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CORRECTNESS DESIGN AND ANALYSIS OF CONTROL FUNCTIONS IN SUBSTATION AUTOMATION

WAN Fang, WANG Wen, ZHANG Gong, ZHANG Xiao-long, HUANG Kai, ZHAO Chun-hui ( School of Electrical Engineering, Shandong University, Jinan 250061, Shandong Province, China; China Electric Power Research Institute, Beijing 100085, China)  
Along with the development of substation automation system, the influence of correctness of its control functions on the secure and stable operation of power network becomes more and more important. Here, taking a substation supervisory system for example, the error model which may cause maloperation is established, several measures to ensure the correctness of the control operation are put forward and an algorithm to ensure the correctness of control operation is designed. The formal analysis on the consistency, uniqueness and real-time performance is conducted. The practical application results prove that the presented algorithm is effective.
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