功率变换器中直流支撑电容器的选择和应用  

Selection and Application of DC Support Capacitor in Power Converter

作　　者：唐海燕[1] 唐洲[1] 

机构地区：[1]株洲南车时代电气股份有限公司,湖南株洲412001

出　　处：《大功率变流技术》2011年第6期27-30,共4页HIGH POWER CONVERTER TECHNOLOGY

摘　　要：介绍了功率变换器中电解电容器和金属化薄膜电容器在各种电路拓扑应用下的优缺点,对功率变换器中电容器的应用注意事项作了详尽说明,同时描述了在各种电路拓扑应用下电容器的具体设计参数。从具体计算参数可得知,金属化薄膜电容器将是更好的选择,在以后的功率变换器,尤其是直流高压输入产品中可以得到广泛应用。It introduces the advantages and disadvantages of electrolytic capacitor and metalized film capacitor in various circuit topologies of power converters, describes application notices of the capacitor in detail and presents the specific design parameters in a variety of circuit topologies. Calculated parameters show that metalized film capacitor is the better choice and can be used widely in power converters especially high-voltage DC input products.

关 键 词：电解电容器 金属化薄膜电容器 功率变换器 纹波电流 过电压 容量 

分 类 号：TM531.5[电气工程—电器] TM46