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Method and system for participating energy storage in primary frequency modulation of power grid, and multi-agent system

A technology of energy storage and power grid, applied in the direction of electrical components, circuit devices, AC network circuits, etc., to achieve good frequency modulation control effect

Active Publication Date: 2021-06-04
NARI TECH CO LTD +4
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is no frequency modulation method that has a good control effect in both extreme disturbance scenarios and continuous disturbance scenarios

Method used

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  • Method and system for participating energy storage in primary frequency modulation of power grid, and multi-agent system
  • Method and system for participating energy storage in primary frequency modulation of power grid, and multi-agent system
  • Method and system for participating energy storage in primary frequency modulation of power grid, and multi-agent system

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0037] like figure 1 As shown, a method for energy storage to participate in the primary frequency regulation of the power grid includes the following steps:

[0038] Step 1, according to the SOC characteristics of the energy storage in the grid, obtain the frequency modulation dead zone of each energy storage.

[0039] The main purpose of participating in frequency modulation (frequency modulation) is to use the fast throughput of energy storage to reduce the loss of conventional energy modulation and frequency storage units, so the range of energy storage participating in frequency modulation is smaller than that of conventional units. If the frequency modulation dead zone is not set, the fr...

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Abstract

The invention discloses a method and a system for participating energy storage in primary frequency modulation of a power grid, and a multi-agent system. The method comprises the steps: obtaining a frequency modulation dead zone of energy storage according to the characteristics of an energy storage SOC, and carrying out the primary frequency modulation of the power grid according to the frequency modulation dead zone and a primary frequency modulation model of the power grid.Whether in an extreme disturbance scenario or a continuous disturbance scenario, a good frequency modulation control effect is achieved.

Description

technical field [0001] The invention relates to a method, system and multi-agent system for energy storage to participate in primary frequency regulation of a power grid, belonging to the field of power grid frequency regulation. Background technique [0002] The primary frequency regulation of the power grid refers to the regulation of the frequency of the power system by using the inherent load frequency characteristics of the power system and the function of the governor of the generator set. The primary frequency modulation signal can automatically balance the fast and small load random fluctuations, and can also buffer sudden load changes under abnormal conditions. The attenuation and adjustment difference of the main tuning frequency need to be combined with the frequency modulation control to achieve no difference adjustment frequency. At present, there is no frequency modulation method that has a good control effect no matter in the extreme disturbance scene or the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/24
CPCH02J3/241
Inventor 李吉晨刘韶峰常康陈堂龙葛维春葛延峰王琛淇张艳军汪马翔扈卫卫张昊天周天
Owner NARI TECH CO LTD
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