Do the question below Question 4A 4-phase variable reluctance stepping motor is shown in the diagram below. The statorwindings are coloured "orange" for phase 1, "red" for phase 2, "green" for phase 3 and "blue" forphase 4.9019V+близле$102 02Choose the incorrect statement.ΦΙThe step angle is 15º in the half-step operation.The motor will step anticlockwise if phase 1, phase 2, phase 3 and phase 4 are sequentially excited.The motor will step anticlockwise if phase 1, phase 4, phase 2 and phase 3 are sequentially excited.The stator has 8 poles and the synchronous speed is 1000 RPM at the supply frequency 50 Hz.The rotor has 6 rotor teeth and performs 24 steps in one revolution.

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Answered: A 4-phase variable reluctance stepping…

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Electrical Engineering

A 4-phase variable reluctance stepping motor is shown in the diagram below. The stator

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter37: Automatic Speed Control For Wound Rotor Motors

Section: Chapter Questions

Problem 3SQ

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Concept explainers

Single Phase Induction Motor

The single-phase induction motor or engine consists of a single rotating phase in the stator and a rotating cage in the rotor. When phase one supply is connected to the stator winding, a magnetic field is generated. In the pulsating field, the rotor does not rotate due to inertia. So, a single-phase import motor does not start and requires some initial methods.

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Step 1: finding step angle for half step operation

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Step 2: finding synchronous speed

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