Method and system for evaluating complementarity of regional wind and light resources

Abstract

The invention provides a method and system for evaluating the complementarity of regional wind and light resources. On the basis of a standardized wind speed sequence and a ground cumulative exposuredose standardized sequence, wind-light complementary intensities of all grid point in a region are obtained; and a regional wind-light complementary intensity two-dimensional map is drawn to evaluatea wind-light complementary intensity distribution situation of the region. According to the invention, wind and light variables are standardized to form new wind and light resource meteorological variables; and the wind and light resources are integrated and the synergistic changes of wind resources and light resources are considered fully. The abstract concept of wind and light complementation iscalculated and described quantitatively and the wind-light complementary resource distribution map is drawn by using the method, thereby providing a valuable reference base for wind-light resource evaluation, power station site selection, and new energy source matching and regulation in a certain region.

Description

technical field [0001] The invention belongs to the field of power generation systems, and in particular relates to a method and system for evaluating the complementarity of wind and solar resources in a region. Background technique [0002] Wind energy and solar energy are both unstable and discontinuous energy sources, and large-scale grid connection will have a non-negligible impact on the grid. Due to the characteristics of the continental monsoon climate in my country, wind energy and solar energy naturally have strong complementarity in terms of time and region—when the sun is strongest during the day, the wind is weak, and at night, the light is weak, but due to the large surface temperature difference and wind energy It has been strengthened; in summer, the sun shines directly on the northern hemisphere, resulting in high sunlight intensity and low monsoon wind, while in winter, although the sunlight intensity is weak, the wind is relatively strong due to the large te...

AI Technical Summary

Problems solved by technology

[0005] As mentioned above, the analysis of wind and wind resources carried out separately, although the overall distribution and historical variability of wind and wind resources can be seen, but it cannot intuitively measure the characteristics of the regional wind and wind complementary resources

At the same time, the current research on the wind-solar hybrid system is mostly based on the optimal matching calculation and system optimization control of a certain wind-solar hybrid system. Advantages and disadvantages of resource complementarity

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