CN106199361B - GIS equipment solid insulation multifactor aging test platform - Google Patents
GIS equipment solid insulation multifactor aging test platform Download PDFInfo
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- CN106199361B CN106199361B CN201610808495.XA CN201610808495A CN106199361B CN 106199361 B CN106199361 B CN 106199361B CN 201610808495 A CN201610808495 A CN 201610808495A CN 106199361 B CN106199361 B CN 106199361B
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- 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
- G01R31/1245—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 line insulators or spacers, e.g. ceramic overhead line cap insulators; of insulators in HV bushings
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- 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
- G01R31/1254—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 gas-insulated power appliances or vacuum gaps
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Abstract
The embodiment of the invention discloses a GIS equipment solid insulation multi-factor aging test platform, which is used for solving the problem that only a service life evaluation method of an insulator is theoretically provided in the prior art, and a specific implementable test scheme design is not provided. The embodiment of the invention comprises the following steps: the device comprises a current booster, a main loop and GIS equipment; the platform is of a double-layer structure, wherein the upper layer and the lower layer are in fit connection in the double-layer structure, and the upper layer and the lower layer are identical in structure; one layer of the double-layer structure is formed by sequentially connecting a current rising device, a main loop and GIS equipment to form an annular structure; the platform is also provided with a sleeve which is connected with the current riser.
Description
Technical Field
The invention relates to the field of evaluation and assessment of use conditions of electric appliances and related equipment, in particular to a solid insulation multi-factor aging test platform of GIS equipment.
Background
The main material of the solid insulating part is epoxy resin, and the solid insulating part needs to bear the combined action of various factors such as high voltage, high temperature, vibration and the like in the actual operation working condition, and the aging mainly comprises electrical aging and thermal aging. According to the operation experience, in all GIS fault operation examples, the fault rate caused by the insulator and the isolating switch is the highest, wherein the fault rate of the insulator is as high as 26.6%. At present, GIS in China has hundreds of thousands of intervals, and the number of the related operating insulators is huge. For an insulator with a certain operation age, whether the insulator can continue to operate or not is a problem to be solved urgently, and if the insulator can continue to operate, how to evaluate the insulation aging state and the residual service life of the insulator is needed.
Chinese patent application No. 201510600294.6 application date 2015.09.17 discloses an insulator life evaluation method based on artificial accelerated aging test, which analyzes experimental data by measuring characteristic quantities of a plurality of epoxy resin samples at different degrees, utilizes the existing empirical formula, and adopts a curve fitting technology and a Weibull probability distribution method to research the internal relation among various aging factors, electrical test quantities and aging life.
Disclosure of Invention
The embodiment of the invention discloses a GIS equipment solid insulation multi-factor aging test platform, which is used for solving the problem that only a service life evaluation method of an insulator is theoretically provided in the prior art, and a specific implementable test scheme design is not provided.
The embodiment of the invention provides a GIS equipment solid insulation multi-factor aging test platform, which comprises a current booster, a main loop and GIS equipment;
the platform is of a double-layer structure, wherein the upper layer and the lower layer are in fit connection in the double-layer structure, and the upper layer and the lower layer are identical in structure;
one layer of the double-layer structure is formed by sequentially connecting a current rising device, a main loop and GIS equipment to form an annular structure;
the platform is also provided with a sleeve which is connected with the current riser.
Optionally, the main circuit includes an isolation and grounding combination switch, an insulator and a detachable bus, which are connected in sequence.
Optionally, the GIS device is provided with a window, and glass is mounted on the window.
Optionally, the glass is a chalcogenide glass transmitting 8 to 14 μm infrared rays.
Optionally, the detachable bus bar further comprises a bellows.
Optionally, the insulator is of a gate structure.
Optionally, the total number of the isolation and grounding combination switches is two, and the isolation and grounding combination switches are respectively arranged at one end of the current booster and one end of the GIS device.
Optionally, the platform is further provided with a mobile infrared thermometer, and the mobile infrared thermometer is connected with the GIS device in a non-contact manner.
