Question
Download Solution PDFThe synchronous speed of an induction motor is 1,000 RPM. Find the percentage slip if its actual rotation speed is 980 RPM?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
In the induction motor rotor always rotates speed less than synchronous speed.
The difference between the rotor speed (N) and the rotating magnetic flux speed (Ns) is called slip.
The induction motor slip is usually expressed as a percentage of synchronous speed (NS) and is represented by symbol s.
Mathematically, Percentage slip,
Or fractional slip,
Calculation:
Given,
Ns = 1000 RPM
N = 980 RPM
∴
=
= 2.
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