TY - RPRT TI - Characterizing HVDC Transmission Flexibility under Extreme Operating Conditions AU - Nguyen, Quan H. AU - Etingov, Pavel V. AU - Elizondo, Marcelo A. PY - 2023 DO - 10.1109/isgt51731.2023.10066347 UR - https://www.osti.gov/biblio/1970507 ID - 1970507 ER -