CN108375721A - A kind of GIS interior insulators air blister defect model - Google Patents
A kind of GIS interior insulators air blister defect model Download PDFInfo
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- CN108375721A CN108375721A CN201810123243.2A CN201810123243A CN108375721A CN 108375721 A CN108375721 A CN 108375721A CN 201810123243 A CN201810123243 A CN 201810123243A CN 108375721 A CN108375721 A CN 108375721A
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- shell
- insulator
- gis
- blister defect
- air blister
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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
- G01R31/20—Preparation of articles or specimens to facilitate testing
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- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The present invention relates to a kind of GIS interior insulators air blister defect model, which includes：Inside contains bladdery insulator, shell, window glass and trim ring, the insulator is positioned in shell, the one side of insulator face is equipped with window on the shell, the window glass is covered on window and is tightly fastened on shell by trim ring, and SF6 gases are injected in the shell.Compared with prior art, the present invention has many advantages, such as applied widely, simple and convenient.
Description
Technical field
The present invention relates in high-tension electricity apparatus field, more particularly, to a kind of GIS interior insulators air blister defect model.
Background technology
UHV transmission technology plays the part of particularly important role in future world energy pattern, before having wide development
Scape keeps electric energy transmission and distribution more convenient, more efficient.Development UHV transmission technology is included in Long-and Medium-term Development planning by China
In, extra-high voltage electrical equipment is greatly developed, extra-high voltage project project is promoted.Gas-insulated metal as extra-high voltage key equipment
Sealing switch equipment GIS, due to crowds such as its floor space is small, safer, more controllable, environmentally friendly, easy to maintain, long lifespans
More advantages, are more and more widely used in current electric grid operation.Related data shows due to GIS accidents
Caused by have a power failure and associated loss, have generation every year, and in GIS device failure, situation big absolutely is due to disconnecting switch and basin
Caused by the failure of formula insulator, main cause is ageing failure, designs the factors such as unreasonable, defective mounting, off quality
It is caused.The failure of insulator causes surface-discharge, and causes insulator that flashover occurs, and causes the accident.Cause insulator arc-over
Typical types have surface defect, floating potential, semiconductor dust, interior insulator bubble etc..
Detection GIS insulator arc-over main methods are superfrequency detection method, supersonic testing method, pulse current method, purple at present
Outer light detection method.Wherein, superfrequency detection method has certain anti-interference ability, but can not be accurately positioned.Supersonic testing method
Measurement range is limited, and anti-interference ability is weak, but easy to operate.Pulse current method can accurately measure discharge capacity, but be unsuitable for
Large-scale application.Ultraviolet light detection method, as live detection new technology, development is very rapid, has clean background, almost
It is not interfered by external condition, accurate positioning, measurement sensitivity is high, but for interior insulator air blister defect, caused electric discharge
It can be detected, much discharge capacities can be detected, and there is presently no correlative studys.Therefore it establishes in a GIS insulator
The model of portion's air blister defect studies its flash-over characteristic, the evolution between discharge capacity size and flashover, to ultraviolet detection method
Important in inhibiting is applied in terms of GIS live detections, while also to the safe operation important in inhibiting of GIS device.
By retrieval, China Patent Publication No. is that CN102692587B discloses a kind of Simulated GlS internal discharge and detection
Method, the invention use the discharging model of multiple and different types, move each discharging model respectively, then apply electricity on busbar
Pressure, discharging model generate electric discharge when being located in electric discharge cylinder, different type discharging model generates different electric discharge types；Adjustment is each
The distance between discharging model and busbar make the strength of discharge of the discharging model change；What is generated in detection electric discharge cylinder puts
Electric type and intensity；Record the distance between each discharging model and busbar, voltage strength and testing result；In research and teaching such as
When need to generate the electric discharge type and intensity, each discharging model is adjusted to corresponding position, inputs corresponding voltage intensity, you can is real
It is existing.The invention can facilitate the simulation for realizing a variety of discharge scenarios, electric discharge type easy switching to improve GIS electric discharge researchs
Convenience, while also reducing research cost..But the model of the invention only supports electric pulse, ultrasonic wave, high-frequency local discharging
Detection is not suitable for ultraviolet detector method.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of GIS interior insulators
Air blister defect model.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of GIS interior insulators air blister defect model, which is characterized in that the model includes internal containing bladdery insulation
Son, shell, window glass and trim ring, the insulator are positioned in shell, the one side of insulator face on the shell
Equipped with window, the window glass is covered on window and is tightly fastened on shell by trim ring, is noted in the shell
Enter SF6 gases.
