CN202182920U - Temperature rise test device for ultra/extra-high-pressure oil-SF6 casing pipe - Google Patents
Temperature rise test device for ultra/extra-high-pressure oil-SF6 casing pipe Download PDFInfo
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- CN202182920U CN202182920U CN2011202436303U CN201120243630U CN202182920U CN 202182920 U CN202182920 U CN 202182920U CN 2011202436303 U CN2011202436303 U CN 2011202436303U CN 201120243630 U CN201120243630 U CN 201120243630U CN 202182920 U CN202182920 U CN 202182920U
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- oil
- temperature rise
- sleeve pipe
- temperature
- rise test
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Abstract
The utility model discloses a temperature rise test device for an ultra/extra-high-pressure oil-SF6 casing pipe, which solves the problems of an SF6 end leading-out line and sealing during the temperature rise test of the oil-SF6 casing pipe, forms the complete and effective temperature rise test device for the oil-SF6 casing pipe, simulates the temperature rise test of the oil-SF6 casing pipe during actual running, and is simultaneously applicable to the temperature rise test of ordinary oil-air casing pipes. A bus tube is a horizontally arranged cylinder, one end face of the bus tube is connected with an SF6 end flange of the oil-SF6 casing pipe, a disc insulator is arranged on the other end face of the bus tube, a closed cavity is formed between the SF6 end flange and the disc insulator, a vacuum-pumping/SF6 gas inflated interface, an SF6 gas density table and a temperature rise measuring outlet disc of thermocouple outlet lines are arranged on the cavity wall, the thermocouple outlet lines are used for measuring the temperature of each point of an SF6 end of the oil-SF6 casing pipe and can be replaced by other types of temperature sensors.
Description
Technical field
The utility model relates to a kind of ultra-high/extra-high voltage oil-SF
6Sleeve pipe temperature rise test device is specially 550kV and 1100kV oil-SF that a kind of maximum test current can reach 8000A
6Sleeve pipe temperature rise test device belongs to High-Voltage Electrical Appliances experimental technique field.
Background technology
Oil-SF
6Sleeve pipe is used for transformer and GIS direct-connected, can significantly reduce the floor area of transformer station or generating plant, has broad application prospects, and China has developed the oil-SF of 252kV and following electric pressure at present
6Sleeve pipe, but the oil-SF of 550kV and above electric pressure
6Sleeve pipe still is in the R&D process.The temperature rise situation is one of most important performance of bushing, test standard requirement, oil-SF
6Sleeve pipe is when carrying out temperature rise test, and the oil end of sleeve pipe should immerse in the transformer oil, and transformer oil should maintain than surrounding air high (60 ± 2) ℃ the SF of sleeve pipe
6In the sealed insulation shell with minimum gaseous tension of end palpus immersion test standard code; This gas should be under the environment temperature during on-test; Apply rated current and measure the especially temperature of current-carrying part of each position of sleeve pipe, up to temperature rise stable (in temperature rise change be no more than 2K be as the criterion) with 2h.Therefore, oil-SF
6Sleeve pipe temperature rise test device must possess electric current and apply function, transformer oil heating function, SF
6End sealing and extension line function, temperature and gas pressure measurement function.
Existing known bushing temperature rise test device mainly is applicable to oil-casing air temperature rise test, and promptly an end of bushing is in the oil, and the other end is in the atmospheric environment, is generally vertical placement.The big current lead that only need comprise test fuel tank, oil heater, current lifting device, a temperature measurement system in the temperature rise test device and connect usefulness; Connect big current lead forms the closed-loop path and applies rated current through current lifting device at the sleeve pipe two ends; Through the temperature at each position of thermocouple wire measurement sleeve pipe, shown in accompanying drawing 1.Because traditional sleeve pipe temperature rise test device need not seal for the sleeve pipe air end, the temperature survey line can directly be connected with TR, and electric current is drawn also and can directly be connected with the conduit connection terminal with big current lead, need not carry out particular design; But, when carrying out oil-SF
6During the temperature rise test of sleeve pipe, then must be to SF
6End seals and in packoff, fills the SF of certain pressure
6Gas must insert test loop and measuring unit tube-surface temperature with sleeve pipe simultaneously.Therefore, need be from SF
6Draw high-current conductor and thermocouple measurement line in the end sealing device,, therefore can not realize oil-SF because existing temperature rise test device does not possess sealing of gas end and extension line function
6The sleeve pipe temperature rise test.
