CN113238127A - Composite insulator core rod aging characterization method based on three-dimensional multi-scale - Google Patents
Composite insulator core rod aging characterization method based on three-dimensional multi-scale Download PDFInfo
- Publication number
- CN113238127A CN113238127A CN202110490921.0A CN202110490921A CN113238127A CN 113238127 A CN113238127 A CN 113238127A CN 202110490921 A CN202110490921 A CN 202110490921A CN 113238127 A CN113238127 A CN 113238127A
- Authority
- CN
- China
- Prior art keywords
- core rod
- aging
- aging degree
- composite insulator
- axial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000032683 aging Effects 0.000 title claims abstract description 200
- 239000012212 insulator Substances 0.000 title claims abstract description 78
- 239000002131 composite material Substances 0.000 title claims abstract description 74
- 238000012512 characterization method Methods 0.000 title claims abstract description 18
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 8
- 238000004590 computer program Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009421 internal insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing 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
- G01R31/1227—Testing 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
- G01R31/1263—Testing 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 of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The utility model discloses a composite insulator plug ageing characterization method based on three-dimensional multiscale, including: obtaining a composite insulator middle core rod; measuring the axial aging degree and the annular aging degree of the core rod; cutting the core rods at equal intervals to obtain core rod slices; slicing according to the core rod to obtain the radial aging degree of the core rod; and obtaining the aging degree grade of the core rod according to the axial aging degree, the annular aging degree and the radial aging degree of the core rod. The aging degree of the composite insulator core rod is comprehensively evaluated by utilizing the axial aging degree, the annular aging degree and the radial aging degree of the core rod.
Description
Technical Field
The invention relates to the technical field of composite insulators, in particular to a three-dimensional multi-scale-based composite insulator core rod aging characterization method.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The silicon rubber composite insulator has the advantages of excellent anti-pollution flashover performance, high mechanical strength, low cost and the like, and is widely applied to ultrahigh voltage and extra-high voltage transmission lines. The silicon rubber composite insulator consists of a core rod, an umbrella skirt, a sheath and end accessories. The core rod is a structural component for bearing mechanical load and internal insulation of the composite insulator. As an important component for connecting a lead and a tower, once the composite insulator is broken, a disconnection accident is easily caused, and extremely adverse effects are caused on a power grid and public safety.
The aging of the composite insulator core rod refers to the phenomena that the core rod is subjected to epoxy resin degradation and glass fiber breakage under the combined action of partial discharge, acidic medium, current, environment and mechanical stress in the running process of the composite insulator. The mechanical property of the composite insulator core rod is gradually reduced due to aging of the composite insulator core rod, and the composite insulator core rod finally cannot bear normal load, so that the core rod is broken, the insulator is broken, and the safety and the stability of a power system are seriously threatened.
At present, the aging phenomenon of the composite insulator core rod occurs at home, but an effective method for representing the aging degree of the insulator core rod does not exist. The operation and maintenance personnel can not effectively evaluate the aging degree of the composite insulator core rod, so that blind replacement is caused, and unnecessary power failure and waste of a large amount of manpower and material resources are brought.
Disclosure of Invention
In order to solve the problems, the disclosure provides a three-dimensional multi-scale-based composite insulator core rod aging characterization method. And respectively measuring the axial aging degree, the annular aging degree and the radial aging degree of the core rod, representing the composite insulator core rod by using the axial aging degree, the annular aging degree and the radial aging degree of the core rod, and comprehensively evaluating the aging degree of the composite insulator core rod.
In order to achieve the purpose, the following technical scheme is adopted in the disclosure:
a composite insulator core rod aging characterization method based on three-dimensional multi-scale comprises the following steps:
obtaining a composite insulator middle core rod;
measuring the axial aging degree and the annular aging degree of the core rod;
cutting the core rods at equal intervals to obtain core rod slices;
slicing according to the core rod to obtain the radial aging degree of the core rod;
and obtaining the aging degree grade of the core rod according to the axial aging degree, the annular aging degree and the radial aging degree of the core rod.
Compared with the prior art, the beneficial effect of this disclosure is:
1. the axial aging degree, the annular aging degree and the radial aging degree of the core rod are respectively measured, the composite insulator core rod is characterized by the axial aging degree, the annular aging degree and the radial aging degree of the core rod, and the aging degree of the composite insulator core rod is comprehensively evaluated.
