高压软开关充电电源硬件设计

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1、高压软开关充电电源硬件设计高压软开关充电电源硬件设计摘要电源对于所有用电设备是必不可少的开关电源取消了传统电源采用的笨重的工频变压器使得电源的体积大大缩小电源中的电力电子器件工作在开关状态使整机效率很高由于它具有体积小重量轻和效率高的优点因而发展非常迅速应用范围日益扩大本文简要介绍了开关电源的基本结构工作原理以及其发展状况和技术的发展趋势并对开关电源的分类和优缺点进行了阐述本文还介绍了减小开关电源体积和开关损耗的技术软开关技术在前面知识的基础上本论文利用谐振开关技术设计了一台给高压脉冲电容充电的高压软开关电源在谐振开关

2、技术中最适合给脉冲电容充电的电路是串联谐振开关电路输出近似为恒流源或称等台阶充电突出的优点是充电效率高且电路本身具有短路保护能力整个装置利用DSP实现电路的控制PWM信号形成及电路的保护由于采用了全数字的控制充电的稳定度很高装置的开关频率是20kHz属于高频因此使得每次开关所充的电量较小这大大提高了充电的精度关键词开关电源软开关充电High-pressuredSoftSwitchChargePowerSourceHardwareDesignAbstractThepowersupplyisessentialtoalleq

3、uipmentwhichuseselectricityTheswitchingpowersupplyhascancelledtheconversiondepressorthattraditionalpowersourcesadoptcausingthevolumeofthepowersourcetoreducegreatlyInpowersupplyelectronicdeviceworksinsoftswitchconditionsotheentireefficiencytobeveryhighBecausethev

4、olumeissmalltheweightislightandtheefficiencyhighthusitdevelopsextremelyrapidlytheapplicationofthesoftswitchingpowersupplyexpandsdaybydayThisarticlebrieflyintroducedtheswitchingpowersupplybasicstructuretheprincipleofworkaswellasitsdevelopmentconditionandthetechni

5、caldevelopmenttendencyInadditionstartedfromoppositedirectionsfolioturnsoffthepowersourcetheclassificationandthevirtuesanddefectshascarriedindetailThisarticlealsointroducedanewtechnicalsoftswitchtechnologywhichtheswitchingpowersupplyvolumeandtheswitchlosscanbeavo

6、idedInfrontknowledgefoundationpresentpaperuseresonance-switchtechnicaldesignonetooforhigh-pressuredpulseelectriccapacitychargehigh-pressuresoftswitchingpowersupplyThepulseelectriccapacitychargeintheresonantswitchtechnologytheelectriccircuitistheseriesresonancesw

7、itchincircuitsOutputsisapproximateforthepermanentcurrentsourceorcalls"thestairchargeTheprominentmeritisthechargeefficiencyishighalsohasinherentlyshort-circuitstheprotectionabilityEntirerealizestheelectriccircuitcontrolthePWMsignalusingDSPformsandtheelectriccircu

8、itprotectionBecauseithasusedentiredigitalcontrolthechargestabilityisveryhighTheinstallmentturn-onfrequencyis20kHzbelongingtohighfrequencythereforeeachtimetheswitchflu