TY - RPRT TI - An Improved Sequential State Estimation Algorithm for VSC-MTDC Systems Using Virtual Connections AU - Huang, C AU - Duan, N AU - Li, F AU - Shi, Q AU - Feng, W AU - Dai, R AU - Liu, G PY - 2020 UR - https://www.osti.gov/biblio/1824762 ID - 1824762 ER -