CN202533398U - Electrode cup for generating gas of transformer oil under electric field - Google Patents
Electrode cup for generating gas of transformer oil under electric field Download PDFInfo
- Publication number
- CN202533398U CN202533398U CN2012200738337U CN201220073833U CN202533398U CN 202533398 U CN202533398 U CN 202533398U CN 2012200738337 U CN2012200738337 U CN 2012200738337U CN 201220073833 U CN201220073833 U CN 201220073833U CN 202533398 U CN202533398 U CN 202533398U
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- Prior art keywords
- valve
- field electrode
- transformer oil
- sample
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- 230000005684 electric field Effects 0.000 title claims abstract description 16
- 238000012360 testing method Methods 0.000 claims abstract description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052786 argon Inorganic materials 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 14
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000007872 degassing Methods 0.000 abstract description 4
- 230000018044 dehydration Effects 0.000 abstract description 4
- 238000006297 dehydration reaction Methods 0.000 abstract description 4
- 238000011160 research Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 3
- 238000000034 method Methods 0.000 description 5
- 230000002950 deficient Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model provides an electrode cup is based on transformer oil produces the requirement of gaseous law research under the electric field condition, its characterized in that: the high-voltage electrode sealing device comprises a high-voltage power supply connecting end 1, a high-voltage electrode fixing rotary cylinder 2, an F1 valve 3, a container outer cylinder 5, a sealing gasket 4, a high-voltage electrode rod 6, a low-voltage electrode cylinder 7, a low-voltage electrode cylinder grounding end 8, an O-shaped sealing ring 9, a fixing base 10 and an F2 valve 11. After the electrode cup is connected with an F1 valve through a vacuum system to vacuumize the electrode cup body, the outlet of the sample injector is connected with an F2 valve to fill the electrode cup with the sample; after the test was completed, the inlet of the sample sampler was connected to the F2 valve, argon was connected to the F1 valve, and the sample was injected into the sampler by pressurization. The utility model discloses can the totally enclosed transformer oil sample after injecting into degasification dehydration, the jumbo size structure is applicable to higher voltage test environment, and special design can prevent that high voltage creepage phenomenon from taking place.
Description
Technical field
The utility model provides a kind of research transformer oil aerogenesis rule under current field condition to use pole cup, and belonging to the electric insulation oiliness can the assessment technique field.
Background technology
The height of transformer oil gas generation property under current field condition is the key factor that influences the power equipment safety operation.At present; The equipment that is used for evaluation gassing property of transformer oil ability under electric field is less; The pole cup of the existing GB/T11142 of meeting method is used to study transformer oil gas generation property under current field condition and has following defective: the one, and the electric field intensity that can bear is low, can not simulate the oily gas generation property under the high electric field intensity; The 2nd, because the part high-voltage electric field is exposed to more than the transformer oil, transformer oil generation ionization position is in the oil gas interface place, and this phenomenon and transformer oil actual condition are not inconsistent; The 3rd, the sample injection process can not realize vacuum oil, thereby influences gas content in the oil.The pole cup that meets the GB/T507 method is used to study transformer oil gas generation property under current field condition and has following defective: the pole cup blow-by, the gas of generation leaks.The utility model provides a kind of transformer oil aerogenesis under electric field to use the electrode cup, can address the aforementioned drawbacks.
The utility model content
The purpose of the utility model provides and a kind ofly can overcome above-mentioned defective, adapts to the pole cup that aerogenesis is used under the transformer oil operating condition.Its technology contents is:
Described a kind of transformer oil aerogenesis under electric field is used pole cup, comprises that high-voltage power supply link 1, high-field electrode fixedly revolve tube 2, F1 valve 3, gasket seal 4, container urceolus 5, high-field electrode rod 6, low-field electrode tube 7, low-field electrode tube earth terminal 8, O RunddichtringO 9, firm banking 10, F2 valve 11.Low-field electrode tube 7 is fixed to container urceolus 5 inboards; Low-field electrode tube earth terminal 8 is fixed on container urceolus 5 outsides, puts O RunddichtringO 9 in container urceolus 5 bottoms, it is spun on the firm banking 10 again; High-field electrode rod 6 is fixed to after high-field electrode fixedly revolves on tins 2; Add that gasket seal 4 is screwed into fixation on the container urceolus 5, there is high-voltage power supply link 1 on the top of high-field electrode rod 6, is connected to F1 valve 3 and F2 valve 11 on the upper and lower pipeline of pole cup.
