CN106646015A - Insulating tube type bus major insulation material space charge characteristic test system - Google Patents
Insulating tube type bus major insulation material space charge characteristic test system Download PDFInfo
- Publication number
- CN106646015A CN106646015A CN201610838259.2A CN201610838259A CN106646015A CN 106646015 A CN106646015 A CN 106646015A CN 201610838259 A CN201610838259 A CN 201610838259A CN 106646015 A CN106646015 A CN 106646015A
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- Prior art keywords
- tube type
- space charge
- insulation material
- electrode
- upper track
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention relates to an insulating tube type bus major insulation material space charge characteristic test system, including an upper track, two lateral vertical suspension rods which are sliding in parallel, and an experiment bottom plate. The experiment bottom plate is fixedly provided with a sample platform. The sample platform is provided with a tested insulation material. The left side of the upper track is fixedly provided with a vertical electrode insertion tube. A pin electrode is inserted in the electrode insertion tube and is connected with the output of a direct current power supply. The position and negative output ends of the direct current power supply are serially connected with a resistor R1 and a resistor R2. A node between the resistor R1 and the resistor R2 is fixedly provided with a grid under the pin electrode. The right side of the upper track is fixedly provided with a detection probe which is connected with a potentiometer, and the potentiometer is connected with a processing host. The system can measure important parameters of tube type bus space charge transport characteristics based on the surface potential decay method, and evaluate bus insulation material space charge characteristics.
Description
Technical field
The invention belongs to insulating tube type busbar insulating materials technical field of measurement and test, particularly a kind of insulating tube type busbar master is exhausted
Edge material space charge characteristic test system.
Background technology
China's economic development in recent years is rapid, also growing to the demand of electric power in life and production, thus transformer station
Main capacity is also increasing.Conventional rectangular bus, cable bus and common box bus, cannot meet big in technology and structure
Bus heating under electric current, the requirement of short-circuit electromotive force.The new tube type bus for occurring in recent years have that current-carrying capacity is big, operation peace
Entirely reliably, the advantages of comprehensive benefit is high, can solve to a certain extent conventional busbars problems in the application, with its work
The development of skill and technology, tube type bus are increasingly widely applied, in industries such as generating, power transformation, petroleum and petrochemical industry, iron and steel and
Other new energy fields are more and more applied.In transformer station, already function as now in main transformer, low-pressure side and distribution set
Connection conductor between applying, obtains better effects.Tube type bus generally adopt polytetrafluoroethylene (PTFE) (PTFE) film, polyester
(PET) material such as film and epoxy resin is used as major insulation material.The space charge of material internal can be to the electric field of its inside point
Cloth produces strong influence, so as to affect the insulating properties of material.In tube type bus running, it is likely to form in insulating materials
Space charge, the accumulation of space charge, motion and evanishment can directly affect the Electric Field Distribution inside dielectric, cause electric field
Distortion, affect the conductance of material, electrical breakdown and the electric property such as aging, threaten the long-term safety stable operation of bus.Cause
This, forms to the space charge in tube type bus insulating materials, is distributed and Transport, probes into distribution of traps, bulk conductivity etc.
Relevant parameter has important theory significance and construction value.
The system is by surface potential decay test module and data acquisition and two parts of analysis module.Surface potential measurement
Module is mainly made up of high-voltage DC power supply, electrometer and movable supporting frame, and wherein high-voltage DC power supply is for electric charge note
Enter, electric charge is injected to sample applied voltage by pin electrode, can be by software set biasing strength and time.Potentiometer test is visited
In rack-mount slideway, can be mobile realizing the test to sample diverse location by software control probe.Data
Collection and analysis realize that electrometer is connected by high-speed collection card with PC by the software of independent development, are capable of achieving surface potential
The Real-time Collection of data, and sample frequency can be adjusted according to actual needs.Polytetrafluoro is based partially at the data of software
The typical tube type bus insulating materials design of three kinds of vinyl film, polyester film and epoxy resin, is set up by a large amount of preliminary experiments
Perfect database, selects corresponding material to carry out Treatment Analysis to the relevant parameter of material exactly.
The content of the invention
The purpose of the present invention is to be directed to the deficiencies in the prior art, and proposes a kind of insulating tube type busbar major insulation material space
Charge characteristic test system.
