感应加热用晶闸管中频电源-毕业（完整版）资料(可以直接使用，可编辑优秀版资料，欢迎下载）【答案】AINPUT"请输入n的值："TON【答案】A10.下列叙述中正确的是________。D.LISTFOR性别="女"NEXT2C.限定分组检索结果D.限定查询条件C.数据库管理系统就是数据库系统*方法1dowhile.t.4.使用__________命令可以定义一个过程的开始。摘要感应加热电源具有加热效率高，速度快，可控性好，易于实现高温和局部加热，易于实现机械化和自动化等优点，目前已在金属熔炼、工件透热、淬火、焊接、铸造、弯管、表面热处理等行业得到了广泛的应用。本设计研究了中频感应加热及其相关技术的发展、现状和趋势，并在较全面的论述基础上，对可控硅中频感应加热电源的整流电路以及控制电路进行了设计。本文设计的电源电路可用于大型机械热加工设备的感应加热电源。整流电路采用三相桥式全控整流电路，其电路结构简单，使电源易于推广。本设计主要是分析由半导体二极管、晶闸管、大功率晶体管等元件组成的三相桥式可控整流电路、单相桥式并联逆变电路、保护电路以及继电器接触器控制电路等的工作原理和参数计算，并对整流触发电路和晶闸管中频电源等原理作专门的分析。关键词：可控硅中频电源，感应加热，逆变，保护电路ABSTRACTInductionheatingpowerisequippedwithlotsofadvantagessuchashighheatingefficiency,fastspeed,goodcontrollability,whichispronetomakeheatingofhighandpartialtemperature，andrealizemechanizationandautomation.Atpresentmetalmelting,workpieceheatpenetration,quenching,welding,casting,elbowpiece,surfaceheatingprocessinghasbeenwidelyapplied.Inductionheatingofmediumfrequencyanddevelopment,currentsituation,andtendencyrelatedtechnologyhasbeenstudied，andhavemadequitecomprehensiveandintheprofoundelaborationfoundation,thisarticlehascarriedonthedesigntomaincircuitandtheinversioncontrolofthesilicon-controlledrectifierintermediatefrequencyinductionheatingpower.Thisdesignisusedforbigfacilityofmechanicalheatingprocessing.Structureofrectificationcircuitiseasy,whichmakespowerpopularizedeasily.Three-phasebridgerectificationcircuitisusedinRectificationcircuit.Theanalysisisdesignedmainlybythesemiconductordiode,thyristor.High-powertransistorsandothercircuitelements,thethree-phasecontrolledrectifierbridge,parallelsingle-phaseinverterbridgecircuit.relaycontactorcontrolandprotectioncircuitfortheworkingprincipleandcircuitparameters.IFtriggeredthyristorpowerrectifiercircuitandalsootherprinciplesforspecializedanalysis.KEYWORDS:Controllablesiliconmediumpower,Inductionheating,Inverter,Protectcircuit.目录第1章绪论………………………………………………………………………..11.1课题的研究背景………………………………………………………….11.2课题研究的现状及意义………………………………………………….11.3论文结构…………………………