A Novel DC Transformer (DCX) for Single-Phase Battery Energy Storage System and Current Ripple Suppression Strategy

被引：1

作者：

Peng, Zhongyuan ^{[1
]}

Wang, Yong ^{[1
]}

Fei, Xixin ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Dept Elect Engn, Shanghai, Peoples R China

来源：

2021 IEEE 12TH ENERGY CONVERSION CONGRESS AND EXPOSITION - ASIA (ECCE ASIA) | 2021年

关键词：

DCX; LLC resonant converter; second harmonic current (SHC); battery energy storage system (BESS); 2ND-HARMONIC CURRENT REDUCTION; LLC RESONANT CONVERTER; 2-STAGE INVERTER;

D O I：

10.1109/ECCE-Asia49820.2021.9479016

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A high performance bidirectional dc transformer (DCX) is proposed in this paper for connecting energy storage battery and grid-connected inverter. The proposed DCX can not only realize charging and discharging of energy storage battery, but also effectively suppress the high-frequency and low-frequency current ripple in the battery-end. Besides, the LLC resonant tank in the MA ensures that son-switching can be achieved for power devices-zero-voltage-switching (ZVS) for power switches and zero-current-switching (ZCS) for rectifier diodes. The proposed DCX shows high performance In efficiency and electromagnetic interference (EMI). The effectiveness of the proposed converter and current ripple suppression strategy are verified by experimental results.

引用

页码：1045 / 1050

页数：6