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Power electronics is the key technology for enabling renewable power generation and dispatching distributed generation (DG) with improved load-side efficiency. This paper presents a multi-directional power converter with a high-frequency isolation transformer for a stand-alone hybrid renewable energy DG system with battery storage. Full-bridge power converters are employed to realize bi-directional power flow among renewable generator, battery storage and load. Detailed analysis is provided for a four-directional power converter in a wind-photovoltaic distributed generation system. In addition, a two loop PI control scheme is proposed to achieve constant output voltage and exact power flow management. Theoretical analyses are verified by simulations in PSPICE and MATLAB
Published in:
Power Electronics and Motion Control Conference, 2006. IPEMC 2006. CES/IEEE 5th International
(Volume:3
)
Date of Conference: 14-16 Aug. 2006
- Page(s):
- 1 - 5
- Print ISBN:
- 1-4244-0448-7
- INSPEC Accession Number:
- 9253072
- Conference Location :
- Shanghai
- Digital Object Identifier :
- 10.1109/IPEMC.2006.4778337
- Product Type:
- Conference Publications
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