Benbouhenni, H. “Reducing Current and Torque Ripples in DVC Control of DFIG Operation at Constant Switching Frequency for Wind Generation Application”. Majlesi Journal of Energy Management, Vol. 8, no. 4, Dec. 2019, pp. 47-55, http://journals.iaumajlesi.ac.ir/em/index/index.php/em/article/view/402.