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《Automation of Electric Power Systems》 2003-08
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Zhu Chunming 1, Liu Mingbo 1, Pei Aihua 1, Qian Kangling 2, Li Fanghong 2, Huo Jinqiang 3, Ma Ji 3 (1. South China University of Technology, Guangzhou 510640, China) (2. Guangzhou Branch, Guangdian Group Co Ltd of Guangdong Province, Guangzhou 510600, China) (3. Guangzhou Keli General Electric Co Ltd, Guangzhou 510245, China)  
The control strategy of existing voltage and reactive power controller in substation is mainly based on the nine-zone diagram method. By means of discrete reactive power optimization of electric power network, a new method for computing control range setting of voltage and reactive power in substation is presented based on the active and reactive power curves of all load buses in a whole day. This method can not only trace optimal change curves of bus voltage and reactive power respectively at low-voltage and high-voltage sides of the transformer controlled, but also reduce the action number of transformer taps. Furthermore, the calculation results on the Luming power supply network of Guangzhou City and the simulation test results on the voltage and reactive power controller for substation have shown the correctness and effectiveness of the proposed method. This project is supported by National Natural Science Foundation of China (No. 50277013) and Natural Science Fund of Guangdong Province (No. 011648).
【Fund】: 国家自然科学基金资助项目 (5 0 2 770 13 );; 广东省自然科学基金资助项目 (0 1164 8)
【CateGory Index】: TM761.1
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