Summary of the invention
The purpose of the utility model is the deficiency that proposes to background technology, for solving oil-SF
6SF during the sleeve pipe temperature rise test
6End extension line and sealing problem, formation complete and effective oil-SF
6Sleeve pipe temperature rise test device discloses a kind of ultra-high/extra-high voltage oil-SF
6Sleeve pipe temperature rise test device has solved oil-SF
6SF during the sleeve pipe temperature rise test
6The problem of end extension line and sealing, simulated oil-SF
6The temperature rise test of sleeve pipe actual motion; Also be applicable to simultaneously conventional oil-casing air temperature rise test; This temperature rise test device can horizontal positioned also can vertically be placed, and wherein the thermocouple wire used of temperature survey can also be replaced with the temperature sensor of other kinds.
The technical scheme of the utility model is: a kind of ultra-high/extra-high voltage oil-SF
6Sleeve pipe temperature rise test device is made up of test fuel tank, bus bar canister, current lifting device, temperature survey and record cell; The test fuel tank is the drum of horizontal positioned, and heating of oil temperature and fuel temperature measurement element are arranged in it, and big current lead leading-out terminal, oil-SF are arranged on the oil tank wall
6Each position temperature measuring thermocouple extension line terminal of sleeve pipe oil end, oil-SF
6The oil end of sleeve pipe is connected through flange and the end face of testing fuel tank and is sealed in the fuel tank; It is characterized in that: bus bar canister is the cylinder of horizontal positioned, an one of which end face and oil-SF
6The SF of sleeve pipe
6End flanges connects, and the other end is equipped with disc insulator, SF
6Be an airtight cavity between end flanges and the disc insulator, on the described cavity wall, be equipped with and vacuumize/fill SF
6Gas interface and SF
6The gas density table also is equipped with measurement oil-SF
6The SF of sleeve pipe
6End each point temperature thermopair extension line temperature measurement goes out drum, and its beneficial effect is: but this device simulated oil-SF
6Sleeve pipe actual motion environment carries out the temperature rise experiment.
Description of drawings
Accompanying drawing 2 is the utility model embodiment oil-SF
6Sleeve pipe temperature rise test apparatus structure synoptic diagram;
Accompanying drawing 3 goes out the drum structural representation for temperature rise;
Accompanying drawing 4 is that Fig. 3 is along centerline sectional view.
Embodiment
Mark in the accompanying drawing: in the accompanying drawing 1,51-test fuel tank, 52-oil-casing air, 53-thermocouple wire, 54-TR, 55-big current lead, 56-current lifting device, 57-current transformer, 58-well heater;
In the accompanying drawing 2,1-well heater, 2-oil-SF
6Sleeve pipe oil terminated line terminal, 3-test fuel tank, 4-oil-SF
6Sleeve pipe, 5-oil-SF
6Sleeve pipe SF
6End flanges, 6-bus bar canister, 7-oil-SF
6Sleeve pipe SF
6The terminated line terminal, 8-conducting rod, 9-gas density table, 10-vacuumize interface; 11-disc insulator, the outside touch base of 12-disc insulator, 13-external conductive bar, 14-U-shaped switching copper bar; The inner touch base of 15-disc insulator, 16-temperature measurement goes out drum, 17-oil-SF
6Sleeve pipe oil end flanges, the big current lead of 18-oil end, 19-thermocouple wire, 20-TR, 21-current lifting device, 22-current transformer, 23-SF
6Hold big current lead;
In the accompanying drawing 3,31-thermopair wire hole, 32-seal groove, 33-mounting hole.
