Electrical Engineering  2022, Vol. 23 Issue (5): 25-33    DOI:
Research & Development Current Issue| Next Issue| Archive| Adv Search |
Research on bidirectional AC-DC converter feedforward decoupling control strategy of hybrid AC/DC microgrid
YAO Weibo, XU Ye, HUANG Kefeng, ZHOU Meiquan, CUI Haoran
College of Defense Engineering, PLA Army Engineering University, Nanjing 210007

Download: PDF (1300 KB)   HTML (1 KB) 
Export: BibTeX | EndNote (RIS)      
Abstract  As an important component of the AC/DC hybrid microgrid, the bidirectional AC-DC converter can realize the bidirectional flow of energy, meet the demand for electric energy from load fluctuations in the hybrid microgrid, and balance the AC/DC bus voltage. However, the control system of the bidirectional AC-DC converter is time-varying; the nonlinearity and coupling are strong; the control is complicated; it is necessary to solve the coupling problem between the control variables. This article focuses on this problem. First, the structure of the hybrid microgrid system is introduced and the mathematical model of the bidirectional AC-DC converter is establlished. Then, for the bidirectional AC-DC converter, the AC side voltage feedforward decoupling scheme is adopted. The controller is designed and the stability of the proportional integral (PI) control strategy is analyzed. Finally, a system simulation model is established based on Matlab/Simulink to verify the feasibility of the proposed control strategy. The simulation results show that the bidirectional AC-DC converter under the feedforward decoupling control strategy has fast dynamic response and good anti-load disturbance performance.
Key wordsAC/DC hybrid microgrid      bidirectional AC-DC converter      double loop proportional integral (PI) control      modeling and simulation     
Received: 11 November 2021     
Service
E-mail this article
Add to my bookshelf
Add to citation manager
E-mail Alert
RSS
Articles by authors
YAO Weibo
XU Ye
HUANG Kefeng
ZHOU Meiquan
CUI Haoran
Cite this article:   
YAO Weibo,XU Ye,HUANG Kefeng等. Research on bidirectional AC-DC converter feedforward decoupling control strategy of hybrid AC/DC microgrid[J]. Electrical Engineering, 2022, 23(5): 25-33.
URL:  
https://dqjs.cesmedia.cn/EN/Y2022/V23/I5/25
Copyright © Electrical Engineering
Supported by: Beijing Magtech