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Subject: search.filters.subject.Synchronized phasor measurement

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    A practical controller design of distributed energy resources for stabilization of interconnected power system based on synchronized phasor measurements
    (2009-12-01)
    Dechanupaprittha, S.
    ;
    Watanabe, M.
    ;
    Mitani, Y.
    ;
    Hongesombut, K.
    ;
    Ngamroo, I.
    With today's advanced technologies, various types of distributed energy resources (DERs) with relatively fast controllability option have been brought into practical applications. This paper presents a metaheuristic-based controller design of controllable DER for stability enhancement based on synchronized phasor measurements. With the most recent data, a simplified oscillation model (SOM) is evaluated and referred to as an estimated power system model for detection and assessment of an estimated inter-area oscillation mode. Subsequently, an extended SOM is formulated by including dynamic effects of DER control system. The designed controller can be achieved via a metaheuristic method with less effort towards the design specification. Moreover, performance of the designed controller can be evaluated during design to avoid its adverse effects. Some simulation results demonstrate and confirm the applicability and effectiveness of the proposed controller design method. ©2009 IEEE.
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    A practical design of a fuzzy SMES controller based on synchronized phasor measurement for interconnected power systems
    (2008-04-23)
    Dechanupaprittha, Sanchai
    ;
    Hongesombut, Komsan
    ;
    Watanabe, Masayuki
    ;
    Mitani, Yasunori
    ;
    Ngamroo, Issarachai
    Recently, fuzzy logic control has widely received attention in various power system applications, despite difficulties of obtaining its control rules and membership functions. Nowadays, power systems consist of multiple areas where load variations with abrupt changes always exist, and proper control rules and membership functions could hardly be achieved. This paper proposes a practical design of fuzzy logic controllers for superconducting magnetic energy storage (SMES) based on a wide area synchronized phasor measurement for enhancing the stability of an interconnected power system. Moreover, a heuristic method is applied for determining control rules and membership functions. The estimated model is determined via a simplified oscillation model for detection and assessment of an approximated inter-area oscillation mode. Finally, some simulation studies based on a two-area four-machine power system are carried out to examine the performance and effectiveness of the designed fuzzy SMES controller. Copyright 2008 The Berkeley Electronic Press. All rights reserved.
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    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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    A practical design of fuzzy SMES controller based on synchronized phasor measurement for interconnected power system
    (2007-12-01)
    Dechanupaprittha, Sanchai
    ;
    Hongesombut, Komsan
    ;
    Watanabe, Masayuki
    ;
    Mitani, Yasunori
    ;
    Ngamroo, Issarachai
    Recently, fuzzy logic control has widely received attention in various power system applications, despite difficulties of obtaining its control rules and membership functions. Nowadays, power system consists of multiple areas where load variations with abrupt changes always exist, and proper control rules and membership functions could be hardly achieved. This paper proposes a practical design of fuzzy logic controllers for superconducting magnetic energy storage (SMES) based on wide area synchronized phasor measurement for improving stability of interconnected power system. Moreover, a heuristic method is applied for determining control rules and membership functions. The estimated model is determined via a coupled vibration model for detection and assessment of an approximated inter-area oscillation mode. Finally, some simulation studies based on a two-area four-machine power system are carried out to examine the performance and effectiveness of the designed fuzzy SMES controller. © 2007 RPS.
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    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.