Fuel cells as a backup energy source for high availability network servers

摘要

This thesis proposes an uninterruptible power supply, UPS for high availabilityservers with fuel cells as its back up energy source. The system comprises a DC to DCconverter designed to accommodate the fuel cell? s wide output voltage range. A serverpower supply is specified, designed and simulated for use with this UPS. The UPSinterfaces internal to the server power supply, instead of providing standard AC power.This topology affords enhanced protection from faults and increases overall efficiency ofthe system by removing power conversions. The UPS is simulated with the designedpower supply to demonstrate its effectiveness.