The present invention solves its technical problem and takes technical scheme below to realize：
A kind of insulating tube type busbar major insulation material space charge characteristic test system, including fixed upper track,
The vertical suspension rod in both sides along upper track parallel sliding is installed, the lower end of vertical suspension rod is fixedly mounted with level in both sides in upper track
Experiment base plate, experiment base plate left side upper surface be fixed with sample platform, in the back of the body of the affixed ground connection in the bottom surface of sample platform
Portion's electrode, in the upper surface fixed placement of sample platform the edge material of tube type bus is test for, and is consolidated in the left side of upper track
Equipped with longitudinal electrode intubation, dc source is mounted with the left of upper track, the output plus terminal of dc source is connected with pin electricity
Pole, pin electrode is inserted in electrode intubation and moves up and down along electrode intubation, connects at the positive negative output two ends of dc source
There are the resistance R1 and resistance R2 of series connection, the grid being fixed with the node between resistance R1 and resistance R2 immediately below pin electrode
Pole, is fixed with detection probe on the right side of upper track, and detection probe is connected with potentiometer, and potentiometer is connected with main frame is processed.
And, the vertical suspension rod in the both sides along upper track parallel sliding be will on experiment base plate sample platform position
By the underface that detection probe is moved to immediately below pin electrode.
And, the high-voltage DC power supply is used for by pin electrode to sample applied voltage, injects electric charge, applied voltage
Intensity and time are by processing host computer control.
And, the detection probe is to detect the surface potential decay data of tested edge material.
Advantages of the present invention and good effect are：
1st, patent of the present invention measures the several of reflection tube type bus space charge transport property based on surface potential decay method
Individual important parameter, is compared by the analyzing and processing to data and with reference data, special to the space charge of bus insulation material
Property makes judge.
2nd, present system test operation is easy, and measurement is accurate, can accurate test analysis material space charge characteristic, be
Technical staff provides abundant decision references information.
Description of the drawings
Fig. 1 is the structural representation of present system.
Specific embodiment
The embodiment of the present invention is further described below：It is emphasized that embodiment of the present invention is explanation
Property, rather than it is determinate, therefore the present invention is not limited to the embodiment described in specific embodiment, it is every by this area
The other embodiment that technical staff's technology according to the present invention scheme draws, also belongs to the scope of protection of the invention.
A kind of insulating tube type busbar major insulation material space charge characteristic test system, as shown in figure 1, including fixed upper
Portion's track 4, is provided with an upper track the vertical suspension rod 6 in both sides along upper track parallel sliding, the vertical suspension rod in both sides
Lower end is fixedly mounted with horizontal experiment base plate 9, sample platform 11 is fixed with the left side upper surface of experiment base plate, at the bottom of sample platform
The affixed back electrode in face, is test for the edge material 10 of tube type bus, in upper rail in the upper surface fixed placement of sample platform
Longitudinal electrode intubation 12 is fixed with the left of road, dc source 1 is mounted with the left of upper track, the output of dc source is just
End is connected with pin electrode 2, and pin electrode is inserted in electrode intubation and moves up and down along electrode intubation, in the positive and negative of dc source
Output two ends are connected with the resistance R1 and resistance R2 of series connection, are fixed with the node between resistance R1 and resistance R2 positioned at pin electricity
Grid 3 immediately below pole, is fixed with detection probe 5 on the right side of upper track, and detection probe is connected with potentiometer 7, potentiometer
It is connected with main frame 8 is processed.
In being embodied as the present invention, the vertical suspension rod in the both sides along upper track parallel sliding is will to test base plate
The position of upper sample platform is by the underface that detection probe is moved to immediately below pin electrode.
In being embodied as the present invention, the high-voltage DC power supply is used for by pin electrode to sample applied voltage, note
Enter electric charge, the intensity of applied voltage and time are by processing host computer control.
In being embodied as the present invention, the detection probe is to detect the surface potential decay data of tested edge material.
Operation principle
Open and process main frame, set probe initial test position, set biasing strength and the pressurization of high-voltage DC power supply
Time, setting sample frequency and surface potential decay testing time.
By in the smooth sample platform being tightly fixed on support of the insulating materials sample of fixed size and shape, open
High-voltage DC power supply.
Sample platform is moved to rapidly the test section of support after terminating along slideway for pressurization, opens potentiometer, starts test.
After setting time terminates, electrometer is closed, process main frame, process experimental result.Table is obtained by Treatment Analysis
The relevant parameter of expropriation and management type bus insulation material Space Charge Properties, is that the operation and maintenance or other decision-makings of tube type bus is carried
Information for reference.
Claims (4)
1. a kind of insulating tube type busbar major insulation material space charge characteristic test system, it is characterised in that：Including fixed upper
Portion's track, is provided with an upper track the vertical suspension rod in both sides along upper track parallel sliding, under the vertical suspension rod in both sides
End is fixedly mounted with horizontal experiment base plate, and in the left side upper surface of experiment base plate sample platform is fixed with, and consolidates in the bottom surface of sample platform
The back electrode of ground connection, is test for the edge material of tube type bus, in upper rail in the upper surface fixed placement of sample platform
Longitudinal electrode intubation is fixed with the left of road, dc source, the output plus terminal of dc source are mounted with the left of upper track
Pin electrode is connected with, pin electrode is inserted in electrode intubation and moves up and down along electrode intubation, in the positive and negative defeated of dc source
Go out resistance R1 and resistance R2 that two ends are connected with series connection, be fixed with positioned at pin electrode at the node between resistance R1 and resistance R2
Immediately below grid, detection probe is fixed with the right side of upper track, detection probe be connected with potentiometer, potentiometer and process
Main frame connects.
