INTELLIGENT FUZZY CONTROLAND DECENTRALIZED COORDINATED CONTROL FOR MULTI-INFEED AC/DC SYSTEMS
CHEN Han-xiong1,2,LIU Tian-qi1,LIU Qun-ying1 (1.College of Electrical Engineering and Information,Sichuan University,Chengdu 610065,Sichuan Province,China;2.Southwest Electric Power Design Institute,Chengdu 610021,Sichuan Province,China)
In order to coordinate the control components in multi-infeed AC/DC system, a fuzzy optimal and decentralized and coordinated controller (FODC) is designed by virtue of the fuzzy logic reasoning method and the optimal decentralize and coordination algorithm, and it makes the performance of the whole AC/DC system optimized. A three machine AC/DC system is simulated by NETOMAC software, the simulation results show that the designed FODC can really improve the stability of the whole AC/DC system. The FODC, which is adapted to different disturbances, is better than the conventional no decentralized coordinated control (NDC) and optimal decentralized coordinated control (ODC).