Method and system for performing aggregation control on multi-point layout energy storage system

An energy storage system and distributed energy storage technology, which is applied in the direction of energy storage systems, electrical components, AC network load balancing, etc., and can solve problems such as aggregation control of multi-point layout energy storage systems.

Active Publication Date: 2020-05-08
CHINA ELECTRIC POWER RES INST +3
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention proposes a method and system for aggregate control of multi-point layout energy stor

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  • Method and system for performing aggregation control on multi-point layout energy storage system
  • Method and system for performing aggregation control on multi-point layout energy storage system
  • Method and system for performing aggregation control on multi-point layout energy storage system

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[0051] Exemplary embodiments of the present invention will now be described with reference to the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described here. These embodiments are provided to disclose the present invention in detail and completely. Invention and fully convey the scope of the present invention to those skilled in the art. The terms in the exemplary embodiments shown in the drawings do not limit the present invention. In the drawings, the same units / elements use the same reference signs.

[0052] Unless otherwise specified, the terms (including scientific and technological terms) used herein have the usual meanings to those skilled in the art. In addition, it is understandable that terms defined in commonly used dictionaries should be understood as having consistent meanings in the context of their related fields, and should not be understood as idealized or overly formal me...

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Abstract

The invention discloses a method and system for performing aggregation control on a multi-point layout energy storage system. The method comprises: establishing an aggregation target; establishing anequivalent passive network model of the power system, and obtaining a system node admittance matrix and a system incidence matrix based on a Kirchhoff KCL principle by utilizing the equivalent passivenetwork model; establishing a system node voltage equation based on a KCL principle; determining the current of each branch of the system; determining a response factor of each energy storage deviceon each branch of the system according to the relationship between the excitation source and the response generated by each branch under the equivalent passive network model; and determining the output condition of each distributed energy storage device according to the application demand and the response factor of the power system, and making an aggregation scheme to meet the aggregation target.The problem of scheduling control of the distributed energy storage device is solved, the static safety margin of the system is improved, large-scale cascading failures are prevented, and the application potential of the multi-point layout energy storage system is brought into full play.

Description

technical field [0001] The present invention relates to the technical field of distributed energy storage, and more specifically, relates to a method and system for aggregated control of multi-point layout energy storage systems. Background technique [0002] The energy problem is the basic problem of human survival and development and social operation. The contradiction between the traditional energy structure and the sustainable development of human beings and the increasing energy demand of human beings has become increasingly acute. New energy structures and supply methods have emerged as the times require. Renewable energy is The key to solving the above contradictions. This has prompted the birth of the new energy structure "Energy Internet" featuring renewable energy and Internet technology. As one of the cores of the Energy Internet, with the continuous increase of grid-connected installed capacity, new energy sources have brought great challenges to the safe and st...

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Application Information

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IPC IPC(8): H02J3/28H02J15/00
CPCH02J3/28H02J15/00
Inventor 李相俊张天庆李文启高东学贾学翠饶宇飞修晓青惠东李朝晖
Owner CHINA ELECTRIC POWER RES INST
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