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《Journal of Shanghai Jiaotong University》 2005-S1
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Continuation Method to Trace Two-parameter Local Bifurcation Segment in Power Systems Electro-mechanical Stability Model

CAO Guo-yun, LIU Li-xia, ZHAO Liang, CHEN Chen(School of Electronic, Information and Electrical Eng., Shanghai Jiaotong Univ., Shanghai 200240, China)  
The continuation method was applied to trace the equilibrium curve of power system differential-algebraic equations (DAEs) model, then from the calculated bifurcation value is was extended to solve the nonlinear algebraic equations that express the saddle-node and Hopf bifurcations occurred in DAEs. These algebraic equations that express the bifurcations not only are fit for calculating the bifurcations segment for any two-dimension parameter space in principle, but also keep the sparsity of the data structure in the analysis of power system dynamics in the form. Meantime, the information of the power system eigenproperty, such as the critical eigenvalue and its right eigenvector, is given during the calculating of the segment as by-product by this method. The method was applied in a multi-machine power system example to demonstrate its capability.
【Fund】: 国家自然科学基金资助项目(50307007)
【CateGory Index】: TM712
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【Co-references】
Chinese Journal Full-text Database 10 Hits
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