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Telemetering data analysis method and device for transformer substation

A technology of telemetry data and analysis methods, applied in the field of data analysis, can solve problems such as low alarm accuracy and insufficient refinement

Active Publication Date: 2021-04-09
FOSHAN POWER SUPPLY BUREAU GUANGDONG POWER GRID
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this technical solution is based on substation as a unit for data analysis, which is not refined enough, resulting in low alarm accuracy

Method used

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  • Telemetering data analysis method and device for transformer substation
  • Telemetering data analysis method and device for transformer substation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Such as figure 1 As shown, this embodiment provides a method for analyzing telemetry data of a substation, including the following steps:

[0047] S1: Obtain the message file of the substation received the previous day, and obtain the telemetry data corresponding to the type identifier according to the type identifier of each frame of the message file.

[0048] In the embodiment of the present invention, a large-capacity database can be stored in the history server of SCADA, and historical message files can be stored for a long time in the database. The message files include multi-frame messages, and each frame message has records of substation Full data (that is, operating status data), including data such as remote control, telemetry, and remote signaling. Among them, telemetry data includes each value refresh time and corresponding value of telemetry information. Therefore, in step S1, specifically, the message file of the substation received the previous day may be...

Embodiment 2

[0071] Such as figure 2 As shown, this embodiment provides a telemetry data analysis device for a substation, including an acquisition unit 201, a reading unit 202, a statistical unit 203, and a first alarm unit 204; wherein,

[0072] The obtaining unit 201 is configured to obtain the message file of the substation received the previous day, and obtain the telemetry data corresponding to the type identification according to the type identification of each frame of the message file;

[0073] The reading unit 202 is used to find the message in which the next frame of telemetry data corresponding to the telemetry object point number changes according to the telemetry object point number in the frame message when reading each frame message, and calculate The time interval between two frames of messages is taken as the telemetry change time of the substation interval corresponding to the telemetry object point number, and the telemetry change time is included in the accumulated to...

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Abstract

The invention discloses a telemetering data analysis method and device for a transformer substation, and the method comprises the steps: extracting telemetering data from a message document of the transformer substation received in the previous day, dividing the telemetering data according to the intervals of the transformer substation and carrying out the data analysis, and carrying out the statistics of the telemetering change frequency of each transformer substation interval and the telemetering change time of each time; further counting the average telemetering change time of each substation interval, the ratio of the times that the telemetering change time is greater than the average telemetering change time and the ratio of the telemetering change times, concerning the substation interval with longer telemetering change time of a measurement and control device, and giving an alarm so that data analysis can be carried out by taking the substation interval as a unit; and monitoring measurement and control devices at intervals of all transformer substations in a more refined manner, thereby improving the alarm accuracy.

Description

technical field [0001] The invention relates to the technical field of data analysis, and more specifically, to a method and device for analyzing telemetry data of a substation. Background technique [0002] In the design and construction of the substation, it will be combined according to the incoming line, the main transformer high voltage, the main transformer low voltage, the main transformer, and the low voltage outgoing line. Each part is called a substation interval. The substation bay is a part of the substation, including the connection of ultra-high (or high) voltage switchgear and power lines, power transformers, etc. to the substation bus system, as well as protection, control and measurement and control devices for power lines, power transformers, etc. [0003] The telemetry data such as current, voltage, and power of each substation interval are real-time data detected by the measurement and control device of the substation interval through the sensor, and then...

Claims

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Application Information

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IPC IPC(8): H02J13/00G06F16/2458
CPCH02J13/00002H02J13/00034G06F16/2462Y04S10/16Y02E60/00
Inventor 李伟业姚若昊车磊彭飞进邓智广卢颖吴越彭修亚曹志辉熊吟龙
Owner FOSHAN POWER SUPPLY BUREAU GUANGDONG POWER GRID
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