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AGC frequency regulation control method and system for power grid with dynamic demand response resource participation

A demand response and power grid frequency technology, applied to electrical components, circuit devices, AC network circuits, etc., to achieve the effects of small capacity, expansion of power grid frequency regulation resources, and improvement of frequency control quality

Active Publication Date: 2022-07-01
NARI NANJING CONTROL SYST +3
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] The present invention provides a power grid AGC frequency modulation control method and system involving dynamic demand response resources, which solves the problems disclosed in the background technology

Method used

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Examples

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Embodiment Construction

[0037] The following examples are only used to illustrate the technical solutions of the present invention more clearly, and cannot be used to limit the protection scope of the present invention.

[0038] The power grid AGC frequency regulation control method with the participation of dynamic demand response resources includes the following steps:

[0039] Step 1, the dynamic demand response resources aggregated by the aggregator are equivalent to a demand response virtual unit, and a power grid frequency regulation control model added to the demand response virtual unit is constructed.

[0040] The demand response virtual unit is to use the aggregator, switch or continuously adjust the output power of the dynamic demand response to respond to the frequency regulation demand of the power grid. That is to say, the adjustment process of the virtual unit is realized by the demand response aggregator controlling a single demand response resource, and finally realizes the response ...

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Abstract

The invention discloses a power grid AGC frequency regulation control method and system with the participation of dynamic demand response resources. The invention converts the aggregated dynamic demand response resources into a demand response virtual unit, and adds the demand response virtual unit to the power grid frequency regulation control model , participate in the frequency regulation control of the power grid, realize the aggregation of dynamic demand responses with small capacity and large quantity, and participate in the overall frequency regulation control of the power grid, further expand the frequency regulation resources of the power grid, and improve the frequency control quality of the power grid. It is widely used in large-scale new energy access to the power grid, Frequency control of conventional power grids with insufficient reserve.

Description

technical field [0001] The invention relates to a power grid AGC frequency regulation control method and system in which dynamic demand response resources participate, and belongs to the technical field of frequency control of power systems. Background technique [0002] With the large-scale connection of new energy sources to the power grid, traditional thermal power sources are replaced on a large scale, resulting in a continuous reduction of the traditional moment of inertia of the power grid, a gradual weakening of the traditional primary frequency regulation capability of the power grid, and a gradual increase in the risk of grid frequency stability. With the development of "source-network-load" interactive technology and the popularization and use of intelligent terminals, dynamic demand response resources have become new frequency regulation and control resources. Through mining, aggregation and unified regulation, power grid frequency regulation resources can be expan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/48
CPCH02J3/48H02J2203/20H02J2300/28
Inventor 吴继平李亚平徐瑞黄鸣宇于昌海刘海涛涂孟夫毛文博刘爱梅滕贤亮丁恰朱克东刘建涛
Owner NARI NANJING CONTROL SYST
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