A flying capacitor multilevel converter system with a pre-charge unit and method to precharge capacitors in a multilevel converter system

• Main Authors: Shen, Jie, Soua, Samir, Schroeder, Stefan
• Format: Patent
• Language: English; French; German
• Published: 31.03.2021
• Subjects: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION

A power converter is presented. The power converter includes at least one leg (201) operatively coupled between a first bus (214) and a second bus (216) and includes a first string (202) including a plurality of non-controllable semiconductor switches (D 1 -D 8 ), a first node (224), a second node (...