Voltage stability preventive control using VMPI sensitivities

Yoshifumi Kataoka, Masato Watanabe, Shingo Sakaeda, Shinichi Iwamoto

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    In power systems the proper voltage ranges are predetermined in the individual voltage classes. In order to maintain the proper voltage ranges, we propose the voltage stability index VMPI (Voltage Margin Proximity Index), which defines the voltage stability from the point of view of the voltage magnitude limits. Many previous papers dealing with voltage stability preventive control have used control devices which take continuous values, such as static var compensators, but real power systems mainly utilize voltage control devices which take discrete values. Hence, in this paper, we propose voltage stability preventive control using the VMPI sensitivities in order to control devices which take discrete values. We generally require speed for preventive control in order to use it on line, but the VMPI takes time due to the performance of optimal power flow calculations. Consequently, we propose a practical voltage stability preventive control method using a calculation with initial estimates of the control devices and estimation of the VMPI sensitivities, which requires less calculation time. Simulations using the IEEJ West 30-machine 115-bus system have verified the effectiveness of the proposed method.

    Original languageEnglish
    Pages (from-to)28-37
    Number of pages10
    JournalElectrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi)
    Volume173
    Issue number4
    DOIs
    Publication statusPublished - 2010 Dec

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    Voltage control
    Electric potential

    Keywords

    • power system
    • preventive control
    • proper voltage range
    • VMPI sensitivity
    • voltage stability index VMPI

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Energy Engineering and Power Technology

    Cite this

    Voltage stability preventive control using VMPI sensitivities. / Kataoka, Yoshifumi; Watanabe, Masato; Sakaeda, Shingo; Iwamoto, Shinichi.

    In: Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi), Vol. 173, No. 4, 12.2010, p. 28-37.

    Research output: Contribution to journalArticle

    Kataoka, Yoshifumi ; Watanabe, Masato ; Sakaeda, Shingo ; Iwamoto, Shinichi. / Voltage stability preventive control using VMPI sensitivities. In: Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi). 2010 ; Vol. 173, No. 4. pp. 28-37.
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