Dhyani, Ashish, Abhishek Kumar, Rishabh Lamba, Rohit Kumar Rajora, and Vishal Chaudhary. “Variable Speed Pumped Storage Hydropower Generation”. Journal of Advance Research in Mechanical and Civil Engineering (ISSN: 2208-2379) 1, no. 1 (January 31, 2014): 12–15. Accessed July 22, 2024. https://nnpub.org/index.php/MCE/article/view/379.