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《Automation of Electric Power Systems》 2003-17
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THE INFLUENCE OF SIMPLIFICATIONS OF SPEED VARIATIONS ON TRANSIENT STABILITY SIMULATION

Zhang Hengxu 1,2 , Xue Yusheng 1 (1. Nanjing Automation Research Institute, Nanjing 210003, China) (2. Shandong University, Jinan 250061, China)  
Generator model is an important factor influencing power system transient stability. The influence of simplifications of speed variations in stator voltage equations and/or the torque equation on transient stability is quantitatively studied by using extended equal area criterion (EEAC). It is revealed that the influence might be important if sub-transient generator models are adopted. Suggestions on choosing appropriate simplification of speed variations are given.
【Fund】: 国家重点基础研究专项经费资助项目 (G19980 2 0 30 1);; 国家自然科学基金资助项目 (5 992 0 0 37);; 国家电力公司科技项目(SP11 2 0 0 1 0 1 0 4 0 2 SP11 2 0 0 2 0 1 0 5 )
【CateGory Index】: TM743
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