Calculation method for comprehensive economic efficiency evaluation index of energy storage system

An energy storage system and economic efficiency technology, applied in the field of energy storage systems, can solve the problems that the comprehensive economic efficiency index of the energy storage system does not appear, and the comprehensive economic efficiency index of the energy storage system has no unified standard.

Pending Publication Date: 2021-07-06
XIAN THERMAL POWER RES INST CO LTD
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  • Abstract
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Problems solved by technology

[0006] At present, there is no unified standard for the comprehensive economic efficiency index of energy storage system to follow, and there is no com...

Method used

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  • Calculation method for comprehensive economic efficiency evaluation index of energy storage system
  • Calculation method for comprehensive economic efficiency evaluation index of energy storage system
  • Calculation method for comprehensive economic efficiency evaluation index of energy storage system

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Embodiment Construction

[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0024] figure 1 An example of a comprehensive utilization system of compressed air energy storage is shown. The energy storage input energy of the compressed air energy storage system mainly includes two parts: (1) the electric energy input from the grid power to the compressor; (2) the high temperature energy from other units The high-pressure steam passes through the steam cooler to exchange heat for the compressed air. The effective output energy of the compressed air energy storage system includes two parts: (1) grid-connected electric energy converted by the air turbine generator; (2) heat supply through the circulating water of the heating network.

[0025] The evaluation and calculation method provided by the invention is used to evaluate and calculate the comprehensive economic efficiency index of the energy storage system.

[0026] Example descript...

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Abstract

The invention discloses a calculation method for comprehensive economic efficiency evaluation indexes of an energy storage system. The method comprises the following steps of step a, proposing an energy storage system comprehensive economic efficiency index eta c and consideration factors of the index; step b, defining a calculation formula of eta c; step c, the enterprise profit condition of eta c being explained; and step d, explaining the energy storage object evaluated by the eta c. In comprehensive economic efficiency evaluation and calculation of energy storage systems of various types and purposes, an objective and comprehensive evaluation and calculation method covering the whole life cycle can be provided for comprehensive economic efficiency evaluation of different energy storage systems.

Description

technical field [0001] The invention relates to the technical field of energy storage systems, in particular to a method for calculating the comprehensive economic efficiency evaluation index of the energy storage system. Background technique [0002] In recent years, due to the advantages of renewable energy power generation in protecting the environment and saving energy, my country has vigorously developed wind power, solar energy and other renewable energy power generation technologies. However, both wind power and solar power generation are random, intermittent, and unstable. In order to achieve a balance between power supply and demand under the condition that the installed capacity of new energy power stations continues to grow, it is urgent to improve the power output stability of new energy power generation systems. The energy storage system can change the synchronous completion mode of electric energy production, transmission and use, and realize the time-staggered...

Claims

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Application Information

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IPC IPC(8): G06F17/10G06Q10/06G06Q50/06
CPCG06F17/10G06Q10/06313G06Q10/06393G06Q50/06Y02P90/82
Inventor 薛志恒何欣欣陈会勇杨可贾晨光王兴赵杰王伟锋
Owner XIAN THERMAL POWER RES INST CO LTD
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