目 录
中文摘要
ABSTRACT
第一章 绪 论 ...................................................................................................................1
§1.1 风力发电概述 ....................................................................................................1
§1.2 风力发电技术发展趋势 ....................................................................................2
§1.3 课题的背景及意义 ............................................................................................3
§1.4 课题主要研究内容 ............................................................................................4
第二章 风力发电机组变桨距系统概述 .........................................................................6
§2.1 风力发电机组总体结构 ....................................................................................6
§2.1.1 机械结构 .....................................................................................................6
§2.1.2 控制系统 .....................................................................................................8
§2.2 变桨距控制原理 ..............................................................................................10
§2.3 变桨距系统执行机构 ......................................................................................12
§2.3.1 液压驱动变桨距机构 ...............................................................................12
§2.3.2 电动变桨距机构 .......................................................................................13
§2.4 本章小结 ..........................................................................................................13
第三章 变桨距系统总体设计 .......................................................................................14
§3.1 伺服系统 ..........................................................................................................14
§3.2 变桨距系统总体设计 ......................................................................................17
§3.2.1 执行机构设计 ...........................................................................................17
§3.2.2 电气结构布局 ...........................................................................................18
§3.3 伺服电动机控制策略规划 ..............................................................................19
§3.4 本章小结 ..........................................................................................................24
第四章 变桨距控制系统设计 .......................................................................................25
§4.1 硬件总体设计 ..................................................................................................25
§4.1.1 SERCOS 网络 ........................................................................................... 26
§4.1.2 控制器 .......................................................................................................27
§4.1.3 伺服驱动器 ...............................................................................................30
§4.1.4 伺服电动机 ...............................................................................................32
§4.1.5 检测装置 ...................................................................................................32