再生可能エネルギー増加時における地域間連系線を活用した広域需給制御

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  • Wide-area Supply-and-demand Control Considering Tie-line between Control Areas in Case of High Penetration of Renewable Energy Sources
  • サイセイ カノウ エネルギー ゾウカジ ニ オケル チイキ カンレンケイセン オ カツヨウ シタ コウイキ ジュキュウ セイギョ

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<p>Introduction of renewable energy sources, such as photovoltaic (PV) and wind turbine (WT), might cause supply-and-demand imbalance over a long time. As a countermeasure for supply-and-demand imbalance, wide-area supply-and-demand control considering tie-line between control areas is considered. As the controlled area expands, the number of generators for satisfying ramp-rate and spinning-reserve also increases. Moreover, since a large number of PV and WT are installed over a wide-area, the output of each PV and WT is almost uncorrelated and smoothed by statistical properties. In this paper, a long-term analysis model for determining optimal output while calculating frequency and tie-line power deviation is used for evaluating the wide-area supply-and-demand control. The simulation results reveal that the frequency of power systems and the fuel cost of generators can be decreased by wide-area supply-and-demand control.</p>

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