PSS design for damping of inter-area power oscillations by coherency-based equivalent model

Chun Liu, Ryuichi Yokoyama, Kaoru Koyanagi, Kwang Y. Lee

    研究成果: Article査読

    23 被引用数 (Scopus)

    抄録

    In Japan, low-frequency oscillations have been observed on trunk transmission systems, and have been the subject for studies in fields of operation, control, and devices by many power system utilities. Power system stabilizers (PSS) are very effective controllers in enhancing the damping of low-frequency oscillations, since the controllers can increase damping torque for inter area modes by introducing additional signals into the excitation controllers already equipped with generators. To analyze and solve the problem of long-term poor damping oscillation phenomena, a method is presented to find the best allocation and to design PSS for damping inter-area power oscillations. The method is based on the single-machine-infinite-bus models derived from the multi-machine power system by coherency-based reduction technique. Dynamic simulations using a 10-machine power system model are presented in order to show the effectiveness of the PSS designed according to the proposed method.

    本文言語English
    ページ(範囲)539-548
    ページ数10
    ジャーナルInternational Journal of Electrical Power and Energy System
    26
    7
    DOI
    出版ステータスPublished - 2004 10

    ASJC Scopus subject areas

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

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