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CN-121980289-A - Optical fiber sensing technology-based power equipment data processing method and system

CN121980289ACN 121980289 ACN121980289 ACN 121980289ACN-121980289-A

Abstract

The invention discloses a method and a system for processing power equipment data based on an optical fiber sensing technology, and relates to the technical field of power equipment monitoring, wherein the method comprises the steps of extracting abnormal change characteristics from a virtual reference correction table, carrying out explanatory discrimination by combining with the power equipment state, respectively writing in an enhancement candidate and a suppression candidate, and generating a double-mark candidate book; performing time-bearing check, space adjacent check and parallel arbitration on the double-mark candidate book, dynamically distinguishing a dominant abnormal item and a standby abnormal item to generate a main and standby abnormal hanging list, performing hierarchical encapsulation, instruction dispatch and trace collection on the main and standby abnormal hanging list, outputting real-time monitoring content, synchronously writing back and tracking processing instructions and trace records, and generating an optical fiber data processing output set. The invention realizes space-time check and parallel arbitration and improves the monitoring accuracy of the power equipment.

Inventors

  • ZHAO HONGCHENG

Assignees

  • 上海朋邦实业有限公司

Dates

Publication Date
20260505
Application Date
20260409

Claims (10)

  1. 1. The utility model provides a power equipment data processing method based on optical fiber sensing technology which is characterized in that the method comprises the following steps: Collecting power equipment state and optical fiber sensing data, performing unified time service, repeatedly recording trimming, missing position supplementing and sensing position hanging, and generating an in-situ alignment sensing sequence; extracting state matching stable reference fragments from the in-situ alignment sensing sequence, performing in-situ merging to obtain an in-situ merging fragment column, and performing ortho mapping and continuous inversion splicing to construct a dynamic virtual reference channel; Pairing the dynamic virtual reference channel with the in-situ alignment sensing sequence, performing baseline restoration to obtain a baseline restoration entry column, and simultaneously performing common mode drift subtraction and cross sensitivity correction to generate a virtual reference correction table; extracting abnormal change characteristics from the virtual reference correction table, carrying out explanatory judgment by combining with the state of the power equipment, and respectively writing in an enhancement candidate and a suppression candidate to generate a double-mark candidate book; performing time-bearing check, space adjacent check and parallel arbitration on the double-mark candidate book, dynamically distinguishing a dominant abnormal item and a standby abnormal item, and generating a main and standby abnormal hanging list; and carrying out hierarchical packaging, instruction dispatch and trace collection on the main and standby abnormal hanging list, outputting real-time monitoring content, and synchronously writing back tracking processing instructions and trace records to generate an optical fiber data processing output set.
  2. 2. The method for processing data of an electrical device based on an optical fiber sensing technology as claimed in claim 1, wherein the step of generating an in-situ alignment sensing sequence comprises the following steps: collecting power equipment state and optical fiber sensing data, and carrying out in-situ identification loading and in-situ solidification to generate an in-situ collection item set; Comparing the local acquisition time in the in-situ acquisition item set with a unified time reference one by one, executing time callback and forward extension, and simultaneously cutting out repeated records to generate a unified time service trimming item set; and executing the position-compensating occupation on the missing positions in the unified time service trimming list set, and carrying out the perception position hanging according to the position-compensating occupation content to generate an in-situ alignment perception sequence.
  3. 3. The method for processing data of an electrical device based on the optical fiber sensing technology as claimed in claim 2, wherein the step of obtaining the same-state merging segment column comprises the following steps: screening state matching stable candidate content from the in-situ alignment sensing sequence, checking mismatch conditions of time break and position mutation, and performing continuous stable screening and fragment sorting to generate a state matching stable reference fragment; And executing the same-state merging and sequential rearrangement on the state matching stable reference fragments to generate a same-state merging fragment column.
  4. 4. The method for processing data of an electrical device based on the optical fiber sensing technology as claimed in claim 1 or 2, wherein the step of constructing the dynamic virtual reference channel comprises the following steps: performing ortho mapping, space bearing checking and mapping sequence writing based on the front ortho, rear ortho and same-layer ortho of the in-state merging segment columns to generate an ortho mapping reference chain; And performing continuous inversion splicing, head-to-tail fitting, notch filling and channel sequential packaging on the ortho-mapping reference chains along a unified time sequence and a spatial adjacent sequence to construct a dynamic virtual reference channel.
  5. 5. The method for processing data of an electrical device based on the optical fiber sensing technology as claimed in claim 4, wherein the step of obtaining the baseline return entry column comprises the following steps: Aligning the dynamic virtual reference channel with the in-situ alignment sensing sequence one by one, and carrying out reference source screening and effective pairing to generate a virtual reference pairing list; and executing baseline retuning, front-back section fitting and offset forward connection on the paired contents in the virtual reference paired list according to the power equipment state and the sensing position, and generating a baseline retuning item column.
