Xing, Facai; Wang, Shijia; Zhang, Feng; Wang, Heng; Xu, Zheng; Xiao, Huanqing: 'Study on the resonance stability problem of the wind power base with the MMC–HVDC system', The Journal of Engineering, 2018, DOI: 10.1049/joe.2018.8480
IET Digital Library, https://digital-library.theiet.org/;jsessionid=6kd6pskjir7q0.x-iet-live-01content/journals/10.1049/joe.2018.8480