The following information was submitted:
Transactions: WSEAS TRANSACTIONS ON CIRCUITS AND SYSTEMS
Transactions ID Number: 53-311
Full Name: Wei Yan
Position: Doctor (Researcher)
Age: ON
Sex: Male
Address: College of Electrical Engineering in Chongqing University
Country: CHINA
Tel: 86-023-65112300
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E-mail address: huxiuqiongdu@163.com
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Title of the Paper: a preventive control model for static voltage stability and thermal stability based on power transfer capabilities of weak branches
Authors as they appear in the Paper: Wei Yan,Xiuqiong Hu,Juan Yu,Wenyuan Li
Email addresses of all the authors: cquyanwei@cqu.edu.cn,huxiuqiongdu@163.com,dianlixi@ cqu.edu.cn,wen.yuan.li@bctc.com
Number of paper pages: 10
Abstract: A preventive control model for static voltage stability and thermal stability is presented using the apparent power constraints on weak branches as both static voltage stability constraints and thermal stability constraints. Firstly, a localized line-based voltage stability index is selected to determine the weak branches as well as their power transfer capabilities and the critical contingencies. A static security analysis method, which is based on PQ decouple method, is adopted to obtain the quadratic apparent power expressions of weak branches following each critical contingency. Then, the apparent power constraints on weak branches are established combining the power transfer capabilities and the apparent power expressions of weak branches. The proposed preventive control model has a quadratic form and can be solved by the predictor-corrector primal dual interior method. The simulation results for three IEEE test systems demonstrate the correctness and effectiv!
eness of the proposed preventive control model.
Keywords: Preventive control, Static voltage stability, Thermal stability, Weak branch, Apparent power constraint, Quadratic optimal model
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