电工技术学报2012，Vol.27Issue(8)：114-119,6.
三电平半桥电压平衡器
Three-Lvele Half Bridge Voltage Balancers
摘要
Abstract
DC micro-grid is a novel power system in dc distribution system,in which two-wire transmitting power mode is usually accepted.In order to balance input voltage of load sides＇ power converters,a voltage balancer is introduced.In this paper,a three-level half bridge voltage balancer is presented to lower voltage stress of power devices.The operation principles of the circuit are explained in detail.The control strategy of lead turning on and lag turning off for power switches is proposed which helps power switches realize three-level operations.At last,the experimental results of a laboratory prototype verify that the three-level half bridge voltage balancer can achieve three-level characteristic and output balance voltage.关键词
半桥变换器/三电平变换器/电压平衡器/三电平电压平衡器Key words
Half bridge converter/three-level converter/voltage balancer/three-level voltage balancer分类
信息技术与安全科学引用本文复制引用
张先进,龚春英..三电平半桥电压平衡器[J].电工技术学报,2012,27(8):114-119,6.基金项目
国家重点基础研究发展计划（973计划）资助项目 （）
