电力系统及其自动化学报ProceedingsoftheCSU-EPSA第35卷第4期2023年4月Vol.35No.4Apr.2023CCM模式下单相BoostAPFC电流的解析计算方法薛飞（国网宁夏电力有限公司电力科学研究院，银川750001）摘要：针对单相Boost有源功率因数校正APFC（activepowerfactorcorrection）变换器效率分析存在计算量大的问题，基于单相BoostAPFC变换器在连续导通模式CCM（continuousconductionmode）下的基本工作原理，提出了一种高精度快速解析法。首先，提取出其对损耗和效率有影响的特征电流波形；然后，经过数学推导，采用解析法计算单相BoostAPFC变换器特征电流的数学表达式；最后，开发了一台3kW单相BoostAPFC变换器样机。实验结果表明，提出的解析法能够快速有效地对单相BoostAPFC变换器的电流进行准确分析，为其损耗计算和效率分析提供先导理论支撑。关键词：有源功率因数校正变换器；特征电流；电流波形；解析法；高精度中图分类号：TM722文献标志码：A文章编号：1003-8930（2023）04-0109-07DOI：10.19635/j.cnki.csu-epsa.001099AnalyticalMethodforCalculatingtheCurrentofSingle-phaseBoostAPFCConverterinCCMXUEFei（ElectricPowerResearchInstitute，StateGridNingxiaElectricPowerCo.，Ltd，Yinchuan750001，China）Abstract:Aimedattheproblemthatthereexistsalargecalculationloadwhenanalyzingtheefficiencyofasingle-phaseBoostactivepowerfactorcorrection（APFC）converter，akindoffastanalyticalmethodwithhighprecisionisproposedbasedonthebasicworkingprincipleforthesingle-phaseBoostAPFCconverterincontinuousconductionmode（CCM）.First，thewaveformsofcharacteristiccurrentthataffectitspowerlossandefficiencyareextracted.Second，throughmathematicalderivation，themathematicexpressionsforcalculatingthecharacteristiccurrentofthesingle-phaseBoostAPFCconverterareanalyzedusingtheanalyticalmethod.Finally，a3kWsingle-phaseBoostAPFCconverterproto⁃typewasdeveloped.Experimentalresultsshowthattheproposedanalyticalmethodcanfastandeffectivelyanalyzethecurrentofthesingle-phaseBoostAPFCconverterwithhighprecision，providingatheoreticalsupportfortheanalysisofitspowerlossandefficiency.Keywords:activepowerfactorcorrection（APFC）converter；characteristiccurrent；currentwaveform；analyticalmethod...
