China Southern Power Grid(CSG)is a typical power grid with ultra-high voltage level,long-distance transmission,large capacity and hybrid AC/DC operation mode that has led to a complicated stability problem.As a result,low frequency oscillation incidents have occasionally taken place in recent years.The research on the control strategy for low frequency oscillation in CSG is of particular importance.A review is made of various kinds of recent low frequency oscillation faults in CSG,the principles of handling and technical method for their control.Based on the eigen-value analysis method,the oscillation types in summer peak operation mode in CSG are analyzed and the effects of low frequency oscillation control methods used by system operators are compared.The control strategy applicable to each specific oscillation mode is pointed out to further improve the system operators skill at dealing with low frequency oscillation faults.
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Related Author
JIANG Songhan
PENG Ke
ZHAO Xueshen
CHEN Jiajia
JIANG Yan
LIU Yuxin
DING Jiong
ZHU Jiebei
Related Institution
College of Electrical and Electronic Engineering, Shandong University of Technology
Key Laboratory of Smart Grid of Ministry of Education(Tianjin University)
Guangxi Power Grid Company Limited
School of Electrical and Information Engineering, Changsha University of Science &Technology
NARI Group Corporation(State Grid Electric Power Research Institute)