Zero-current switching for the alternate arm converter through on-load tap changers

• Main Authors: Wickramasinghe, Harith R., Konstantinou, Georgios, Pou, Josep
• Other Authors: School of Electrical and Electronic Engineering
• Format: Conference or Workshop Item
• Language: English
• Published: 2020
• Subjects: Engineering::Electrical and electronic engineering; Alternate Arm Converter (AAC); Zero-current Switching
• Online Access: https://hdl.handle.net/10356/144596
• Institution: Nanyang Technological University

The combined operation of the two arms of an alternate arm converter (AAC) phase-leg is essential for SM capacitor energy balancing but is limited to a small overlap period. The director switches (DSs) operate alternatively and the overlapping operation of the DSs provides the overlap period. The al...