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HAN Jun,CUI Wenting,HUANG Junhui,XIE Zhenjian,WANG Na,CHEN Xi.Research on Optimization of Configuration Methods for Distributed Generations in Wind Farm[J].JOURNAL OF POWER SUPPLY,2019,17(5):113-119
Research on Optimization of Configuration Methods for Distributed Generations in Wind Farm
Received:January 24, 2018  Revised:December 05, 2018
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DOI:10.13234/j.issn.2095-2805.2019.5.113
Keywords:wind farm  distributed generation(DG)  active network loss  optimization configuration  objective functi-on  optimal constant-capacity scheme
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AuthorInstitutionEmail
HAN Jun Planning and Review Center, State Grid Jiangsu Electric Power Co., Ltd., Economic Research Institute, Nanjing , China BJS3366@126.com
CUI Wenting Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin , China
HUANG Junhui Planning and Review Center, State Grid Jiangsu Electric Power Co., Ltd., Economic Research Institute, Nanjing , China
XIE Zhenjian Planning and Review Center, State Grid Jiangsu Electric Power Co., Ltd., Economic Research Institute, Nanjing , China
WANG Na Planning and Review Center, State Grid Jiangsu Electric Power Co., Ltd., Economic Research Institute, Nanjing , China
CHEN Xi Planning and Review Center, State Grid Jiangsu Electric Power Co., Ltd., Economic Research Institute, Nanjing , China
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Abstract:
      Since the existing configuration method for power supply from a wind power system generally determines the connection point to power grid by the working moment, it is difficult to obtain the optimal constant-capacity of power distribution, and the network loss is relatively larger. Therefore, the configuration effect is not ideal. In response to this problem, the optimization of configuration methods for distributed generations(DGs) is studied. First, an objective functi-on for the configuration of DGs in the wind farm is established, and the over-limit probabilities of active network loss and state variables of DG nodes are obtained by means of the constraint equation. Then, the optimal constant-capacity scheme for DG distribution is obtained by using the improved basic electromagnetism-like mechanism method, thus realizing the optimization configuration of DGs. Experimental results show that the proposed method can reduce the active network loss of the wind farm, and the average configuration error rate and stability are 1.96% and 96.2%, respectively, showing the best power optimization configuration effect.
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