Conference paper
Integrated Three-Port DC-DC Converter for Photovoltaic (PV) Battery Stand-alone Systems
Several power sources such as PV solar arrays and battery are often used to manage the power flow for a photovoltaic (PV) based stand-alone power system due to the fluctuation nature of solar energy resource, and deliver a continuous power to the users in an appropriate form. Traditionally, three different single-input single-output (SISO) dc/dc converters would have been used.
To reduce the cost and improve the power density of the system, an integrated three-port isolated dc/dc converter is proposed in this paper. It can realize all functions of the energy delivery due to the fluctuation nature of solar energy. Moreover, a novel transformer configuration enables variable turns ratio controlled by the phase between the two current excitations subjected to the primary windings, allowing a wider input/output range. 1 kW experimental prototype has been built to demonstrate a wellmanaged power flow for PV and battery stand-alone system.
Language: | English |
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Year: | 2016 |
Proceedings: | PCIM Asia 2016 |
Types: | Conference paper |
ORCIDs: | Ouyang, Ziwei and Andersen, Michael A. E. |