H-Bridge modular multilevel converter for high-voltage applications

This paper explores the steady-state and transient performance of the H-bridge modular multilevel converter in high-voltage dc transmission systems. Therefore the converter is simulated as one station of a voltage source converter HVDC transmission system. Steady-state performance investigation focuses on the converters ability to manipulate its active and reactive output power so as to control the ac voltage at the point of common coupling. To examine the H-bridge M2C resilience to large disturbances, the converter station is subjected to ac and dc side faults.