A method and system for aggregate control of a multi-point layout energy storage system

An energy storage system and distributed energy storage technology, applied in the direction of electric energy storage system, AC network load balance, electrical components, etc., can solve the problems of multi-point layout energy storage system aggregation control, etc., to prevent large-scale cascading failures, The effect of improving the static safety margin and solving the difficult problem of dispatching control

Active Publication Date: 2022-04-15
CHINA ELECTRIC POWER RES INST +3
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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 storage systems to solve the problem of how to perform aggregate control of multi-point layout energy storage systems

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  • A method and system for aggregate control of a 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 drawings; however, the present invention may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for the purpose of exhaustively and completely disclosing the present invention. invention and fully convey the scope of the invention to those skilled in the art. The terms used in the exemplary embodiments shown in the drawings are not limiting of the present invention. In the figures, the same units / elements are given the same reference numerals.

[0052] Unless otherwise stated, the terms (including scientific and technical terms) used herein have the commonly understood meanings to those skilled in the art. In addition, it can be understood that the terms defined by commonly used dictionaries should be understood as having consistent meanings in the context of their related fields, and should not be understood as idealiz...

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Abstract

The invention discloses a method and system for aggregate control of multi-point layout energy storage systems, including: establishing an aggregation target; establishing an equivalent passive network model of a power system, and using the equivalent passive network model , based on the Kirchhoff KCL principle to obtain the system node admittance matrix and the system correlation matrix; based on the KCL principle to establish the system node voltage equation; to determine the current of each branch of the system; according to the equivalent passive network model under the excitation source and The relationship between the responses generated by each branch, determine the response factor of each energy storage device on each branch of the system; determine the output of each distributed energy storage device according to the application requirements and response factors of the power system, And formulate aggregation schemes to meet the aggregation goals. The invention solves the problem of scheduling control of distributed energy storage devices, improves the static safety margin of the system, prevents the occurrence of large-scale cascading failures, and fully exerts the application potential of the multi-point layout energy storage system.

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...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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