초록

Wind energy was selected as a way to achieve the renewable energy 3020 implementation plan. Wind resources are clean energy and are among the renewable energy sources with excellent economics, efficiency, and environmental properties. Wind resources are divided into land and sea. Offshore wind power generation has a relatively high wind energy density compared to onshore wind power generation. As a result, the offshore wind power industry, which builds wind farms with higher energy density, is expanding worldwide. In the case of the offshore wind power industry, large and extra-large wind farm construction is being carried out by utilizing geographical advantages. There are also plans to create a large domestic offshore wind farm. Therefore, it is expected that the capacity of offshore wind farms connected to the power system will gradually increase. In this paper, the effect on the power system when a 500 MW-class offshore wind farm is connected to the system is analyzed by simulating various presumed accidents and analyzing the system’s stability.

키워드

재생에너지, 전력계통, 주파수, 풍력발전, 해상풍력발전

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