Optimal distributed secondary control for an islanded microgrid
Yinliang Xu; Zhongkai Yi Tsinghua-Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Shenzhen, People’s Republic of China
Abstract
This chapter discusses an optimal distributed control strategy for multiple distributed generators (DGs) in the microgrid of islanded mode. To maintain the accuracy of active power sharing and eliminate frequency deviation in a finite-time manner, a finite-time secondary frequency control strategy is proposed. It is demonstrated that the traditional asymptotically convergent distributed control method is just a special case of the proposed strategy under specific parameters of the controller. Then, a secondary ...
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