应用于光伏发电的开关电感电容DC-DC变换器  

Switched Inductance Capacitor DC-DC Converter for Photovoltaic Power Generation

作　　者：谢国民 关博文 吴琨 梁小飞 XIE Guomin;GUAN Bowen;WU Kun;LIANG Xiaofei(College of Electrical and Control Engineering,Liaoning Technical University(Huludao Campus)Huludao 125105,Liaoning,China;Jinzhou Power Supply Company,State Grid Liaoning Electric Power Co.,Ltd.,Jinzhou 121000,Liaoning,China;Yingkou Power Supply Company,State Grid Liaoning Electric Power Co.,Ltd.,Yingkou 115000,Liaoning,China)

机构地区：[1]辽宁工程技术大学(葫芦岛校区)电气与控制工程学院,辽宁葫芦岛125105 [2]国网辽宁省电力有限公司锦州供电公司,辽宁锦州121000 [3]国网辽宁省电力有限公司营口供电公司,辽宁营口115000

出　　处：《电气传动》2021年第1期15-21,共7页Electric Drive

基　　金：国家自然科学基金(51274118);辽宁省教育厅(LJYL014);辽宁省重点实验室(LJZS003)。

摘　　要：通过将开关电感电容单元引入交错并联Boost变换器,提出了一种高增益开关电感电容组合Boost拓扑交错并联DC-DC变换器,同时将变换器中的4个电感进行了磁集成,分析了变换器的工作模态,对变换器的工作性能进行分析,推导得到了变换器的电压增益和开关管的电压应力;具体分析了电感集成后的等效稳态电感和等效暂态电感,给出了基于变换器电感电流稳态电流纹波和动态响应的耦合电感设计准则,最后通过实验验证的方式,证明了理论分析的正确性。By introducing the switched inductance-capacitance unit into the staggered parallel Boost converter,a high-gain switched inductance-capacitance combined Boost topology staggered parallel DC-DC converter was proposed.At the same time,four inductances in the converter were magnetically integrated,the working modes of the converter were analyzed,the performance of the converter was analyzed,the voltage gain of the converter and the voltage of the switch were derived.The equivalent steady-state inductance and equivalent transient inductance after inductance integration were analyzed concretely,the design criteria of coupled inductance based on steadystate current ripple and dynamic response of inductance current of converter were given.Finally,the correctness of theoretical analysis was proved by experimental verification.

关 键 词：高增益 交错并联 磁集成 电压应力 开关电感 

分 类 号：TM501[电气工程—电器]