supported in part by the CAS Project for Young Scientists in Basic Research under Grant No. YSBR-045;the Youth Innovation Promotion Association CAS under Grant 2022137;the Institute of Electrical Engineering CAS under Grant E155320101。
Cascaded H-bridge inverter(CHBI) with supercapacitors(SCs) and dc-dc stage shows significant promise for medium to high voltage energy storage applications. This paper investigates the voltage balance of capacitors wi...