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DOI: 10.22068/IJEEE.11.1.46

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Vahedi A, Baktash A. Nonlinear Model of Tape Wound Core Transformers. IJEEE. 2015; 11 (1) :46-51
URL: http://ijeee.iust.ac.ir/article-1-695-fa.html
Nonlinear Model of Tape Wound Core Transformers. . 1393; 11 (1) :46-51

URL: http://ijeee.iust.ac.ir/article-1-695-fa.html


چکیده:   (1953 مشاهده)
Recently, tape wound cores due to their excellent magnetic properties, are widely used in different types of transformers. Performance prediction of these transformers needs an accurate model with ability to determine flux distribution within the core and magnetic loss. Spiral structure of tape wound cores affects the flux distribution and always cause complication of analysis. In this paper, a model based on reluctance networks method is presented for analysis of magnetic flux in wound cores. Using this model, distribution of longitudinal and transverse fluxes within the core can be determined. To consider the nonlinearity of the core, a dynamic hysteresis model is included in the presented model. Having flux density in different points of the core, magnetic losses can be calculated. To evaluate the validity of the model, results are compared with 2-D FEM simulations. In addition, a transformer designed for series-resonant converter and simulation results are compared with experimental measurements. Comparisons show accuracy of the model besides simplicity and fast convergence
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نوع مطالعه: Research Paper | موضوع مقاله: 1-Transformers
دریافت: ۱۳۹۳/۲/۱۵ | پذیرش: ۱۳۹۳/۱۲/۲۵ | انتشار: ۱۳۹۳/۱۲/۲۵

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