4、制改善系统性能。运用Saber仿真则验证了所设计的软启动控制算法的可行性和可操作性。进而进行了数字控制器的软件总体方案设计,分别对主程序、PWM、ADC进行软件设计。最终完成3kW燃料电池DC/DC变换器样机的搭建,并进行测试。实验结果表明,带有源钳位的IBFBC设计方案在理论与实践上都具有可行性,并且能够满足交直流微电网对燃料电池DC/DC变换器宽输入、大升压、高效隔离的性能要求。关键词:燃料电池,宽输入,大升压,隔离升压全桥变换器,DSPIIIIIAbstractIntheExploitation and Usi
5、ng of New-energy,Fuelcellhavebeenwidespreadconcernedbecauseofitshighefficiency,lowenvironmentalimpactandscalability.However,fuelcellhasitsowndefecttoovercome,suchaslowoutputvoltage,baddynamic characteristicsandsoftoutputcharacteristics.ADC/DCconverterisusuallya
8、ageinductanceoftheisolatedtransformerandmagneticresetoftheinputinductorarediscussedrespectively.Eventually,3kWIBFBCisimprovedbyactiveclamptechnique.Accordingtothespecific re