A grid-connected PV interface system based on the DAB-converter
Mostafa Ibrahim Mohamed Marei; El-Helw, Hadi; Al-Hasheem, Mohamed;
Abstract
This paper presents an interface system for the grid-connected Photovoltaic (PV) arrays. The proposed interface system is based on the Dual Active Bridge (DAB) converter which is connected to the DC-link of the grid-connected inverter. The Perturb and Observe (P&O) scheme is utilized to obtain the terminal voltage of the PV array that results in Maximum Power Point Tracking (MPPT). The PV terminal voltage is regulated using a PI controller that adjusts the phase shift angle of the DAB converter. Moreover, the inverter is controlled to regulate the DC-link voltage which results in delivery of the harvested maximum power to the grid. The proposed PV interface system is modeled and simulated using the EMTDC/PSCAD software package. The simulation results reveal accurate and fast response of the proposed system.
Other data
Title | A grid-connected PV interface system based on the DAB-converter | Authors | Mostafa Ibrahim Mohamed Marei ; El-Helw, Hadi; Al-Hasheem, Mohamed | Keywords | dual active bridges converter;grid connected;maximum power point tracking;Photovoltaic system | Issue Date | 10-Jun-2015 | Conference | 2015 IEEE 15th International Conference on Environment and Electrical Engineering, EEEIC 2015 - Conference Proceedings | ISBN | 9781479979936 | DOI | 10.1109/EEEIC.2015.7165534 | Scopus ID | 2-s2.0-84943144875 |
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