Intelec 2007, Rome, Italy // 30 September – 4 October 2007 Fuel cell power system are currently under test by several different Telecommunication operators worldwide for backup applications. Compared to traditional systems (battery based ups, genset), the PEM fuel cell based power systems have both benefits (higher efficiency and better environmental impact) and drawbacks (higher… Continua a leggere Fuel Cell based Power System for Backup applications: Telecom Italia and other field test results