A Study on Frequency-Dependent Parameters and Sunde's Formulas of a Counterpoise (特集:平成18年〔電気学会〕電力・エネルギー部門大会)
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概要
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This paper investigates frequency-dependent parameters of a counterpoise which are identified from measured voltages and currents by a numerical optimization technique. Based on the investigation, the frequency characteristics of the impedance and the admittance are made clear. Then, Sundes formulas of the frequency-dependent impedance and admittance, which are not widely used because of requiring iterative calculations to determine the final values, are compared with the measured results. It appears that Sundes iterative formulas show a similar trend to the frequency-dependent parameters identified from the measured results, and can be adopted in a frequency lower than 100kHz. However above the frequency, the formula is case sensitive and is not reliable.
- 社団法人 電気学会の論文
- 2007-01-01
著者
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Okabe Shigemitu
Tokyo Electric Power Co.
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Ametani Akihiro
Department Of Electrical Engineering Doshisha University
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NAGAOKA Naoto
Faculty of Engineering, Doshisha University
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Mishra Arbind
Department Of Electrical Engineering Doshisha University
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Nagaoka N
Doshisha University
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Nagaoka Naoto
Tokyo Electric Power Co. Kanagawa
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Nagaoka Naoto
Tokyo Electric Power Company
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Nagaoka Naoto
Department Of Electrical Engineering Doshisha University
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Ametani Akihiro
Power System Analysis Lab. Doshish Univ.
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Ametani A
Faculty Of Engineering Doshisha University
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MISHRA Arbind
Department of Electrical Engineering, Doshisha University
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