Sadat, S., and J. kumar. “LOW VOLTAGE RIDE THROUGH CAPABILITY ENHANCEMENT OF PV POWER PLANT BASED ON BATTERY ENERGY STORAGE SYSTEM”. International Journal of Technical Innovation in Modern Engineering & Science, vol. 5, no. 4, Nov. 2021, pp. 362-6, https://ijtimes.com/index.php/ijtimes/article/view/2759.