CN113985226A - Cable processing method and system - Google Patents

Cable processing method and system Download PDF

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Publication number
CN113985226A
CN113985226A CN202111238777.8A CN202111238777A CN113985226A CN 113985226 A CN113985226 A CN 113985226A CN 202111238777 A CN202111238777 A CN 202111238777A CN 113985226 A CN113985226 A CN 113985226A
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China
Prior art keywords
cable
information
test
processed
processing
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CN202111238777.8A
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Inventor
王文慧
黄锦伟
林丽红
陈群峰
李晓斌
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Guangdong Power Grid Co Ltd
Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
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Guangdong Power Grid Co Ltd
Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
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Priority to CN202111238777.8A priority Critical patent/CN113985226A/en
Publication of CN113985226A publication Critical patent/CN113985226A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials

Abstract

The invention discloses a cable processing method and a cable processing system. The cable processing method comprises the following steps: acquiring cable information of a cable to be processed; acquiring cable test information generated by performing partial discharge test on a cable to be processed; calling historical processing mode information with the maximum similarity in a cable historical processing database based on the cable information and the cable test information; acquiring current processing mode information input based on the historical processing mode information and the cable test information; and storing the cable information, the cable test information and the current processing mode information into the cable historical processing database in a correlated manner. By adopting the scheme, the dependence on the experience of the processing personnel is reduced, and the manpower and material resources are greatly liberated.

Description

Cable processing method and system
Technical Field
The embodiment of the invention relates to a cable technology, in particular to a cable processing method and a cable processing system.
Background
In order to improve the management level of an urban distribution network, the traditional extensive routing inspection and fault first-aid repair mode is changed, the source is controlled, important cable lines are diagnosed in advance, the defects of a power cable are found, potential defects are overhauled and maintained, the reliability and effectiveness of power supply are guaranteed, and the effect of not getting rain and silk is achieved.
The conventional cable treatment system needs certain operation experience during operation, namely, the system needs to be familiar with various functions and operations, and operators also need extremely high professional techniques for defect operation later, so that the threshold of cable maintenance personnel is extremely high, and new people with insufficient experience often need old people with abundant experience to carry teaching, and extremely high waste of manpower and material resources.
Disclosure of Invention
The invention provides a cable processing method and a cable processing system, which are used for reducing the dependence on the experience of processing personnel and greatly liberating manpower and material resources.
In a first aspect, an embodiment of the present invention provides a cable processing method, where the cable processing method includes:
acquiring cable information of a cable to be processed;
acquiring cable test information generated by performing partial discharge test on a cable to be processed;
calling historical processing mode information with the maximum similarity in a cable historical processing database based on the cable information and the cable test information;
acquiring current processing mode information input based on the historical processing mode information and the cable test information;
and storing the cable information, the cable test information and the current processing mode information into the cable historical processing database in a correlated manner.
In an optional embodiment of the present invention, before the obtaining cable test information generated by performing the partial discharge test on the cable to be processed, the method further includes:
acquiring cable proofreading information generated by the cable proofreading discharge amount to be processed;
the acquiring of the cable test information generated by the partial discharge test of the cable to be processed includes:
and acquiring cable test information generated by performing partial discharge test on the cable to be processed based on the cable checking information.
In an optional embodiment of the present invention, the obtaining cable calibration information generated by calibrating the discharge capacity of the cable to be processed includes:
and acquiring cable proofreading information generated by gradually proofreading the discharge amount of the cable to be detected from 10nC to 100pC according to a preset proofreading rule.
In an optional embodiment of the present invention, after the obtaining cable test information generated by performing the partial discharge test on the cable to be processed, the method further includes:
acquiring cable fault report information generated based on the cable test information, wherein the cable fault report information at least comprises cable defect position information;
the acquiring current processing mode information input based on the historical processing mode information and the cable test information includes:
and acquiring current processing mode information input based on the historical processing mode information and the cable fault report information.
