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1、哈尔滨理工大学学士学位论文一种高压高频脉冲发生器的研制摘要高压高频脉冲电源有着广泛的应用领域，尤其在工业、医疗和绝缘测试等领域应用更为频繁。随着开关电源的高频化技术的进步和发展，电源装置具有体积小型化、快速的系统动态反应和高效率等优点，进一步扩展了它的应用范围。本设计结合了电力电子技术和脉冲功率技术，提出了一种研制高压高频脉冲发生器的研制方法，并对这种发生器的工作原理，设计方法做了详细的介绍。本文首先通过对大量中外文献的查阅，明确了高频高压脉冲发生器的发展现状、研究难点以及发展方向。其次，确定了以三相可控整流及IGBT全桥逆变为核心的高频脉冲发生器的实现方案
2、，详细介绍了主电路各部分功能并给出了高频脉冲变压器的设计步骤及参数计算过程。利用OrCAD/PSpice仿真软件对主电路进行了仿真分析及参数优化，对方案的可行性进行验证。最后，对高频脉冲发生器的控制电路进行了设计，分为三相整流调压控制系统及逆变与保护控制系统。详细介绍了各控制单元的实现方法及工作原理，实现了控制系统的调压、调频、恒流恒压与过流过压保护等功能。关键词 高频脉冲；全桥逆变；IGBT；-II-哈尔滨理工大学学士学位论文Ahigh-voltagehigh-frequencypulsegeneratordevelopedAbstractHigh-vol
3、tagehigh-frequencypulsepowersupplyhasawiderangeofapplications,especiallyinthefieldofindustrial,medicalandinsulationtestmorefrequently.Withtechnologicaladvancesandthedevelopmentofhigh-frequencyswitchingpowersupply,powersupplyunitshavetheadvantagesofsizeminiaturization,fastdynamicres
4、ponseandhighefficiency,andfurtherexpandeditsrangeofapplications.Thisdesigncombinesthepowerelectronicsandpulsedpowertechnology,thedevelopmentofmethodsforthedevelopmentofhigh-voltagehigh-frequencypulsegeneratorandthegeneratorworks,thedesignmethoddescribedindetail.Firstly,throughacces
5、stoalargenumberofforeignliterature,clearstatusofthedevelopmentofhigh-frequencyhigh-voltagepulsegenerator,thedifficultiesandthedevelopmentofdirection.Secondly,determinethehigh-frequencypulsegeneratorusethecoreofthethree-phasecontrolledrectifierandIGBTfull-bridgeinverter,describedind
6、etailthefunctionofeachofthemaincircuitandgivesahighfrequencypulsetransformerdesignstepsandparametercalculationprocess.UsetheOrCAD/PSpicesimulationsoftwareontheprimarycircuitsimulationanalysisandparametricoptimization,andtoverifythefeasibilityoftheprogram.Finally,thehigh-frequencypu
7、lsegeneratorcontrolcircuitisdesigned,voltagecontrolsystemisdividedintothree-phaserectifierandinverter,protectionandcontrolsystems.Detailsthemethodsandworkingprincipleofthecontrolunit,controlsystemregulator,frequencymodulation,constantcurrentandvoltageandover-currentprotectionfuncti
8、on.Keywords High-frequency
