基于DSP的开关磁阻电机调速系统功率变换器设计.doc

郑州航空工业管理学院
毕业论文
2013 届电气工程及其自动化专业 1106972 班级
题目基于DSP的开关磁阻电机调速系统功率变化器设计
姓名李朝鹏学号 110697205
指导教师崔建锋职称副教授
二О一三年五月二十日
内容提要
开关磁阻电机(SRM)是一种伴随着电机学,微电子学,电力电子技术,智能控制技术发展起来的一种新型电机。因其结构简单、控制灵活、可四象限运行、可靠性高、能在较宽的速度和转矩范围内高效运行,而在车辆牵引,生活电器,机械等越来越多的领域得到应用。同时,关于开关磁阻电机驱动的一些技术难题也成为国内外学术界研究的热门课题。
本文首先介绍SRM的结构原理、特点及控制方式,然后以8/6极开关磁阻电机(SRM)为控制对象,以DSP TMS320F2407为核心,主要进行功率变换器设计。通过对常见的几种功率变换器主电路比较,选用H桥式主电路,功率开关管采用IGBT,IGBT由芯片EXB841驱动。理论上,该设计正确可行。
关键词
开关磁阻电机 IGBT DSP 驱动功率变换电路
Abstract
Switched reluctance motor (SRM) is a kind of new motor developed with the development of electrical machinery, microelectronics, power electronics technology, intelligent control technology .It is simple in structure, control of quadrant operation flexible, can be, high reliability, can be in a wider speed and torque range efficient operation features, its advantage technical performance and economic indexes in the domestic and foreign gets more and more extensive attention.
This topic provides a based on digital signal processing (DSP) of switched reluctance motor current control scheme. mon power converter main circuit based on parison, choose H bridge type main electric circuit .This article put forward the special require of drive circuit to Insulation Grid Bipolar Transistor and consider the problem of designing the drive circuit, describe mon style of drive circuit, and give some practical and typical circuit. In theory, the design is feasible.
Key Words
switched reluctance motor,IGBT, digital signal processing, drive, power transfer circuit
目录
1. 绪论...................................................1
……………………….1
(SRD)的优缺点…………………..2
………………………………………….2
………………………………………….4
2. 开关磁阻电机调速系统的组成及工作原理……………………….5
…………………………… 5
……………………………………….8
SRM运行过程分析……………………………………..8
SR电机的工作原理…………………………………..10
3. 控制器设计…………………………………………………………14
转子位置检测电路…………………………………………14
电流检测电路…………………………………