In an optional embodiment of the present invention, the associating the cable information, the cable test information, and the current processing mode information into the cable history processing database includes:
and correlating the cable information, the cable test information and the current processing mode information, classifying according to a preset classification numbering rule to form numbering data, and storing the numbering data into the cable historical processing database.
In an optional embodiment of the present invention, after the associating the cable information, the cable test information, and the current processing mode information, classifying the cable information, the cable test information, and the current processing mode information according to a preset classification numbering rule to form numbering data, and storing the numbering data in the cable history processing database, the method further includes:
obtaining return visit information input by returning visit of a cable to be processed;
and storing the return visit information into the corresponding serial number data.
In an optional embodiment of the present invention, the acquiring cable test information generated by performing the partial discharge test on the cable to be processed includes:
and acquiring cable test information generated by partial discharge test after the test voltage is input to the cable to be processed based on a preset boosting test rule.
In an optional embodiment of the present invention, the cable information includes rated power frequency voltage information between a cable conductor and an insulation shielding layer or a metal sheath;
and the preset boosting test rule comprises that rated power frequency voltages corresponding to rated power frequency voltage information of 0, 0.5, 0.7, 0.9, 1.0, 1.3, 1.5 and 1.7 times are input into the cable to be processed as the test voltage for partial discharge test.
In an optional embodiment of the present invention, the cable information includes at least one of cable model information, cable route information, scheduling number information, start point information, end point information, length information, joint number information, joint position information, and rated power frequency voltage information between a cable conductor and an insulation shielding layer or a metal sheath;
and/or the cable test information comprises initial voltage information, extinguishing voltage information, input test voltage and partial discharge pulse signal information under each test voltage;
and/or the processing mode information comprises at least one of situation description information of the defect, maintenance means information of the defect, processing process image information and image explanation information.
In a second aspect, an embodiment of the present invention further provides a cable processing system, where the cable processing system includes:
one or more processors;
a memory for storing one or more programs;
the partial discharge testing device is used for performing partial discharge testing on the cable to be processed;
when executed by the one or more processors, cause the one or more processors to implement a cable processing method according to any one of the embodiments of the present invention.
According to the cable processing method and device, the cable information of the cable to be processed and the cable test information generated by partial discharge test of the cable to be processed are obtained, and then the historical processing mode information with the maximum similarity in the historical processing database of the cable is called based on the cable information and the cable test information, so that a processor can process the cable to be processed according to the historical processing mode information, the processing difficulty is reduced, a person with insufficient experience can accumulate experience quickly, error processing is avoided, and loss is reduced. And then acquiring current processing mode information input based on the historical processing mode information and the cable test information, and further storing the cable information, the cable test information and the current processing mode information into the cable historical processing database in a correlated manner. Along with the increase of data in the historical processing database, the more and more abundant cable defect problem that shows to handle just also, when the later stage meets same or similar cable defect again and needs the processing, can more quick find corresponding historical processing mode and call out to the treater in time handles the cable, realizes reducing the degree of dependence, the very big manpower and materials of liberation to the treater experience.
Drawings
Fig. 1 is a flowchart of a cable processing method according to an embodiment of the present invention;
fig. 2 is a flowchart of a cable processing method according to a second embodiment of the present invention;
fig. 3 is a flowchart of a cable processing method according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a cable processing system according to a fourth embodiment of the present invention.
41, a memory; 42. a processor; 43. a partial discharge test device; 44. a collation unit; 45. high frequency scanning oscilloscope.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a flowchart of a cable processing method according to an embodiment of the present invention, where the present embodiment is applicable to a cable maintenance situation, and the method may be executed by a cable processing system, as shown in fig. 1, the cable processing method specifically includes the following steps:
and S110, acquiring cable information of the cable to be processed.
The cable information refers to information that can reflect the characteristics of the cable, for example, in a specific embodiment, the cable information includes at least one of cable model information, cable route information, scheduling number information, start point information, end point information, length information, joint number information, joint position information, and rated power frequency voltage information between a cable conductor and an insulation shielding layer or a metal sheath. The specific content of the cable information is not specifically limited as long as the cable information can reflect the characteristics of the cable to be processed.
