Sliding Mode Control Scheme of a Cascaded H-Bridge Multilevel Active Front End Rectifier

被引：1
|
作者：
Jean-Pierre, Garry [1 ]
Altin, Necmi [2 ]
Nasiri, Adel [1 ]
机构：
[1] Univ Wisconsin Milwaukee UWM, Ctr Sustainable Elect Energy Syst, Milwaukee, WI 53211 USA
[2] Gazi Univ, Fac Technol, Dept Elect & Elect Engn, Ankara, Turkey
来源：
2021 IEEE 12TH INTERNATIONAL SYMPOSIUM ON POWER ELECTRONICS FOR DISTRIBUTED GENERATION SYSTEMS (PEDG) | 2021年
基金：
美国国家科学基金会;
关键词：
cascaded H-bridge; sliding mode controller; active front end; resonance damping; PREDICTIVE CONTROL; 3-PHASE; STRATEGY; DESIGN; REGION; FILTER; VSI;
D O I：
10.1109/PEDG51384.2021.9494173
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this study, a sliding mode control (SMC) scheme is proposed for the single-phase cascaded H-bridge (CHB) multilevel active front end (AFE) rectifier with LCL filter. A PI controller is employed to control the DC voltage of the rectifier modules and to obtain the amplitude for the reference grid current. The SMC based current control scheme uses the grid current and filter capacitor voltage feedbacks. The resonance of the LCL filter is damped using the voltage feedback of the capacitor. Therefore, the requirement for additional damping circuitry is removed. Simulation and experimental results are presented to verify the performance of the SMC for the CHB multilevel AFE rectifier. The overall proposed control scheme provides almost unity power factor and fast transient response. It is seen from the results that the current drawn from the grid is in sinusoidal waveform with low THD.
引用
收藏
页数：6
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