A 4-pole and 3-phase induction motor operates from a supply whose frequency
is 50 Hz.
Calculate (i) the speed at which magnetic field of the stator is rotating.
(ii) determine the percentage slip if rotor is rotating at 1440 rpm.
Answers
hello mate
her your answer
Explanation: Slip is the ratio of the relative speed of between the stator mmf and the rotor speed to the synchronous speed of the machine. Explanation: The induced frequency will be f = P(Ns-Nr)/2. f = 4(1500-1450)/2 = 100 Hz. Explanation: P = 120f/N = 120*50/1440 = 4(1/6).
please Mark it as Brainlist
Given : A 4-pole and 3-phase induction motor operates from a supply whose frequency is 50 Hz.
To find : (i) the speed at which magnetic field of the stator is rotating.
(ii) determine the percentage slip if rotor is rotating at 1440 rpm.
Solution:
A 4-pole and 3-phase induction motor operates from a supply whose frequency is 50 Hz.
Number of poles = 4
frequency = 50 Hz
Ns - Synchronous Speed = 120 * frequency / Number of poles
= 120 * 50 / 4
= 1500 rpm
the speed at which magnetic field of the stator is rotating. = 1500 rpm
Slip % = 100 * (Ns - rotor Speed)/Ns
= 100 ( 1500 - 1440)/1500
= 60/15
=4
Slip % = 4
Learn more:
A 4-pole and 3-phase induction motor operates from a supply whose frequency is 50 Hz.
https://brainly.in/question/17485527
A 6 pole induction motor supplied by a10 pole alternator which is ...
https://brainly.in/question/12174142
A 4 pole 50hz induction motor is running at 1470 rpm. What is the ...
https://brainly.in/question/9492149