A 480V, 60 Hz, 6-pole, three-phase, delta- connected induction motor has the following parameters:R1=0.461 Q, R2=0.258 Ω, Χ1-0.507 Ω, X2=0.309 Ω, Xm-30.74 Ω Rotational losses are 2450W. The motor drives a mechanical load at a speed of 1170 rpm. Calculate the following information (a)Synchronous speed in rpm (b)slip (c)Line Current (d)Input Power (e) Airgap Power (f) * Efficiency

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

A: Given - Rotor power output = 15 kW, Slip s = 4%. To Find -  Rotor copper loss.

Q: A 3-phase induction motor has a starting torque 100% and a maximum torque of 200% of the full load…

A:

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

A:

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: 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: the rotor frequency of a four-pole, 60 Hz induction motor with 5% full * load slip is 50 Hz O 60 Hz

A: Given data, Number of poles P = 4. Frequency f = 60 Hz. Slip s=5%=0.05

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: 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)…

A:

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

A: Solution : Slip of  induction motor is 2 to 3% when the motor is operated under the rated load.

Q: A 3-phase, 60 Hz induction motor has 2 poles. If the slip is 2% at a certain load, determine the…

A: Given parameters Frequency = 60 Hz Number of poles = 2 Slip = 2%

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

A:

Q: A 4-pole induction motor, supplied by a slightly unbalanced three-phase 50 Hz source, is rotating at…

A: Given an induction motor with, Total number of pole, P=4. Frequency, f=50 Hz. Rotor speed, Nr=1440…

Q: 10- What is the ratio of rotor input power to rotor copper loss in an induction motor? a) 1/(1-S) b)…

A:

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

A: In this question We need to determine the reactance of the rotor?  If resistance of the rotor R=0.5…

Q: A 400V, 25hp, 601 4 pole, Y-connec induction motor I the following

A: Given that 400V,25hp,60Hz,4pole Y-coonected induction…

Q: A 3-phase 440 V, 50 Hz induction motor has 4% slip. The frequency of rotor current  a. 48 Hz  b. 2…

A: Given, 3-phase 440 V induction motor Frequency f=50 Hz Slip s=4%=0.04

Q: Homework 2 A three-phase, two-pole, 35 hp, 480 V, 60 Hz, Y-connected induction motor has the…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: Due to the presence of two rotating magnetic fields force the three phase induction motor is self s…

A: Whenever a 3phase balanaced supply is given to 3phase balanced winding of a stator of a 3phase…

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.