1. Xi Jinping delivered an important speech at the general debate of the seventy-fifth united nations general assembly, (2021-02-03) [ 2020 -09-22]. http://www.gov.cn/xinwen/2020-09/22/content_5546168.htm.
2. Declaration on wind energy in Beijing: develop 3 billion wind power, lead green development and implement “30.60” target;Wind Energy,2020
3. Uncertainty modeling of wind power frequency regulation potential considering distributed characteristics of forecast errors;Yan;Prot. Control Mod. Power Syst.,2021
4. G. Koeppel, M. Korpås, Increasing the network in-feed accuracy of wind turbines with energy storage devices, The Sixth World Energy System Conference, Torino, Italy, 2006.
5. Optimal operation of a pumped-storage hydro plant that compensates the imbalances of a wind power producer;Duque;Electr. Power Syst. Res.,2011