2. The aging degree of the composite insulator core rod is quantified, the aging degree of the composite insulator core rod is evaluated in a quantitative grading mode, the aging stage of the composite insulator core rod is determined, and a decision basis is provided for line operation and maintenance and insulator replacement.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a flow chart of a method disclosed in embodiment 1 of the present disclosure.
The specific implementation mode is as follows:
the present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.
Example 1
In order to realize the overall evaluation of the aging degree of the composite insulator core rod, the embodiment provides a three-dimensional multi-scale-based composite insulator core rod aging characterization method, which comprises the following steps:
obtaining a composite insulator middle core rod;
measuring the axial aging degree and the annular aging degree of the core rod;
cutting the core rods at equal intervals to obtain core rod slices;
slicing according to the core rod to obtain the radial aging degree of the core rod;
and obtaining the aging degree grade of the core rod according to the axial aging degree, the annular aging degree and the radial aging degree of the core rod.
Further, the core rod in the composite insulator is obtained in an anatomical mode.
Further, measuring the axial aging zone length of the core rod, wherein the axial aging zone length is the axial aging degree of the core rod.
Further, when measuring the annular aging degree, the axial aging area of the core rod is divided into axial areas, a plurality of annular aging degree measuring sections are obtained, the annular aging area length of each annular aging degree measuring section is measured, and the maximum value is selected from the plurality of annular aging area lengths to be the annular aging area length of the core rod.
Further, axial position calibration is carried out along an axial aging area of the core rod, and a core rod section at the axial position calibration position is an annular aging degree measuring section.
And further, cutting the core rod at equal intervals along the axial position calibration position of the core rod to obtain a core rod slice.
Furthermore, when the core rod slices are cut at equal intervals, the end surfaces of the core rod slices are perpendicular to the axis of the core rod.
Furthermore, when the mandril is cut at equal intervals, the mandril is cooled.
Further, the length of the maximum radial aging area of each core rod slice is measured, and the maximum value is selected from all the lengths of the maximum radial aging areas as the radial aging degree of the core rod.
Further, the proportion of the axial aging degree of the core rod in the axial direction of the core rod, the proportion of the annular aging degree of the core rod in the annular direction of the core rod and the proportion of the radial aging degree of the core rod in the radial direction of the core rod are respectively calculated, the proportion of the axial aging degree of the core rod in the axial direction of the core rod, the proportion of the annular aging degree of the core rod in the annular direction of the core rod and the proportion of the radial aging degree of the core rod in the radial direction of the core rod are comprehensively considered, and the aging degree grade of the core rod is obtained.
The method for characterizing the aging of the composite insulator core rod based on three-dimensional multi-scale disclosed by the embodiment is explained in detail.
As shown in fig. 1, the method for characterizing the aging of the composite insulator core rod based on three-dimensional multi-scale disclosed in this embodiment includes:
s1: and obtaining the composite insulator middle core rod.
When the method is specifically implemented, a knife sharp instrument with a size convenient to operate is used for dissecting along the surface of the composite insulator core rod, all the silicon rubber umbrella skirt sheaths are removed, the core rod is exposed, and the surface of the core rod cannot be damaged in the dissecting process.
S2: and measuring the axial aging degree and the annular aging degree of the core rod.
In specific implementation, the axial aging region length of the mandrel is obtained by measuring the axial aging region length of the mandrel in the axial direction by using a measuring tape in S1, and the axial aging degree L is obtained according to the axial aging region length of the mandrel.
When measuring the annular aging degree of the mandrel, drawing a marking line along the axial direction for the mandrel obtained in S1, carrying out position calibration on the axial aging area of the mandrel by using a paper slip with the width of 5mm and the length not less than the circumference of the mandrel, attaching one end of the paper slip to the marking line from the aging initial position of the mandrel at the high-pressure side, and attaching one paper slip to the marking line at intervals of 5mm along the axial direction until the aging area is finished.
The method comprises the steps of enabling paper slips with the positions calibrated to cling to the surface of a core rod for surrounding the core rod for a circle, marking an aging area range in the circumferential direction, enabling the marked range to include and only include a circumferential aging area, setting a core rod section at each paper slip as a circumferential aging degree measuring section of the core rod, measuring the length of the circumferential aging area in each circumferential aging degree measuring section, and taking the maximum value of the length of the circumferential aging area in all the calibrated positions as the circumferential aging degree W.
