A novel parameter for the evaluation of protective circuits for IGBT explosion protection in submodules of MMC

• Published in: 2022 24th European Conference on Power Electronics and Applications (EPE'22 ECCE Europe) pp. 1 - 10
• Main Authors: Junghans, Christoph, Eckel, Hans-Guenter
• Format: Conference Proceeding
• Language: English
• Published: EPE Association 05.09.2022
• Subjects: Capacitors; Explosions; Faults; HVDC; IGBT; Insulated gate bipolar transistors; Modular Multilevel Converters (MMC); Multilevel converters; Short circuit; Surge protection; Switching frequency; Thyristors

Faults in high-power converters can cause sudden release of the energy stored in the charged intermediate circuit capacitor, destroying power semiconductors and causing secondary damage, such as the release of debris, the deformation of busbars and the emission of interference fields. This paper exa...