A Study on Frequency-Dependent Parameters and Sunde's Formulas of a Counterpoise

カテゴリ: 部門大会

論文No: 13

グループ名: 【B】平成18年電気学会電力・エネルギー部門大会講演論文集

発行日: 2006/09/13

タイトル(英語): A Study on Frequency-Dependent Parameters and Sunde's Formulas of a Counterpoise

著者名: ARIBIND KUMAR MISHRA (同志社大学),雨谷 昭弘(同志社大学),長岡 直人(同志社大学),岡部 成光(東京電力)

著者名(英語): MISHRA ARBIND KUMAR (Doshisha University),Akihiro Ametani(Doshisha University),Naoto Nagaoka(Doshisha University),Shigemitu Okabe(Tokyo Electric Power Company)

キーワード: conterpoise|impedance|admittance|wave propagation|frequency dependence

要約(日本語): 　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, Sunde’s 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 Sunde’s iterative formulas show a similar trend to the frequency-dependent parameters identified from the measured results, but the influence of soil parameters in Sunde’s formulas shows a difference.

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