S3: and cutting the core rod at equal intervals to obtain core rod slices.
In specific implementation, the mandrel is cut at equal intervals in a manner of being perpendicular to the axis of the mandrel at the position calibration of S3 by using a cutting tool such as an angle grinder, and the sliced mandrel with the same thickness is obtained. Water is sprayed in the cutting process to cool the core rod, so that the cross section is prevented from being overheated and carbonized, and the aging appearance of the cross section of the core rod slice is prevented from being damaged.
Horizontally placing the core rod slices obtained after cutting the core rods at equal intervals on a table top, and wiping the cross sections of the slices by using a wet paper towel; the aged zone will appear darker in color than the normal zone of the mandrel; and measuring the length of the widest part of the aging area on the section of the core rod slice by using a measuring tool such as a caliper, wherein the length is the length of the maximum radial aging area of the core rod slice, and the maximum length of the maximum radial aging area in all the core rod slices is taken as the radial aging degree D of the core rod.
S4: and obtaining the aging degree grade of the core rod according to the axial aging degree, the annular aging degree and the radial aging degree of the core rod.
In specific implementation, the proportion of the axial aging degree of the mandrel along the axial direction of the mandrel, the proportion of the circumferential aging degree of the mandrel along the circumferential direction of the mandrel and the proportion of the radial aging degree of the mandrel along the radial direction of the mandrel are respectively calculated, the proportion of the axial aging degree of the mandrel along the axial direction of the mandrel, the proportion of the circumferential aging degree of the mandrel along the circumferential direction of the mandrel and the proportion of the radial aging degree of the mandrel along the radial direction of the mandrel are comprehensively considered, and the aging degree grade of the mandrel is obtained.
The ageing degree of the core rod is divided into I-VI grades, wherein the I grade is a normal core rod, the ageing degree gradually increases from the II grade to the VI grade, and the VI grade is the most serious. The aging degree grade of the core rod is judged according to the table 1, and when the aging degrees of all dimensions belong to different aging grades, the core rod is divided according to the most serious grade.
TABLE 1 grading criteria for core rod aging
By using the three-dimensional multi-scale composite insulator core rod aging characterization method disclosed by the embodiment, the aging degrees of the 500kV composite insulator core rod and the 220kV composite insulator core rod are judged.
And respectively obtaining the 500kV composite insulator middle core rod and the 220kV composite insulator middle core rod through S1.
The method comprises the steps of respectively measuring the axial aging degree and the annular aging degree of a 500kV composite insulator middle core rod and a 220kV composite insulator middle core rod through S2, when the annular aging degree is measured, respectively carrying out position calibration on the 500kV composite insulator middle core rod and the 220kV composite insulator middle core rod, enabling paper strips with the position calibration to cling to the core rod surface to surround the core rod for one circle, marking the aging area range in the annular direction, setting the core rod section at each paper strip position as an annular aging degree measuring section of the core rod, measuring the annular aging area length in each annular aging degree measuring section, taking the maximum value of the annular aging area length in all the calibration positions as the annular aging degree W, and obtaining that the annular aging degree W of the 500kV composite insulator middle core rod is 54mm and the annular aging degree W of the 220kV composite insulator middle core rod is 9.8mm through measurement.
The axial aging degree of the core rod in the 500kV composite insulator and the axial aging degree of the core rod in the 220kV composite insulator are respectively measured by using a measuring tape, the axial aging degree L of the core rod in the 500kV composite insulator is 1179mm, and the axial aging degree L of the core rod in the 220kV composite insulator is 176.6 mm.
And respectively measuring the radial aging degree of the 500kV composite insulator middle core rod and the 220kV composite insulator middle core rod through S3.
When the radial aging degree is measured, the core rods are cut at equal intervals along the calibration positions of the core rods, the lengths of the maximum radial aging areas of the obtained core rod slices are respectively measured, the radial aging degree with the maximum value as the core rod is selected from all the lengths of the maximum radial aging areas, the radial aging degree D of the core rod in the 500kV composite insulator is measured to be 8.5mm, and the radial aging degree D of the core rod in the 220kV composite insulator is measured to be 1.6mm.