There are various ways to acquire cables, for example, cable information of each cable is pre-stored in the cable processing system, and an operator manually selects a cable to be processed and then calls out related cable information. Or the operator manually enters cable information relating to the cable to be treated on site. The manner of obtaining the cable information of the cable to be processed is not specifically limited, but is only an example.
S120, cable test information generated by the partial discharge test of the cable to be processed is obtained.
The partial discharge test is a new technology for state maintenance of the power cable, and inevitable defects (such as gaps in solid insulation, bubbles in liquid insulation and the like) exist in the cable insulation, and when the field intensity in the gaps and the bubbles or on the partial solid insulation edge surface reaches a certain value, partial discharge occurs. Therefore, the partial discharge diagnosis and positioning are carried out by utilizing the formed damping oscillation wave, and the weak insulation defects of the cable terminal, the intermediate joint and the body can be accurately positioned. The cable test information refers to data information related to test when the partial discharge test is performed, and the data information can reflect the fault condition of the cable to be processed.
And S130, calling historical processing mode information with the maximum similarity in a cable historical processing database based on the cable information and the cable test information.
The cable history processing database refers to information about a faulty cable that has been processed, such as cable information, cable test information, and processing method information of a faulty cable.
The similarity refers to the matching degree of the cable information and the cable test information of the current cable to be processed and the cable information and the cable test information of the historical fault cable. The historical processing mode information with the maximum similarity in the cable historical processing database refers to information related to processing faults of the historical faulty cable which is matched with the cable information and the cable test information of the cable to be processed to the maximum extent, such as maintenance means, video recording of a processing process or explanation of the video recording.
For example, in a specific embodiment, the cable information includes a cable model and a cable length, the cable test information includes time domain waveforms of internal voltage signals of cables to be processed under different test voltages, assuming that the historical fault cable includes a cable a and a cable B, A, B the cable model and the cable length of the cable are both the same as the cable to be processed, A, B the test voltage of the cable is the same as the cable to be processed, the similarity between the time domain waveforms of the internal voltage signals under different test voltages of the cable a and the time domain waveforms of the internal voltage signals under different test voltages of the cable to be processed is 80%, the similarity between the time domain waveforms of the internal voltage signals under different test voltages of the cable B and the time domain waveforms of the internal voltage signals under different test voltages of the cable to be processed is 85%, the cable B is the historical fault cable with the largest similarity at this time, and the processing mode information related to the cable B is the historical fault cable with the largest similarity in the historical processing database of the cable described herein And processing the mode information.
And S140, acquiring current processing mode information input based on the historical processing mode information and the cable test information.
The current processing mode information is information related to processing of the current cable to be processed.
S150, storing the cable information, the cable test information and the current processing mode information into the cable historical processing database in a correlated mode.
Wherein, the association means that the cable information, the cable test information and the current processing mode information form a corresponding relationship. For example, in a specific embodiment, after the cable information, the cable test information, and the current processing method information are associated and stored in the cable history processing database, and after the cable information is input in the cable history processing database, the cable test information and the current processing method information associated with the cable information can also be called out together.
According to the scheme, the cable information of the cable to be processed and the cable test information generated by the partial discharge test of the cable to be processed are obtained, and then the historical processing mode information with the maximum similarity in the historical processing database of the cable is called based on the cable information and the cable test information, so that a processor can process the cable to be processed according to the historical processing mode information, the processing difficulty is reduced, a person with insufficient experience can accumulate experience quickly, error processing cannot occur, and loss reduction is facilitated. And then acquiring current processing mode information input based on the historical processing mode information and the cable test information, and further storing the cable information, the cable test information and the current processing mode information into the cable historical processing database in a correlated manner. Along with the increase of data in the historical processing database, the more and more abundant cable defect problem that shows to handle just also, when the later stage meets same or similar cable defect again and needs the processing, can more quick find corresponding historical processing mode and call out to the treater in time handles the cable, realizes reducing the degree of dependence, the very big manpower and materials of liberation to the treater experience.
