Fuel cells as a backup energy source for high availability network servers
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This thesis proposes an uninterruptible power supply, UPS for high availability servers with fuel cells as its back up energy source. The system comprises a DC to DC converter designed to accommodate the fuel cellâ s wide output voltage range. A server power supply is specified, designed and simulated for use with this UPS. The UPS interfaces internal to the server power supply, instead of providing standard AC power. This topology affords enhanced protection from faults and increases overall efficiency of the system by removing power conversions. The UPS is simulated with the designed power supply to demonstrate its effectiveness.
Humphrey, Daniel Alan (2008). Fuel cells as a backup energy source for high availability network servers. Master's thesis, Texas A&M University. Texas A&M University. Available electronically from