An isolated boost-three level bi-directional DC-DC converter with phase shift PWM. | [Sindh University Research Journal • 2015]

Author(s):

1. A. M. Soomro: Department of Electrical Engineering, Mehran University of Engineering & Technology, Jamshoro, Pakistan

2. A. A. Syed: Department of Biomedical Engineering, Mehran University of Engineering & Technology, Jamshoro, Sindh, Pakistan

3. A. N. Khizer: Department of Electronics Engineering, Mehran University of Engineering & Technology, Jamshoro, Sindh, Pakistan

4. S. F. Khahro: Energy Department, Govt. of Sindh, Pakistan

5. K. Tabbassum: Information Technology Center (ITC) Sindh Agriculture University Tandojam, Sindh, Pakistan

Abstract:

A novel bi-directional DC-DC converter applicable to micro-grid is proposed in this paper, which combines traditional boosttype converter and three-level converter. Excellent power transmission ability (including voltage step-up and step down) can be obtained by deploying phase-shift control strategy. The proposed converter with three-level topology is also capable to lower the voltage stress of the second stage switches to 50%. Operation modes have been analyzed in detailin the paper. A 3-kW laboratory prototype was designed and tested for performance evaluation. Experimental results indicate the effectiveness and stability of the system.

Page(s): 195-198

DOI: DOI not available

Published: Journal: Sindh University Research Journal, Volume: 47, Issue: 2, Year: 2015

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