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《Automation of Electric Power Systems》 2004-19
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Xu Jianbing , Xue Yusheng , Zhang Qiping , Chen Kaiyong , Li Gang , Hong Xianping , Xu Taishan , Bao Yanhong ( Nanjing Automation Research Institute, Nanjing 210003, China) ( Zhejiang University, Hangzhou 310027, China) ( East China Grid Company Limited, Shanghai 200002, China) ( East China Electric Power Consultant Company Limited, Shanghai 200002, China)  
Based on coherency characteristics of rotor angles as well as bus voltages, placement of phasor measurement units (PMU) is optimized. All potentially critical-modes for transient angle stability are identified by extended equal area criterion (EEAC), and then a PMU is assigned to one of the power plants in each critical cluster. All potentially critical bus-clusters for transient voltage stability are identified via assessing transient voltage stability and transient voltage-dip acceptability, and then a PMU is assigned to one bus in each critical bus-cluster. Moreover, the optimal sequence for placing the PMUs is proposed. The effectiveness of the proposed algorithm is verified with numerical simulation on a real power system, and the resultant scheme is being implemented.