A virtual power plant regulation capacity evaluation method and system based on multi-parameter coupling

Abstract

The application relates to the technical field of virtual power plant regulation capacity evaluation, in particular to a virtual power plant regulation capacity evaluation method and system based on multi-parameter coupling. The method comprises the following steps: obtaining operation state data of power supply units and energy storage units in a virtual power plant; calculating fluctuation characteristic indexes based on the power supply units, and constructing an initial regulation capacity feasible region based on the energy storage units; constructing a source-storage coupling model, defining a mapping relationship between the fluctuation characteristic indexes and reserved capacities, and eliminating the reserved capacities from the initial feasible region to generate a corrected confidence feasible region; calculating the maximum regulation power in the confidence feasible region; and constructing a three-dimensional evaluation model by using a convolution algorithm and outputting a comprehensive regulation capacity evaluation curve. The application eliminates the reserved capacities for balancing internal fluctuations from the initial feasible region, thereby significantly improving the accuracy and robustness of the virtual power plant regulation capacity evaluation.

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