Calculation and Analysis of Electrical Field in Valve Side Winding of Converter Transformer

You Hua Gao; Guo Wei Liu; Xiao Ming Liu; Zeng Feng Lai

doi:10.4028/www.scientific.net/AMR.383-390.4865

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 383-390Calculation and Analysis of Electrical Field in...

Calculation and Analysis of Electrical Field in Valve Side Winding of Converter Transformer

Abstract:

The numerical calculation model with compound insulation of transient electrical field is established. The types of voltage applied on the valve side winding of the converter transformer are complicated and the insulation is more prominent. So the simplied calculation model of the valve side winding of the converter transformer is established. The distribution characteristics of electrical field of the valve side winding of the converter transformer is analyzed and electric field in different electrical conductivity and permittivity are calculated under AC high voltage, DC high voltage, AC superimposed DC voltage, polarity reversal voltage. Under all kinds of high voltages, the maximum electric field strength is calculated and analyzed. Some important influence factors for electrical field distribution are also discussed in this paper.

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Periodical:

Advanced Materials Research (Volumes 383-390)

Pages:

4865-4870

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.383-390.4865

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Online since:

November 2011

Authors:

You Hua Gao, Guo Wei Liu, Xiao Ming Liu, Zeng Feng Lai

Keywords:

Component, Converter Transformer, Insulation, Polarity Reversal Voltage, Transient Electrical Field

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