... Uninterruptible Power Supply Based on Z-Source InverterZhi Jian Zhou, Xing Zhang, Po Xu, and Weixiang X. Shen, Member, IEEEAbstract—This paper presents a new topology of uninterrupt-ible power supply ... loops, shoot-through, uninterruptible power supply (UPS), Z-source inverter.I. INTRODUCTIONUNINTERRUPTIBLE power supplies (UPSs) are widelyused to supply critical loads, such as airline ... comput-ers and life-support systems in hospitals [1]–[5], providingprotection against power failure or anomalies of power- linevoltage [6]. In general, there are two types of traditional single-phase...