  6. 6. The method for processing data of an electrical device based on an optical fiber sensing technology as claimed in claim 1 or 5, wherein the generating of the virtual reference correction table comprises the steps of: Extracting public changes of synchronous appearance of sensing positions from a baseline return entry column, and performing parallel checking, common mode source extraction and common mode drift deduction to generate a common mode deduction entry set; and combining the adjacent relation among the common mode buckling entry set, the power equipment state and the sensing position, performing cross checking, coupling change discrimination and cross sensitivity correction, and generating a virtual reference correction table.
  7. 7. The method for processing data of an electrical device based on the optical fiber sensing technology as claimed in claim 6, wherein the step of generating the double-label candidate book comprises the following steps: extracting abnormal change characteristics of continuous rise, burst jump, periodic fluctuation and abnormal pulsation from a virtual reference correction table in time sequence, and regularizing the abnormal change characteristics into an abnormal change characteristic entry set; performing explanatory discrimination on the abnormal change characteristic item set one by one, distinguishing a state interpretable bit and a state unexplainable bit, and generating an explanatory discrimination item set; based on the interpretation discrimination entry set, writing the enhanced candidate to the state unexplained bit, writing the suppressed candidate to the state unexplained bit, and writing the candidate order and the source position in a complementary manner, thereby generating a double-mark candidate book.
  8. 8. The method for processing data of electrical equipment based on optical fiber sensing technology as claimed in claim 7, wherein the step of generating the master-slave abnormal hooking list comprises the following steps: performing back-and-forth acceptance comparison on the enhancement candidates and the suppression candidates in the double-marked candidate book, verifying a continuous extension relation of abnormal changes in time, and generating a time acceptance check item set; Performing space adjacency checking on the time-bearing checking item set, and checking the continuous distribution relation of abnormal change in space to generate a space-time checking candidate list; And executing parallel arbitration on the enhancement candidates and the suppression candidates in the time-space verification candidate column, distinguishing the dominant abnormal item from the standby abnormal item, and generating a main standby abnormal hooking list.
  9. 9. The method for processing data of an electrical device based on the optical fiber sensing technology as claimed in claim 8, wherein the step of generating the optical fiber data processing output set comprises the following steps: Performing hierarchical encapsulation on the dominant abnormal item and the standby abnormal item in the main and standby abnormal hooking lists, dividing the dominant abnormal item and the standby abnormal item into a priority encapsulation bit, a tracking encapsulation bit and an observation encapsulation bit, and generating a hierarchical encapsulation item set; the method comprises the steps of respectively executing instruction dispatch on a priority encapsulation bit, a tracking encapsulation bit and an observation encapsulation bit in a hierarchical encapsulation entry set, sequentially encapsulating, and outputting real-time monitoring content; And executing trace collection and synchronous write-back on the main and standby abnormal hanging list, the hierarchical encapsulation item set and the instruction dispatch content, and merging and encapsulation by combining the real-time monitoring content to generate an optical fiber data processing output set.
  10. 10. An optical fiber sensing technology-based power equipment data processing system, and an optical fiber sensing technology-based power equipment data processing method according to any one of claims 1 to 9, characterized by comprising: the data acquisition module is used for acquiring the state of the power equipment and the optical fiber sensing data, executing unified time service, repeatedly recording trimming, missing position supplementing and sensing position hooking, and generating an in-situ alignment sensing sequence; the channel construction module is used for extracting a state matching stable reference segment from the in-situ alignment sensing sequence, executing the same-state merging, obtaining a same-state merging segment column, and carrying out ortho-position mapping and continuous inversion splicing to construct a dynamic virtual reference channel; the baseline restoration module is used for pairing the dynamic virtual reference channel with the in-situ alignment sensing sequence, executing baseline restoration to obtain a baseline restoration entry column, and simultaneously executing common mode drift deduction and cross sensitivity correction to generate a virtual reference correction table; The explanatory judging module is used for extracting abnormal change characteristics from the virtual reference correction table, carrying out explanatory judgment by combining the power equipment state, writing in the enhancement candidates and the suppression candidates respectively, and generating a double-mark candidate book; The main-standby abnormality distinguishing module is used for executing time-bearing check, space adjacent check and parallel arbitration on the double-mark candidate book, dynamically distinguishing a main abnormal item and a standby abnormal item, and generating a main-standby abnormal hanging list; And the data recording module is used for carrying out hierarchical encapsulation, instruction dispatch and trace collection on the main and standby abnormal hanging lists, outputting real-time monitoring content, synchronously writing back and tracking processing instructions and trace records, and generating an optical fiber data processing output set.

