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Transformer substation harmonic source positioning method and device and computer readable storage medium

A positioning method and harmonic source technology, applied in computer components, calculations, instruments, etc., can solve the problems of harmonic monitoring results and harmonic source positioning result deviation, harmonic source positioning loop asynchronous, power grid characteristic changes, etc. , to improve the accuracy of the

Active Publication Date: 2019-03-15
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1
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Problems solved by technology

[0005] The invention provides a substation harmonic source positioning method and device, and a computer-readable storage medium to solve the problem that the traditional harmonic source positioning loop is not synchronized and cannot follow the dynamic changes of the grid characteristics, resulting in harmonic monitoring results and harmonic The problem of deviation in source location results

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  • Transformer substation harmonic source positioning method and device and computer readable storage medium
  • Transformer substation harmonic source positioning method and device and computer readable storage medium
  • Transformer substation harmonic source positioning method and device and computer readable storage medium

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[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0024] figure 1 The implementation flow of the substation harmonic source location method provided by the embodiment of the present invention is shown, and the details are as follows:

[0025] S101: Based on the precision clock synchronization protocol standard of the network measurement and control system, monitor and obtain the harmonic voltage data of all buses in the substation, and determine whether the harmonic voltage data is available according to the convergence of the harmonic phase angle.

[0026] Full monitoring of the substation is the basis for reali...

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Abstract

The invention relates to the technical field of power transmission. The invention provides a transformer substation harmonic source positioning method and device and a computer readable storage medium, and the method comprises the steps: monitoring and obtaining the harmonic voltage data of all buses of a transformer substation based on the precise clock synchronization protocol standard of a network measurement and control system, and judging whether the harmonic voltage data is available or not according to the convergence of a harmonic phase angle; Inputting the harmonic voltage data with availability into a preset positioning algorithm model for data processing, wherein the positioning algorithm model integrates a plurality of harmonic source positioning algorithms; And positioning theposition of the harmonic source according to the output result of the positioning algorithm model. The harmonic voltage data on all buses of the transformer substation are synchronously monitored based on the IEEE 1588 standard, and the monitored harmonic voltage data are processed by combining multiple harmonic source positioning algorithms, so that the harmonic source is positioned according tothe final processing result, and the positioning accuracy of the harmonic source is improved.

Description

technical field [0001] The invention belongs to the technical field of power transmission, and more specifically relates to a substation harmonic source location method and device, and a computer-readable storage medium. Background technique [0002] With the development of society's industry and economy, the electronic trend of the power system on the power generation side, HVDC transmission and user side is becoming more and more significant. The widespread use of power electronic equipment has brought about more serious power quality problems, especially harmonics and interharmonics, which have had a huge impact on the safe and stable operation of converter stations and capacitor banks, as well as power user equipment such as The safe and reliable operation of inverters, PLC (Programmable Logic Controller, Programmable Logic Controller), etc. brings hidden dangers. Many harmonic resonance or harmonic amplification events in the Luxi DC project have proved that harmonics ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00
CPCG06F2218/22
Inventor 丁泽俊王昕刘桓瑞李锐海赵林杰耿莉莉耿介雯
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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