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Optimal configuration of distributed power flow controller to enhance system loadability via mixed integer linear programming

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Journal of Modern Power Systems and Clean Energy 2019年第6期7卷 1484-1494页

作者： Jianfeng DAI Yi TANG Yuqian LIU Jia NING Qi WANG Ninghui ZHU Jingbo ZHAO College of Electrical Engineering Southeast UniversityNanjing 210096China China EPSI Science&Technology Company Beijing 102200China State Grid Jiangsu Electric Power Company Research Institute Nanjing 211100China

The increase of energy consumption has caused power systems to operate close to the limit of their *** distributed power flow controller(DPFC),as a new member of distributed flexible AC transmission systems,is introduced to remove this *** paper proposes an optimal DPFC configuration method to enhance system loadability considering economic performance based on mixed integer linear *** conflicting behavior of system loadability and DPFC investment is analyzed and optimal solutions are ***,the fuzzy decision-making method is implemented for determining the most preferred *** the most preferred solution obtained,the investment of DPFCs is minimized to find the optimal number,locations and set *** results on the IEEERTS79 system demonstrate that the proposed method is effective and reasonable.

关键词： Distributed power flow controller(DPFC) Optimal configuration System loadability Mixed integer linear programming

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Reactive Power Reserve Improvement Using Power Systems Inherent Structural Characteristics

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Energy and Power Engineering 2013年第4期5卷 986-991页

作者： Tajudeen H. Sikiru Adisa A. Jimoh Yskandar Hamam John T. Agee Roger Ceschi Department of Electrical Engineering Tshwane University of Technology South Africa Department of Electrical Engineering Tshwane University of Technology South Africa and LISV of UVSQ France ESIEE Paris France and FSATI at Tshwane University of Technology South Africa LISV of UVSQ and ESME Sudria France

This paper considers the use of the inherent structural characteristics of power system networks for improving the reactive power reserve margins for both topologically weak and strong networks. The inherent structural characteristics of the network are derived from the Schur complement of the partitioned Y-admittance matrix using circuit theory representations. Results show that topologically strong networks, operating close to the upper voltage limit could be made to increase their loadability margin by locating reactive power compensators close to generator sources, whereas topologically weak (ill conditioned) networks could be made to operate within the feasible operating limits by locating reactive power compensators on buses farther from generator sources.

关键词： Power System Networks Inherent Characteristics Reactive Power Reserve Margin loadability Margin Schur Complement

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