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Author: search.filters.author.Dechanupaprittha, SanchaiSubject: search.filters.subject.Controller design

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    Item type:Publication,
    Design of SMES controller for improving stabilization of interconnected power system based on synchronized phasor measurement
    (2007-12-01)
    Dechanupaprittha, Sanchai
    ;
    Hongesombut, Komsan
    ;
    Watanabe, Masayuki
    ;
    Mitani, Yasunori
    ;
    Ngamroo, Issarachai
    This paper presents the design of superconducting magnetic energy storage (SMES) controller for improving stabilization of interconnected power system based on synchronized phasor measurement. Load variations with abrupt changes occurring in a power system cause fluctuations of tie-line power flow and significantly disturb the effective use of transmission lines. As one of promising energy storage devices, SMES is applied for power system stabilization. SMES controller is designed based on the wide area synchronized phasor measurement. The estimated model is determined as a coupled vibration model for detection and assessment of an approximated inter-area oscillation mode. Finally, some simulation studies are carried out to demonstrate the applicability and effectiveness of the design method. ©2007 IEEE.
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    Item type:Publication,
    Practical design of smes controller for improving power system stability based on wide area synchronized phasor measurement
    (2007-12-01)
    Dechanupaprittha, Sanchai
    ;
    Hongesombut, Komsan
    ;
    Watanabe, Masayuki
    ;
    Mitani, Yasunori
    ;
    Ngamroo, Issarachai
    This paper proposes a practical design of superconducting magnetic energy storage (SMES) controller for improving power system stability based on synchronized phasor measurement. In interconnected power system, load variations with abrupt changes cause fluctuations of tie-line power flow and significantly affect its stability. As a promising energy storage device, SMES is utilized as a channel for improving power system stability. In particular, SMES controller is designed by taking advantages of the wide area synchronized phasor measurement. Moreover, a tabusearch algorithm is employed for optimally tuning controller parameters. The estimated model is determined as an extended coupled vibration model for detection and assessment of an approximated interarea oscillation mode. Finally, simulation study is carried out to examine and demonstrate the effectiveness of the proposed design method.