Question
Download Solution PDFA 4-pole, 3-phase IM operates from a supply with frequency 50 Hz. Calculate the speed at which the magnetic field of stator rotates.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
In a 3-ϕ induction motor, the magnetic field of the stator rotates at the synchronous speed.
Also,
Where,
NS = Synchronous speed in rpm
f = Supply frequency in Hz
P = Number of poles
Calculation:
The magnetic field of stator rotates at NS
∴
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