AGC of Hybrid Multiarea Power Systems using AC-AHVDC links

This article proposed a new secondary controller called (1 +IDF) for automatic generation control (AGC) of multiarea hybrid power systems (HPS) incorporating accurate HVDC (AHVDC) link having Phase-Lock-Loop (PLL) and supplementary power modulation controller (SPMC). The HPS consists of a reheat-thermal plant and realistic dish-Stirling solar thermal plant (RDSTS). The suggested controller gains are tuned by particle swarm optimization algorithm to obtain desired system dynamic responses. Simulation results exhibit the superiority of the proposed controller compared to PIDF in terms of settling time, and peak aberrations. The incorporation of RDSTS into every reheat-thermal area enhances system's performance. Investigation reveals that the performance of AGC degrades in presence of the AHVDC link compared to conventional HVDC and AC links. The accumulation of PLL and SPMC into parallel AC/AHVDC links improved the AGC performance.