Ac Machines شنبخشمذ 6-A 250 W, single-phase, 230 V, 50 Hz capacitor-start motor has main winding impedance,Zm=(4.5+j3.7) 02, and auxiliary winding impedance, Za=(9.5+j3.5) Q. Find the value of the startingcapacitor that will place the main and auxiliary currents in quadrature (900 phase shift) atstarting.

Answered: Image /qna-images/answer/81fc13e0-be2c-4815-b2a9-528558d288b2.jpg

6-A 250 W, single-phase, 230 V, 50 Hz capacitor-start motor has main winding impedance, Zm=(4.5+j3.7) 02, and auxiliary winding impedance, Za=(9.5+j3.5) 02. Find the value of the starting capacitor that will place the main and auxiliary currents in quadrature (900 phase shift) at starting.

6-A 250 W, single-phase, 230 V, 50 Hz capacitor-start motor has main winding impedance, Zm=(4.5+j3.7) 02, and auxiliary winding impedance, Za=(9.5+j3.5) 02. Find the value of the starting capacitor that will place the main and auxiliary currents in quadrature (900 phase shift) at starting.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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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.

Question

Ac Machines شنبخشمذ

6-A 250 W, single-phase, 230 V, 50 Hz capacitor-start motor has main winding impedance,
Zm=(4.5+j3.7) 02, and auxiliary winding impedance, Za=(9.5+j3.5) Q. Find the value of the starting
capacitor that will place the main and auxiliary currents in quadrature (900 phase shift) at
starting.

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Step 1: Find phase angles

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Step 2: Find phase angle of auxiliary winding after connecting capacitor

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Step 3: Find the value of capacitor

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