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中文摘要：
发电转移分布因子（GSDF）和广义发电分布因子（6GDF）是两种最常用的灵敏度分析及安全评估工具。电力市场中系统运行状态的调整不仅要确保安全，还要有良好的经济性。GSDF与GGDF两者经济性能孰优孰劣是一个一直被人们忽视却有着重要工程意义的问题。以理论分析和仿真计算为基础对GSDF、GGDF的合理性与经济性进行了深入的分析研究，得出GSDF在合理性和经济性两方面都优于GGDF的结论。以电力系统安全经济校核为例，通过IEEE-30节点系统仿真验证了结论的正确性。
英文摘要：
Generation Shift Distribution Factors （GSDF） and Generalized Generation Distribution Factors （GGDF） are two popular methods of contingency analysis and security assessment. In electricity market, the adjustment of system operating state must not only ensure system security, but also guarantee its economy. The difference of performance between GSDF and GGDF is a problem having been neglected all long, which has great engineering significance. Based on theoretical analysis and simulation, the rationality and economy between GGDF and GSDF are compared and a conclusion is drawn that the GSDF is better than GGDF in rationality as well as economic performance in this paper. Taking the power systems economic security correction as the example, the correctness of the conclusion is verified by the IEEE 30-bus system.
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