According to the technical scheme, the embodiment of the invention has the following advantages:
the embodiment of the invention provides a GIS equipment solid insulation multi-factor aging test platform, which comprises: the system comprises a current booster, a main loop and GIS equipment; the platform is of a double-layer structure, wherein the upper layer and the lower layer are in fit connection in the double-layer structure, and the upper layer and the lower layer are identical in structure; one layer of the double-layer structure is formed by sequentially connecting a current rising device, a main loop and GIS equipment to form an annular structure; the platform is also provided with a sleeve which is connected with the current riser. In this embodiment, GIS equipment solid insulation multifactor aging test platform can realize the comprehensive aging test of insulator under electric field, temperature, vibration three factors combined action simultaneously, the actual operation behavior of simulation insulator that can be comparatively accurate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a structural lower layer top view of a GIS device solid insulation multi-factor aging test platform provided in an embodiment of the present invention;
fig. 2 is a structural front view of a GIS device solid insulation multi-factor aging test platform provided in an embodiment of the present invention;
illustration of the drawings: a grounding combination switch 1; a main circuit 2; an insulator 3; a detachable bus bar 4; glass 5; a mobile infrared thermometer 6; a sleeve 7; a current riser 8.
Detailed Description
The embodiment of the invention discloses a GIS equipment solid insulation multi-factor aging test platform, which is used for solving the problem that only a service life evaluation method of an insulator is theoretically provided in the prior art, and a specific implementable test scheme design is not provided.
The technical solutions in the embodiments of the present invention are described in detail and clearly with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of a solid insulation multi-factor aging test platform for a GIS device according to an embodiment of the present invention includes: the current booster 8, the main loop 2 and the GIS equipment;
the platform is of a double-layer structure, wherein the upper layer and the lower layer are in fit connection in the double-layer structure, and the upper layer and the lower layer are identical in structure;
one layer of the double-layer structure is formed by sequentially connecting a current rising device 8, a main loop 2 and GIS equipment to form an annular structure;
the platform is also provided with a sleeve 7, and the sleeve 7 is connected with a current riser 8.
Preferably, the main loop 2 comprises an isolation grounding combination switch 1, an insulator 3 and a detachable bus 4 which are connected in sequence;
in the embodiment, the general position of the insulator 3 with problems can be quickly positioned through the arranged isolating switch 1; the detachable bus 4 is arranged, so that the problem insulator 3 is convenient to replace.
Preferably, the GIS device is provided with a window, on which a glass 5 is mounted.
Preferably, the glass is a chalcogenide glass 5 transmitting 8-14 μm infrared rays;
in this embodiment, the temperature of the bus in the device can be measured by using the movable infrared thermometer 6 for the chalcogenide glass 5 that transmits infrared rays.
Preferably, the detachable bus bar 4 further comprises a bellows;
in this embodiment, the bellows is provided to absorb the installation error and the amount of expansion with heat and contraction with cold during the test.
Preferably, the insulator 3 is a gate structure;
in this embodiment, through the special runner design on the insulator 3, can directly utilize portable partial discharge tester to fix a position experimental unqualified insulator 3, realize quick accurate location.
Preferably, the two isolation grounding combination switches 1 are respectively arranged at one end of the current booster 8 and one end of the GIS device.
Preferably, the platform is further provided with a movable infrared thermometer 6, and the movable infrared thermometer 6 is in non-contact connection with the GIS equipment;
in the embodiment, the movable infrared thermometer is utilized, so that the temperature of the equipment can be conveniently detected by workers, the cost of the equipment is saved, and the safety of detection is improved due to non-contact connection.
In the above description, the structure of the solid insulation multi-factor aging test platform for the GIS device provided in this embodiment is described in detail, and the following description will further describe an embodiment of the present invention by using an application method, referring to fig. 1 and fig. 2, where an application example of the solid insulation multi-factor aging test platform for the GIS device provided in the present invention includes:
when the test is carried out, the step-up transformer is connected to the sleeve 7 to apply voltage, and the current booster 8 applies required current, so that the multi-factor examination of electric field, temperature and vibration is realized. During testing, the temperature of the bus can be detected by the infrared thermometer 6 penetrating through the infrared-transmitting glass 5, so that the checking temperature of the insulator 3 can be accurately known.
When the test is abnormal, the isolation grounding combination switch 1 is used for cutting off part of the insulator 3, voltage is applied to the platform, and the general position of the abnormal insulator 3 is positioned. After the general position is positioned, a portable partial discharge detector is used for positioning the specific abnormal basin-type insulator at the gate position of the insulator 3, then accurate disassembly and replacement are carried out, then a test is continuously carried out, and finally a series of test data related to the flashover voltage of the insulator 3, the initial voltage of the partial discharge exceeding a standard value and action factors such as current, voltage and vibration are obtained, on the basis, the internal relation of various aging factors, the aging state evaluation of the insulator 3 and the residual life evaluation is researched by using an empirical formula and a related method, so that the method can be applied to the evaluation of the aging state and the residual life of the insulator 3 in an actual operation power station.
