What is renewable energy? What are the purposes for which we use renewable energy sources? What is MPPT? What is PCC? What are the advantages of the grid-connected PV system? What advantages does the...

What is renewable energy? What are the purposes for which we use renewable energy sources? What is MPPT? What is PCC? What are the advantages of the grid-connected PV system? What advantages does the variable blade pitch wind turbine have? The system and the corresponding data are the same as above. Use the gradient method to solve the OPF.