Title :
Power converters for fuel-cells based UPS to improve power quality
Author :
Di Perna, C. ; Varilone, P. ; Verde, P.
Author_Institution :
Dept. of Ind. Eng., Cassino Univ.
Abstract :
The paper deals with the power converter to be used in realising small scale UPS based on fuel cell. Different structures of standard UPS are analysed and modified to consider the presence of fuel cell as DC current energy source. The control of the DC/AC converter interfacing the fuel cell based UPS with the AC grid is based on feed-forward action able to minimize the time delay in reconstructing the AC voltage at the load bus whichever UPS structure is used. The realised 1.2 kW prototype is also shown demonstrating the actual possibility of realizing the proposed system using commercial converters
Keywords :
DC-AC power convertors; delays; feedforward; fuel cells; power supply quality; uninterruptible power supplies; AC grid; DC current energy source; DC/AC converter control; UPS; feed-forward action; fuel-cells; power converters; power quality; time delay; Buck converters; Control systems; Fuel cells; Low voltage; Pollution; Power quality; Prototypes; Static power converters; Uninterruptible power systems; Voltage control;
Conference_Titel :
Power Electronics, Electrical Drives, Automation and Motion, 2006. SPEEDAM 2006. International Symposium on
Conference_Location :
Taormina
Print_ISBN :
1-4244-0193-3
DOI :
10.1109/SPEEDAM.2006.1649883
