کنفرانس مهندسی برق ایران

صفحه اصلی / سی و یکمین کنفرانس بین المللی مهندسی برق

Dual-Input Single-Output High Step-Up DC-DC Converter for Renewable Energy Applications

نویسندگان :

Farid Mohammadi¹ Amir Khorsandi²

1- Amirkabir University of Technology 2- Amirkabir University of Technology

کلمات کلیدی :

dual-input single-output (DISO) non-isolated DC-DC converter،switched-capacitors technique،high voltage transfer gain،voltage stress

چکیده :

This paper presents a dual-input single-output (DISO) non-isolated dc-dc converter capable of extending to several inputs in ports. In addition, bidirectional and unidirectional power flow is feasible. The proposed converter uses the switched-capacitors (SC) technique, resulting in high voltage transfer gain. Although using the SC technique causes the discontinuous input current, this issue has been addressed by embedding an inductor at the input side. The DISO high voltage gain converter provides flexible control options, decreases current and voltage stress on semiconductors, and there is no duty cycle limitation due to the proposed switching methods. In addition, when one input fails, the proposed converter can transfer energy to the load by the other source without interruption. To evaluate the performance of the proposed DISO converter, the converter is compared with the recently presented converters based on the important characteristics. The required tests are also conducted to verify the feasibility and performance of the converter by MATALB/Simulink.

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