Below in conjunction with accompanying drawing this new embodiment is described further: shown in accompanying drawing 2, oil-SF
6Sleeve pipe 4 is installed on the test fuel tank 3 through oily end flanges 17 levels.Sleeve pipe SF
6End flanges 5 is connected with the end of bus bar canister 6, and the bus bar canister two ends are through sleeve pipe SF
6O-ring seal between end flanges and disc insulator 11 form confined space.Bus bar canister 6 outer walls are provided with and vacuumize interface 10 and bus bar canister 6 inside are vacuumized and fill SF realizing
6Gas, SF
6Gaseous tension is measured through gas density table 9.For realizing the SF of sleeve pipe
6End high-current leading outlet function, the installation conducting rod 8 at bus bar canister 6 centers, the SF of one of which end and sleeve pipe
6Terminated line terminal 7 connects; The other end is connected with the inner touch base 15 of disc insulator; The outside touch base 12 of disc insulator is connected with external conductive bar 13, and U-shaped switching copper bar 14 is installed in the conducting rod end, and big current lead 23 two ends are connected with U-shaped switching copper bar 14 and current lifting device 21 respectively.Sleeve pipe oil big current lead 18 1 ends of end and sleeve pipe oil terminated line terminal 2 link, and the other end is drawn from the test fuel tank and is connected with current lifting device 21, thereby forms oil-SF
6The casing current closed-loop path adopts current transformer 22 to measure loop current.The several heaters 1 that employing is installed in the scalable quantity of fuel tank bottom will test the transformer oil heating in the fuel tank and be retained to than surrounding air height (60 ± 2) ℃.The temperature at each position of sleeve pipe is measured through thermocouple wire 19, and oil end thermocouple wire is drawn the back and is connected with TR 20 from the test fuel tank.SF
6Holding thermocouple wire to go out through temperature measurement is connected with TR 20 after drum 16 is drawn.
Like accompanying drawing 3; Said temperature measurement goes out drum 16 and adopts epoxide resin material to process; At first on epoxy resin sheet material, get out several thermopair wire holes 31, thermocouple wire is passed from the hole, two ends are crammed sealing with wire hole with epoxy resin after reserving suitable length.Temperature measurement goes out the one side that drum contacts with bus bar canister 6 and has seal groove 32, in seal groove 32, places O-ring seal and through bolt temperature measurement is gone out that drum and bus bar canister 6 are fastening to be sealed realizing.
Claims (1)
1. ultra-high/extra-high voltage oil-SF
6Sleeve pipe temperature rise test device is made up of test fuel tank, bus bar canister, current lifting device, temperature survey and record cell; The test fuel tank is the drum of horizontal positioned, and heating of oil temperature and fuel temperature measurement element are arranged in it, and big current lead leading-out terminal, oil-SF are arranged on the oil tank wall
6Each position temperature measuring thermocouple extension line terminal of sleeve pipe oil end, oil-SF
6The oil end of sleeve pipe is connected through flange and the end face of testing fuel tank and is sealed in the fuel tank; It is characterized in that: bus bar canister is the cylinder of horizontal positioned, an one of which end face and oil-SF
6The SF of sleeve pipe
6End flanges connects, and the other end is equipped with disc insulator, SF
6Be an airtight cavity between end flanges and the disc insulator, on the described cavity wall, be equipped with and vacuumize/fill SF
6Gas interface and SF
6The gas density table also is equipped with measurement oil-SF
6The SF of sleeve pipe
6End each point temperature thermopair extension line temperature measurement goes out drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202436303U CN202182920U (en) | 2011-07-12 | 2011-07-12 | Temperature rise test device for ultra/extra-high-pressure oil-SF6 casing pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202436303U CN202182920U (en) | 2011-07-12 | 2011-07-12 | Temperature rise test device for ultra/extra-high-pressure oil-SF6 casing pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202182920U true CN202182920U (en) | 2012-04-04 |
