Abstract Uninterruptible Power Supplies (UPS) have reached a mature level by providing
clean and uninterruptible power to the sensitive loads in all grid conditions. Generally UPS …

This article introduces a new transformerless ac–dc–ac converter topology suitable for a
high-power-density high-frequency single-phase online uninterruptible power supply (UPS) …

This paper analyzed the development trend of uninterruptible power supply (UPS) and
presented a multi-functional modular intelligent UPS system for smart grid, which is …

A novel three-phase PWM rectifier-inverter topology (Fig. 2) for UPS applications is
proposed in this paper. The topology uses only nine IGBT devices for AC/AC conversion …

A novel topology of a modular per-phase uninterruptible power supply (UPS) system based
on reduced-switch-count configuration is proposed in this paper. The proposed power …

The boost inverter is a device that is able to generate a sinusoidal voltage with an amplitude
larger than the input voltage. Based on the idea of indirectly controlling the output voltage …

This paper proposes an isolated double-conversion uninterruptible power system with
power factor correction using a high-frequency transformer and with input voltages equal to …

A transformerless three-phase on-line uninterruptible power supply (UPS) is proposed. The
proposed UPS is composed of a rectifier, an inverter and a battery charger/discharger. The …

This paper presents the applications of single-phase matrix converter (SPMC) as an AC-DC
controlled rectifier. For basic operation the multiple-PWM technique was used to calculate …

The boost inverter is a latterly proposed device that is used in applications like
uninterruptible power supplies (UPS) and photovoltaic systems. Its main feature is the ability …