Li, Congshan, Jiahao Gao, Ping He, Yuqi Ji, and Hang Wei. “Development of a Primary Frequency Regulation Capability Evaluation Index for Wind-Solar-Storage Systems Based on the Entropy Weight Method”. Archives of Electrical Engineering 75, no. 2 (June 10, 2026): 363–386. Accessed August 11, 2026. https://wydawnictwo.pan.pl/index.php/aee/article/view/1361.