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Iranian Journal of Electrical and Electronic Engineering، جلد ۶، شماره ۱، صفحات ۵۶-۶۱
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عنوان انگلیسی Analysis of Electric Field and Polarization of SF6 Circuit Breaker to Approach a Suitable Structure
چکیده انگلیسی مقاله Abstract: The application of electric field theory to widely different aspects of electrical insulation has led to more understanding the phenomena. Electric fields may be considered as the main reason for insulation failure. The purpose of this paper is to modify importance of analyzing electric field in insulation design. The SF6 circuit breaker is chosen as case study that encounters critical situations during its application. The other phenomena affects insulation is the presence of polar species in a non-polar molecular material locally modifies the polarization energy, thus creating local states (traps) on neighboring molecules. Results of calculations carried out for arrays of spatially connected dipoles indicating that local states of a considerable density may be created, modifying the densityof- states function, and therefore influencing the effective mobility of charge carriers. The main result of polarization during application in circuit breaker is loss of life. In this paper the reduction of negative effects of electric field and polarization by choosing a suitable insulation structure in a 33 kV SF6 circuit breaker according to calculation in critical areas is investigated that can also be studied in other types of circuit breakers.
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نویسندگان مقاله وحید عباسی | vahid abbasi


احمد غلامی | ahmad gholami


نشانی اینترنتی http://ijeee.iust.ac.ir/browse.php?a_code=A-10-3-106&slc_lang=en&sid=en
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کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده 1-High- Voltage Engineering
نوع مقاله منتشر شده Research Paper
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