Control strategy for grid-connected DC-AC converters with load power factor correction

作     者：Barbosa, PG Rolim, LGB Watanabe, EH Hanitsch, R 

作者机构：Univ Fed Rio de Janeiro COPPE Dept Elect Engn BR-21945970 Rio De Janeiro Brazil Univ Fed Rio de Janeiro Dept Electrotech Sch Engn BR-21945970 Rio De Janeiro Brazil Tech Univ Berlin Inst Elekt Maschinen D-10587 Berlin Germany 

出 版 物：《IEE PROCEEDINGS-GENERATION TRANSMISSION AND DISTRIBUTION》 (IEE Proc Gener Transm Distrib)

年 卷 期：1998年第145卷第5期

页      面：487-491页

核心收录：

学科分类：0808[工学-电气工程] 080802[工学-电力系统及其自动化] 08[工学] 

主　　题：grid-connected converters control algorithms modelling load power factor correction 

摘      要：The paper presents the modelling, analysis and design of a pulse width modulation voltage source inverter (PWM-VSI) to be connected between a DC source, which is supplied from a photovoltaic (PV) array and the AC grid. The control algorithm of the PWM-VSI applies the concepts of the instantaneous p-q (real-imaginary) power theory. The objective is to show that, with an adequate control, the converter can transfer the DC energy from PV array and improve the power factor (the power quality) of the electrical system. Some design considerations are also discussed. A digital simulation and measurements on a small prototype model verified the feasibility of the proposed control method.