Application of dynamic rating to increase the available transfer capability

Masaki Miura*, Takuya Satoh, Shinichi Iwamoto, Ikuo Kurihara


    研究成果: Article査読

    8 被引用数 (Scopus)


    As the deregulated environment of power systems has spread worldwide, it is essential to operate power systems efficiently and economically. With the advance of communication technologies and sensors, so-called dynamic rating is now to be realized. Dynamic rating is a method which determines accurate ratings by utilizing realtime information such as conductor temperatures, ambient temperatures, and wind speeds. The dynamic rating is considered to increase the thermal capacities of overhead transmission lines and therefore take on importance in the deregulated electric power industry. The importance of the dynamic rating lies mainly in the area of Available Transfer Capability (ATC) improvement. In this paper, the validity of the proposed dynamic rating application is shown from the viewpoint of ATC, especially ATC with thermal constraints. In addition, the possibilities of ATC estimations using sensitivities are verified for the purpose of reducing calculation time, considering the importance of real-time simulation of ATC.

    ジャーナルElectrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi)
    出版ステータスPublished - 2009 3月

    ASJC Scopus subject areas

    • 電子工学および電気工学
    • エネルギー工学および電力技術


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