Intelligent substation sampling loop fault determination method based on homologous data comparison

A technology of intelligent substation and data comparison, applied in circuit devices, data processing applications, electrical components, etc., to achieve the effect of improving the level of safe operation and improving the efficiency of maintenance

Active Publication Date: 2019-07-12
HONGHE POWER SUPPLY BUREAU OF YUNNAN POWER GRID
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Solved the problem of real-time automatic judgment and timely

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  • Intelligent substation sampling loop fault determination method based on homologous data comparison
  • Intelligent substation sampling loop fault determination method based on homologous data comparison

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[0044] In order to facilitate the understanding and implementation of the present invention by those of ordinary skill in the art, the present invention will be further described in detail below with reference to the embodiments. It should be understood that the embodiments described herein are only used to illustrate and explain the present invention, but not to limit the present invention.

[0045] The method for judging the fault of the sampling circuit of the intelligent substation based on the comparison of the homologous data provided by the present invention is as follows: figure 1 shown, including the following steps:

[0046] Step 1, homologous data configuration;

[0047] Step 2, collecting signal packets;

[0048] Step 3, parsing the homologous data after receiving the signal message, the homologous data of the same data source includes the first homologous data and the second homologous data;

[0049] Step 4, judging whether the amplitude and phase angle of the f...

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Abstract

The invention discloses an intelligent substation sampling loop fault determination method based on homologous data comparison. The method comprises a step of performing homologous data configuration,a step of collecting a signal packet, a step of parsing homologous data after receiving the signal packet, wherein the homologous data of the same data source includes first homologous data and second homologous data, a step of determining whether the amplitudes and phase angles of the first homologous data and the second homologous data are valid or not, and a step of calculating a comparison result of the first homologous data and the second homologous data according to a homologous data matching model, determining an alarm state, and determining whether a sampling loop is failed. Accordingto the method, the real-time monitoring and intelligent diagnosis of an intelligent substation sampling loop are facilitated, and the operation and maintenance efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of intelligent operation and maintenance diagnosis of intelligent substations, in particular to a fault determination method for sampling loops of intelligent substations based on homologous data comparison. Background technique [0002] The secondary equipment of the smart substation adopts a three-layer structure, namely: station control layer, interval layer, and process layer. Among them, the secondary equipment of the process layer is responsible for the collection of signals such as voltage, current analog quantity, switch quantity and tripping, and transmits the collected signals to the bay layer equipment, such as protection, measurement and control and other IED equipment. As one of the most important devices in the process layer, the merging unit is responsible for the synchronous acquisition of the voltage and current analog quantities of the substation, and then transmits the collected results to...

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Application Information

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IPC IPC(8): H02J13/00G06Q50/06G06Q10/00
CPCG06Q10/20G06Q50/06H02J13/0006Y02E60/00Y04S10/16Y04S10/50
Inventor 李远喻立刘云涛陈爱民李虹
Owner HONGHE POWER SUPPLY BUREAU OF YUNNAN POWER GRID
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