Modulation and Control of Single-Stage Bidirectional Isolated Direct-Matrix-based AC-DC Converters

被引：2
|
作者：
Dao, Ngoc Dat [1 ]
Lee, Dong-Choon [1 ]
机构：
[1] Yeungnam Univ, Dept Elect Engn, Gyongsan, South Korea
来源：
2019 10TH INTERNATIONAL CONFERENCE ON POWER ELECTRONICS AND ECCE ASIA (ICPE 2019 - ECCE ASIA) | 2019年
基金：
新加坡国家研究基金会;
关键词：
AC-DC Converter; bidirectional power flow; power factor correction; zero voltage switching; zero current switching; HIGH-EFFICIENCY; BATTERY CHARGER;
D O I：
10.23919/icpe2019-ecceasia42246.2019.8797356
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, a single-stage bidirectional isolated direct-matrix-based AC-DC converter with a power factor correction is proposed. This AC-DC converter can control not only the DC output voltage or current, but also the AC grid current with a single conversion stage, which helps to achieve a higher power density with a lower complexity. A modulation scheme that can achieve a zero voltage switching (ZVS) or zero current switching (ZCS) operation in all switches is developed. Hence, the switching frequency of the converter can be increased higher, leading to the smaller passive components. The proportional-resonant (PR) controller is utilized to achieve the unity power factor and low total harmonic distortion (THD) current. The proposed topology has been verified by simulation results for a 3.3 kW system.
引用
收藏
页数：6
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