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      저자 : Pang Chee Khiang (검색결과 2 건)
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        Power System Sensitivity Analysis for Probabilistic Small Signal Stability Assessment in a Deregulated Environment

        Dong Zhao Yang,Pang Chee Khiang,Zhang Pei Institute of Control 2005 International Journal of Control, Automation, and Vol.3 No.S

        Deregulations and market practices in power industry have brought great challenges to the system planning area. In particular, they introduce a variety of uncertainties to system planning. New techniques are required to cope with such uncertainties. As a promising approach, probabilistic methods are attracting more and more attentions by system planners. In small signal stability analysis, generation control parameters play an important role in determining the stability margin. The objective of this paper is to investigate power system state matrix sensitivity characteristics with respect to system parameter uncertainties with analytical and numerical approaches and to identify those parameters have great impact on system eigenvalues, therefore, the system stability properties. Those identified parameter variations need to be investigated with priority. The results can be used to help Regional Transmission Organizations (RTOs) and Independent System Operators (ISOs) perform planning studies under the open access environment.

      • KCI등재

        Power System Sensitivity Analysis for Probabilistic Small Signal Stability Assessment in a Deregulated Environment

        Zhao Yang Dong,Chee Khiang Pang,Pei Zhang 대한전기학회 2005 International Journal of Control, Automation, and Vol.3 No.2

        Deregulations and market practices in power industry have brought great challenges to the system planning area. In particular, they introduce a variety of uncertainties to system planning. New techniques are required to cope with such uncertainties. As a promising approach, probabilistic methods are attracting more and more attentions by system planners. In small signal stability analysis, generation control parameters play an important role in determining the stability margin. The objective of this paper is to investigate power system state matrix sensitivity characteristics with respect to system parameter uncertainties with analytical and numerical approaches and to identify those parameters have great impact on system eigenvalues, therefore, the system stability properties. Those identified parameter variations need to be investigated with priority. The results can be used to help Regional Transmission Organizations (RTOs) and Independent System Operators (ISOs) perform planning studies under the open access environment.

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