Power Production Losses Study by Frequency Regulation in Weak-Grid-Connected Utility-Scale Photovoltaic Plants

Jesús Muñoz-Cruzado-Alba 1,*, Christian A. Rojas 2,†, Samir Kouro 2,† and Eduardo Galván Díez 3,† 1 Research & Development Department, GPTech, 26 Av. de Camas, Bollullos de la Mitacion 41110, Spain 2 Department of Electronic Engineering, Universidad Técnica Federico Santa María, 1680 Av. de España, Valparaiso 2390123, Chile; [email protected] (C.A.R.); [email protected] (S.K.) 3 Department of Electronic Engineering, University of Seville, S/N Av. de los Descubrimientos, Seville 41092, Spain; [email protected] * Correspondence: [email protected]; Tel.: +34-954-181-521 † These authors contributed equally to this work.