An energy storage system optimization method and system based on wind-solar-storage combined power station
A technology of energy storage system and photovoltaic power generation system, which is applied in the field of energy storage system optimization based on wind-solar-storage combined power station, can solve problems such as the lack of integration of the two modes, prolong life, reduce the number of times energy storage is used, and avoid deep charging and deep charging put the effect
Active Publication Date: 2022-02-15
NORTH CHINA ELECTRIC POWER UNIV (BAODING) +1
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However, there is currently no control strategy that integrates the two modes.
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[0066] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0067] The purpose of the present invention is to provide an energy storage system optimization method and system based on wind-solar-storage combined power station, so as to meet the requirements of fluctuation rate and relative tracking error at the same time, and prolong the life of energy storage.
[0068] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described...
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The present invention relates to an energy storage system optimization method and system based on a wind-solar-storage combined power station, including: obtaining relevant data of a wind-solar-storage combined power station; value and the ideal output value of the energy storage system at each moment in the tracking output plan control mode; after combining the ideal output values at each moment under the two modes, the actual output value of the energy storage system under different weights is determined; according to The actual output value of the energy storage system under different weights determines the average volatility and average relative tracking error under different weights; the Pareto front is determined according to the average volatility and average relative tracking error; the optimization target is the number of charging and discharging of the energy storage system , to determine the weight-satisfactory solution of the energy storage system on the Pareto front. The invention can simultaneously meet the requirements of fluctuation rate and relative tracking error, and prolong the service life of energy storage.
Description
technical field [0001] The invention relates to the field of new energy power generation, in particular to an optimization method and system for an energy storage system based on a wind-solar-storage combined power station. Background technique [0002] The current status quo is that each wind-solar storage station lacks a scheduling platform and control strategy that supports multi-energy interaction. The wind-solar storage station cannot simultaneously handle issues such as tracking power generation plans and wind-solar power fluctuations. The system operation efficiency is low, and it is difficult to tap the active support capacity of energy storage. , seriously restricting the new energy grid-connected capacity and power quality level. [0003] Due to the influence of weather and geographical factors, wind speed and wind direction will change frequently, and photovoltaic output is also closely related to weather changes. Changes in light intensity and temperature will af...
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IPC IPC(8): H02J3/32H02J3/24H02J3/46G06Q10/04G06Q50/06
CPCH02J3/32H02J3/24H02J3/46G06Q10/04G06Q50/06H02J2300/24H02J2300/28Y04S10/50Y02E70/30Y02E40/70Y02E10/56
Inventor 林忠伟张子涵赵泽邹祖冰刘瑞阔
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)