Distinguishability analysis of controller parameters with applications to DFIG based wind turbine  

作　　者：QIN Chuan JU Ping WU Feng LIU Lei 

机构地区：[1]College of Energy and Electrical Engineering, Hohai University [2]Research Center for Renewable Energy Generation Engineering of Ministry of Education, Hohai University [3]College of Science, Hohai University

出　　处：《Science China(Technological Sciences)》2013年第10期2465-2472,共8页中国科学（技术科学英文版）

基　　金：supported by the National Natural Science Foundation of China(Grant Nos.51137002,51190102);Natural Science Foundation of Jiangsu Province(Grant No.BK2011026)

摘　　要：The power system controllers normally have more than one parameter.The distinguishability analysis of the controller parameters is to identify whether the optimal set of the parameters of the controllers is unique.It is difficult to obtain the analytic relationship between the objective of the optimization and the controller parameters,which means that the analytical method is not suitable for the distinguishability analysis.Therefore,a trajectory sensitivity based numerical method for the distinguishability analysis of the controller parameters is proposed in this paper.The relationship between the distinguishability and the sensitivities of the parameters is built.The magnitudes of the sensitivities are used to identify the key parameters,while the phase angles of the sensitivities are used to analyze the distinguishability of the key parameters.The distinguishability of the controller parameters of wind turbine with DFIG is studied using the proposed method,and dynamic simulations are performed to verify the results of the distinguishability analysis.

关 键 词：controller parameter OPTIMIZATION distinguishability analysis trajectory sensitivity DFIG 

分 类 号：TM315[电气工程—电机]