期刊
IEEE TRANSACTIONS ON SMART GRID
卷 9, 期 5, 页码 4983-4993出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TSG.2017.2676772
关键词
Decentralized optimization; dynamic economic dispatch; integrated transmission and distribution network; multi-parametric programming
资金
- National Key Research and Development Plan of China [2016YFB0900403]
- National Science Foundation of China [51477083]
As large scale distributed energy resources are integrated into distribution networks, coordinated dynamic economic dispatch (DED) for integrated transmission and distribution networks is becoming essential. In this paper, we describe a transmission and distribution network coordinated DED model and propose an efficient decentralized method to solve this problem using multi-parametric quadratic programming In the proposed method, only boundary variables are exchanged between transmission and distribution networks so that the privacy between different operators can he guaranteed. A revised procedure is developed based on the characteristics of the distribution network problem, which can significantly accelerate the iteration. An effective method for dealing with degeneracy in multi-parametric programming is also proposed. Numerical tests demonstrate that the proposed method can achieve a global optimal solution and that the coordinated DED method can provide additional economic benefits compared with the isolated economic dispatch method. Furthermore, the computational performance of the proposed method is far superior to some popular decentralized methods in terms of both iteration number and computation time.
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