永磁同步风力发电系统功率优化新策略  

A novel power optimization strategy for permanent magnet synchronous wind power generation system

作　　者：程勇[1] 彭亮[1] 崔少博 陈宝林 CHENG Yong;PENG Liang;CUI Shaobo;CHEN Baolin(School of Electrical and Control Engineering,Xi’an University of Science and Technology,Xi’an 710054,China)

机构地区：[1]西安科技大学电气与控制工程学院,陕西西安710054

出　　处：《现代电子技术》2018年第16期135-139,共5页Modern Electronics Technique

摘　　要：以Matlab/Simulink为平台搭建永磁同步风力发电系统,通过对基于移动指数平均算法(EMA)的功率误差控制器对永磁风电系统功率环的波形影响进行分析,发现可以以一个函数实现EMA控制算法对功率误差的作用。在此基础上提出以一个新的函数代替EMA算法中的模糊逻辑控制器为基础的改进型EMA算法,并将其作为永磁风力发电系统的功率误差控制器。经过Simulink仿真平台分析波形,得出改进型EMA算法具有对永磁风力发电系统功率优化的功能;且通过对比传统EMA算法和改进后的移动指数平均算法的仿真波形与数据及其算法的数学结构,可知所用的新函数具有代替模糊逻辑控制器实现移动指数平均算法在PMSG功率控制上所具有的优化功能。A permanent magnet synchronous wind power generation system is established on the Matlab/Simulink platform.After analyzing the influence of the exponential moving average(EMA)algorithm based power error controller on power circle waveforms of the permanent magnet wind power system,it is found that a function can be used to realize the function of the EMA control algorithm on power error.On this basis,an improved EMA algorithm is proposed,which uses a new function to replace the fuzzy logic controller in the EMA algorithm,and is taken as the power error controller of the permanent magnet wind power generation system.After waveform analysis on the Simulink simulation platform,it is found that the improved EMA algorithm has the function of power optimization of the permanent magnet wind power generation system.By comparing the simulation waveforms,data,and mathematical structure of the traditional EMA algorithm and improved EMA algorithm,it is concluded that the new function can replace the fuzzy logic controller to realize the optimization function that the EMA algorithm has on PMSG power control.

关 键 词：永磁风力发电 功率优化 模糊逻辑控制器 改进型EMA算法 功率误差 函数 

分 类 号：TN344-34[电子电信—物理电子学] TM315[电气工程—电机]