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A Computer Aided Design of Wedge-Type Rotor-Bars in Squirrel-Cage Induction Motor.

Article

Last updated: 04 Jan 2025

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Tags

Electrical Engineering

Abstract

 The deep-bar rotor induction motor is one of the most popular motors in the high starting-torque group of three-phase squirrel-cage induction motors. This motor is commonly fitted with deep-bars, of the wedge-form, on the rotor-side. Optimising the dimensions of these bars is a tedious work, especially when the motor is required to exert a strting-torque which exceeds the normal range. 
This paper presents a computer aided design of the wedge-type rotor-bar to fulfill this requirement. The design concept, relating the bar-dimensions to the basic group of the motor specifications, is given by taking into consideration the skin 
-effect just at starting. The iterative method employed to obtain the proper cross-section area of the conductor , as well as the method of checking the preliminary dimensions, are also explained in this paper. 
The design process is written in form of a digital program which gives for a given output power, the proper bar-dimensions for an extended range of starting-torque ratios. The results show that for a given output power, a starting-torque ratio higher than usual can be obtained on the expense of a little 
increase in the starting-current ratio. 
 
 
 

DOI

10.21608/bfemu.2021.177217

Authors

First Name

Hassan

Last Name

Abou-Tabl

MiddleName

Ali

Affiliation

Assistant Professor of Electrical Power and & Machines Department, Faculty of Engineering, Mansoura University, Mansoura, Egypt.

Email

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City

Mansoura

Orcid

-

Volume

10

Article Issue

2

Related Issue

25503

Issue Date

1985-12-01

Receive Date

1985-04-16

Publish Date

2020-12-01

Page Start

53

Page End

69

Print ISSN

1110-0923

Online ISSN

2735-4202

Article File

BFEMU_Volume 10_Issue 2_Pages 53-69.pdf

PDF . 154.1kB

Link

https://bfemu.journals.ekb.eg/article_177217.html

Detail API

https://bfemu.journals.ekb.eg/service?article_code=177217

Order

47

Type

Research Studies

Type Code

1,205

Publication Type

Journal

Publication Title

MEJ. Mansoura Engineering Journal

Publication Link

https://bfemu.journals.ekb.eg/

MainTitle

A Computer Aided Design of Wedge-Type Rotor-Bars in Squirrel-Cage Induction Motor.

Details

Type

Article

Created At

22 Jan 2023