Design of SMES System With Liquid Hydrogen for Emergency Purpose

The emergency power supply system, which is composed of a SMES system cooled by liquid hydrogen and a fuel cell (FC), is proposed as a backup for supplying electricity to hospitals, high-rise office buildings, and intelligent equipment. The capacity of the system is 2 MW for 10 hours. At a power fai...

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Veröffentlicht in:	IEEE transactions on applied superconductivity 2007-06, Vol.17 (2), p.2006-2009
Hauptverfasser:	Makida, Y., Hirabayashi, H., Shintomi, T., Nomura, S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Buildings Direct energy conversion and energy accumulation Electric power generation Electrical engineering. Electrical power engineering Electrical power engineering Electricity Electronic equipment and fabrication. Passive components, printed wiring boards, connectics Electronics Emergencies Emergency equipment Emergency power supplies Emergency power systems Energy Energy accumulation Energy. Thermal use of fuels Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc Exact sciences and technology Fuel cell Fuel cells high Tc superconductor Hospitals Hydrogen Intelligent structures Liquid hydrogen Modules Power electronics, power supplies Power failures Power generation Power supplies power supply Prototypes Samarium SMES {\rm MgB}_{2}
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Zusammenfassung:	The emergency power supply system, which is composed of a SMES system cooled by liquid hydrogen and a fuel cell (FC), is proposed as a backup for supplying electricity to hospitals, high-rise office buildings, and intelligent equipment. The capacity of the system is 2 MW for 10 hours. At a power failure, the SMES immediately functions to supply electric power at start-up for 60 seconds, and then after the FC generates electricity for 10 hours. Since the system is designed to be driven with liquid hydrogen and oxygen, it can be installed to any isolated spaces like spaceships, tunnels, and so on. The development scenario, that an 1-kW prototype, an 100-kW module as a basic unit and then a practical system will be developed step by step, is proposed. The system can be rather flexible for load requirements by adjusting the composition of the basic modules.
ISSN:	1051-8223 1558-2515
DOI:	10.1109/TASC.2007.898177