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多馈入交直流输电系统的模糊控制器协调优化算法
引用本文:朱浩骏,蔡泽祥,刘皓明,贾庆山,倪以信,吴复立.多馈入交直流输电系统的模糊控制器协调优化算法[J].中国电机工程学报,2006,26(13):7-13.
作者姓名:朱浩骏  蔡泽祥  刘皓明  贾庆山  倪以信  吴复立
作者单位:1. 华南理工大学电力学院,广东省,广州市,510640
2. 河海大学电气工程学院,江苏省,南京市,210098
3. 清华大学自动化系智能与网络化系统研究中心,北京市,海淀区100084
4. 清华大学深圳研究生院,广东省,深圳市518055
5. 香港大学电机电子工程系,香港
基金项目:国家自然科学基金重点项目(50337010)。~~
摘    要:设计了一套阻尼区域间功率振荡的模糊控制器。在多馈入交直流输电系统的直流功率控制系统和发电机励磁系统中同时采用了该模糊控制器,并对影响其性能的关键参数进行了协调优化。为了解决优化结果容易限于局部最优的问题,采用了遗传算法进行全局并行寻优,同时引入序优化理论在概率意义上保证优化解的质量。仿真结果表明:与常规阻尼控制器相比,模糊控制器能更好地提高交直流互联系统的动态稳定性且具有鲁棒性。序优化遗传算法比传统遗传算法具有更稳定的性能,可作为多馈入交直流输电系统的模糊控制器参数协调优化的一种有效方法。

关 键 词:多馈入直流输电  电力系统稳定  模糊控制  遗传算法  序优化
文章编号:0258-8013(2006)13-0007-07
收稿时间:2006-03-21
修稿时间:2006-03-21

Coordinate Optimization Algorithm of Fuzzy Controller in Multi-infeed AC/DC Power Systems
ZHU Hao-jun,CAI Ze-xiang,LIU Hao-ming,JIA Qing-shan,NI Yi-xin,Felix WU.Coordinate Optimization Algorithm of Fuzzy Controller in Multi-infeed AC/DC Power Systems[J].Proceedings of the CSEE,2006,26(13):7-13.
Authors:ZHU Hao-jun  CAI Ze-xiang  LIU Hao-ming  JIA Qing-shan  NI Yi-xin  Felix WU
Affiliation:1. South China University of Technology, Guangzhou 510640, Guangdong Province,China; 2. Hohai University, Nanjing 210098, Jiangsu Province,China; 3. Department of Automation, CFINS, Tsinghua University, Haidian District, Beijing 100084, China; 4. Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, Guangdong Province,China; 5. The University of Hong Kong, Hong Kong, China
Abstract:A fuzzy damping controller is designed to damp inter-area power oscillation. The proposed fuzzy controller is applied to dc power control system and excitation system of a multi-infeed AC/DC power system with coordination of controller parameters. To avoid obtaining locally optimized solutions, genetic algorithm is used to search optimal parameters of fuzzy controllers. Moreover ordinal optimization is introduced to guarantee the quality of solution at high probability. Simulation results demonstrate that coordinated optimal fuzzy controllers can enhance dynamic stability of AC/DC interconnected system more effectively and have better robustness than conventional damping controllers. The ordinal optimization based genetic algorithm has more stable performance than conventional genetic algorithm, and is proved to be a promising method for controller parameters optimal coordination of multi-infeed AC/DC power systems.
Keywords:multi-infeed HVDC transmission  power system stability  fuzzy control  genetic algorithm  ordinal optimization
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