Incidence on Power System Dynamics of High Penetration of Fixed Speed and Doubly Fed Wind Energy Systems: Study of the Spanish CaseJuan, M. Rodriguez, Jose, L. Fernandez, +4 authors José Román WilhelmiIEEE Power Engineering Review2002A preliminary analysis of the impact of high wind power penetration in the planning and operation of the Spanish power system is presented. The problems studied are those related to the stability of… (More)