Because the total length 4120mm, the circumference 88mm and the diameter 28mm of the 500kV composite insulator core rod are measured, the axial aging degree of the 500kV composite insulator core rod is in proportion along the axial direction of the core rod, the circumferential aging degree of the core rod is in proportion along the circumferential direction of the core rod, and the radial aging degree of the core rod is in proportion along the radial direction of the core rod, respectively:
the total length of the mandrel L/mandrel was 28.6%, the circumference of the mandrel W/mandrel was 61.3%, and the diameter of the mandrel D/mandrel was 30.3%, and the degree of aging of the 500kV mandrel was rated v according to the method for judging the degree of aging of the mandrel (table 1).
The total length of the 220kV composite insulator core rod is 2150mm, the perimeter is 57mm, and the diameter is 18mm, so the axial aging degree of the 220kV composite insulator core rod is calculated along the axial direction of the core rod, the circumferential aging degree of the core rod is calculated along the circumferential direction of the core rod, and the radial aging degree of the core rod is calculated along the radial direction of the core rod as follows:
the total length of the mandrel bar L/mandrel bar was 8.21%, the circumference of the mandrel bar W/mandrel bar was 17.2%, and the diameter of the mandrel bar D/mandrel bar was 8.9%, and the grade of the degree of aging of the 220kV mandrel bar was class iii according to the method for judging the degree of aging of the mandrel bar (table 1).
Therefore, according to the method for representing the aging of the composite insulator core rod based on the three-dimensional multi-scale disclosed by the embodiment, based on the measurement results of the axial aging area, the annular aging area and the radial aging area of the core rod, the aging degree of the core rod is comprehensively evaluated according to the proportion of the aging area on the three-dimensional scale, the characteristic information of the aged core rod is effectively extracted, the aging degree of the core rod is quantified, the aging degree of the composite insulator core rod is quantitatively and hierarchically evaluated, the aging stage of the composite insulator core rod is determined, and a decision basis is provided for line operation and maintenance and insulator replacement.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. A three-dimensional multi-scale based composite insulator core rod aging characterization method is characterized by comprising the following steps:
obtaining a composite insulator middle core rod;
measuring the axial aging degree and the annular aging degree of the core rod;
cutting the core rods at equal intervals to obtain core rod slices;
slicing according to the core rod to obtain the radial aging degree of the core rod;
and obtaining the aging degree grade of the core rod according to the axial aging degree, the annular aging degree and the radial aging degree of the core rod.
2. The three-dimensional multi-scale-based composite insulator core rod aging characterization method of claim 1, wherein the core rod in the composite insulator is obtained in an anatomical manner.
3. The three-dimensional multi-scale-based composite insulator core rod aging characterization method of claim 1, wherein an axial aging region length of the core rod is measured, and the axial aging region length is an axial aging degree of the core rod.
4. The three-dimensional multi-scale composite insulator core rod aging characterization method based on claim 1 is characterized in that when measuring the annular aging degree, the axial aging area of the core rod is divided into a plurality of annular aging degree measuring sections by axial area division, the annular aging area length of each annular aging degree measuring section is measured, and the maximum value is selected from the plurality of annular aging area lengths to be the annular aging area length of the core rod.
5. The three-dimensional multi-scale-based composite insulator core rod aging characterization method of claim 4, wherein axial position calibration is performed along an axial aging region of the core rod, and a core rod section at the axial position calibration is an annular aging degree measurement section.
6. The three-dimensional multi-scale-based composite insulator core rod aging characterization method of claim 4, wherein the core rod is cut at equal intervals along the axial position calibration position of the core rod to obtain core rod slices.
7. The three-dimensional multi-scale-based composite insulator core rod aging characterization method of claim 1, wherein when the core rod slices are cut at equal intervals, the end faces of the core rod slices are perpendicular to the axis of the core rod.
8. The three-dimensional multi-scale-based composite insulator core rod aging characterization method of claim 1, wherein when the core rod is cut at equal intervals, the core rod is subjected to cooling treatment.
9. The three-dimensional multi-scale-based composite insulator core rod aging characterization method of claim 1, wherein the maximum radial aging region length of each core rod slice is measured, and the maximum value is selected from all the maximum radial aging region lengths as the radial aging degree of the core rod.
