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Charging and discharging control method and device for energy storage power station

A charging and discharging control and energy storage power station technology, applied in the field of energy storage, can solve the problem of difficulty in balancing the overall benefits of the energy storage power station and the power grid, and achieve the effects of balancing the overall benefits, effective collaborative control, and eliminating influences

Active Publication Date: 2019-08-16
GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
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  • Claims
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AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to provide a charging and discharging control for energy storage stations in order to address the defect that energy storage stations are affected by fluctuations of different factors in the grid when performing charging and discharging operations, and it is difficult to balance the overall benefits of both energy storage stations and the grid. Method and device

Method used

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  • Charging and discharging control method and device for energy storage power station
  • Charging and discharging control method and device for energy storage power station
  • Charging and discharging control method and device for energy storage power station

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Embodiment Construction

[0019] In one embodiment, as figure 1 As shown, it is a flow chart of the charging and discharging control method of the energy storage power station, including steps:

[0020] S101. Obtain the user-responsive power consumption on the user side according to the grid-side power generation price, and update the grid-side power generation price through the user-response power consumption, until the relative optimal value of the grid-side power generation price and the user-response power is obtained.

[0021] For the distributed energy storage system, obtain relevant data of different sides in the distributed energy storage system. Specifically, the power generation price on the grid side and the user-responsive power consumption on the user side are obtained. The user side may include one or more users, and different users have different user response power consumption at different times. Among them, the process of obtaining the user-responsive power consumption on the user si...

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Abstract

The invention relates to a charging and discharging control method and device of an energy storage power station. A charging amount of the energy storage power station is determined according to an issued electrovalence of a power grid side and a use response electricity consumption amount of a user side, and charging and discharging of the energy storage power station are controlled according tothe charging amount of the energy storage power station, according to which, influence caused by fluctuations of different factors in a power grid on the charging and discharging of the energy storagepower station is eliminated, so that effective cooperative control of the power grid and the energy storage power station is realized, and the overall benefits of the power grid and the energy storage power station are balanced.

Description

technical field [0001] The invention relates to the technical field of energy storage, in particular to a charging and discharging control method and device for an energy storage power station. Background technique [0002] With the development of the new energy automobile industry, the output of power batteries used in automobiles has gradually increased. New energy vehicles have high requirements for power batteries. When the power battery does not meet the requirements, the power battery will be replaced. At present, the replaced power battery cells are usually paired into battery packs for the construction of decommissioned battery energy storage power stations. [0003] As a part of the distributed energy storage system, the energy storage power station and the coordinated control between the power grid are conducive to the cascade utilization of electric energy, and realize the functions of peak shaving and valley filling on the grid side. However, at present, the en...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/32H02J3/00
CPCH02J3/008H02J3/32H02J2203/20
Inventor 陈盛燃黄裕春许苑陈健慈松王珂刘伟明李涛林琳陈丽萍
Owner GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
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