Example two
Fig. 2 is a flowchart of a cable processing method according to a second embodiment of the present invention, which is optimized based on the first embodiment. As shown in fig. 2, the cable processing method specifically includes the following steps:
s210, cable information of the cable to be processed is obtained.
S220, cable proofreading information generated by the cable proofreading discharge amount to be processed is obtained.
During partial discharge testing, voltage is output through a cable to be processed, so that a phenomenon of partial discharge is generated at a defect of the cable to be processed, then partial discharge quantity of the defect is obtained through detecting discharge pulse parameters of the partial discharge, and further a specific position of the defect is determined.
The calibration of the discharge capacity refers to outputting a certain fixed electric quantity and adding the two ends of the cable to be processed before the test, simulating the response of a partial discharge test device for testing partial discharge when the cable to be processed discharges under the electric quantity, adjusting the scale coefficient at the moment, and determining the measuring range of the partial discharge test device so as to measure the apparent discharge capacity of the cable to be processed under the rated voltage during the test. Since the discharge amount is indirectly measured by comparing the standard amount of electricity, not directly measured, the discharge amount is referred to as "apparent discharge amount".
Therefore, the result of the partial discharge test can be more accurate by correcting the discharge amount. In a specific embodiment, the cable calibration information may include apparent discharge amount information, a range of a partial discharge test apparatus used for performing a partial discharge test, and the like.
And S230, acquiring cable test information generated by performing partial discharge test on the cable to be processed based on the cable checking information.
The partial discharge testing method comprises the steps of firstly performing discharge amount calibration on a cable to be processed and then performing partial discharge testing, so that the testing result of the partial discharge testing is more accurate, namely the accuracy of cable testing information is higher.
And S240, calling historical processing mode information with the maximum similarity in a cable historical processing database based on the cable information and the cable test information.
And S250, acquiring current processing mode information input based on the historical processing mode information and the cable test information.
S260, storing the cable information, the cable test information and the current processing mode information into the cable historical processing database in a correlated mode.
Illustratively, the obtaining of the cable calibration information generated by the discharge amount of the cable to be calibrated includes:
and acquiring cable proofreading information generated by gradually proofreading the discharge amount of the cable to be detected from 10nC to 100pC according to a preset proofreading rule.
The preset calibration rule refers to a rule related to calibrating the discharge amount step by step, for example, a plurality of discharge amount values are taken between 10nC and 100pC according to a specific rule, and then the discharge amount is calibrated step by step from small to large. By gradually calibrating the discharge from 10nC to 100pC, the range can be adjusted during the test according to the signal magnitude to obtain the correct apparent discharge.
EXAMPLE III
Fig. 3 is a flowchart of a cable processing method according to a third embodiment of the present invention, which is optimized based on the second embodiment. As shown in fig. 3, the cable processing method specifically includes the following steps:
s310, cable information of the cable to be processed is obtained.
And S320, acquiring cable calibration information generated by the discharge amount of the cable to be processed.
S330, cable test information generated by partial discharge test of the cable to be processed based on the cable calibration information is obtained.
S340, acquiring cable fault report information generated based on the cable test information, wherein the cable fault report information at least comprises cable defect position information;
the cable fault report information is information reflecting the fault condition of the cable to be processed, and the cable defect position information is information reflecting the specific position of the defect of the cable to be processed on the cable to be processed.
The cable fault report information can be generated through manual input of a processing person based on the cable test information or automatic generation of the cable test information.
In a specific embodiment, the cable processing system includes a partial discharge detection device and a high-frequency scanning oscilloscope, when the partial discharge detection device performs a partial discharge test on a cable to be processed, the high-frequency scanning oscilloscope scans the inside of the cable to be processed, and by using the propagation characteristic of a partial discharge pulse on the cable, the specific position of a defect of the cable to be processed on the cable to be processed can be obtained.
