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Power grid-oriented energy storage power station site selection and constant volume optimization method under a market mechanism

A technology of energy storage power station and market mechanism, applied in the field of energy storage, can solve the problems of low energy storage enthusiasm, insufficient economic advantages, and high cost, and achieve the effects of improving power flow distribution, improving social benefits, and reducing abandoned wind power.

Active Publication Date: 2019-03-19
ZHENGZHOU UNIV
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Problems solved by technology

[0004] The deployment of BESS for the grid requires comprehensive consideration of energy storage planning and operation. In addition to high costs, it also faces problems such as unclear application value and imperfect participation in the market mechanism. The economic advantages in the promotion process are insufficient, which makes the deployment of energy storage for the grid. Motivation is not high

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  • Power grid-oriented energy storage power station site selection and constant volume optimization method under a market mechanism
  • Power grid-oriented energy storage power station site selection and constant volume optimization method under a market mechanism
  • Power grid-oriented energy storage power station site selection and constant volume optimization method under a market mechanism

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Embodiment Construction

[0057] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to make a clearer and clearer definition of the protection scope of the present invention.

[0058] A method for site selection and capacity determination of energy storage power stations in the power grid under a market mechanism includes the following steps:

[0059] Step 1. Benefit analysis of BESS participating in the market;

[0060] Step 2. Description of multi-objective two-layer decision model architecture;

[0061] Step 3. BESS equivalent life loss analysis and quantitative calculation;

[0062] Step 4. Starting from the grid-oriented energy storage configuration, construct a multi-objective two-layer decision model for optimal energy storage configuration that comprehensively considers planning and operation;

[0063] S...

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Abstract

The invention relates to a power grid-oriented energy storage power station site selection and constant volume optimization method under a market mechanism. Starting from energy storage oriented to apower grid, cost benefits of energy storage participating in a power market are analyzed from two aspects of direct income and indirect income, and on the basis, an energy storage optimal configuration multi-target double-layer planning model comprehensively considering planning and operation is established. The outer layer takes energy storage side comprehensive benefits, conventional unit side operation benefits, new energy side additional grid connection benefits and power grid side grid loss benefits as targets; the inner-layer target is energy storage, and the coordinated operation cost of new energy and a conventional unit is minimum. By means of the mode, planning and operation are combined together based on double-layer decision energy storage site selection and constant volume, the influence of the charging and discharging strategy of energy storage on the cycle life is considered, operation guidance planning is achieved, and a new thought is provided for application of energystorage to an electric power system.

Description

Technical field [0001] The present invention relates to the technical field of energy storage, in particular to a method for site selection and capacity determination of energy storage power stations in the power grid under a market mechanism. Background technique [0002] The charging and discharging characteristics of the Battery Energy Storage System (BESS) can shift the energy in time and space, and achieve peak shaving and valley filling to a certain extent. Therefore, the configuration of energy storage in the power system will effectively solve the operating pressure of the new energy grid-connected system. And with the continuous advancement of my country's marketization process and the continuous innovation of energy storage technology, the cost continues to decrease, and it becomes possible for energy storage power stations to participate in the power market as an independent operator. Reasonable site selection and capacity fixing of energy storage power stations are k...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06
CPCG06Q10/04G06Q10/06315G06Q50/06
Inventor 姜欣郑雪媛金阳
Owner ZHENGZHOU UNIV
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