Journal of South China University of Technology (Natural Science Edition) ›› 2017, Vol. 45 ›› Issue (7): 8-15.doi: 10.3969/j.issn.1000-565X.2017.07.002

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Dynamic Active Power Optimization Control of Microgrid on the Basis of Credibility Theory

DONG Ping1 QIN Chuan1 FENG Yong-qing2   

  1. 1.School of Electric Power,South China University of Technology,Guangzhou 510640,Guangdong,China; 2.CSG Electric Power Dispatching Control Center,Guangzhou 510623,Guangdong,China
  • Received:2016-09-23 Revised:2017-03-14 Online:2017-07-25 Published:2017-06-01
  • Contact: 董萍( 1978-) ，女，博士，副教授，主要从事 FACTS 技术及电力系统优化与控制研究． E-mail:epsunxinglu@mail.scut.edu.cn
  • About author:董萍( 1978-) ，女，博士，副教授，主要从事 FACTS 技术及电力系统优化与控制研究．
  • Supported by:
    Supported by the National Program on Key Basic Research Project of China( 973 Program) ( 2013CB228205) and the National Natural Science Foundation of China( 51107042)

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Abstract: Aiming at the microgrid parallel operation system containing various distributed generations,a credibility theoretical analysis is made to establish a dynamic active power optimization model.Then,by taking the minimum microgrid operation cost as the objective function,the model is solved and the results are compared with those ob- tained by the optimization via scenario analysis.Calculation example verifies the correctness of the proposed model,as well as the effectiveness and practicability of above-mentioned method in dealing with the active power optimiza- tion of microgrid containing various small-scale distributed generations.

Key words: distributed generation, microgrid parallel operation system, fuzzy parameter representation, scenario method, credibility theory