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author:

Huang, Zhanghao (Huang, Zhanghao.) [1] | Zhang, Yachao (Zhang, Yachao.) [2] | Zheng, Feng (Zheng, Feng.) [3] | Lin, Jiahao (Lin, Jiahao.) [4] | An, Xueli (An, Xueli.) [5] | Shi, Han (Shi, Han.) [6]

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Abstract:

The complex game among the multi-market stakeholders and the uncertainty of high-permeable renewable energy have brought great challenges to the planning and operation of the distribution systems. Firstly, since the micro-grid and the distribution network belong to different stakeholders, we present a bi-level dispatch model for the active distribution network with multi-microgrids, in which the upper model and the lower model solve the optimization problems of the distribution network and the micro-grid respectively. In addition, to handle the renewable energy uncertainty, a two-stage stochastic optimization method of a day-ahead and real-time scheduling based on the above bi-level model framework is adopted, and the time-of-use electricity price mechanism is introduced to fully coordinate the energy management decisions of each market stakeholder. Then, the two-layer model being transformed into a mix-integer linear programming problem with the Karush-Kuhn-Tucker (KKT) condition and the second-order cone (SOC) relaxation technique, the optimal scheduling scheme under the extreme scenario set can be obtained. Finally, taking the IEEE-33 node distribution network system incorporated in the microgrid group as an example, it is verified that the proposed method effectively achieves the income balance of the distribution network and the micro-grid group considering renewable energy uncertainty, and it is conducive to the safe and stable operation of the distribution network. © 2021, Power System Technology Press. All right reserved.

Keyword:

Commerce Energy management Integer programming Microgrids Scheduling Stochastic models

Community:

  • [ 1 ] [Huang, Zhanghao]School of Electrical Engineering and Automation, Fuzhou University, Fuzhou; 350108, China
  • [ 2 ] [Zhang, Yachao]School of Electrical Engineering and Automation, Fuzhou University, Fuzhou; 350108, China
  • [ 3 ] [Zheng, Feng]School of Electrical Engineering and Automation, Fuzhou University, Fuzhou; 350108, China
  • [ 4 ] [Lin, Jiahao]School of Electrical Engineering and Automation, Fuzhou University, Fuzhou; 350108, China
  • [ 5 ] [An, Xueli]China Institute of Water Resources and Hydropower Research, Haidian District, Beijing; 100038, China
  • [ 6 ] [Shi, Han]College of Mechanical and Electrical Engineering, Northeast Forestry University, Harbin; 150040, China

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Source :

Power System Technology

ISSN: 1000-3673

Year: 2021

Issue: 6

Volume: 45

Page: 2299-2307

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 25

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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