Cooperation voltage control method of LRT and SVR in distribution system with PV systems corresponding to bank fault restoration

Shinya Yoshizawa, Yasuhiro Hayashi, Masaki Tsuji, Eiji Kamiya

    Research output: Contribution to journalArticle

    8 Citations (Scopus)

    Abstract

    Voltages in distribution system are maintained within a proper voltage range by adjusting a tap position of Load Ratio control Transformer (LRT) and Step Voltage Regulator (SVR). In Japan, many voltage control methods have been researched. However, these conventional methods do not presuppose the bank fault restoration. Since the main purpose of voltage control of the conventional restoration approach is to reduce the amount of voltage violation in distribution system, the number of customers with voltage violation cannot be reduced to zero during a bank fault restoration. In this paper, the authors propose a cooperation voltage control method of LRT and SVR to minimize the number of customers with voltage violation corresponding to the bank fault restoration in distribution systems with PV systems. In the proposed method, the tap position of SVR is controlled after the control of LRT to avoid frequent tap changes and each tap position of voltage control devices is controlled to minimize the number of customers with voltage violation. In order to check the effectiveness of the proposed method, the simulation using distribution system model with PV systems is performed under various conditions.

    Original languageEnglish
    Pages (from-to)333-342
    Number of pages10
    JournalIEEJ Transactions on Power and Energy
    Volume133
    Issue number4
    DOIs
    Publication statusPublished - 2013

    Fingerprint

    Voltage regulators
    Voltage control
    Restoration
    Electric potential

    Keywords

    • Bank fault restoration
    • Distribution system
    • LRT
    • PV system
    • SVR
    • Voltage control

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Energy Engineering and Power Technology

    Cite this

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    title = "Cooperation voltage control method of LRT and SVR in distribution system with PV systems corresponding to bank fault restoration",
    abstract = "Voltages in distribution system are maintained within a proper voltage range by adjusting a tap position of Load Ratio control Transformer (LRT) and Step Voltage Regulator (SVR). In Japan, many voltage control methods have been researched. However, these conventional methods do not presuppose the bank fault restoration. Since the main purpose of voltage control of the conventional restoration approach is to reduce the amount of voltage violation in distribution system, the number of customers with voltage violation cannot be reduced to zero during a bank fault restoration. In this paper, the authors propose a cooperation voltage control method of LRT and SVR to minimize the number of customers with voltage violation corresponding to the bank fault restoration in distribution systems with PV systems. In the proposed method, the tap position of SVR is controlled after the control of LRT to avoid frequent tap changes and each tap position of voltage control devices is controlled to minimize the number of customers with voltage violation. In order to check the effectiveness of the proposed method, the simulation using distribution system model with PV systems is performed under various conditions.",
    keywords = "Bank fault restoration, Distribution system, LRT, PV system, SVR, Voltage control",
    author = "Shinya Yoshizawa and Yasuhiro Hayashi and Masaki Tsuji and Eiji Kamiya",
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    TY - JOUR

    T1 - Cooperation voltage control method of LRT and SVR in distribution system with PV systems corresponding to bank fault restoration

    AU - Yoshizawa, Shinya

    AU - Hayashi, Yasuhiro

    AU - Tsuji, Masaki

    AU - Kamiya, Eiji

    PY - 2013

    Y1 - 2013

    N2 - Voltages in distribution system are maintained within a proper voltage range by adjusting a tap position of Load Ratio control Transformer (LRT) and Step Voltage Regulator (SVR). In Japan, many voltage control methods have been researched. However, these conventional methods do not presuppose the bank fault restoration. Since the main purpose of voltage control of the conventional restoration approach is to reduce the amount of voltage violation in distribution system, the number of customers with voltage violation cannot be reduced to zero during a bank fault restoration. In this paper, the authors propose a cooperation voltage control method of LRT and SVR to minimize the number of customers with voltage violation corresponding to the bank fault restoration in distribution systems with PV systems. In the proposed method, the tap position of SVR is controlled after the control of LRT to avoid frequent tap changes and each tap position of voltage control devices is controlled to minimize the number of customers with voltage violation. In order to check the effectiveness of the proposed method, the simulation using distribution system model with PV systems is performed under various conditions.

    AB - Voltages in distribution system are maintained within a proper voltage range by adjusting a tap position of Load Ratio control Transformer (LRT) and Step Voltage Regulator (SVR). In Japan, many voltage control methods have been researched. However, these conventional methods do not presuppose the bank fault restoration. Since the main purpose of voltage control of the conventional restoration approach is to reduce the amount of voltage violation in distribution system, the number of customers with voltage violation cannot be reduced to zero during a bank fault restoration. In this paper, the authors propose a cooperation voltage control method of LRT and SVR to minimize the number of customers with voltage violation corresponding to the bank fault restoration in distribution systems with PV systems. In the proposed method, the tap position of SVR is controlled after the control of LRT to avoid frequent tap changes and each tap position of voltage control devices is controlled to minimize the number of customers with voltage violation. In order to check the effectiveness of the proposed method, the simulation using distribution system model with PV systems is performed under various conditions.

    KW - Bank fault restoration

    KW - Distribution system

    KW - LRT

    KW - PV system

    KW - SVR

    KW - Voltage control

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