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Hybrid energy systems are a promising approach to achieving low cost energy supply in remote areas, comprising of diesel generators, storage devices and renewable sources. The main potential for cost reduction is through optimized operation of the island grid. Power management of these island systems can be challenging due to sudden variations in load demand and high fluctuations in power supplied...
Dynamic voltage control is aimed at keeping post-faults voltage stability within acceptable range in the dynamics of power systems. This paper proposes a dynamic voltage control scheme to coordinate quick reactive power controls based on wide-area measurements and model predictive control (MPC). A detail dynamic voltage control model is established by using wide-area measurement information. According...
This paper presents the principles of a centralized underfrequency load-shedding (UFLS) scheme based on a frequency stability boundary curve suitable for small isolated power systems. The centralized UFLS scheme is illustrated in case of two small isolated Spanish power systems.
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