太陽光発電からの大規模な逆潮流に起因する配電系統の電圧制御に関する課題と解決技術

カテゴリ: 論文誌(論文単位)

グループ名: 【B】電力・エネルギー部門

発行日: 2020/06/01

タイトル(英語): Technical Issues of Voltage Regulation in Distribution System with Large Reverse Power Flow from Photovoltaic Systems and its Solutions

著者名: 飯岡　大輔（東北大学大学院工学研究科 電気エネルギーシステム専攻）

著者名(英語): Daisuke Iioka (Dept. of Electrical Engineering, Graduate School of Engineering, Tohoku University)

キーワード: 配電系統，太陽光発電，電圧制御，電圧変動，電圧不平衡，電圧フリッカ　　distribution system，photovoltaic system，voltage regulation，voltage fluctuation，unbalance voltage，voltage flicker

要約(英語): This paper describes measurements, causes, and countermeasures of voltage reduction, spread of voltage unbalance, and voltage flicker, which are technical issues of voltage regulation in distribution system in recent years. The voltage measured in the distribution feeder with large reverse power flow from photovoltaic systems is explained by relationship between voltage rise by active power and voltage reduction by reactive power. The spread of voltage unbalance, which is also related to the large reverse power flow, is caused by unbalanced mutual impedance of three-phase distribution wires arranged horizontally or vertically. Frequency feedback method with step injection of reactive power, which is one of islanding detections installed into PCS, is attributed to voltage flicker in the distribution system.

本誌: 電気学会論文誌B（電力・エネルギー部門誌） Vol.140 No.6 （2020） 特集：電力系統の電圧運用・制御技術

本誌掲載ページ: 441-444 p

原稿種別: 解説／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejpes/140/6/140_441/_article/-char/ja/