Description

Optical fiber sensing technology-based power equipment data processing method and system Technical Field The invention relates to the technical field of power equipment monitoring, in particular to a power equipment data processing method and system based on an optical fiber sensing technology. Background The optical fiber sensing technology has wide application in the fields of electric power, traffic, petrochemical industry and the like by virtue of unique advantages such as electromagnetic interference resistance, long-distance transmission, high sensitivity, wide measurement bandwidth and the like, and the distributed optical fiber sensing technology, artificial intelligence and edge calculation depth fusion promotes industry to change from single perception to intelligent interconnection normal form, so that the spatial resolution is continuously broken through, and the dynamic measurement range is continuously expanded. In the intelligent transformation process of the power system, optical fiber sensing is applied to the scenes such as transformer winding temperature monitoring, cable insulation state evaluation, transmission line deformation detection and the like, supports real-time online monitoring under a cloud-edge cooperative framework, and provides key technical support for the construction of a full life cycle intelligent operation and maintenance system of the power equipment. However, the existing optical fiber sensing data processing technology still has the limitations that firstly, space-time alignment precision of multi-source heterogeneous data is insufficient, a unified time service mechanism and a position hooking strategy are lacked between a power equipment state signal and optical fiber sensing data, so that the matching degree of a sensing sequence and equipment working conditions is low, the accuracy of state discrimination is affected, secondly, common mode drift and cross sensitivity effect caused by environmental interference are difficult to effectively inhibit, the construction capability of the existing baseline correction method on a dynamic virtual reference channel is limited, misjudgment or missed judgment is easy to generate in the abnormal feature extraction process, and the reliability and the robustness of a monitoring system are restricted. Disclosure of Invention The present invention has been made in view of the above-described problems occurring in the prior art. Therefore, the invention provides a data processing method of power equipment based on an optical fiber sensing technology, which solves the problems of insufficient space-time alignment precision of multi-source heterogeneous data and low abnormal discrimination reliability under environmental interference. In order to solve the technical problems, the invention provides the following technical scheme: The invention provides an optical fiber sensing technology-based power equipment data processing method, which comprises the steps of collecting power equipment states and optical fiber sensing data, executing unified time service, repeatedly recording trimming, position defect supplementing and sensing position hanging, generating an in-situ alignment sensing sequence, extracting state matching stable reference fragments from the in-situ alignment sensing sequence, executing in-situ merging, obtaining an in-situ merging fragment column, carrying out ortho-mapping and continuous inversion splicing, constructing a dynamic virtual reference channel, pairing the dynamic virtual reference channel with the in-situ alignment sensing sequence, executing baseline back-up, obtaining a baseline back-up entry column, executing common mode drift deduction and cross sensitivity correction, generating a virtual reference correction table, extracting abnormal change characteristics from the virtual reference correction table, carrying out explanatory discrimination in combination with the power equipment states, writing enhanced candidates and suppressed candidates respectively, generating a double-mark candidate book, executing time-adapting check, space adjacent check and parallel arbitration on the double-mark candidate book, dynamically distinguishing the abnormal entries and standby abnormal entries, generating a main standby abnormal hanging list, carrying out hierarchical encapsulation instruction and stay-mark record and synchronous trace record and output data record and real-time processing. As an optimal scheme of the optical fiber sensing technology-based power equipment data processing method, the in-situ alignment sensing sequence is generated, and the method comprises the following steps: collecting power equipment state and optical fiber sensing data, and carrying out in-situ identification loading and in-situ solidification to generate an in-situ collection item set; Comparing the local acquisition time in the in-situ acquisition item set with a unified time reference one by one, executing time callba