2. insulating tube type busbar major insulation material space charge characteristic test system according to claim 1, its feature exists
In：The vertical suspension rod in the both sides along upper track parallel sliding is by pin electrode by the position of sample platform on experiment base plate
Underface moves to the underface of detection probe.
3. insulating tube type busbar major insulation material space charge characteristic test system according to claim 1, its feature exists
In：The high-voltage DC power supply is used for by pin electrode to sample applied voltage, injects electric charge, the intensity of applied voltage and time
By process host computer control.
4. insulating tube type busbar major insulation material space charge characteristic test system according to claim 1, its feature exists
In：The detection probe is to detect the surface potential decay data of tested edge material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610838259.2A CN106646015A (en) | 2016-09-20 | 2016-09-20 | Insulating tube type bus major insulation material space charge characteristic test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610838259.2A CN106646015A (en) | 2016-09-20 | 2016-09-20 | Insulating tube type bus major insulation material space charge characteristic test system |
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| Publication Number | Publication Date |
|---|---|
| CN106646015A true CN106646015A (en) | 2017-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610838259.2A Pending CN106646015A (en) | 2016-09-20 | 2016-09-20 | Insulating tube type bus major insulation material space charge characteristic test system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132835A (en) * | 2019-05-30 | 2019-08-16 | 西南交通大学 | A kind of composite insulating material insulation degradation assessment system and experimental method |
| CN111562448A (en) * | 2020-05-15 | 2020-08-21 | 中国南方电网有限责任公司电网技术研究中心 | High-voltage direct-current cable insulating layer charge injection quantity characterization method |
| CN113484623A (en) * | 2021-05-28 | 2021-10-08 | 中国电力科学研究院有限公司 | Tubular insulating part space charge measuring device |
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| CN102841123A (en) * | 2012-09-04 | 2012-12-26 | 西安交通大学 | Measuring device and measuring method for trap parameter of solid dielectric material |
| CN103149462A (en) * | 2012-11-22 | 2013-06-12 | 天津学子电力设备科技有限公司 | Improvement on polyimide film surface charge measuring method |
| CN104714112A (en) * | 2015-03-31 | 2015-06-17 | 重庆大学 | Method for determining space charge density distribution under excitation of acoustic pulses |
| JP2015219116A (en) * | 2014-05-19 | 2015-12-07 | 株式会社ビスキャス | Calibration method of electric charge density in space-charge distribution measurement |
| CN105759131A (en) * | 2016-03-23 | 2016-07-13 | 哈尔滨理工大学 | Oil-paper double-layer medium space charge measuring apparatus under wide temperature gradient |
-
2016
- 2016-09-20 CN CN201610838259.2A patent/CN106646015A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841123A (en) * | 2012-09-04 | 2012-12-26 | 西安交通大学 | Measuring device and measuring method for trap parameter of solid dielectric material |
| CN103149462A (en) * | 2012-11-22 | 2013-06-12 | 天津学子电力设备科技有限公司 | Improvement on polyimide film surface charge measuring method |
| JP2015219116A (en) * | 2014-05-19 | 2015-12-07 | 株式会社ビスキャス | Calibration method of electric charge density in space-charge distribution measurement |
| CN104714112A (en) * | 2015-03-31 | 2015-06-17 | 重庆大学 | Method for determining space charge density distribution under excitation of acoustic pulses |
| CN105759131A (en) * | 2016-03-23 | 2016-07-13 | 哈尔滨理工大学 | Oil-paper double-layer medium space charge measuring apparatus under wide temperature gradient |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132835A (en) * | 2019-05-30 | 2019-08-16 | 西南交通大学 | A kind of composite insulating material insulation degradation assessment system and experimental method |
| CN111562448A (en) * | 2020-05-15 | 2020-08-21 | 中国南方电网有限责任公司电网技术研究中心 | High-voltage direct-current cable insulating layer charge injection quantity characterization method |
| CN111562448B (en) * | 2020-05-15 | 2023-02-28 | 南方电网科学研究院有限责任公司 | High-voltage direct-current cable insulating layer charge injection amount characterization method |
| CN113484623A (en) * | 2021-05-28 | 2021-10-08 | 中国电力科学研究院有限公司 | Tubular insulating part space charge measuring device |
| CN113484623B (en) * | 2021-05-28 | 2023-12-01 | 中国电力科学研究院有限公司 | Tubular insulator space charge measuring device |
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Application publication date: 20170510 |