Power distribution method and system for electrochemical energy storage power station

Abstract

The invention relates to a power distribution method and system for an electrochemical energy storage power station. The method comprises the following steps: when the power quantity required by powergrid dispatching is less than the sum of rated capacities of all electrochemical energy storage power stations, determining technical evaluation indexes of the electrochemical energy storage power stations according to the acquired power grid dispatching instruction information and the operation statistical information of the electrochemical energy storage power stations, and determining power distributed to each electrochemical energy storage power station by utilizing comprehensive evaluation coefficients of the electrochemical energy storage power stations participating in power grid dispatching; when the power grid dispatching demand power quantity is greater than or equal to the sum of the rated capacities of all the electrochemical energy storage power stations, determining the distributed power of the electrochemical energy storage power stations by utilizing the power grid dispatching demand power quantity. According to the technical scheme, the power distribution algorithm ofthe electrochemical energy storage power station is corrected by updating the evaluation coefficient in a rolling mode, the rationality of power distribution of the power grid dispatching electrochemical energy storage power station is improved; meanwhile, an operator is effectively guided to dispatch decisions of the electrochemical energy storage power station, and the stable operation of a power grid is promoted.

Description

technical field [0001] The invention relates to the application field of electrochemical energy storage power stations, in particular to a power distribution method and system for electrochemical energy storage power stations. Background technique [0002] The development of new and efficient energy storage technology is the key technology to realize the revolution in the operation mode of the power grid. Its application in the power system is an inevitable trend in the development of the future power grid. The use of energy storage devices can realize the delayed supply of electric energy; it can effectively realize the demand side management, reduce the peak-to-valley difference between day and night, and strengthen the self-regulation of peak-to-valley loads in regional power grids; improve the safety and stability of large power grids and the level of power quality, improve power transmission and transformation capabilities, increase power supply reliability, and promote ...

AI Technical Summary

Problems solved by technology

[0003] Although the technology and application of energy storage power stations are approaching maturity, and a certain amount of operating experience has been accumulated, there are still many problems in the operation and management of energy storage power stations that need to be studied in depth; the existing electrochemical energy storage power station dispatching and power distribution Technology, the analysis of the operation data of the electrochemical energy storage power stations participating in the dispatch is lacking, and a clear mechanism for the evaluation of the power stations has not yet been formed. Reasonable power distribution of energy storage power stations is not conducive to the optimal operation of power grid dispatching

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