| ■論文No. |
|
| ■ページ数 |
8ページ |
■発行日
|
2021/01/01 |
| ■タイトル |
直流架空送電線下における中心導体が接地された絶縁電線のイオン流帯電電圧の予測法 |
| ■タイトル(英語) |
Method of Predicting for Charge Voltage Due to Ion Flow on Insulated Wire with Grounded Core Conductor under HVDC Overhead Transmission Line |
| ■著者名 |
椎名 健雄（（一財）電力中央研究所 電力技術研究所），宮島 清富（（一財）電力中央研究所 電力技術研究所） |
| ■著者名(英語) |
Takeo Shiina (Central Research Institute of Electric Power Industory), Kiyotomi Miyajima (Central Research Institute of Electric Power Industory) |
| ■価格 |
会員 ¥550 一般 ¥770 |
| ■書籍種類 |
論文誌(論文単位) |
| ■グループ名 |
【B】電力・エネルギー部門 |
| ■本誌 |
電気学会論文誌B（電力・エネルギー部門誌） Vol.141 No.1 （2021）
|
| ■本誌掲載ページ |
13-20ページ |
| ■原稿種別 |
論文／日本語 |
| ■電子版へのリンク |
https://www.jstage.jst.go.jp/article/ieejpes/141/1/141_13/_article/-char/ja/
|
| ■キーワード |
直流送電，イオン流帯電，電撃感知，絶縁電線 DC transmission line，ion flow electrification，electric shock perception，insulated wire |
| ■要約(日本語) |
|
| ■要約(英語) |
Conductive objects insulated from the ground under DC transmission lines are electrified by the flow of ions supplied by corona discharge on the surface of the line conductor. The charge voltage of a human body as a result of the ion flow is an important factor in designing DC transmission lines. An insulated wire is also electrified at the outer surface by the ion flow even when the core conductor of the wire is grounded. There is concern whether an electric shock can occur when a grounded human body touches the outer surface of the insulated wire. In this study, we derived a new equation for predicting the charge voltage for an insulated wire with a grounded core conductor placed under a DC transmission line. The equation was derived from the relationship between electric field and charge voltage on the surface of the insulated wire. The equation allows us to assess the charge voltage of an insulated wire in the steady state by using input parameters such as electric field and ion current density at the ground level. To validate the equation, the charge voltage at the outer surface of the insulated wire was measured using a surface potential electrometer under bipolar-DC test lines energized at ±200kV. The predicted results of the charge voltage agreed well with the measured results, indicating that the newly derived equation is applicable to the prediction of the charge voltage of an insulated wire with a grounded core conductor placed under a DC transmission line. |
| ■版 型 |
A4 |
