PV Emulator based on DC-DC buck converter and PI Controller Yassine El Asri, Hassan El Fadil, Abdellah Lassioui, Anwar Hasni, Marouane El Ancary, Issam Bentalhik and Mohamed Koundi EPJ Web Conf., 330 (2025) 01002 Published online: 30 June 2025 DOI: 10.1051/epjconf/202533001002