Frequency Regulation Challenge of Power Electronics Dominated Power Systems and Its New Multi-level Coordinated Control Framework
LU Zongxiang, YE Yida, GUO Li, XIE Zhenjian, LIU Guojing, QIAO Ying
Electric Power . 2019, (4): 8 -17,110 .  DOI: 10.11930/j.issn.1004-9649.201903121