三相正弦波变频电源设计

isresponsibleforOrganizationtraining,andimplementation,andcheck;12,masterworkshopsannualeconomicindicatorsofimplementation,reportingtofinancialhealthonaregularbasis;13,isresponsibleforthedailyoversightintheallocationanduseoffunds;14,responsibleforallDepartmentstatistics,collecting,sorting,reportingofaccountingreports;15,thecompanyresponsibleforthesupervisionoftheTreasury,includingthethirdgradelibrary,alibraryofmaterials,productsforregularinventoryhandling,sampling,storagemonitoring,thepickingwork,andprovidetheinventoryreport,andmaketheappropriateaccountingtreatment;16,responsibleforwasteandrecycling,transportationandsettlement;17,isresponsibleforallproductsalesaccountingfunctions;18,responsibleforthecompany'srawmaterials,auxiliarymaterials,accountmanagement;19,isresponsiblefortheflowofcontrolofallassetsofthecompany,accordingtothechangesinaccountingtreatmentoffixedassetsandassetstothedepartmentsresponsibleforclearing,settlementandassetmonthlyreportsubmittedtotheassetmanagementsectionoftheFinanceDepartmentofthecompanyorganizedonacompany-widespecialinspectionofassetmanagement;20,accordingtothecompany'sbusinessactivities,monthlyprojectsinvolvedinthebusinessactivitiesofthecompany(includingexpenses,businessmanagement,costcontrol,cashflow,revenue,etc)financialanalysis,provideabasisfordecisionsforthecompany,thebusinessofthecompanyresponsibleformonitoring,forecastingandriskanalysis;21,responsibleforthesettlementoftransactionswiththeBank;22,is时至今天，中国共产党已经走过了97年的历程，但我们要一直保持着建党时中国共产党人的奋斗精神和一颗永远爱人民的赤子之心。面向未来、面对挑战，中国共产党要始终不忘初心、牢记历史、坚韧不拔、继续前行!三相正弦波变频电源设计摘要:随着电力电子技术的迅速发展，将是电源技术更加成熟，经济，实用，实现高效率和高品质用电结合。变频电源随即而出现，变频电源被广泛应用于各个领域，是变频调速的核心所在。变频器电源主要用于交流电机的变频调速，其在电气传动系统中占据的地位日趋重要，已获得巨大的节能效果。该次课设为使用protel设计一个输出频率范围为20~100HZ，输出线电压有效值为36V，最大负载电流有效值为3A，负载为三相对称阻性负载（Y型接法）的三相正弦波变频电源的课程设计。关键词：变频电源protel三相正弦波变频电源三相正弦波变频电源设计1三相正弦波变频电源设计要求设计并制作一个三相正弦波变频电源，输出频率范围为20-100Hz，输出线电压有效值为36V，最大负载电流有效值为3A，负载为三相对称阻性负载（Y型接法）。三相正弦波变频电源原理方框图如图1-1所示。图1-1三相正弦波变频电源原理框图isresponsibleforOrganizationtraining,andimplementation,andcheck;12,masterworkshopsannualeconomicindicatorsofimplementation,reportingtofinancialhealthonaregularbasis;13,isresponsibleforthedailyoversightintheallocationanduseoffunds;14,responsibleforallDepartmentstatistics,collecting,sorting,reportingofaccountingreports;15,thecompanyresponsibleforthesupervisionoftheTreasury,includingthethirdgradelibrary,alibraryofmaterials,productsforregularinventoryhandling,sampling,storagemonitoring,thepickingwork,andprovidetheinventoryreport,andmaketheappropriateaccountingtreatment;16,responsibleforwasteandrecycling,transportationandsettlement;17,isresponsibleforallproductsalesaccountingfunctions;18,responsibleforthecompany'srawmaterials,auxiliarymaterials,accountmanagement;19,isresponsiblefortheflowofcontrolofallassetsofthecompany,accordingtothechangesinaccountingtreatmentoffixedassetsandassetstothedepartmentsresponsibleforclearing,settlementandassetmonthlyreportsubmittedtotheassetmanagementsectionoftheFinanceDepartmentofthecompanyorganizedonacompany-widespecialinspectionofassetmanagement;20,accordingtothecompany'sbusinessactivities,monthlyprojectsinvolvedinthebusinessactivitiesofthecompany(includingexpenses,businessmanagement,costcontrol,cashflow,revenue,etc)financialanalysis,provideabasisfordecisionsforthecompany,thebusinessofthecompanyresponsibleformonitoring,forecastingandriskanalysis;21,responsibleforthesettlementoftransactionswiththeBank;22,is时至今天，中国共产党已经走过了97年的历程，但我们要一直保持着建党时中国共产党人的奋斗精神和一颗永远爱人民的赤子之心。面向未来、面对挑战，中国共产党要始终不忘初心、牢记历史、坚韧不拔、继续前行!2相正弦波变频电源系统设计方案比较2.1整流滤波电路方案整流滤波电路可选用两种方案:1三相半波整流电路。2三相桥式整流电路。比较：1方案整流输出电压高，纹波电压较小且不存在断续现象，同时因电源变压器在正，负半周内部有电流供给负载，电源变压器得到了充分的利用，效率高，因此选用方案2。滤波电路用于滤波整流输出电压中的纹波，采用负载电阻两端并联电容器C的方式。2.2斩波电路方案直流斩波电路可选用两种方案；1降压斩波变换电路。2降压-升压变换电路。比较：1,2方案均能满足要求，但方案2的资源利用充分合理，因此选用方案2。2.3绝缘栅控双极型晶体管IGBT驱动电路方案绝缘栅控双极型晶体管IGBT驱动电路：1应用脉冲变压器直接驱动功率IGBT，来自控制脉冲形成单元的脉冲信号进高频晶体管进行功率放大后加到脉冲变压器上，有脉冲变压器隔离耦合，稳压管D限幅后来驱动IGBT。2有分立元器件构成的具有VGS保护的驱动电路，采用光电耦合电路实现控制电路与被驱动IGBT栅极的电隔离，并且提供合适的栅极驱动脉冲。3采用IGBT栅极驱动控制通用记成电路EXB系列芯片。比较：1中的不足表现在高频脉冲变压器因漏感的存在容易产生振荡。为了限制振荡，常常需要增加栅极电阻RG,这就影响了栅极驱动脉冲前后沿的陡度，降低了可应用的最高频率。2的不足之处就是采用分立的原件较多，抗干扰能力较差。与前面两种方案相比较，3采用集成芯片，使系统的可靠性好，切内部有保护电路，是较适合的一种IGBT的驱动方案。isresponsibleforOrganizationtraining,andimplementation,andcheck;12,masterworkshopsannualeconomicindicatorsofimplementation,reportingtofinancialhealthonaregularbasis;13,isresponsibleforthedailyoversightintheallocationanduseoffunds;14,responsibleforallDepartmentstatistics,collecting,sorting,reportingofaccountingreports;15,thecompanyresponsibleforthesupervisionoftheTreasury,includingthethirdgradelibrary,alibraryofmaterials,productsforregularinventoryhandling,sampling,storagemonitoring,thepickingwork,andprovidetheinventoryreport,andmaketheappropriateaccountingtreatment;16,responsibleforwasteandrecycling,transportationandsettlement;17,isresponsibleforallproductsalesaccountingfunctions;18,responsibleforthecompany'srawmaterials,auxiliarymaterials,accountmanagement;19,isresponsiblefortheflowofcontrolofallassetsofthecompany,accordingtothechangesinaccou