An Impedance Measurement of a Small-Capacitance Circuit using Transient Responses for Lightning Surge Analysis
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作者:
Permata, Diah
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Doshisha Univ, Dept Elect Engn, Tatara, Kyotanabe 6100321, Japan
Lampung Univ, Dept Elect, Lampung, IndonesiaDoshisha Univ, Dept Elect Engn, Tatara, Kyotanabe 6100321, Japan
Permata, Diah
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Nagaoka, Naoto
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机构:
Doshisha Univ, Dept Elect Engn, Tatara, Kyotanabe 6100321, Japan
DU, Kyoto, Japan
DU, Student Admiss Ctr, Kyoto, Japan
DU, Liaison Off, Kyoto, Japan
DU, Ctr Intellectual Properties, Kyoto, JapanDoshisha Univ, Dept Elect Engn, Tatara, Kyotanabe 6100321, Japan
Nagaoka, Naoto
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机构:
[1] Doshisha Univ, Dept Elect Engn, Tatara, Kyotanabe 6100321, Japan
A method to measure a small capacitance with its loss resistance using a set of transient current waveforms is proposed in this paper. The parameters are obtained from the time constants in the time domain. The method has high resistance to extraneous noise, because a time-to-frequency transformation, which is sensitive to noise, is not required. The transient current waveforms are obtained by a voltage or current source, a current transformer, and a waveform recorder. The measured capacitance by the proposed method is not affected by the capacitance of the voltage probe, because it is obtained without any voltage information. The sheath surge impedance of the current injection cable, which is indispensable for the transient measurement, is corrected. The application of the method has the advantage in that it allows the modeling of a fast transient of a power apparatus, comparing it with the steady-state measurement using an impedance measuring instrument. The proposed method is applied to create an equivalent circuit between electrodes implanted into a piece of wood, and its reliability is confirmed by comparison between the measured and calculated results. Stray capacitances of a miniature circuit breaker are also measured, and the results show that the proposed method is applicable to equipment in power systems. (c) 2014 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.
机构:
Hong Kong Polytech Univ, Dept Bldg Serv Engn, Hung Hom, Kowloon, Hong Kong, Peoples R ChinaHong Kong Polytech Univ, Dept Bldg Serv Engn, Hung Hom, Kowloon, Hong Kong, Peoples R China
Li, Binghao
Qi, Ruihan
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Hong Kong Polytech Univ, Dept Bldg Serv Engn, Hung Hom, Kowloon, Hong Kong, Peoples R ChinaHong Kong Polytech Univ, Dept Bldg Serv Engn, Hung Hom, Kowloon, Hong Kong, Peoples R China
Qi, Ruihan
Du, Yaping
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Hong Kong Polytech Univ, Dept Bldg Serv Engn, Hung Hom, Kowloon, Hong Kong, Peoples R ChinaHong Kong Polytech Univ, Dept Bldg Serv Engn, Hung Hom, Kowloon, Hong Kong, Peoples R China
Du, Yaping
Chen, Mingli
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Hong Kong Polytech Univ, Dept Bldg Serv Engn, Hung Hom, Kowloon, Hong Kong, Peoples R ChinaHong Kong Polytech Univ, Dept Bldg Serv Engn, Hung Hom, Kowloon, Hong Kong, Peoples R China
Chen, Mingli
2018 34TH INTERNATIONAL CONFERENCE ON LIGHTNING PROTECTION (ICLP 2018),
2018,
机构:
Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian, Peoples R ChinaXi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian, Peoples R China
Le, Yangjing
Yao, Xueling
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Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian, Peoples R ChinaXi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian, Peoples R China
Yao, Xueling
Sun, Jinru
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Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian, Peoples R ChinaXi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian, Peoples R China
Sun, Jinru
Li, Tianquan
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Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian, Peoples R ChinaXi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian, Peoples R China
Li, Tianquan
Xu, Wenjun
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Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian, Peoples R ChinaXi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian, Peoples R China
Xu, Wenjun
Chen, Jingliang
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Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian, Peoples R ChinaXi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian, Peoples R China