A Novel High Step-up Three-Port Bidirectional DC/DC Converter for PV-Battery Integrated System

In this paper, a new high step-up non-isolated three- port DC-DC converter (HS-NITPC) is proposed. The converter is designed to integrate a solar panel with battery storage in order to boost its voltage, reduce the effect of solar energy intermittency and enhance solar power performance under unpred...

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Bibliographic Details
Main Authors: Al-Soeidat, Mohammad, Khawaldeh, Habes, Lu, Dylan D.-C., Zhu, Jianguo
Format: Conference Proceeding
Language:English
Subjects:
Batteries
DC-DC power converters
Energy storage (ES)
intermittency
maximum power point tracking (MPPT)
non-isolated converter
photovoltaic
Ports (computers)
Power system measurements
Prototypes
renewable energy
Solar energy
Solar system
three-port converter (TPC)
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Summary:In this paper, a new high step-up non-isolated three- port DC-DC converter (HS-NITPC) is proposed. The converter is designed to integrate a solar panel with battery storage in order to boost its voltage, reduce the effect of solar energy intermittency and enhance solar power performance under unpredictable load demand. The converter combines three converters to form one integrated converter by sharing some components. Thus, the converter has high power density and fewer components compared to the traditional DC-DC converters. The coupled inductor is used to achieve a high output regulated voltage, transfer energy among the ports and facilitate maximum power point tracking for the solar panel. A hardware prototype was built and tested to verify the proposed circuit for 180 W input power. The proposed converter is suitable for stand-alone or grid- connected solar system. Moreover, it could be used in the electric vehicle where the regenerative braking is used.
ISSN:2470-6647
DOI:10.1109/APEC39645.2020.9124295