10. The three-dimensional multi-scale composite insulator core rod aging characterization method according to claim 1, characterized in that the ratio of the axial aging degree of the core rod in the axial direction of the core rod, the ratio of the circumferential aging degree of the core rod in the circumferential direction of the core rod, and the ratio of the radial aging degree of the core rod in the radial direction of the core rod are calculated respectively, and the aging degree grade of the core rod is obtained by comprehensively considering the ratio of the axial aging degree of the core rod in the axial direction of the core rod, the ratio of the circumferential aging degree of the core rod in the circumferential direction of the core rod, and the ratio of the radial aging degree of the core rod in the radial direction of the core rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110490921.0A CN113238127A (en) | 2021-05-06 | 2021-05-06 | Composite insulator core rod aging characterization method based on three-dimensional multi-scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110490921.0A CN113238127A (en) | 2021-05-06 | 2021-05-06 | Composite insulator core rod aging characterization method based on three-dimensional multi-scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113238127A true CN113238127A (en) | 2021-08-10 |
Family
ID=77132114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110490921.0A Pending CN113238127A (en) | 2021-05-06 | 2021-05-06 | Composite insulator core rod aging characterization method based on three-dimensional multi-scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113238127A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791322A (en) * | 2021-09-07 | 2021-12-14 | 国网山东省电力公司电力科学研究院 | Composite insulator core rod aging degree evaluation method and system |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007292462A (en) * | 2006-03-30 | 2007-11-08 | Exsym Corp | Insulation deterioration diagnostic method for power cable |
| CN104764708A (en) * | 2014-12-10 | 2015-07-08 | 广西电网有限责任公司河池供电局 | Evaluation method for ageing state of composite insulator |
| CN105486240A (en) * | 2015-12-31 | 2016-04-13 | 中国石油天然气股份有限公司 | Corrosion morphology quantitative detection method of outer wall of pipeline |
| CN106248917A (en) * | 2016-08-03 | 2016-12-21 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of power station equipment liquid silastic aging assessment |
| CN106644809A (en) * | 2016-11-10 | 2017-05-10 | 广东电网有限责任公司电力科学研究院 | Method for measuring aging depth rang of composite insulator umbrella skirt material |
| CN108153939A (en) * | 2017-12-05 | 2018-06-12 | 广东核电合营有限公司 | Pipe lining rubber aging tendency analysis method, device, storage medium and computer equipment |
| CN109164036A (en) * | 2018-08-31 | 2019-01-08 | 国网陕西省电力公司电力科学研究院 | A kind of degree of aging of silastic material determines method and apparatus |
| CN109521037A (en) * | 2018-11-28 | 2019-03-26 | 武汉大学 | Silicon rubber aging depth quantitative detecting method based on section elemental analysis |
| CN109781614A (en) * | 2019-03-29 | 2019-05-21 | 云南电网有限责任公司电力科学研究院 | A kind of method for comprehensive detection of composite insulator degree of aging |
| CN109900699A (en) * | 2019-03-27 | 2019-06-18 | 国网湖南省电力有限公司 | Method is determined based on the degree of aging of composite insulator powdering grading |
| CN110018402A (en) * | 2019-04-18 | 2019-07-16 | 国网山东省电力公司电力科学研究院 | A kind of analog insulation sublist face RTV coating deteriorates the pollution flashover test method of aging |
-
2021
- 2021-05-06 CN CN202110490921.0A patent/CN113238127A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007292462A (en) * | 2006-03-30 | 2007-11-08 | Exsym Corp | Insulation deterioration diagnostic method for power cable |
| CN104764708A (en) * | 2014-12-10 | 2015-07-08 | 广西电网有限责任公司河池供电局 | Evaluation method for ageing state of composite insulator |
| CN105486240A (en) * | 2015-12-31 | 2016-04-13 | 中国石油天然气股份有限公司 | Corrosion morphology quantitative detection method of outer wall of pipeline |
| CN106248917A (en) * | 2016-08-03 | 2016-12-21 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of power station equipment liquid silastic aging assessment |
| CN106644809A (en) * | 2016-11-10 | 2017-05-10 | 广东电网有限责任公司电力科学研究院 | Method for measuring aging depth rang of composite insulator umbrella skirt material |
