Effects of Elliptical Nature of Rotating Electric Field on Partial Discharge Pattern in a Three-phase Construction
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概要
- 論文の詳細を見る
Discharge characteristics in single-phase equipment are a well-known and well-established art, however, those in three-phase equipment are far less understood. Because the electric field in the insulating material of three-phase equipment is not linear, but rotates with power frequency, it can be expected that the discharge characteristics in three-phase equipment will be different from those in single-phase equipment. In this paper, the effects of rotating electric field on partial discharge pattern in a three-phase construction are reported. The simplified model of a three-phase GIS with air inside is used. The electric field in the construction was analyzed, and the discharge characteristics were observed. The electric field vector locus in a three-phase construction is elliptical, although the shape differs locally. The elliptical nature of rotating electric field is expressed as an electric field ratio. The experimental results showed that the phase widths where partial discharge current pulses appeared were different depending on the electric field ratio even for the same applied voltage. The phase width where partial discharge current pulses appeared was also influenced by the applied electric field. These results are analysed from the relationship between the value and the locus of the applied electric field and the critical electric field of air.
- 社団法人 電気学会の論文
- 2007-09-01
著者
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OHTSUKA Shinya
Kyushu Institute of Technology
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Hikita M
Department Of Electrical Engineering Nagoya University
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Hikita M
Kyushu Inst. Of Technol.
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Hikita Masayuki
Department Of Electrical Engineering Nagoya University
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Hikita Masayuki
Nagoya University
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Matsumoto Satoshi
Department Of Pathology Nara Medical University
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Okabe S
Tokyo Electric Power Co. Yokohama
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Ohtsuka S
Department Of Electrical Electronic And Computer Engineering The Kyushu Institute Of Technology
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Ohtsuka Shinya
Department Of Electrical Electronic And Computer Engineering Kyushu Institute Of Technology
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Ohtsuka Shinya
Department Of Electrical Electronic And Computer Engineering The Kyushu Institute Of Technology
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KHAYAM Umar
Department of Electrical, Electronic and Computer Engineering, the Kyushu Institute of Technology
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ISHITOBI Toshio
Department of Electrical, Electronic and Computer Engineering, the Kyushu Institute of Technology
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Khayam Umar
Department Of Electrical Electronic And Computer Engineering The Kyushu Institute Of Technology
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Okabe Shigemitsu
Kyushu Institute Of Technology
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Ishitobi Toshio
Department Of Electrical Electronic And Computer Engineering The Kyushu Institute Of Technology
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Hikita Masayuki
Department Of Electrical Electronic And Computer Engineering Kyushu Institute Of Technology
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Matsumoto Satoshi
Department Of Neurological Surgery Kobe University School Of Medicine
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Matsumoto Satoshi
Department Of Electrical Electronic And Computer Engineering The Kyushu Institute Of Technology
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Matsumoto Satoshi
Department Of Basic Pharmaceutics Faculty Of Pharmaceutical Sciences Kyoto University
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Matsumoto Satoshi
Department Of Agricultural Chemistry University Of Tokyo
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