Decentralized voltage control in multiarea power system

Noriyuki Iwase*, Kenji Okada, Keiichiro Yasuda, Ryuichi Yokoyama

*この研究の対応する著者

    研究成果: Article査読

    抄録

    This paper discusses the feasibility of a decentralized voltage control scheme for large-scale power systems. The algorithm is intended to apply to a reactive normal operating state from an emergency state caused by ill-condition and also to keep the operating state away from approaching unstable boundaries in preventive control. The procedure for releasing voltage deviation (over/under voltage) is formulated as a multistage decision process over a certain time interval. The optimization problem is transformed into a two-point boundary value problem using the discrete maximum principle and is solved easily by using the discrete Riccati equation. For a large-scale power system, control values must be computed from a large number of state variables, and this inevitably prolongs the slow dynamics with controllers. The centralized control system in a large-scale system cannot be justified from the economical and technical viewpoints. To resolve the foregoing problems, a decentralized voltage control system incorporating slow voltage dynamics is presented.

    本文言語English
    ページ(範囲)43-51
    ページ数9
    ジャーナルElectrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi)
    113
    1
    出版ステータスPublished - 1993 2

    ASJC Scopus subject areas

    • 電子工学および電気工学

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