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This paper presents a robust control scheme for a static synchronous compensator (STATCOM) coupled with a battery energy storage system (BESS) for improving the dynamic oscillations damping and the transmission power quality in electric power systems. The presented STATCOM/BESS controls both reactive and active power injection/absorption to/from the power system. It is investigated the performance...
The paper proposes two automatic voltage controllers for the South Korean power system. Simulation results from detailed Korean power-flow models show that the controllers can provide significant improvements in security, quality and efficiency of power system voltage monitoring and control. Operating within a time scale ranging from tens of seconds to a few minutes, the controllers can act upon voltage...
Future ancillary services provided by photovoltaic (PV) systems could facilitate their penetration in power systems. In addition, low-power PV systems can be designed to improve the power quality. This paper presents a single-phase PV system that provides grid voltage support and compensation of harmonic distortion at the point of common coupling thanks to a repetitive controller. The power provided...
If distributed generation is to become a significant source of energy in the future, it will have to work in conjunction with the transformers supplying the distribution network to provide adequate voltage quality for customers. Current practice is to prohibit distributed generation from actively participating in voltage control. However, this approach does not take full advantage of the capabilities...
In this paper, a linear quadratic regulator (LQR) and pole placement method for static synchronous compensator (STATCOM) control is introduced. STATCOM is a device capable of solving the power quality problems at the power system. These problems happen in milliseconds and because of the time limitation; it requires the STATCOM that has continuous reactive power control with fast response. The former...
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