Abstract
Today, many countries are increasing the energy mix of renewable energy, especially wind power, into the power system. This paper study the impact of high wind power penetration on the stability of the power system. The small signal stability (SSS) analysis of the doubly fed induction generator (DFIG) type wind power penetration was done by observing the power system's eigenvalue. Furthermore, the analysis of frequency oscillation, damping ratio, and participation factor was also done. In this research, a simulation to find out how the DFIG location and penetration level affect the power system stability was done in the IEEE 9-Bus system, using DIgSILENT/Power Factory. The simulation is done by replacing one synchronous generator with DFIG so that an investigation can be carried out to determine the effects of wind generator penetration. The result shows that wind power penetration has a negative impact on the power system's stability. It can be seen from the eigenvalue that goes to instability, the occurrence of local and inter-area oscillation, and the decrease in damping ratio of the system.
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