Family
ID=46175952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202436303U Expired - Lifetime CN202182920U (en) | 2011-07-12 | 2011-07-12 | Temperature rise test device for ultra/extra-high-pressure oil-SF6 casing pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202182920U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293453A (en) * | 2013-06-19 | 2013-09-11 | 国家电网公司 | Epoxy resin high-voltage bushing testing device and usage method thereof |
| CN103742647A (en) * | 2013-12-13 | 2014-04-23 | 中国燃气涡轮研究院 | Novel sealing structure of test pipeline |
| CN105758557A (en) * | 2014-12-17 | 2016-07-13 | 国家电网公司 | Calibration device for temperature monitoring equipment of disconnecting switch contact |
| CN106226633A (en) * | 2016-09-09 | 2016-12-14 | 中国电力科学研究院 | Heat pipe-type insulated sleeve assay device |
| CN106707069A (en) * | 2017-02-15 | 2017-05-24 | 国网湖北省电力公司电力科学研究院 | Insulation tube bus electro-thermal accelerated ageing test device and method |
| CN108051118A (en) * | 2017-12-11 | 2018-05-18 | 国网新疆电力有限公司检修公司 | A kind of method of the temperature for the glass reinforced plastic pipe for measuring composite hollow insulator |
| CN109453574A (en) * | 2018-12-24 | 2019-03-12 | 成都高脉电子产品有限公司 | A kind of electrovacuum super-pressure ageing gas and oil separating plant |
| CN110082604A (en) * | 2019-05-21 | 2019-08-02 | 保定天威保变电气股份有限公司 | A kind of current carrying lead Thermal Parameter measuring device and measuring method |
| CN112595997A (en) * | 2020-11-30 | 2021-04-02 | 保定天威集团特变电气有限公司 | Device and method for measuring temperature rise of outlet structure of transformer oil tank |
| CN113517577A (en) * | 2021-06-08 | 2021-10-19 | 平高集团有限公司 | Temperature rise test patch panel and temperature rise test connector |
-
2011
- 2011-07-12 CN CN2011202436303U patent/CN202182920U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293453B (en) * | 2013-06-19 | 2015-08-05 | 国家电网公司 | Epoxy resin bushing test unit and using method thereof |
| CN103293453A (en) * | 2013-06-19 | 2013-09-11 | 国家电网公司 | Epoxy resin high-voltage bushing testing device and usage method thereof |
| CN103742647A (en) * | 2013-12-13 | 2014-04-23 | 中国燃气涡轮研究院 | Novel sealing structure of test pipeline |
| CN105758557A (en) * | 2014-12-17 | 2016-07-13 | 国家电网公司 | Calibration device for temperature monitoring equipment of disconnecting switch contact |
| CN106226633B (en) * | 2016-09-09 | 2020-01-03 | 中国电力科学研究院 | Heat pipe type insulating sleeve testing device |
| CN106226633A (en) * | 2016-09-09 | 2016-12-14 | 中国电力科学研究院 | Heat pipe-type insulated sleeve assay device |
| CN106707069A (en) * | 2017-02-15 | 2017-05-24 | 国网湖北省电力公司电力科学研究院 | Insulation tube bus electro-thermal accelerated ageing test device and method |
| CN106707069B (en) * | 2017-02-15 | 2018-03-30 | 国网湖北省电力公司电力科学研究院 | Insulating tube type busbar electric heating accelerated aging tester and method |
| CN108051118A (en) * | 2017-12-11 | 2018-05-18 | 国网新疆电力有限公司检修公司 | A kind of method of the temperature for the glass reinforced plastic pipe for measuring composite hollow insulator |
| CN108051118B (en) * | 2017-12-11 | 2019-07-05 | 国网新疆电力有限公司检修公司 | A method of the temperature of the glass reinforced plastic pipe of measurement composite hollow insulator |
| CN109453574A (en) * | 2018-12-24 | 2019-03-12 | 成都高脉电子产品有限公司 | A kind of electrovacuum super-pressure ageing gas and oil separating plant |
| CN109453574B (en) * | 2018-12-24 | 2023-11-28 | 成都凯赛尔光电有限公司 | Electric vacuum ultrahigh-pressure aging oil-gas separation device |
| CN110082604A (en) * | 2019-05-21 | 2019-08-02 | 保定天威保变电气股份有限公司 | A kind of current carrying lead Thermal Parameter measuring device and measuring method |
| CN112595997A (en) * | 2020-11-30 | 2021-04-02 | 保定天威集团特变电气有限公司 | Device and method for measuring temperature rise of outlet structure of transformer oil tank |
| CN113517577A (en) * | 2021-06-08 | 2021-10-19 | 平高集团有限公司 | Temperature rise test patch panel and temperature rise test connector |
| CN113517577B (en) * | 2021-06-08 | 2023-03-07 | 平高集团有限公司 | Temperature rise test patch board and temperature rise test connector |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120404 |
|
| CX01 | Expiry of patent term |