37. саветовање CIGRE Србија (2025) СИГУРНОСТ, СТАБИЛНОСТ, ПОУЗДАНОСТ И RESILIENCE ЕЛЕКТРОЕНЕРГЕТСКОГ СИСТЕМА МУЛТИСЕКТОРСКО ПОВЕЗИВАЊЕ У ЕНЕРГЕТИЦИ И ПРИВРЕДИ – C4-01
АУТОР(И) / AUTHOR(S): Suzana Nikolić, Mileta Žarković, Jovan Mikulović
DOI: 10.46793/CIGRE37.C4.01
САЖЕТАК / ABSTRACT:
The increasing demand for electrical energy by consumers presents a key challenge for the power system due to its impact on system stability. This leads to deviations in voltage and frequency from nominal values, a problem further exacerbated by the integration of renewable energy sources (RES) into the distribution network due to their variability. To ensure a stable and sustainable transition from thermal power plants to RES, the development of energy storage systems is essential. One potential solution is battery energy storage systems (BESS), which enable the balancing of energy production and consumption, thereby reducing peak loads. However, a downside of their integration is the occurrence of switching overvoltage waves that can damage existing power system equipment. The aim of this paper is to conduct a comparative analysis of the power system before and after the integration of RES and BESS, as well as to examine their mutual impact when connected simultaneously. The methodology involves software-based analysis and simulations of a real system using a specialized tool to record voltage fluctuations in the network after BESS integration. The study focuses on comparing the amplitude and steepness of switching overvoltages before and after BESS integration. As a result of this research, a representative model of the power network has been developed, accurately depicting system changes following the introduction of battery energy storage systems. This model can serve as a foundation for further research aimed at improving power system stability in light of the increasing integration of RES and BESS.
КЉУЧНЕ РЕЧИ / KEYWORDS:
power system, renewable energy sources, battery energy storage system, overvoltage waves, simulation
ПРОЈЕКАТ / ACKNOWLEDGEMENT:
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