Preferably, the shell is the shell being made using cast aluminium material.
Preferably, the window glass is the glass being made using sapphire material.
Preferably, the detecting system for live detection being carried out to the model includes superfrequency method detecting system, pulse electricity
Combination between stream method detecting system, ultrasonic wave detecting system and ultraviolet detector system or these types of detecting system.
Preferably, manufacturing process of the inside containing bladdery insulator：To the raw material moisture absorption, using not drying place
Reason, and in mixing process, a small amount of water vapour is introduced inside batch mixing；After batch mixing, without degassing process, in casting process
It is middle to use high vacuum；Before curing to batch mixing, the nitrogen of setting is introduced to castable inside using tracheae, you can insulating
The sub internal corresponding bubble of generation.
Preferably, the SF6 gases of 6 atmospheric pressures are injected in the shell.
Compared with prior art, the present invention has the following advantages：
1, due to the GIS interior insulator air blister defect devices of the present invention, an observation window is remained, and use ultraviolet light
The good sapphire of wave band transmitance can use ultraviolet detector method, to containing bladdery insulation as the base material of observation window
The electric discharge of son is intuitively detected, and the size of discharge capacity and the evolutionary process of flashover are recorded.
2, model supports of the invention are using the combination between the above several method or several detecting systems, to insulation
Sub- air entrapment flash-over characteristic is studied, and the evolution between discharge capacity size and flashover has the safe operation of GIS device
Significance.
Description of the drawings
Fig. 1 is the structural schematic diagram of the GIS interior insulator air blister defect models of the present invention.
Wherein 1 is ultraviolet detector system, and 2 be trim ring, and the field angle of 3 ultraviolet detection systems, 4 be sapphire window glass
Glass, 5 be cast aluminum casings, and 6 be interior insulator bubble, and 7 be insulator.
Specific implementation mode
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is a part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work should all belong to the model that the present invention protects
It encloses.
As shown in Figure 1, a kind of GIS interior insulators air blister defect model, the model include：Inside contains bladdery insulation
Son 7, shell 5, window glass 4 and trim ring 2, the insulator 7 are positioned in shell 5, and insulator 7 is being just on the shell 5
To one side be equipped with window, the window glass 4 is covered on window and is tightly fastened on shell 5 by trim ring 2, described
Shell 5 in injection 6 atmospheric pressures SF6 gases.
The shell 5 is the shell being made using cast aluminium material.
The window glass 4 is the glass being made using sapphire material.
The detecting system that live detection is carried out to the model includes superfrequency method detecting system, pulse current method detection
Combination between system, ultrasonic wave detecting system and ultraviolet detector system 1 or these types of detecting system.
Manufacturing process of the inside containing bladdery insulator 7：To the raw material moisture absorption, using not drying and processing, and
In mixing process, a small amount of water vapour is introduced inside batch mixing.After batch mixing, without degassing process, used in casting process
High vacuum.Before curing to batch mixing, certain nitrogen is introduced to castable inside using tracheae, you can in interior insulator
Generate corresponding bubble 6.
The operation principle of the present invention：The present invention can simulate true interior insulator air blister defect mould by designing one kind
Type provides related experiment platform, especially ultraviolet light live detection method for live detection technology.Pass through the side being artificially introduced
Formula manufactures air blister defect in insulator.High-voltage electricity is passed through to insulator, air entrapment is made externally to discharge.To the GIS of the present invention
Interior insulator air blister defect model, carries out the detecting system of live detection, can use superfrequency method detecting system, can make
With pulse current method detecting system, ultrasonic wave detecting system can also be used.Since the GIS interior insulator bubbles of the present invention lack
Sinking device, remains an observation window, and uses the good sapphire of ultraviolet light wave band transmitance, as the base material of observation window,
Ultraviolet detector method can be used, the electric discharge containing bladdery insulator is intuitively detected, record the size of discharge capacity with
The evolutionary process of flashover.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection domain subject to.
Claims (6)
1. a kind of GIS interior insulators air blister defect model, which is characterized in that the model includes internal containing bladdery insulation
Son, shell, window glass and trim ring, the insulator are positioned in shell, the one side of insulator face on the shell
Equipped with window, the window glass is covered on window and is tightly fastened on shell by trim ring, is noted in the shell
Enter SF6 gases.
2. a kind of GIS interior insulators air blister defect model according to claim 1, which is characterized in that the shell
For the shell for using cast aluminium material to be made.
