SM-PSHP vs DFIM-PSHP for stability improvement of wind integrated power systems

The concept of stability has become more and more recurrent in the modern power system, especially with the integration of renewable energy. As the latter are subjected to the intermittency in the generation and the presence of power electronics pose a risk on the power system stability. The loss of power system stability has severe consequences, including causing unstable generators to trip, disconnecting tie lines and transmission/distribution lines, and shutting down the whole system, resulting in significant losses to consumers and operations. Therefore, maintaining the stability is a necessity in power system. Thus, in this paper is presented a performance comparison between the Double Fed Induction Machine (DFIM) and the Synchronous Machine (SM) based Pumped Storage Hydropower Plant (PSHP) for stability improvement in a wind energy integrated power system subjected to transient disturbances. The comparison is performed over IEEE 39 bus system carried out in DIgSILENT environment.