单相全控整流电路liuwen.docVIP

电力电子技术课程设计说明书 单相桥式整流电路 系 、 部 电气与信息工程系 学生姓名： 刘文 指导教师： 肖文英 职称 教 师 专 业： 电气自动化技术 班 级： 电气0901班 完成时间： 2011-06-10 摘 要 掌握晶闸管的使用，用晶闸管控制单相桥式全控整流电路 （阻感性负载）并画出相应地电路原理图。单相桥式全控整流电路的组成部分及各部分所担任的工作要求及其工作原理与流程。保护电路、触发（驱动）电路的设计。 关键字：晶闸管；单相；桥式；整流 ；保护；驱动。 目 录 1 单相桥式整流电路方案的选择································································3 2 系统主体电路的设计·············································································6 2.1系统总设计框图·············································································6 2.2系统主体电路原理及说明································································6 2.3 原理图的分析···············································································8 2.4整流电路参数计算·········································································9 2.5元器件的选取···············································································10 2.6性能指标分析···············································································12 3 辅助电路的设计·················································································13 3.1驱动电路的设计···········································································13 3.1.1对触发电路的要求···································································13 3.1.2晶闸管触发电路类型·······························································13 3.2保护电路的设计···········································································17 3.2.1 主电路的过电压保护设计························································17 3.2.2晶闸管的保护电路··································································18 3.3 电流上升率、电压上升率的抑制保护··············································21 3.3.1电流上升率di/dt的抑制··························································21 3.3.2电压上升率du/dt的抑制··························································21 4 电路仿真······································································