Using Solar Photovoltaic Systems, Battery Energy Storage Systems, and Underfrequency Load-Shedding to Improve the Frequency Stability of Power Systems Suhib Fekry Hamid; Ahmed Nasser B. Alsammak; Khalid Tourkey Atta Volume 28, Issue 1, March 2023, Page 165-172 10.33899/rengj.2022.136061.1201 Show Article PDF 1.19 M