novel interleaved converter with extra-high voltage gain to process low-voltage renewable-energy generation

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ID: 201861
2016
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Abstract
This paper presents a novel interleaved converter (NIC) with extra-high voltage gain to process the power of low-voltage renewable-energy generators such as photovoltaic (PV) panel, wind turbine, and fuel cells. The NIC can boost a low input voltage to a much higher voltage level to inject renewable energy to DC bus for grid applications. Since the NIC has two circuit branches in parallel at frond end to share input current, it is suitable for high power applications. In addition, the NIC is controlled in an interleaving pattern, which has the advantages that the NIC has lower input current ripple, and the frequency of the ripple is twice the switching frequency. Two coupled inductors and two switched capacitors are incorporated to achieve a much higher voltage gain than conventional high step-up converters. The proposed NIC has intrinsic features such as leakage energy totally recycling and low voltage stress on power semiconductor. Thorough theoretical analysis and key parameter design are presented in this paper. A prototype is built for practical measurements to validate the proposed NIC.
Reference Key
shen2016energiesnovel Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Chih-Lung Shen;Po-Chieh Chiu;Yan-Chi Lee
Journal acs combinatorial science
Year 2016
DOI
10.3390/en9110871
URL
http://www.mdpi.com/1996-1073/9/11/871
Keywords
fuel cells low voltage stresstechnology

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