A Novel High Step-up Three-Port Bidirectional DC/DC Converter for PV-Battery Integrated System
- Publisher:
- IEEE
- Publication Type:
- Conference Proceeding
- Citation:
- 2020 IEEE Applied Power Electronics Conference and Exposition (APEC), 2020, 2020-March, pp. 3352-3357
- Issue Date:
- 2020-06-25
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Filename | Description | Size | |||
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A Novel High Step-up Three-Port Bidirectional DC DC Converter for PV-Battery Integrated System.pdf | Published version | 1.68 MB |
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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.
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