Overhead line galloping positioning method and device based on ground wire electromagnetic signal
An electromagnetic signal and overhead line technology, applied in the high-voltage field, can solve problems such as poor signal, influence of real-time status collection, low image resolution, etc., and achieve the effect of cost reduction
Active Publication Date: 2022-04-08
TSINGHUA UNIV
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Problems solved by technology
[0005] At present, the galloping of transmission line wires is generally observed through video surveillance, but the local environment is harsh or the signal is not good, which is not conducive to image collection, and because the image resolution of video collection is not high, it will also affect the collection of real-time status
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[0058] Exemplary embodiments of the present disclosure are described below in conjunction with the accompanying drawings, which include various details of the embodiments of the present disclosure to facilitate understanding, and they should be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the disclosure. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
[0059] The method and device for galloping overhead line positioning based on ground wire electromagnetic signals according to the embodiments of the present application will be described below with reference to the accompanying drawings.
[0060] figure 1 It is a flow chart of a method for locating galloping overhead lines based on ground wire electromagnetic signals ...
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The invention discloses an overhead line galloping positioning method, device and equipment based on a ground wire electromagnetic signal and a storage medium, and relates to the technical field of high voltage. According to the specific implementation scheme, the method comprises the following steps: S1, obtaining related parameters of an overhead line, and constructing a ground wire equivalent circuit according to the related parameters; s2, monitoring an electromagnetic signal on the ground wire in real time and performing spectral analysis on the electromagnetic signal; s3, when a frequency abnormal signal occurs in the spectrum analysis, sending the frequency abnormal signal to a data processing end, and generating an analysis result; and S4, determining the frequency, the position and the amplitude of line galloping according to the analysis result. According to the embodiment of the invention, the related parameters of the overhead line are obtained to construct the ground wire equivalent circuit, and the voltage or current on the ground wire is further monitored, so that the line galloping is monitored and positioned. According to the embodiment of the invention, the monitoring device does not need to be installed gear by gear when the overhead line galloping is positioned, and the galloping monitoring and positioning cost is greatly reduced.
Description
technical field [0001] The present application relates to the field of high-voltage technology, and in particular to a method, device, equipment and storage medium for an overhead line galloping positioning algorithm based on ground wire electromagnetic signals. Background technique [0002] Optical Fiber Composite Overhead Ground Wire (OPGW): The optical fiber is placed in the ground wire of the overhead high-voltage transmission line to form an optical fiber communication network on the transmission line. This structure combines both ground wire and communication Dual function, generally called OPGW optical cable. [0003] Conductor galloping is an abnormal state of movement of the conductor, which is mainly manifested as a low-frequency, large-amplitude vibration phenomenon, accompanied by the torsion of the conductor. Galloping will cause great harm to the transmission line. Generally, it will lead to short circuit and flashover tripping, or lead to wear of line fitting...
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IPC IPC(8): G01H11/02
CPCY02E60/00
Inventor 张波崔哲睿张哲程胡军何金良
Owner TSINGHUA UNIV