摘 要
随着微电子技术和电子计算机的技术的迅猛发展，电子电路的分析与设计方法发生了巨大的变革，通用电路的分析与设计已有许多软件，而目前国内外流行最广的电路分析软件是Pspice。
Pspice软件具有强大的电路图绘制功能、电路模拟仿真功能、图形后处理功能和元器件符号制作功能，以图形方式输入，自动进行电路检查，生成图表，模拟和计算电路。它的用途非常广泛，不仅可以用于电路分析和优化设计，还可用于电子线路、电路和信号与系统等课程的计算机辅助教学。与印制版设计软件配合使用，还可实现电子设计自动化。被公认是通用电路模拟程序中最优秀的软件，具有广阔的应用前景。
本论文主要通过Pspice强大的仿真能力来实现对三相全控桥式电路的设计，应用该软件建立实时仿真模型，进行瞬态分析。根据仿真结果对其电路特性进行分析、比较，加深了对三相全控桥式整流电路工作原理和电路特性的理解。
关键词：Pspice；三相全控桥式整流电路；仿真；瞬态分析
Abstract
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With the rapid development of microelectronics technology and electronic computer technology,electronic circuit analysis and design has undergone tremendous changes, general-purpose circuit analysis and design of many existing software, the most widely popular circuit analysis software at home and abroad is Spice.
Pspice software has powerful function schematic drawing, circuit simulation, functional, graphic post-processing functions and components production function symbols to graphically input, the circuit automatically checks, generate charts, simulation and calculation circuit. Its use is very extensive, not only can be used for circuit analysis and optimization of design, can also be used in electronic circuits, circuits and signals and systems courses in computer aided instruction. And PCB design software with the use of electronic design automation can be achieved. Be recognized as general-purpose circuit simulation program of the best software, have broad application prospects.
This thesis through Pspice powerful simulation capability to realize the three-phase fully-controlled bridge circuit,using the software to set up a real-time simulation model, then transient analysis . According to the simulation results of the characteristics of their circuit analysis, comparison, better control of three-phase full bridge rectifier circuit theory and circuit characteristics of understanding.
Key words: Pspice; Three-phase fully-controlled bridge rectifier circuit; Simulation; Transient analysis
目 录
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绪论 .................................................................................................................................... 1 1.1 仿真是设计电气电路和系统的有效手段 ................................................................... 1 1.2 仿真软件的应用 ........................................................................................................ 1 1.3 本课题的研究内容及意义 ......................................................................................... 2 2 Pspice仿真软件概述 ............................................................................................................. 2
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2.1 Pspice的起源与发展 ................................................................................................. 2 2.2 Pspice仿真软件的优越性 .......................................................................................... 3 2.3 Pspice的基本组成 ..................................................................................................... 4 2.4 Pspice可执行的仿真分析 .......................................................................................... 5
2.4.1 基本分析 ........................................................................................................ 5 2.4.2 高级分析 ........................................................................................................ 6 2.5 Pspice软件基本使用步骤 .......................................................................................... 6 3 三相全控桥式整流电路的电路分析 ...................................................................................... 7
3.1 整流电路的分类 ........................................................................................................ 7 3.2 三相全控桥式整流电路 ............................................................................................. 8
3.2.1 电阻性负载 ..................................................................................................... 8 3.2.2 电感性负载 ................................................................................................... 15
4 基于Pspice的三相全控桥式整流电路的仿真与设计 ......................................................... 19
4.1 介绍 ........................................................................................................................... 20 4.2 单相半波可控整流电路仿真与设计 ........................................................................ 20 4.3 单相全波可控整流电路 ........................................................................................... 24 4.4 三相半波可控整流电路 ........................................................................................... 26 4.5 三相半控桥式整流电路 ........................................................................................... 27 4.6 三相全控桥式整流电路设计 .................................................................................... 28 5
结束语 .............................................................................................................................. 35
参考文献 ................................................................................................................................... 36 致 谢 ....................................................................................................................................... 37 附 录 ....................................................................................................................................... 38
附录1 单相半波可控整流电路及波形图....................................................................... 38 附录2 并联续流二极管的单相桥式半控整流电路及其波形图 ..................................... 40 附录3 三相半波电感性负载接续流二极管时的电路及波形 ........................................ 42 附录4 输出文本文件4.5.OUT部分内容 ...................................................................... 43
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