Analysis of Errors in Some Simplified Textbook Interpretations of Coil Coupling Coefficient

The coupling coefficient (k) between coils is a subject that is presented in textbooks of electricity, electric circuit analysis and electromagnetism. Some authors, however, make a partial or incomplete interpretation of the coupling coefficient, leading students to wrong results and misunderstandin...

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Bibliographic Details
Published inInternational journal of electrical engineering & education Vol. 50; no. 2; pp. 127 - 132
Main Authors Pichorim, Sérgio Francisco, Abatti, Paulo José
Format Journal Article
LanguageEnglish
Published London, England SAGE Publications 01.04.2013
Sage Publications Ltd
Subjects
Circuits
Electromagnetism
Error analysis
Textbooks
coupling coefficient
coupled coils
circuit analysis
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Summary:The coupling coefficient (k) between coils is a subject that is presented in textbooks of electricity, electric circuit analysis and electromagnetism. Some authors, however, make a partial or incomplete interpretation of the coupling coefficient, leading students to wrong results and misunderstandings. This paper presents the most common errors found in some textbooks, comparing them with the correct definition for coupling coefficient. A practical example is also provided.
Bibliography:SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 14
ISSN:0020-7209
2050-4578
DOI:10.7227/IJEEE.50.2.2