Designing a control unit for a solar-hydrogen system for remote area power supply

DOU, X, Andrews, J and Simic, M 2010, 'Designing a control unit for a solar-hydrogen system for remote area power supply', in Proceedings of the 48th AuSES Annual Conference (Solar2010), Canberra, Australia, 1 - 3 December 2010, pp. 1-12.


Document type: Conference Paper
Collection: Conference Papers

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Title Designing a control unit for a solar-hydrogen system for remote area power supply
Author(s) DOU, X
Andrews, J
Simic, M
Year 2010
Conference name Solar2010
Conference location Canberra, Australia
Conference dates 1 - 3 December 2010
Proceedings title Proceedings of the 48th AuSES Annual Conference (Solar2010)
Publisher Australian Solar Energy Society
Place of publication Canberra, Australia
Start page 1
End page 12
Total pages 12
Abstract Solar-hydrogen systems for remote area power supply (RAPS) are a promising zeroemission alternative to existing diesel and battery-based systems. Considerable research and development work has been done on the main components of such systems - solar photovoltaic arrays, electrolysers, hydrogen storages and fuel cells - but relatively little work on an overall system control unit that optimises unattended operation. The present paper therefore focuses on the design of such a control unit for a solar-hydrogen RAPS system employing a PEM electrolyser, compressed gas or metal-hydride hydrogen storage, a PEM fuel cell and inverter. The proposed system configuration includes a load splitter so that only surplus PV power over the instantaneous load is fed to the electrolyser to generate hydrogen for storage, as well as, to achieve matching the power requirement of the load. Control functions such as load splitting, power matching, switching between hydrogen production by the electrolyser and storage, water and temperature management, safety monitoring and system responses in the event of detected hydrogen leaks are identified and defined
Subjects Energy Generation, Conversion and Storage Engineering
Keyword(s) Control system
solar-hydrogen system
load splitter
RAPS
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