TY - RPRT TI - A Unified Design Theory for Multi-Port Polyphase Transformers Enabling Scalable Power-Multiplexed EV Fleet Charging Systems AU - Asa, Erdem [ORNL] (ORCID:0000000190884812) AU - Sujan, Vivek [ORNL] (ORCID:0000000269882342) AU - Onar, Omer [ORNL] (ORCID:0000000292028857) PY - 2026 DO - 10.1109/iteceats66641.2026.11592998 UR - https://www.osti.gov/biblio/3395404 ID - 3395404 ER -