPM is…

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Q: A 3 phase,50HZ ,8 pole induction motor has a full load slip of 4%. The rotor resistance is 0.0010/ph…

A: Given,  Frequency,f =50Hz Pole, P=8 Slip, S=4%=0.4 Rotor resistance, R=0.001 Ohm Rotor reactance,…

Q: An 8-pole, 50 Hz induction motor has a full load slip of 2.5 percent and a maximum torque of twice…

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Q: 200 +21. If maximum torque of an induction motor is kg-m at a slip of 12%, the torque at 6% slip…

A: Given: The torque is 200 kg-m The maximum torque slip is sm=12% The objective is to determine torque…

Q: The starting current of an induction motor is 5 times the full load current while the full load slip…

A: Given, The starting current of an induction motor is 5 times the full load current. Ist=5 Ifl Full…

Q: 4. A 3 phase,50Hz ,8 pole induction motor has a full load slip of 4%. The rotor resistance is…

A: It is given that: P=8f=50HzSfl=0.04r=0.001ΩphX=0.005Ωph

Q: If the frequency applied to a 3-ph induction motor is increased by 44%, then the ratio of the…

A: Electrical machines can be either generator or motors. They can be either Ac machines or DC…

Q: Which of the following type of induction motor torque and slip can be changed easily? a. Non Salient…

A: In this question , we will write about induction motor in which torque can be changes easily....

Q: 8. A 18600 W induction motor with six poles operates at 60HZ and shows a full-load slip of 6%: i)…

A: Note: We are authorized to answer three subparts at a time since you have not mentioned which part…

Q: The rotor of a 6 pole, 50 Hz, 3 - 6 induction motor has a resistance of 0.2 2 per phase and runs at…

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Q: At standstill condition , the slip of induction motor is 1. Select one: O True O False

A: Given  At standstill the slip of induction motor is 1

Q: Q-2:- A30, 460 V, 100 hp, 60 Hz, four-pole induction motor delivers rated output power at a slip of…

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Q: A 3 phase,50Hz ,8 pole induction motor has a full load slip of 4%. The rotor resistance is 0.001Ω/ph…

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Q: Which of the following can be said about the power factor of an induction motor? a) power factor is…

A: The power factor of induction motors varies with load, typically from around 0.85 or 0.90 at full…

Q: When a particular induction motor is started at its full-rated voltage, its starting torque is 20%…

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Q: 12. The nameplate speed of a 60 Hz induction motor is 1750 rpm. If the speed at no-load is 1795 rpm.…

A: Given, An induction motor has following data mentioned on its nameplate Speed, N=1750 rpm No load…

Q: Name the type of three-phase induction motor, which is used for high starting torque application O…

A: Given :   General motors are required in the high power application devices or power systems.   For…

Q: induction motor

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Q: The starting torque of a 25-hp 720-rpm synchronous motor is 150 per cent of its rated torque.…

A: From the question, it is given that Starting torque (TS) of a 25-hp 720-rpm synchronous motor is 150…

Q: A 6-pole, 3-phase, 50 Hz induction motor develops a maximum torque of 30 Nm at 960 r.p.m. Determine…

A: An induction motor, also known as an asynchronous motor, is an AC electric motor in which the…

Q: If the star-connected rotor winding of a 3-phase induction motor has a resistance of 0.0192per phase…

A: It is given that : R=0.01 ΩphX=0.08 Ωph

Q: A six pole, 3-0, 50 Hz induction motor has a rotor resistance and rotor reactance of 0.02 Q and 0.13…

A: In starting the torque is 75% of the maximum torque, hence, the ratio of them will be 0.75. The…

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

A: The per-phase equivalent circuit parameters referred to the stator of a 4-pole, 25 hp, 460 V, 60 Hz,…

Q: How would you reverse the direction of rotation of an induction motor?

A: We can reverse the direction of rotation of an induction motor by changing the direction of rotating…

Q: A 5-hp four-pole 60-cycle three-phase induction motor with a wound rotor draws 4,590 watts from the…

A: Given HP - 5, frequency F = 60 Hz, P = 4, Power = 4590 W, Pcu = 390 W, Pcore = 250 W, Pfw = 70 W…

Q: A 3 phase, 4 pole, induction motor has rotor resistance of 0.04 W per phase. The maximum torque…

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Q: What would be the number of poles if an induction motor runs under stable condition with a constant…

A: Given, Induction motor speed, Nr=1250 rpm Frequency, f = 50 Hz

Q: An 8-pole, 50 Hz induction motor has a full-load slip of 3% and a maximum torque of twice the…

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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.