Electrochemical energy storage power station planning method considering cycle life of energy storage battery

A technology for energy storage power stations and energy storage batteries, which is applied in the direction of measuring electricity, measuring electrical variables, instruments, etc., and can solve the problems of long time, complicated scene set selection and reduction methods, etc.

Active Publication Date: 2021-01-01
TSINGHUA UNIV +1
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Problems solved by technology

The disadvantage of this method is that the selection and reduction of scene sets is complicated, and there is a disadvantage that each scene optimization takes a long time

Method used

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  • Electrochemical energy storage power station planning method considering cycle life of energy storage battery
  • Electrochemical energy storage power station planning method considering cycle life of energy storage battery
  • Electrochemical energy storage power station planning method considering cycle life of energy storage battery

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Embodiment Construction

[0136] The present invention proposes a method for planning an electrochemical energy storage power station considering the cycle life of the energy storage battery. The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0137] The present invention proposes a planning method for electrochemical energy storage power stations considering the cycle life of energy storage batteries. The overall process is as follows figure 1 shown, including the following steps:

[0138] 1) Construct a typical scenario set for the initial planning of the electrochemical energy storage power station, set the initial expected service life of the batteries of the electrochemical energy storage power station, and obtain the annual wind power curve and annual load curve; the specific steps are as follows:

[0139] 1-1) Construct a typical scenario set for the initial stochastic programming of electrochemical energy sto...

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Abstract

The invention provides an electrochemical energy storage power station planning method considering the cycle life of an energy storage battery, and belongs to the technical field of power system planning and operation. The method comprises the steps of firstly, establishing and solving an electrochemical energy storage power station stochastic programming model under a typical scene set, and obtaining an initial programming result of a to-be-programmed power station; secondly, performing annual daily operation simulation on the power system by utilizing the current planning result, constructing an energy time sequence curve of the electrochemical energy storage power station, and calculating the actual cycle life of the electrochemical energy storage power station, thereby obtaining the actual service life of the electrochemical energy storage power station; and adjusting the current planning result by calculating the parameter sensitivity of the power system to the electrochemical energy storage power station until a final planning result conforming to the error tolerance is output. According to the method, the accurate cycle life model of the energy storage battery and various uncertain energy storage application scenes are considered, the accuracy of the planning scheme is improved, and the obtained planning scheme of the electrochemical energy storage power station is morereasonable and effective.

Description

technical field [0001] The invention belongs to the technical field of power system planning and operation, and particularly proposes an electrochemical energy storage power station planning method considering the cycle life of an energy storage battery. Background technique [0002] Energy storage can provide peak shaving, frequency regulation, backup, black start, demand response support and other services for power grid operation, and is an important means to improve the flexibility, economy and security of traditional power systems. Compared with other energy storage methods, electrochemical energy storage has the advantages of large power capacity, strong dynamic active and reactive power support capability, fast response speed, high energy density and high cycle efficiency, and is expected to be used in power grid peak regulation, frequency regulation, voltage regulation and emergency Control and other aspects play an important role, improve the consumption level of re...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06G01R31/367G01R31/382
CPCG06Q10/04G06Q10/06313G06Q50/06G01R31/367G01R31/382Y04S10/50
Inventor 刘锋张云帆陈来军苏一帆高东学张景超李程昊
Owner TSINGHUA UNIV
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