Internet of things edge information transmission and compression method and system for power transmission and transformation operation and inspection platform

Abstract

The invention discloses an internet of things edge information transmission and compression method and system for a power transmission and transformation operation and inspection platform. The methodincludes: acquiring acquired measurement quantity information of operation and inspection related equipment; fitting the measured quantity information through a cubic spline fitting function model; and outputting a cubic spline fitting function, calculating a predicted output quantity at the current moment by utilizing the cubic spline fitting function, judging whether the predicted output quantity at the current moment and an actual measurement quantity at the current moment are suddenly changed or not by utilizing the sudden change detection function model, if so, uploading the actual measurement quantity at the moment to the main station, and if not, not uploading the actual measurement quantity at the moment. The invention has the advantages that the abrupt change condition of measuredquantity data can be effectively detected, and the requirement of equipment abnormal signals concerned by operation inspection is met; data compression requirements of mutation detection are met, bandwidth requirements and flow consumption are reduced as much as possible, and support is provided for ubiquitous Internet of Things of a power system.

Description

technical field [0001] The invention relates to a self-adaptive information transmission compression method for edge information of the Internet of Things on a power transmission and transformation inspection platform, and belongs to the technical field of electric power system automation. Background technique [0002] In recent years, large-scale Internet of Things equipment collection and data analysis methods represented by State Grid's "Ubiquitous Internet of Things" and China Southern Power Grid's "Digital South Network" have improved the availability of equipment, extended its service life, and reduced operation and maintenance. Cost, to ensure the healthy and stable operation of the power grid provides technical support. [0003] Among them, in the power transmission and transformation inspection business, in order to detect possible invisible faults and risks of equipment and its environment as early as possible, and carry out preventive maintenance, it is necessary ...

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Problems solved by technology

[0005] Traditionally, the first method is to increase the frequency of monitoring information uploading. This method greatly increases the data bandwidth occupation and power consumption of IoT devices, so it is not widely adaptable; the second method is to filter the uploaded signals, mainly When the threshold exceeds the monitoring signal, it will be uploaded, but this situation is not conducive to the detection of equipment abnormalities such as the increase in the frequency of intermittent signal disturbances

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