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: 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: 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: A three phase 250 hp induction motor operates at 0.8 lagging power factor on 440 V, 50 Hz supply.…

A: We have been given induction motor with, HP = 250 Hp Power factor (Cosϕ1) = 0.8 lagging Supply…

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

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Q: The slip of a 12 pole, 3-phase, 50 Hz induction motor is 10%. Find the speed of the motor ✓ 450 rpm…

A: Given, A 3-phase induction motor having, Number of poles, P=12. Frequency, f = 50 Hz. Slip, s=10%.

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

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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: The rotor reactance of the three phase induction motor is varies with of the rotor current.

A: According to the question we have to discuss the induction motor reactance.

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: Current circulates in the rotor circuit of an induction machine as the rotor circuit forms a closed…

A: Rotor: The rotor is also built of thin laminations of the same material as the stator. The laminated…

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: In the brushless induction motor, one of the following can be used to reduce the starting current…

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Q: In an induction motor, rotor runs at a speed

A: The principle of induction motor is electromagnetic induction. It is an asynchronous machine . ie.…

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: 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: 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: the

A: In this question, induction machine frequency given and speed of machine given..We have to find out…

Q: If a 4-pole induction motor has a synchronous speed of 1500 r.p.m., then, supply frequency is

A: Given an induction motor with, Total number of poles, P = 4 Synchronous speed, Ns=1500 rpm Supply…

Q: T or F, modify the wrong part if False, please underline twice your answer if True or False.  The…

A: The solution is given below

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: An induction motor is running at 3400 rpm working at a frequency of 60HZ. Find the speed of the…

A: Assume that given induction motor is  2-pole .  Given that  f= 60 Hz  rotor speed Nr = 4300 rpm…

Q: 10Ω 0.2H m + Vr- + vį- Vs a. Solve for the transfer function; I(s) VR(S) VLs) Vs(s)' V,(s) ' Vs(s)…

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Q: The sparking at the brushes of a dc generator is due to winding distribution high constant…

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

A: 2. Given, 3-phase induction motor having  Supply Voltage, V = 220 Volts Number of poles, P = 6…

Q: Find the desired ones since the rotating field speed of an asynchronous motor with a frequency of…

A: Rotating field speed of an asynchronous motor with a frequency of 50Hz is 750 rpm a) to find the…

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.