Abstract
It is not conducive to green low-carbon development to pursuit very low wind power accommodation rate regardless of cost. In order to improve the efficiency of wind accommodation and realize the coordinated development of wind power and power grid, a “rational curtailment rate” of wind power should be studied and evaluated. This work proposes that the “rational curtailment rate” of wind power should be defined as a curtailment rate when the marginal wind power accommodation cost equals to the marginal wind power accommodation benefits at given level of installed wind capacity. The rational curtailment rate is related to the system peak shaving capacity and installed wind capacity. According to the rational curtailment rate, three development strategies are proposed to guide the improvement of wind power accommodation level and energy supply efficiency: First, calculate rational curtailment rate separately in every provinces, and establishing early warning standards for wind power construction differently. Second, the idea of wind power development should be adjusted to “adjust resources flexibly first”. Third, set up different wind power investment guidance for in different areas, indicated by rational curtailment rate.
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