Wide-area damping controller design of large-scale PV power plants in interconnected power systems
High penetration of photovoltaic (PV) generation has become a reality in many power systems. The impacts of large-scale grid-connected PV on low frequency oscillation stability cannot be ignored. This paper presents a method for the wide-area damping controller design for the suppression of inter-area oscillation using auxiliary signals in PV controller. Firstly, the capability of low frequency oscillation suppression using PV is investigated. Then a low order damping controller for inter-area oscillation suppression is designed based on phase compensation. Dominant mode ratio (DMR) is also employed to select the optimal feedback signals of supplementary controller. Finally, a simulation model of two-area four-generator system with a large-scale grid-connected PV power plant is established. The effectiveness of damping controller is validated both from the results of eigenvalue analysis and time domain simulations.
PV power plants low frequency oscillation phase compensation dominant mode ratio (DMR) damping controller
Jing Ge Da-wei Zhao Jin Ma Yu-sheng Wang Hong-ji Du Min-hui Qian
Nanjing University of Science and Technology China Electric Power Research Institute University of Sydney State Grid Electric Power Research Institute
国际会议
西安
英文
1-5
2016-09-01（万方平台首次上网日期，不代表论文的发表时间）