《开关磁阻电机控制策略的研究》-毕业论文（设计）.doc

湖南工业大学本科生毕业设计(论文) 开关磁阻电机控制策略的研究 摘 要 开关磁阻发电机(The Switched Reluctance Generator 简称SRG)具有结构简单、能量密度高、过载能力强、容错性好、动静态性能好、效率高等特点，在许多场合有开发应用价值。 文章中对SRG的结构及工作原理进行了分析和研究，根据SRG发电运行时相电流波形变化特点，系统深入地研究了三相开关磁阻发电机的控制方案，并提出了角度位置控制、电流斩波控制、脉冲调制控制和全导通斩波控制，在此采用角度位置控制的控制方案实现三相开关磁阻发电机控制系统的设计。 控制系统中主要包括对主电路、驱动电路、保护电路和控制器的设计。控制器中又包括角度优化电路、角度位置控制电路、电流斩波控制电路。通过仿真角度，电流斩波，转速说明对输出功率的影响。证实了该控制系统设计的可行性。 关键词：开关磁阻发电机，角度位置控制，电流斩波控制，脉冲调制控制，全导通斩波控制 ABSTRACT In the paper, it is shows that the switched reluctance generator (SRG) has a wide application field and has some superior characteristics such as simple construction, high density of energy, high capacity of over loading, high fault-tolerance performance, high performances of both steady and transient. In this paper, the structure and operation principle of SRG are studied and analyzed, According to characteristics of phase-current waveform SRG under generating operation, the control methods of SRG are deeply studied. Then angle position control method, current chopping control method, pulse-width modulation control method, full conducted current chopping are presented in the paper. A SRG control system is designed and implemented by angle position control method. The control system includes main designs of the main circuit, the driving circuit, the protection circuit and the controller. that includes the circuit of angle optimization, the angle position control, and current chopping control. The influences of the angle, current chopping, and the rotational speed to the output are carried on according to the simulation, The feasibility of the control system design is confirmed. Keywords：SRG, APC, CCC, PWM, FCCC 目 录 TOC \o 1-3 \h \z \u HYPERLINK \l _Toc169515607 第1章 概述 PAGEREF _Toc169515607 \h 1 HYPERLINK \l _Toc169515608 1.1 前言 PAGEREF _Toc169515608 \h 1 HYPERLINK \l _Toc169515609 1.2 开关磁阻发电机系统优缺点 PAGEREF _Toc169515609 \h 2 HYPERLINK \l _Toc169515610 1.3 开关磁阻发电机特点及发展前景 PAGEREF _Toc169515610 \h 3 HYPERLINK \l _Toc16