| CN108153939A (en) * | 2017-12-05 | 2018-06-12 | 广东核电合营有限公司 | Pipe lining rubber aging tendency analysis method, device, storage medium and computer equipment |
| CN109164036A (en) * | 2018-08-31 | 2019-01-08 | 国网陕西省电力公司电力科学研究院 | A kind of degree of aging of silastic material determines method and apparatus |
| CN109521037A (en) * | 2018-11-28 | 2019-03-26 | 武汉大学 | Silicon rubber aging depth quantitative detecting method based on section elemental analysis |
| CN109900699A (en) * | 2019-03-27 | 2019-06-18 | 国网湖南省电力有限公司 | Method is determined based on the degree of aging of composite insulator powdering grading |
| CN109781614A (en) * | 2019-03-29 | 2019-05-21 | 云南电网有限责任公司电力科学研究院 | A kind of method for comprehensive detection of composite insulator degree of aging |
| CN110018402A (en) * | 2019-04-18 | 2019-07-16 | 国网山东省电力公司电力科学研究院 | A kind of analog insulation sublist face RTV coating deteriorates the pollution flashover test method of aging |
Non-Patent Citations (3)
| Title |
|---|
| 彭向阳等: "应用显微红外法的硅橡胶复合绝缘子伞裙老化深度研究", 《电网技术》 * |
| 沈浩: "复合绝缘子酥朽断裂中芯棒环氧树脂降解机理探究", 《中国优秀博硕士学位论文全文数据库(硕士)工程科技Ⅱ辑》 * |
| 祝晋尧: "基于FTIR的复合绝缘子老化特性评估方法", 《中国优秀博硕士学位论文全文数据库(硕士)工程科技Ⅱ辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791322A (en) * | 2021-09-07 | 2021-12-14 | 国网山东省电力公司电力科学研究院 | Composite insulator core rod aging degree evaluation method and system |
| CN113791322B (en) * | 2021-09-07 | 2024-03-08 | 国网山东省电力公司电力科学研究院 | Composite insulator core rod aging degree evaluation method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107727662B (en) | Battery piece EL black spot defect detection method based on region growing algorithm | |
| CN113238127A (en) | Composite insulator core rod aging characterization method based on three-dimensional multi-scale | |
| CN110967602B (en) | Composite insulator aging degree evaluation method, device, equipment and storage medium | |
| CN108508337A (en) | Dielectric analysis method for assessing XLPE cable insulation ag(e)ing state | |
| CN111611545B (en) | Cable aging state assessment method and device based on principal component analysis and logistic regression | |
| CN112557842A (en) | XLPE cable aging state evaluation method based on dielectric constant evaluation factor | |
| CN111783344B (en) | Method for simulating and analyzing cable defects based on magnetic field distribution characteristics | |
| GB2616952A (en) | Multifractal quantitative characterization method for concrete multiple crack evolution | |
| CN105922310B (en) | A kind of microsection manufacture device of power distribution network cable cross-linking polyethylene layer | |
| CN113791322B (en) | Composite insulator core rod aging degree evaluation method and system | |
| CN115815474B (en) | Low-voltage wire and intelligent processing system thereof | |
| CN103901327A (en) | Detection method used for partial discharge of 10KV distribution network XLPE cable | |
| CN111650486A (en) | Method for judging alternating current flashover discharge of ice-coated insulator | |
| CN116297229A (en) | Method for detecting aging degree of crosslinked polyethylene insulating material based on yellow degree evolution | |
| CN205989354U (en) | A kind of microsection manufacture device of power distribution network cable cross-linking polyethylene layer | |
| CN111707481B (en) | Method for measuring cord thread arrangement stability after tire fiber cord fabric electron irradiation | |
| Sarma et al. | Accelerated ageing tests on polymeric cables using water-filled tanks-a critical review | |
| CN109065266B (en) | Method for processing superconducting strip | |
| CN110109195B (en) | Lightning approach prediction method based on radar and sounding data | |
| CN104865144A (en) | Composite insulator operating state determining method | |
| CN115248223B (en) | X-ray diffraction method-based crosslinked polyethylene cable insulation quality detection method | |
| CN114034632B (en) | Method for measuring ageing degree of silicone rubber material | |
| CN109900636A (en) | A kind of coating and insulator bonding plane adhesive force method for quantitative measuring | |
| CN115047915A (en) | Method, device and system for inspecting composite insulator by unmanned aerial vehicle | |
| CN218018642U (en) | Round knife for tire slitting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210810 |
|
| RJ01 | Rejection of invention patent application after publication |