And S350, calling historical processing mode information with the maximum similarity in a cable historical processing database based on the cable information and the cable test information.
And S360, acquiring current processing mode information input based on the historical processing mode information and the cable fault report information.
The cable fault report information at least comprises cable defect position information, wherein the cable defect position information is information reflecting the specific position of the defect of the cable to be processed on the cable to be processed. The processing personnel can find the defect position of the cable to be processed quickly by knowing the cable fault report information, and then maintain, so that the current processing mode information can be input more quickly and accurately, and the current processing mode information obtained is more accurate.
And S370, correlating the cable information, the cable test information and the current processing mode information, classifying the cable information, the cable test information and the current processing mode information according to a preset classification numbering rule to form numbering data, and storing the numbering data into the cable historical processing database.
The preset classification numbering rule refers to a rule for performing classification numbering preset in advance in the cable processing system, for example, classification according to the type of the cable, classification according to the position of the cable, classification according to the type of the cable fault, and the like.
And S380, obtaining the return visit information input by returning visit to the cable to be processed.
Wherein, the return visit refers to the detection of the service condition of the cable to be processed after fault treatment. The return visit can be performed manually by a handler, for example, the cable manager can be asked, or the cable can be directly checked on site. The return visit times may be ordered according to worker time, with priority being given to return visits by workers handling the cable, and also being arranged in worker work profiles. In a particular embodiment, the return visit time is within a half month to 1 month after completion of the treatment of the cable to be treated. The number of revisits may be multiple times, and in one embodiment, the number of revisits may be three times or more.
The return visit information is information reflecting the use condition of the cable to be processed after fault processing, and may include normal operation or insulation defect appearing again, for example.
And S390, storing the return visit information into the corresponding number data.
Wherein, through depositing the revisit information in serial number data, when transferring this serial number data, the service behavior after this cable is handled according to the historical processing mode of storage can be learnt to the processing personnel to know whether this processing mode is effective, and then can make things convenient for the processing personnel to select suitable mode to handle the cable of treating, the treatment effeciency is high and the treatment effect is good, very big liberation manpower and materials.
In an optional embodiment of the present invention, the acquiring cable test information generated by performing the partial discharge test on the cable to be processed includes:
and acquiring cable test information generated by partial discharge test after the test voltage is input to the cable to be processed based on a preset boosting test rule.
During the partial discharge test, voltages with different sizes are gradually input into the cable to be processed, and then the partial discharge phenomenon at the defect position of the cable to be processed is detected so as to find the defect position of the cable to be processed. The preset boosting test rule refers to a preset rule for gradually boosting the test voltage input into the cable to be processed, and the test voltage refers to the voltage input into the cable to be processed to test the cable to be processed. The partial discharge phenomenon of the cable to be processed can be conveniently detected by inputting the test voltage to the cable to be processed based on the preset boosting test rule, and then the cable test information can be conveniently obtained.
Illustratively, the cable information comprises rated power frequency voltage information between a cable conductor and an insulation shielding layer or a metal sheath;
and the preset boosting test rule comprises that rated power frequency voltages corresponding to rated power frequency voltage information of 0, 0.5, 0.7, 0.9, 1.0, 1.3, 1.5 and 1.7 times are input into the cable to be processed as the test voltage for partial discharge test.
The method comprises the steps of obtaining the input voltage of the cable to be processed according to the preset boosting test rule, and detecting the cable to be processed rapidly.
In an optional embodiment of the present invention, the cable test information includes start voltage information, extinction voltage information, an input test voltage, and partial discharge pulse signal information at each test voltage.
