Single Phase Single Stage Switched-Boost Inverter with Four Switches

The DC source voltage is greater than the peak ac output voltage in voltage source inverters (VSIs), which are buck dc-ac power converters. When two power switches in a leg are turned ON at the same time, a dc voltage source is shorted out. To obtain a high ac output voltage when a low input voltage is employed, a second boost dc-dc converter is installed in front of the inverter bridge. The end result is a second, high-priced, low-efficiency power converter with two stages of dcdc- ac power conversion. Here, a brand-new, four-switch single-phase, single-stage switched-boost inverter is suggested. Its primary characteristics include shoot-through immunity, constant input current, and buck/boost