This pole cup through vacuum system be connected with the F1 valve electrode cup vacuumized after, the outlet of sample feeding device is connected with the F2 valve, and sample is filled with pole cup; The Sampler inlet is connected with the F2 valve after the off-test, and argon gas is connected with the F1 valve, through pressurization, sample is injected ST.
A kind of transformer oil aerogenesis under electric field is used pole cup, and container urceolus 5, high-field electrode fixedly revolve tube 2, firm banking 10 uses teflon or carbonic ester high-temperature insulation material.High-field electrode rod 6, low-field electrode tube 7 all use copper material.High-field electrode rod 6, low-field electrode tube 7 keep the 5mm oil clearance with pole cup base 10, can prevent that the high pressure creepage phenomenon from taking place.
Sample feeding device and ST are the 200mL glass syringe.
Its principle of work is: the transformer oil sample suction injector after the degassing dehydration, and injector is connected with the F2 sampling valve, and vacuum system is connected with the F1 valve; Open at the F1 valve, under the F2 valve closed condition, the electrode cup vacuumized emptying gas after, open the F2 valve and inject sample; Break off the vacuum system that the F1 valve connects when filling with, open F1 valve and F2 valve simultaneously, so that sample flows out through F1 on a small quantity; After guaranteeing being full of oil sample fully in the cup, close F1 valve and F2 valve.Take off injector.Can carry out transformer oil gas generation property test under current field condition after connecting high-voltage power supply and low pressure ground wire.
The utility model compared with prior art, transformer oil under electric field aerogenesis with pole cup can be hermetically sealed transformer oil sample after the property injection degassing dehydration, thereby reduce the amplitude of variation of gas content in the oil.The large scale structure of electrode cup, and high and low pressure electrode and pole cup base maintenance 5mm oil clearance prevent the creepage puncture of high pressure, go for higher voltage test environment, can handle a large amount of samples, satisfy the consumption that subsequent sample is analyzed.
Description of drawings
Accompanying drawing is the structural representation of utility model embodiment.
Among the figure: 1, high-voltage power supply link; 2, high-field electrode fixedly revolves tube; 3, F1 valve; 4, gasket seal; 5, container urceolus; 6, high-field electrode rod; 7, low-field electrode tube; 8, low-field electrode tube earth terminal; 9, O RunddichtringO; 10, firm banking; 11, F2 valve.
Embodiment
In the examples of implementation of accompanying drawing, low-field electrode tube 7 is fixed to container urceolus 5 inboards, and low-field electrode tube earth terminal 8 is fixed on container urceolus 5 outsides, puts O RunddichtringO 9 in container urceolus 5 bottoms, it is spun on the firm banking 10 again.High-field electrode rod 6 is fixed to after high-field electrode fixedly revolves on the tube 2, is screwed into fixation on the container urceolus 5, insert F1 valve 3 and F2 valve 11 more respectively, the assembling completion.Container urceolus 5, high-field electrode fixedly revolve tube 2, firm banking 10 uses the teflon high-temperature insulation material.The distance of the high-field electrode rod 6 of electrode cup and the contact position of container urceolus 5 and low-field electrode tube earth terminal 8 is greater than 200mm; Prevent high pressure along container urceolus 5 outsides along the creepage puncture of face; And high-field electrode rod 6, low-field electrode tube 7 keep the 5mm oil clearance with the pole cup base; Prevent high pressure along container urceolus 5 inboards along the creepage puncture of face, go for the voltage test environment of 100kV.