The starting voltage is a voltage of the cable to be treated, which gradually rises from a low value until the voltage starts to exceed a certain predetermined discharge amount, and the voltage at this time is called a starting voltage of partial discharge. The extinction voltage is the voltage at which the voltage applied to the cable to be treated decreases gradually from a higher value at which partial discharge is observed to a lower voltage at which discharge can be observed in the test loop. In practice, the extinguishing voltage is a low voltage at which the partial discharge amplitude is equal to or less than a certain prescribed value. The input test voltage refers to the voltage applied across the cable to be processed during the partial discharge test. The local pulse signal information refers to information representing a pulse signal generated when a partial discharge occurs at a defect of the cable to be processed.
In an optional embodiment of the present invention, the processing method information includes at least one of situation description information of the defect, repair measure information of the defect, processing procedure image information, and image interpretation information.
The defect refers to a defective part of the cable to be processed, and the condition description information may include picture information, text description, video recording, and the like of the defect. By enabling the processing mode information to comprise at least one of situation description information of the defect, maintenance means information of the defect, processing process image information and image explanation information, when the detection cable meets the same or similar situation and the corresponding processing mode is prepared, the processing idea and the processing details at the time can be more comprehensively known, the fault processing difficulty can be reduced, and detection processing personnel with insufficient experience can independently and perfectly process fault positions.
Example four
Fig. 4 is a schematic structural diagram of a cable processing system according to a fourth embodiment of the present invention, and as shown in fig. 4, the cable processing system includes: one or more processors 42; a memory 41 for storing one or more programs; a partial discharge test device 43, configured to perform a partial discharge test on the cable to be processed; when the one or more programs are executed by the one or more processors 42, the one or more processors 42 are caused to implement a cable processing method according to any embodiment of the present invention.
Wherein, the number of the processors 42 in the cable processing system may be one or more, and one processor 42 is taken as an example in fig. 4; the processor 42, the memory 41 and the partial discharge test apparatus 43 in the cable processing system may be connected by a bus or other means, and the connection by the bus is exemplified in fig. 4.
The memory 41, which is a computer-readable storage medium, may be used to store software programs, computer-executable programs, and modules. The processor 42 executes various functional applications of the cable processing system and data processing by executing software programs, instructions and modules stored in the memory 41, that is, implements the above-described cable processing method.
The memory 41 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the memory 41 may include high speed random access memory 41, and may also include non-volatile memory 41, such as at least one piece of disk memory 41, flash memory device, or other non-volatile solid state memory 41. In some examples, memory 41 may further include memory 41 located remotely from processor 42, and these remote memories 41 may be connected to the cable processing system through a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The partial discharge test device 43 is a device for performing a partial discharge test on a cable to be processed. In a particular embodiment, the partial discharge test device 43 comprises a partial discharge tester. The partial discharge tester is a new type of instrument developed and produced. The instrument has the advantages of high sensitivity, large dynamic range of an amplifier system, wide range of tested samples, simple and convenient operation and the like. The device adopts advanced anti-interference components and a unique door display circuit, has strong anti-interference capability and four high-frequency elliptical scans, and is suitable for the type and delivery test of high-voltage products, the research and test of new products, and the quantitative test of partial discharge of motors, transformers, cables, sleeves, capacitors, transformers, lightning arresters, switches and other high-voltage electrical appliances. Can be used in the field of manufacturing factories, scientific research departments and electric power departments.
In an alternative embodiment of the invention, the cable processing system further comprises a calibration unit 44, the calibration unit 44 being configured to calibrate the discharge amount for the cable to be processed. In a particular embodiment, the calibration unit 44 may include a partial discharge meter calibrator. In another specific embodiment, the calibration unit 44 and the partial discharge tester 43 are integrated in the same partial discharge tester.