The above detailed description is provided for the solid insulation multi-factor aging test platform of the GIS device, and for those skilled in the art, according to the idea of the embodiment of the present invention, there may be changes in the specific implementation and application scope.
Claims (6)
1. A GIS equipment solid insulation multi-factor aging test platform is characterized by comprising a current rising device, a main loop and GIS equipment;
the platform is of a double-layer structure, wherein the upper layer and the lower layer are in fit connection in the double-layer structure, and the upper layer and the lower layer are identical in structure;
one layer of the double-layer structure is formed by sequentially connecting a current rising device, a main loop and GIS equipment to form an annular structure; the main loop comprises an isolation grounding combination switch, an insulator and a detachable bus which are connected in sequence;
the platform is also provided with a movable infrared thermometer, and the movable infrared thermometer is connected with the GIS equipment in a non-contact manner;
the platform is also provided with a sleeve which is connected with the current riser.
2. The GIS device solid insulation multifactor aging test platform of claim 1, wherein the GIS device is provided with a window, and glass is mounted on the window.
3. The GIS device solid insulation multifactor aging test platform of claim 2, wherein the glass is a chalcogenide glass that transmits 8-14 μm infrared rays.
4. The GIS device solid insulation multifactor aging test platform of claim 1, wherein the detachable bus further comprises a bellows.
5. The GIS device solid insulation multifactor aging test platform of claim 1, wherein the insulator is a gate structure.
6. The GIS device solid insulation multifactor aging test platform of claim 1, wherein there are two isolation grounding combination switches respectively disposed at each end of the current booster and the GIS device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610808495.XA CN106199361B (en) | 2016-09-07 | 2016-09-07 | GIS equipment solid insulation multifactor aging test platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610808495.XA CN106199361B (en) | 2016-09-07 | 2016-09-07 | GIS equipment solid insulation multifactor aging test platform |
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| CN106199361A CN106199361A (en) | 2016-12-07 |
| CN106199361B true CN106199361B (en) | 2020-11-17 |
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| CN112540272B (en) * | 2020-11-23 | 2024-04-02 | 重庆大学 | GIS equipment mechanical vibration abnormal sound defect simulation system and method |
| CN113933009A (en) * | 2021-11-09 | 2022-01-14 | 广东电网有限责任公司电力科学研究院 | Variable-temperature three-post insulator vibration simulation testing device |
| CN115994427B (en) * | 2023-03-22 | 2023-06-06 | 江苏大全长江电器股份有限公司 | GIS switch cabinet manufacturing optimization method and system based on life assessment |
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| CN202404212U (en) * | 2012-01-09 | 2012-08-29 | 云南电力试验研究院（集团）有限公司电力研究院 | Complete set of gas insulated switchgear (GIS) test section device for electric power |
| CN103558509B (en) * | 2013-10-30 | 2016-04-13 | 北京交大创新科技中心 | The online Fault Locating Method of a kind of electric transmission line isolator based on zigbee |
| CN104597425B (en) * | 2015-01-21 | 2019-06-14 | 国家电网公司 | One kind being suitable for GIS electronic mutual inductor and charges evaluating platform |
| CN204789885U (en) * | 2015-06-30 | 2015-11-18 | 国家电网公司 | A analogue means for GIS infrared detection method |
| CN205539235U (en) * | 2016-01-25 | 2016-08-31 | 云南电网有限责任公司电力科学研究院 | Composite insulator aging testing device |
| CN206020593U (en) * | 2016-09-07 | 2017-03-15 | 广东电网有限责任公司电力科学研究院 | A kind of GIS device solid insulation multi-stress aging test platform |
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Effective date of registration: 20200302 Address after: 510080 Dongfeng East Road, Dongfeng, Guangdong, Guangzhou, Zhejiang Province, No. 8 Applicant after: Electric Power Research Institute of Guangdong Power Grid Co.,Ltd. Address before: 510080 Dongfeng East Road, Dongfeng, Guangdong, Guangzhou, Zhejiang Province, No. 8 Applicant before: Electric Power Research Institute of Guangdong Power Grid Co.,Ltd. Applicant before: Shandong Taikai High-volt Switch Co., Ltd |
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