Power Flow Control and Maintenance Strategy of Transformers in Transmission and Distribution Systems

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: 2015/05/01

タイトル(英語): Power Flow Control and Maintenance Strategy of Transformers in Transmission and Distribution Systems

著者名: Hiroki Kojima (Department of Electrical Engineering and Computer Science, Nagoya University), Koki Fukaya (Department of Electrical Engineering and Computer Science, Nagoya University), Naoki Hayakawa (EcoTopia Science Institute, Nagoya University), Masah

著者名(英語): Hiroki Kojima (Department of Electrical Engineering and Computer Science, Nagoya University), Koki Fukaya (Department of Electrical Engineering and Computer Science, Nagoya University), Naoki Hayakawa (EcoTopia Science Institute, Nagoya University), Masahiro Hanai (EcoTopia Science Institute, Nagoya University/Power & Industrial Systems Research & Development Center, Power Systems Company, Toshiba Corporation), Hitoshi Okubo (Department of Electrical and Electronic Engineering, Aichi Institute of Technology)

キーワード: risk analysis，maintenance，power flow control，smart grid，asset management，diagnosis

要約(英語): Transmission and distribution (T&D) systems for electric power are assembled with a large amount of aged apparatus, the deterioration of which may cause a decrease in reliability. In order to maintain high efficiency and high quality in T&D systems, it is important to minimize both present performance costs and future performance costs. Typical present performance costs are T&D losses, and typical future performance costs are failure losses and apparatus maintenance for overall T&D system optimization. We have to consider concurrently two concepts that are an asset management system and a smart grid. This integrated concept, which we have proposed as Intelligent Grid Management System (IGMS), achieves optimum control that includes the present power flow and the future maintenance of the T&D system. In this paper, the effect of temperature rises in transformer windings is formulated and integrated into an objective function to determine transformers with power flow control. The derived power flow control optimizes the load sharing of each transformer by keeping a balance between the T&D loss and degradation in the transformers. The degradation of aged transformers is prevented by reducing their load factor, or the aged transformer is replaced with a new one that accepts a relatively high load factor.

本誌: 電気学会論文誌B（電力・エネルギー部門誌） Vol.135 No.5 （2015）

本誌掲載ページ: 316-321 p

原稿種別: 論文／英語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejpes/135/5/135_316/_article/-char/ja/