流光放电等离子体烟气脱硫反应器、电源及其匹配问题研究毕业论文.doc

流光放电等离子体烟气脱硫反应器、电源及其匹配问题研究毕业论文 目 录 §1绪论···················································1 §1.1 前言···············································1 §1.2 等离子体烟气脱硫国内外研究现状····················2 1.2.1 电子束法·········································2 1.2.2 脉冲电晕法·····································3 1.2.3 交直流叠加电源流光放电等离子体发生技术 §1.3 流光放电等离子体烟气脱硫工艺流程介绍··············6 §1.4 本课题的主要研究内容·······························7 §2 流光放电等离子体烟气脱硫反应器的初步研究··············9 §2.1 反应器负载特性分析································9 §2.2 线板电极结构静态电容的计算·······················10 §2.3 不同供电方式的电晕放电模式·······················12 2. 3.1 直流供电的电晕放电模式························12 2. 3.2 交直流叠加供电的电晕放电模式··················14 §2.4 反应器电极配置的实验研究·························15 2.4.1 实验装置······································15 2.4.2 测量系统······································15 2.4.3 实验结果及分析································16 2.4.4 讨论··········································18 §3 交直流叠加电源的工作原理·····························20 §3.1 概述············································20 §3.2 交流电源的工作原理分析···························21 3.2.1 交流电源的主电路结构··························21 3.2.2 RLC串联谐振电路的原理分析····················22 3.2.3 桥式RLC串联谐振电路工作状态分析··············27 §3.3 直流电源的工作原理分析···························28 3.3.1直流电源的主电路结构···························28 3.3.2并联负载串联谐振电路谐振原理分析···············29 §3.4 交直流叠加电路工作原理分析·······················31 §3.5 功率母线技术·····································32 §4 交直流叠加电源的参数设计及实验分析························35 §4.1 交流电源的参数设计································35 4.1.1 逆变电路的参数设计····························35 4.1.2 直流环节滤波电路的参数设计···················37 4.1.3 整流电路的参数设计···························38 §4.2 直流电路的参数设计·······························39 §4.3 交直流叠加电路的参数设计及实现················40 §4.4 触发和控制电路的设计及实现·······················41 4.4.1 控制方法的综述·······························41 4.4.2 晶闸管触发电路·····························42 4.4.3 逆变控制电路·································44 §4.5 抗干扰设计及实现··························