A 6 pole 3 phase induction motor develops 30 H P including mechanical losses totalling 2 HP, at a speed of 950 RPM on 550 volt, 50 Hz mains. If the stator copper loss is 2KW and core losses are negligible, calculate the line current at 0.88 power factor. (A) 34. 4 A  (B) 27.5 A  (C) 32.34 A  (D) 36.5

Q: (a) The reactance's of the alternator during the periods of the subtransient, transient and steady…

A: Given : XL=0.15 ΩXD=0.24 ΩXF=0.44 ΩXa=0.7 Ω Step 1 : Calculate transient reactance  Transient…

Q: What will be the operating power factor of a 3-phase induction motor, whose ratings are 230 V, 50…

A: Given-          V=230Vf=50 HzP=120 hppoles=4η=92%il=260 Acore loss=1710 Wstator loss=2830 W…

Q: When slip of a three phase induction machine becomes negative, it will be functioning as a motor.…

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Q: If the no-load speed of a squirrel cage induction motor connected to a three-phase, 50 Hz is 12.…

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Q: Describe the simulation of three phase induction motor

A: Three Phase Induction Motor: A three-phase induction motor is an electro mechanical energy converter…

Q: We use stroboscope to calculate the torque of three- phase induction motor?* True False

A: Scroboscope is used to measure the speed of induction motor.

Q: Check all the correct statements on AC machines (induction and synchronous) below. O The current…

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Q: A four-pole induction motor drives a load at 2575 rpm. This is to be accomplished by using an…

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Q: The voltage regulation of an alternator having 0.75 leading power factor load, no-load induced emf…

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Q: component is fabricated using cast iron in an Induction motor. Bearings Stator frame Rotor stator…

A: 3-Phase Induction Motor- 3-Phase induction machine- When three-phase stator displaced by 120' is…

Q: A 8 pole, three-phase, star-connected alternator has an armature with 140 slots and 6 conductors per…

A: 3 phase star connected alternator has  8 pole, total no of slot =140 6 conductor per slot Speed N=…

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 an induction motor:

Q: 1. Differentiate an Elemental Semiconductor from a Compound Semiconductor. Explain one advantage of…

A: Semiconductor- semiconductor are the element whose conductivity lies between conductivity of…

Q: he speed of an induction motor fed from a 3-phase and 50 Hz source is 1440 rpm, so which of the…

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Q: What are the losses types of 3-phase induction motor?

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

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Q: There are 72 slots in a 3-phase, 8-pole, 50 Hz, star connected alternator. There are 2 conductors in…

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Q: a) The rotor power output of a 3-phase induction motor is 15 kW and the corresponding slip is 4%.…

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Q: The power supplied to a three-phase induction motor is 20kW and the stator losses are 1000W. If the…

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Q: The armature of a DC machines is made up of If a 3-phase induction motor has synchronous speed of…

A: find explanation below

Q: A 50 Hz, 3-phase induction motor is working at a full load speed of 1440 r.p.m. The number of poles…

A: Full load speed = 1440 f = 50 Hz

Q: A balanced three phase induction motor has an efficiency of 0.85 when its output is 44.76 kW. At…

A: In this question,   We need to determine the slip of the induction motor?  If output power Po=…

Q: The REPET-UNTIL high level language statement executed in assembly in the following segment program:…

A: Count value stored in register CL in step 1 And the loop will executed until it becomes zero. Hence…

Q: 2. A 36, 60 Hz, 6 pole, wye-connected induction motor is rated at 600 hp (1 hp = 746 W) and 800 V.…

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Q: A 4-pole, 3-phase alternator drives at 1000 r.p.m. is supplying to an induction motor which has full…

A: Given: 3 Phase Alternator P = 4 Ns = 1000 RPM Full load Speed = 2880 RPM

Q: The synchronous speed for 60 Hz induction motor can be equal to 3000 RPM. O True O False

A: An induction motor is a self starting motor and it doesn't run at the synchronous speed

Q: If a 4-pole induction motor has a synchro- nous speed of 1500 rp.m., then, supply fre- quency is (1)…

A: Given, An induction motor with, Number of poles, P=4 Synchronous speed, Ns=1500 rpm

Q: A 6 pole DC lap wound generator has 41 armature conductors with flux per pole is 23 mWb and the…

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Q: A 550 volts, 55KVA single phase alternator has an effective resistance of 0.02 ohms, a field…

A: Given Data:- At full load, Voltage V=550 V Power S=55 kVA Effective resistance R=0.02 Ω Field…

Q: ii)Conduct suitable tests to measure the copper loss occurs in a three phase Induction Motor.

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: R1 jX1 jX2 -> IM R, RC jXM E1 S

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

Q: The voltage regulation of an alternator having 0.75 leading power factor load, no-load induced emf…

A: Power factor decides only the terminal voltages But once the voltages are known  Power factor has no…

Q: The impedance of the main winding of a single-phase induction motor is (9+j5) Q. The impedance of…

A: Given data, Zm=9+j5Za=4.5-j10V=120 Vf=60 Hz Now, Current in the main winding is…

Q: Describe the figures below and how each of figure below are working

A: By increasing the data to a specific power, power transformations are applied. The power parameter…

Q: he power supplied to a three-phase induction motor is 20KW and the stator losses are 1000W. If ¤ ip…

A: Power input = 20kW Stator losses = 10000W If the slip =4% then copper losses?

Q: A four-pole induction motor drives a load at 2478 rpm. This is to be accomplished by using an…

A: speed of the induction motor    Nr = 2478 rpm dc voltage  V = 400 V  number of poles P= 4  slip =…

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.