6.6 kW双向AC/DC T型三电平变换器研究  

Research on 6.6 kW Bi-direction AC/DC T-type Three-level Converter

作　　者：寿以宁 戈瑞 石铷阳 茹超超 王正仕[1] SHOU Yining;GE Rui;SHI Ruyang;RU Chaochao;WANG Zhengshi(College of Electrical Engineering,Zhejiang University,Hangzhou 310027,China)

机构地区：[1]浙江大学电气工程学院,浙江杭州310027

出　　处：《电工技术》2022年第15期79-82,共4页Electric Engineering

摘　　要：针对动力电池充电第一级AC/DC电路,采用了T型三电平结构实现双向能量传输,其中正向使用数字单周期控制以简化控制算法。分析了电路工作原理与双向控制方式,推导了正向系统传递函数,并进行仿真,最后搭建6.6 kW试验平台,结果验证了电路结构与控制方式的可行性。For the first-stage AC/DC circuit of power battery charging,a T-type three-level structure is proposed to realize two-way energy transmission.Digital one-cycle control is used in the forward direction to simplify the control algorithm.The working principle and control method of the circuit are analyzed.The transfer function of the forward circuit is deduced and the simulation is carried out.Finally,a 6.6 kW test platform is built and the results verified the feasibility of the circuit structure and control method.

关 键 词：双向AC/DC T型三电平 数字单周期控制 传递函数 

分 类 号：TM46[电气工程—电器]