Research on the Flexible Performance of Wind Power Forecast System in China Southern Power Grid
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Abstract
Compared with the large wind farms in the north which are built in the relatively flat inland area, wind farms located in CSG(China Southern Power Grid) are built in the relatively complex terrain environment, such as onshore or hilly areas, which challenges the performance of wind power forecast system (WPFS) greatly. The purpose of the wind power forecasting system application research is to keep the forecasting precision of the system in the complex and changeable scene and meet the requirement by the users. This paper presents the solution to flexibility of WPFS based on the analysis of typical wind resource and wind power characteristics over CSG, and the actual arrangements and user requirements for WPFS as well. Then the framework of forecasting flexibility is proposed according to the three main technical links of WPFS: multiple data inputs, forecasting modeling and forecasting results' forms, providing guidance for the building of WPFS and forecasting precision improvement in view of engineering. To illustrate the idea in detail, historical data of wind farms in CSG is used as displaying samples for discussion.
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