publication . Conference object . Contribution for newspaper or weekly magazine . 2016

High efficiency non-isolated three port DC-DC converter for PV-battery systems

Kevin Tomas-Manez; Alexander Anthon; Zhe Zhang; Ziwei Ouyang; Toke Franke;
Open Access
  • Published: 01 Jan 2016
  • Publisher: IEEE
  • Country: Denmark
Abstract
This paper presents a nonisolated Three Port Converter (TPC) with a unidirectional port for photovoltaic (PV) panels and a bidirectional port for energy storage. With the proposed topology single power conversion is performed between each port, so high efficiencies are obtained. A theoretical analysis is carried out to analyze all operating modes and design considerations with the main equations are given. A 4kW laboratory prototype is developed and tested under all operating<br/>conditions. Results obtained feature on efficiencies higher than 97% for all operating modes and all power levels from light load to full load.
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free text keywords: Multiport converter, Boost, Buck, Interleaved converter, Photovoltaic system, Electrical engineering, business.industry, business, Battery (electricity), Boost converter, Buck converter, Engineering, Energy storage, Dc dc converter, Forward converter, Ćuk converter
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