In an optional embodiment of the present invention, the cable processing system further includes a high-frequency scanning oscilloscope 45, where the high-frequency scanning oscilloscope 45 is configured to scan the cable to be processed when the cable to be processed is subjected to the partial discharge test, so as to locate the defect, that is, a method of performing location measurement by using the high-frequency scanning oscilloscope 45 by using a traveling wave method and using propagation characteristics of partial discharge pulses on the cable. In one particular embodiment, the high frequency scanning oscilloscope 45 may be above 10 MHz. In addition, the high-frequency scanning oscilloscope 45 may be independent of the partial discharge testing apparatus 43, or may be integrated with the partial discharge testing apparatus 43 in the same device.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. A method of cable processing, comprising:
acquiring cable information of a cable to be processed;
acquiring cable test information generated by performing partial discharge test on a cable to be processed;
calling historical processing mode information with the maximum similarity in a cable historical processing database based on the cable information and the cable test information;
acquiring current processing mode information input based on the historical processing mode information and the cable test information;
and storing the cable information, the cable test information and the current processing mode information into the cable historical processing database in a correlated manner.
2. The cable processing method according to claim 1, wherein before acquiring the cable test information generated by performing the partial discharge test on the cable to be processed, the method further comprises:
acquiring cable proofreading information generated by the cable proofreading discharge amount to be processed;
the acquiring of the cable test information generated by the partial discharge test of the cable to be processed includes:
and acquiring cable test information generated by performing partial discharge test on the cable to be processed based on the cable checking information.
3. The cable processing method according to claim 2, wherein the obtaining of cable calibration information generated by calibrating discharge amount of the cable to be processed comprises:
and acquiring cable proofreading information generated by gradually proofreading the discharge amount of the cable to be detected from 10nC to 100pC according to a preset proofreading rule.
4. The cable processing method according to any one of claims 1 to 3, wherein after acquiring the cable test information generated by performing the partial discharge test on the cable to be processed, the method further comprises:
acquiring cable fault report information generated based on the cable test information, wherein the cable fault report information at least comprises cable defect position information;
the acquiring current processing mode information input based on the historical processing mode information and the cable test information includes:
and acquiring current processing mode information input based on the historical processing mode information and the cable fault report information.
5. The cable processing method according to any one of claims 1 to 3, wherein the associating the cable information, the cable test information, and the current processing manner information into the cable history processing database includes:
and correlating the cable information, the cable test information and the current processing mode information, classifying according to a preset classification numbering rule to form numbering data, and storing the numbering data into the cable historical processing database.
6. The cable processing method according to claim 5, wherein after the cable information, the cable test information, and the current processing mode information are associated and classified according to a preset classification numbering rule to form numbering data and then stored in the cable history processing database, the method further comprises:
obtaining return visit information input by returning visit of a cable to be processed;
and storing the return visit information into the corresponding serial number data.
7. The cable processing method of claim 1,
the acquiring of the cable test information generated by the partial discharge test of the cable to be processed includes:
and acquiring cable test information generated by partial discharge test after the test voltage is input to the cable to be processed based on a preset boosting test rule.
8. The cable processing method according to claim 7, wherein the cable information includes rated power frequency voltage information between a cable conductor and an insulation shield or a metal sheath;
and the preset boosting test rule comprises that rated power frequency voltages corresponding to rated power frequency voltage information of 0, 0.5, 0.7, 0.9, 1.0, 1.3, 1.5 and 1.7 times are input into the cable to be processed as the test voltage for partial discharge test.
9. The cable processing method according to claim 1, wherein the cable information includes at least one of cable model information, cable run information, scheduling number information, start point information, end point information, length information, joint number information, joint position information, rated power frequency voltage information between a cable conductor and an insulating shield layer or a metal sheath;
and/or the cable test information comprises initial voltage information, extinguishing voltage information, input test voltage and partial discharge pulse signal information under each test voltage;
and/or the processing mode information comprises at least one of situation description information of the defect, maintenance means information of the defect, processing process image information and image explanation information.
10. A cable processing system, characterized by: the method comprises the following steps:
one or more processors;
a memory for storing one or more programs;
the partial discharge testing device is used for performing partial discharge testing on the cable to be processed;
when executed by the one or more processors, cause the one or more processors to implement the cable processing method of any one of claims 1-9.
CN202111238777.8A 2021-10-25 2021-10-25 Cable processing method and system Pending CN113985226A (en)

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