A 50 Hz 4 pole induction motor has a rotor inductance of 40 mH. Find the rotor reactance when motor is running at a speed of 1300rpm.

Q: Frequency of emf in the stator of a 8 pole induction motor is 50Hz and the rotor emf frequency is…

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Q: In an induction motor, if the rotor is locked, then the rotor frequency of induction motor will be:…

A: Given: In an induction motor, the rotor is locked.

Q: A Three-phase four-pole AC machine has 60 coils in the stator and each coil has 100 turns. The coils…

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Q: Prove that the frequency of the rotor induced emf in an induction motor is slip times its stator…

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Q: A three phase induction motor rotates at speed of 1455 r.p.m. when its synchronous s 1500 rpm. Find…

A: In this question we need to find a speed of stator with respect to rotor field.

Q: Q5. Which of the following types of 1-phase induction motor has the lower power rating? (a)…

A: Shaded Pole Induction Motor: The motor consists of salient poles and a squirrel cage rotor. A…

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: At starting of an Induction motor, the frequency of the rotor induced voltage would be

A: Mutual Induction:  Whenever flux in one coil links with the second coil, an EMF is induced in the…

Q: In a DC motor the relation between the core loss (Pcore) and rotational loss (Protational) iS O…

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Q: Question: A three-phase induction motor is running at 5 percent slip with certain load. If at this…

A: Given- A three-phase induction motor with. % slip, s = 5 % = 0.05. Power input to the rotor,…

Q: 2. A 220V 30 6poles 50Hz induction motor is running at a slip of 3.5 %. Find the following: (a) slip…

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Q: If rotor of an induction motor turns at synchronous speed, the frequency of the rotor will be zero.…

A: In this question we need to verify the given statement is true or false.

Q: An 8 pole single phase induction motor is running at 690 rpm.what is the slip with respect to…

A: Given: A single phase induction motor with Number of poles, P=8 Motor speed, Nr=690 rpm

Q: The O smaller O larger the number of poles used in a stepper motor, the better the resolution

A: here we have to give relation between the number of poles and resolution.

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: A 10-pole, 3-phase induction motor operates from a supply with frequency 55 Hz. Calculate the speed…

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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: Angular speed of a DC motor running at a speed of 1200rpm is

A: To determine angular speed (in rad/sec) from the speed given in rpm

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

A: Given: An induction motor has, Rated power, P0=18600 W Poles, P=6 Frequency, f=60 Hz Slip, s=6%=0.06…

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

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Q: A 3 phase induction motor is connected to a 50 hz supply what is the possible synchronous speed.…

A: Solution: The synchronous speed of the induction motor is given as, Ns=120fPNs=120×50P=6000PAt P=2…

Q: In an induction motor, if the rotor is locked, then the rotor frequency of induction motor will be:…

A: Given that  The rotor of the induction motor is locked. Then the rotor frequency of the induction…

Q: The generated voltage per phase of an alternator is E0 while the speed of rotor rotation is 3000…

A: We will establish the relation between the generated voltage and the speed of the alternator.

Q: What is the output speed of AC induction motor in our lab with six poles per phase and its slip is…

A: Given Data: s = 8% P = 6

Q: A three phase induction motor operating at a slip of 5 % develops 20 kw rotor output power. What is…

A: The rotor copper loss in the above given operating conditions is calculated as shown below:

Q: A 12-pole induction motor has a frequency of 60 Hz. Its synchronous speed would be: (a) 600 rpm (b)…

A: Given: Total number of pole, P = 12 Induction motor frequency, f = 50 Hz

Q: In an induction machine stator has 8 poles and is excited by a 60 Hz source. If the rotor is driven…

A: Sycronous speed=120×frequencypoles=120×608                   =900 r.p.m Given rotor rotates in…

Q: A 3-phase induction motor is wound for 2 poles and is supplied from 59-Hz system. When slip is 4%,…

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

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Q: Three phase induction motor develops a torque which depends on mechanical power developed and rotor…

A: We need to tell about the given statement is true or false.

Q: In 3 phase induction motor the greater number of poles give. speed high O Medium O Low

A: In this question we will write induction motor poles and speed relation...

Q: Generators using salient pole structure rotors are called turbo-alternators. Select one: O True O…

A: The explanation is as follows.

Q: The full load speed of a 60 Hz, 3-phase induction motor is 1120 r.p.m. The number of poles in the…

A: induction motor always near to synchronous speed  and synchronous speed =120*frequencyn. of poles…

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 three-phase induction motor with 72 stator windings is excited with a 50 Hz AC voltage source. The…

A: Given: A 3-phase induction motor has 72 stator windings. Excitation frequency, f=50 Hz Slip,…

Q: 4. Consider the following system as illustrated in Fig. 03. The system takes x (t) as input and…

A: In this question we need to check the given system is linear, time invariant, causal and BIBO stable…

Q: Permanent-split capacitor motor is in effect a 2-phase motor and at no load could attain the…

A: True and false?  Permanent-split capacitor motor is in effect a 2-phase motor and at no load could…

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.