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Calculation of transient radiation field from metallic enclosure of GIS based on surface-patch model

To improve the computation accuracy of the transient radiation fields in gas insulated substation (GIS), surface-patch model is proposed in this paper, and the method of vector fitting combining with recursive convolution is applied to substitute the method of fast Fourier transform (FFT) in the pro...

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Published in:	IEEE transactions on magnetics 2006-04, Vol.42 (4), p.855-858
Main Authors:	Liang Guishu, Liang Guishu, Ran Huijuan, Ran Huijuan, Dong Huaying, Dong Huaying, Cui Xiang, Cui Xiang
Format:	Article
Language:	English
Subjects:	Computer simulation Convolution Cross-disciplinary physics: materials science rheology Electromagnetic radiation Electromagnetic transients Exact sciences and technology Fittings Gas insulated substation (GIS) Gas insulation Geographic Information Systems Integral equations Magnetism Materials science Mathematical analysis Mathematical models Other topics in materials science Physics Power system modeling Power system transients Recursive recursive convolution Substations Surface fitting surface-patch model transient radiation field vector fitting Vectors (mathematics)
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container_title	IEEE transactions on magnetics
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creator	Liang Guishu, Liang Guishu Ran Huijuan, Ran Huijuan Dong Huaying, Dong Huaying Cui Xiang, Cui Xiang
description	To improve the computation accuracy of the transient radiation fields in gas insulated substation (GIS), surface-patch model is proposed in this paper, and the method of vector fitting combining with recursive convolution is applied to substitute the method of fast Fourier transform (FFT) in the process of field calculation. The transient radiation fields of an actual 125-kV GIS are calculated to confirm the correctness of the model and the method. It is seemed from the simulation that the method of vector fitting combining with recursive convolution can overcome the conventional problems of FFT and reduces the computer memory and CPU time successfully, and the results from surface-patch model are more accurate than those from thin-line model
doi_str_mv	10.1109/TMAG.2006.871384
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subjects	Computer simulation Convolution Cross-disciplinary physics: materials science rheology Electromagnetic radiation Electromagnetic transients Exact sciences and technology Fittings Gas insulated substation (GIS) Gas insulation Geographic Information Systems Integral equations Magnetism Materials science Mathematical analysis Mathematical models Other topics in materials science Physics Power system modeling Power system transients Recursive recursive convolution Substations Surface fitting surface-patch model transient radiation field vector fitting Vectors (mathematics)
title	Calculation of transient radiation field from metallic enclosure of GIS based on surface-patch model
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