A three phase induction motor rotates at speed of1455 r.p.m. when its synchronous speed is 1500rpm. Find the value of speed of stator structurewith respect to rotor field.O a. 45 r.p.m.O b. 1000 r.p.m.O c. -45 r.p.m.O d. -1000 r.p.m.

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Answered: Find the value of speed of stator

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter39: Synchronous Motor Operation

Section: Chapter Questions

Problem 12SQ

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What are the advantages and disadvantages of using the following types of motors? shaded-pole motor PSC motor split-phase motor capacitor-start–capacitor-run motor
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Speed analysis in induction motor
The voltage applied to the stator of a three phase, 4 pole induction motor has a frequency of 50 Hz. The frequency of the emf induced in the rotor is 1.5 Hz. Determine the speed at which motor is running. (a). 1450 rpm (b). 1455 rpm (c). 1460 rpm (d). 1465 rpm
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A 3-phase induction motor runs at almost 3000 rpm at no load and 2960 rpm at full load when supplied with power from a 50 Hz, 3-phase supply. What is the corresponding speed of the rotor field with respect to the rotor? Select one: a. 60 revolution per minute b. 30 revolution per minute c. 50 revolution per minute d. 40 revolution per minute

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