Yu, Juan; Lin, Wei; Kamel, Salah; Li, Wenyuan; Zhang, Lin: 'Equivalent model considering frequency characteristics and renewable uncertainties for probabilistic power flow', IET Generation, Transmission & Distribution, 2018, 12, (22), p. 5939-5948, DOI: 10.1049/iet-gtd.2018.5730
IET Digital Library, https://digital-library.theiet.org/;jsessionid=1ga466r97twes.x-iet-live-01content/journals/10.1049/iet-gtd.2018.5730