Power quality zoning method and device and storage medium

A power quality and power grid technology, applied in the field of power quality partitioning methods, devices and storage media, can solve problems such as damage to electronic equipment, unsatisfactory power quality improvement effect, and slow adjustment speed.

Active Publication Date: 2018-06-15
QINHUANGDAO POWER SUPPLY COMPANY OF STATE GRID JIBEI ELECTRIC POWER COMPANY +1
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] In view of this, the purpose of the embodiments of the present invention is to provide a power quality partition method, device and storage medium to solve the problem that the traditional power quality management method has an unsatisfactory effect on improving the power quality of other non-local access nodes. When the quality fluctuates, the adjustment speed is slow, which may easily cause damage to the electronic equipment connected to the grid

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  • Power quality zoning method and device and storage medium
  • Power quality zoning method and device and storage medium
  • Power quality zoning method and device and storage medium

Examples

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no. 1 example

[0027] The applicant's research found that the types and quantities of pollution sources in modern power systems are increasing, and a large number of distributed power sources, nonlinear and impact loads are connected to the power grid, which makes the network topology increasingly complex, and at the same time increases the voltage deviation and three-phase imbalance. , harmonic distortion rate and other power quality pollution. At the same time, precision instruments and equipment connected to the power grid and power electronic load equipment are more sensitive to power quality. When the power quality is poor, they will be affected or even damaged more than traditional electrical equipment. The existing traditional power quality management methods are mainly local governance methods, which cannot quickly control the power quality of grid nodes in a wide range. In view of the high penetration, decentralization and whole network of pollution sources in the power grid, the tra...

no. 2 example

[0056] In order to better implement the power quality partitioning method provided in the first embodiment of the present invention, this embodiment provides a power quality partitioning device 100 . Please refer to image 3 , image 3 A block diagram of a power quality partitioning device provided in this embodiment.

[0057] The power quality partitioning device 100 includes a detection module 110 , a sequence processing module 120 , a correlation degree processing module 130 and an area division module 140 .

[0058] The detection module 110 is configured to detect the original time series of obtaining the power quality data of the first node in the power grid, and is also used to detect the original time series of obtaining the power quality data of other nodes in the power grid.

[0059] A sequence processing module 120, configured to obtain a comparison sequence based on the original time sequence.

[0060] An association degree processing module 130, configured to ca...

no. 3 example

[0066] Please refer to Figure 4 , Figure 4 A structural block diagram of an electronic device 200 applicable to the embodiment of the present application is shown. The electronic device 200 may include a power quality partitioning apparatus 100 , a memory 201 , a storage controller 202 , a processor 203 , a peripheral interface 204 , an input and output unit 205 , an audio unit 206 , and a display unit 207 .

[0067] The memory 201, storage controller 202, processor 203, peripheral interface 204, input and output unit 205, audio unit 206, and display unit 207 are electrically connected to each other directly or indirectly to realize data transmission or interact. For example, these components can be electrically connected to each other through one or more communication buses or signal lines. The power quality partitioning device 100 includes at least one software function module that can be stored in the memory 201 in the form of software or firmware (firmware) or solidif...

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Abstract

The invention provides a power quality zoning method and device and a storage medium, which belong to the technical field of power control. According to the power quality zoning method, each node in apower grid is used as a comparison node in turn, the correlation degree between each comparison node and a reference node is calculated, and the comparison nodes of which the correlation degree exceeds a preset threshold are classified to a power quality management area where the reference node is located. The power quality zoning method realizes power quality zoning quickly and accurately basedon the correlation degree of power quality, and makes the management and control of power quality more convenient and quicker.

Description

technical field [0001] The present invention relates to the technical field of power regulation, in particular to a power quality partition method, device and storage medium. Background technique [0002] With the development of science and technology and the rapid acceleration of urbanization in modern society, people's electricity demand is no longer limited to power supply time and electricity price, and people have put forward higher requirements for the stability and quality of electric energy. Especially with the massive integration of new energy equipment into the power grid and the development trend of power electronics in the power system, the power quality pollution of the power system is more serious. At the same time, precision instruments and power electronic load equipment are more sensitive to power quality, and the consequences caused by power quality problems are more serious. The types and quantities of pollution sources in the power system continue to inc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/06312G06Q50/06
Inventor 高云辉孙海东刘洋张奇刘依阳李岩峰訾爱媛高小刚牛益国
Owner QINHUANGDAO POWER SUPPLY COMPANY OF STATE GRID JIBEI ELECTRIC POWER COMPANY
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