3. a kind of GIS interior insulators air blister defect model according to claim 1, which is characterized in that the window
Glass is the glass being made using sapphire material.
4. a kind of GIS interior insulators air blister defect model according to claim 2 and 3, which is characterized in that described
The detecting system that model carries out live detection includes superfrequency method detecting system, pulse current method detecting system, ultrasound examination
Combination between system and ultraviolet detector system or these types of detecting system.
5. a kind of GIS interior insulators air blister defect model according to claim 1, which is characterized in that the inside
Manufacturing process containing bladdery insulator：To the raw material moisture absorption, using not drying and processing, and in mixing process, in batch mixing
Portion introduces a small amount of water vapour；After batch mixing, without degassing process, high vacuum is used in casting process；Batch mixing is consolidated
Before change, the nitrogen of setting is introduced to castable inside using tracheae, you can generate corresponding bubble in interior insulator.
6. a kind of GIS interior insulators air blister defect model according to claim 1, which is characterized in that the shell
The SF6 gases of 6 atmospheric pressures of interior injection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810123243.2A CN108375721A (en) | 2018-02-07 | 2018-02-07 | A kind of GIS interior insulators air blister defect model |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810123243.2A CN108375721A (en) | 2018-02-07 | 2018-02-07 | A kind of GIS interior insulators air blister defect model |
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| CN108375721A true CN108375721A (en) | 2018-08-07 |
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| CN201810123243.2A Pending CN108375721A (en) | 2018-02-07 | 2018-02-07 | A kind of GIS interior insulators air blister defect model |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019369A (en) * | 2021-11-09 | 2022-02-08 | 国网河南省电力公司济源供电公司 | Basin-type insulator quality loss prediction method based on gas concentration in GIS |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692587A (en) * | 2012-06-12 | 2012-09-26 | 杭州西湖电子研究所 | Method for simulating and detecting discharging inside GIS (gas insulated switchgear) |
| CN102830332A (en) * | 2012-09-04 | 2012-12-19 | 安徽省电力科学研究院 | Modularized defect simulator for local discharge detection of gas insulated switchgear |
| CN202676857U (en) * | 2012-06-12 | 2013-01-16 | 杭州西湖电子研究所 | Device for simulating various discharges inside GIS |
| CN203811754U (en) * | 2014-02-24 | 2014-09-03 | 大连电力勘察设计院有限公司 | An enclosed type gas insulation combined electric appliance partial discharge detection device |
| CN204789885U (en) * | 2015-06-30 | 2015-11-18 | 国家电网公司 | A analogue means for GIS infrared detection method |
| CN205643609U (en) * | 2016-04-26 | 2016-10-12 | 国网河南省电力公司技能培训中心 | Inside multiple partial discharge's of GIS analogue means |
| CN106199360A (en) * | 2016-08-31 | 2016-12-07 | 国家电网公司 | A kind of GIS disc insulator surface defect model |
-
2018
- 2018-02-07 CN CN201810123243.2A patent/CN108375721A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692587A (en) * | 2012-06-12 | 2012-09-26 | 杭州西湖电子研究所 | Method for simulating and detecting discharging inside GIS (gas insulated switchgear) |
| CN202676857U (en) * | 2012-06-12 | 2013-01-16 | 杭州西湖电子研究所 | Device for simulating various discharges inside GIS |
| CN102830332A (en) * | 2012-09-04 | 2012-12-19 | 安徽省电力科学研究院 | Modularized defect simulator for local discharge detection of gas insulated switchgear |
| CN203811754U (en) * | 2014-02-24 | 2014-09-03 | 大连电力勘察设计院有限公司 | An enclosed type gas insulation combined electric appliance partial discharge detection device |
| CN204789885U (en) * | 2015-06-30 | 2015-11-18 | 国家电网公司 | A analogue means for GIS infrared detection method |
| CN205643609U (en) * | 2016-04-26 | 2016-10-12 | 国网河南省电力公司技能培训中心 | Inside multiple partial discharge's of GIS analogue means |
| CN106199360A (en) * | 2016-08-31 | 2016-12-07 | 国家电网公司 | A kind of GIS disc insulator surface defect model |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019369A (en) * | 2021-11-09 | 2022-02-08 | 国网河南省电力公司济源供电公司 | Basin-type insulator quality loss prediction method based on gas concentration in GIS |
| CN114019369B (en) * | 2021-11-09 | 2024-04-02 | 国网河南省电力公司济源供电公司 | Basin-type insulator mass loss prediction method based on gas concentration in GIS |
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Application publication date: 20180807 |