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Integrated Distributed Adaptive Reactive Power and Voltage Automatic Control Method

A voltage automatic control and distributed technology, applied in the direction of reactive power compensation, AC network voltage adjustment, etc., can solve the problems of AVC system deactivation, unsuccessful plant topology verification, etc., to achieve the effect of improving reliability and high availability

Active Publication Date: 2021-09-28
NINGDE POWER SUPPLY COMPANY STATE GRID FUJIAN ELECTRIC POWER +1
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current AVC system integrates all the plants and stations together, which may lead to the failure of the topology verification of individual plants and stations, resulting in the shutdown of the entire AVC system

Method used

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  • Integrated Distributed Adaptive Reactive Power and Voltage Automatic Control Method
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  • Integrated Distributed Adaptive Reactive Power and Voltage Automatic Control Method

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Embodiment Construction

[0070] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0071] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0072] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinatio...

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Abstract

The invention relates to an integrated distributed self-adaptive automatic control method for reactive power and voltage, which includes an automatic reactive power and voltage control system AVC on the ground dispatching side and more than one automatic reactive power and voltage control system AVC on the county dispatching side; Centralized computing and unified decision-making for AVC services; when the system is disconnected, the model is adaptively adjusted, AVC distributed operation and distributed decision-making at the dispatching side of each county; when the power grid network is restored, the control and blocking protection data are intelligently synchronized, and the ground dispatching side is restored at the same time The AVC service centralizes calculation and unified decision-making, which effectively improves the reliability of the system; among them, the AVC service on the ground survey side and the AVC service on the county survey side adopt a combination of genetic algorithm and sensitivity analysis for calculation and decision-making. The invention can ensure safe, high-efficiency and stable operation of the power grid, and at the same time improve the voltage qualification rate, reduce network loss, prolong the service life of electrical equipment, and reduce the labor intensity of control personnel.

Description

technical field [0001] The invention relates to the field of electric power, in particular to an integrated distributed self-adaptive reactive voltage automatic control method. Background technique [0002] Voltage is an important indicator of power quality. Voltage quality has an important impact on the safe and economical operation of the power system, on ensuring the safe production of users, product quality, and the safety and life of electrical equipment. The reactive power compensation and reactive power balance of the power system are the basic conditions to ensure the voltage quality. Effective voltage control and reasonable reactive power compensation can not only ensure voltage quality, but also improve the stability and safety of power system operation, and give full play to economic benefits. [0003] With the completion of the integrated construction of the State Grid, the scale of the power grid dispatching technical support system connected to the plant has e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/16
CPCH02J3/16Y02E40/30
Inventor 叶家玮林鸿伟李苗王超君伍仰金刘善春洪云飞陈琪吴智晖郑涛郑传良涂承谦
Owner NINGDE POWER SUPPLY COMPANY STATE GRID FUJIAN ELECTRIC POWER
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