无模型控制器在风力发电变桨系统中的应用  

Application of model- free controller in Wind Power Pitch System

作　　者：黄俊梅[1] 薛永平 HUANG Jun - mei1 , XUE Yong - ping2(1. Department of Electronic Engineering, Shaanxi Energy Institute, Xianyang 712000, China ; 2. Xianyang Branch, China Telecommunications, Xianyang 712000, Chin)

机构地区：[1]陕西能源职业技术学院电子工程系,陕西咸阳712000 [2]中国电信集团公司咸阳分公司,陕西咸阳712000

出　　处：《陕西能源职业技术学院学报》2017年第2期28-32,共5页

摘　　要：风速、风向的随机性致使风力发电变桨距系统具有非线性、强耦合、大时滞等特点。为改善风力发电变桨系统动态性能，保证发电机输出功率恒定，引入无模型控制器，采用Matlab软件的Simulink工具构建模型，进行仿真测试。结果表明，在高风速段和额定风速附近，当风速变化值相同时，无模型变桨控制系统可通过桨距角的不同调节快速实现发电机恒定功率输出，将其应用于风力发电机组进行运行测试，运行结果与模拟结果一致。Due to the randomness of wind speed and wind direction, Wind Power Pitch System has the characteristics of nonlinear, strong coupling and large time - delay. In order to improve the system dynamic performance and guarantee the constant output power of the generator, the paper introduces Model Free Controller and builds the model and simulation by using the Matlab Simulink. The results show that near the high - rated wind speed and the rated wind speed, wind power pitch system with model free controller can realize the constant output power of the genera- tor by means of the different quick adjustment of the pitch angle when the wind speed change the same value, it also tested by wind turbine generator system which had the same result with the simulation.

关 键 词：风力发电 无模型控制 变桨 

分 类 号：TM571[电气工程—电器]