期刊文献+

用特征值灵敏度法分析系统参数对小干扰稳定性的影响 被引量:9

Effect of system parameter on small signal stability by eigenvalue sensitivity
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摘要 电力系统小干扰分析中,特征值对参数的灵敏度定量地提供了参数影响的程度和趋势。该文以某电网的典型运行方式为基础,根据特征值对任意运行参数(如PQ节点功率、PV节点电压)和网络参数(如线路阻抗、变压器分接头)的灵敏度,分析了各个系统参数对电网小干扰稳定性的影响。依据分析结果,可以通过调整系统参数来改善系统的小干扰稳定性。 In small signal stability study of power systems, eigenvalue sensitivities with respect to parameters quantitatively provide the influencing magnitude and trend. Based on the typical operating mode of a power system, the effects of various parameters on the system small signal stability are analyzed in this paper by using the eigenvalue sensitivities with respect to arbitrary system operating parameters (modal injections and PV voltage) and power network parameters (line impedances and transformer taps). From the analysis result, the small signal stability of the system can be improved by adjusting the parameters.
出处 《继电器》 CSCD 北大核心 2006年第9期16-20,共5页 Relay
基金 国家自然科学基金资助项目(50177028)
关键词 特征值 灵敏度 系统参数 小干扰稳定性 eigenvalue sensitivity system parameter small signal stability
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参考文献7

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