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高压电器  2015 

串联谐振式高压电容器充电电源的效率特性研究

, PP. 78-83

Keywords: 强激光能源系统,电容器充电电源(CCPS),串联谐振,功率因数,功率损耗

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Abstract:

高压脉冲电容器充电电源是强激光能源系统的重要组成部分,而串联谐振式高压电容器充电电源是其中的一种典型拓扑结构。充电效率是反映电容器充电电源工作特性的一个重要指标。提高充电电源的效率既是高效用电的要求,也是保证充电速度、设备安全和电磁兼容性的需要。变流环节损耗、谐振环节损耗、升压环节损耗、谐波畸变功率损耗和“T”形回路损耗等是其主要的损耗来源。因此,采用软开关技术、提高功率因数、减小谐波畸变、合理设计变压器和“T”形回路等是提高效率的主要措施。分析和试验表明,采用有关措施后,效率显著提高,整机效率达87%,同时,也促进了其他运行特性的改善。

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