Control Strategies and Interactions of UHVAC and UHVDC Transmission Systems in North China-Central China-East China Power Grid
QI Yi-tao, PENG Hui-min, YANG Ying, ZHOU Hai-feng, PAN Xue-ping
Electric Power . 2014, (7): 51 -56 .  DOI: 10.11930/j.issn.1004-9649.2014.7.51.5