In this paper, two wind power farms are proposed to produce the active power using two variable profiles of the wind and to be closer to real conditions. Indeed, in order to ensure the proper functioning of the electrical power system, two FACTS devices are installed in series between buses 1 and 3, separately. The effects of disturbances, in the form of variable profiles of the wind, affecting the voltages and frequencies in the IEEE 14-bus system are studied. After simulation, good results are obtained in terms of the overall stability of the electrical energy system despite the use of two variable profiles of the wind. The found results prove, both, the voltage errors in each bus, and, the losses in each line by installing of the FACTS. In addition, the harmonics created by the wind disturbances are limited.