A New Dynamic Voltage Restorer with Multi-level Open-end Winding Topology

In this paper, a variety of main circuit structures of DVR based on open-end winding are presented. Two inverters are connected in series to realize the multi-level structure and simplify the hardware cost. According to the mathematical model of open-end DVR, a three loop control strategy based on l...

Full description

Saved in:
Bibliographic Details
Published inE3S web of conferences Vol. 165; p. 6013
Main Authors Yin, Jingyuan, Li, Jinke, Huo, Qunhai, Wu, Lixin, Han, Libo, Zhang, Tongshuo
Format Journal Article
LanguageEnglish
Published EDP Sciences 01.01.2020
Online AccessGet full text

Cover

More Information
Summary:In this paper, a variety of main circuit structures of DVR based on open-end winding are presented. Two inverters are connected in series to realize the multi-level structure and simplify the hardware cost. According to the mathematical model of open-end DVR, a three loop control strategy based on load voltage feedback is implemented to suppress the resonance of LCL filter. Aiming at the common mode voltage problem of open-end winding DVR, a common mode voltage suppression strategy based SVPWM is proposed to completely suppress the common mode voltage of high frequency and low frequency of the system. Finally, an open-end DVR experimental platform is built to verify the effectiveness of the control strategy and modulation strategy.
ISSN:2267-1242
2267-1242
DOI:10.1051/e3sconf/202016506013