Abstract:A high-voltage step-up ratio inverter for applications using batteries as the input power source is proposed to supply the emergency power requirement from a battery pack when the grid is down. The proposed inverter is composed of an interleaved coupled-inductor boost converter and a three-leg full-bridge inverter. Four series-connected lead acid batteries are used as the input power source. When 110 and 220 V AC outputs are required by the load sides at the same time, the 48 V DC input from the batteries woul… Show more
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