Chakravorty, J., and J. Saraswat. “Improving Power Flow Capacity of Transmission Lines Using DPFC With a PEM Fuel Cell”. Engineering, Technology & Applied Science Research 9, no. 6 (December 1, 2019): 4883–4885. Accessed October 25, 2021. https://etasr.com/index.php/ETASR/article/view/3155.