Process of the test is following: the transformer oil sample suction injector after the degassing dehydration, and injector is connected with the F2 sampling valve, and vacuum system is connected with the F1 valve; Close at the F2 valve, under the F1 valve open mode, the electrode cup vacuumized emptying gas after, open the F2 valve and inject sample; After breaking off the vacuum system of F1 valve connection when filling with, open F1 valve and F2 valve, so that sample flows out through the F1 valve on a small quantity; After guaranteeing being full of oil sample fully in the cup, close F1 valve and F2 valve.Take off injector.Can carry out transformer oil gas generation property test under current field condition after connecting high-voltage power supply and low pressure ground wire.
Claims (5)
1. transformer oil aerogenesis under electric field is used pole cup; It is characterized in that: comprise that high-voltage power supply link (1), high-field electrode fixedly revolve tube (2), F1 valve (3), F2 valve (11), gasket seal (4), container urceolus (5), high-field electrode rod (6), low-field electrode tube (7), low-field electrode tube earth terminal (8), O RunddichtringO (9), firm banking (10); Low-field electrode tube (7) is fixed to container urceolus (5) inboard; Low-field electrode tube earth terminal (8) is fixed on container urceolus (5) outside; Put O RunddichtringO (9) in container urceolus (5) bottom; Again it is spun on the firm banking (10), high-field electrode rod (6) is fixed to after high-field electrode fixedly revolves tube (2) and go up, add that gasket seal (4) is screwed into fixation on the container urceolus (5); There is high-voltage power supply link (1) on the top of high-field electrode rod (6), is connected to F1 valve (3) and F2 valve (11) on the upper and lower pipeline of pole cup.
2. transformer oil according to claim 1 aerogenesis under electric field is used pole cup, it is characterized in that: high-field electrode rod (6), low-field electrode tube (7) keep the 5mm oil clearance with pole cup base (10).
3. transformer oil according to claim 1 aerogenesis under electric field is used pole cup, it is characterized in that: container urceolus (5), high-field electrode fixedly revolve tube (2), firm banking (10) uses teflon or carbonic ester high-temperature insulation material.
4. transformer oil according to claim 1 aerogenesis under electric field is used pole cup, it is characterized in that: high-field electrode rod (6), low-field electrode tube (7) use copper material.
5. transformer oil according to claim 1 aerogenesis under electric field is used pole cup, it is characterized in that: through vacuum system be connected with F1 valve (3) the electrode cup vacuumized after, the outlet of sample feeding device is advanced sample valve with F2 valve (11) and is connected; Argon gas is connected with F1 valve (3) after the off-test, and the Sampler outlet is connected with F2 valve (11), through pressurization, sample is injected ST.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200738337U CN202533398U (en) | 2012-03-01 | 2012-03-01 | Electrode cup for generating gas of transformer oil under electric field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200738337U CN202533398U (en) | 2012-03-01 | 2012-03-01 | Electrode cup for generating gas of transformer oil under electric field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202533398U true CN202533398U (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200738337U Expired - Fee Related CN202533398U (en) | 2012-03-01 | 2012-03-01 | Electrode cup for generating gas of transformer oil under electric field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202533398U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614594A (en) * | 2015-02-06 | 2015-05-13 | 国家电网公司 | Device and method for detecting compatibility and gas generation features of solid material and liquid material |
| CN104634898A (en) * | 2013-11-08 | 2015-05-20 | 中国石油天然气股份有限公司 | Test method and device for evaluating gas production trend of transformer oil in electric-thermal mixed field |
| CN104133165B (en) * | 2014-07-07 | 2017-05-31 | 广东电网有限责任公司电力科学研究院 | Transformer oil paper insulation test system |
-
2012
- 2012-03-01 CN CN2012200738337U patent/CN202533398U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634898A (en) * | 2013-11-08 | 2015-05-20 | 中国石油天然气股份有限公司 | Test method and device for evaluating gas production trend of transformer oil in electric-thermal mixed field |
| CN104133165B (en) * | 2014-07-07 | 2017-05-31 | 广东电网有限责任公司电力科学研究院 | Transformer oil paper insulation test system |
| CN104614594A (en) * | 2015-02-06 | 2015-05-13 | 国家电网公司 | Device and method for detecting compatibility and gas generation features of solid material and liquid material |
| CN104614594B (en) * | 2015-02-06 | 2018-08-14 | 国家电网公司 | A kind of device and method for detecting solid-liquid material compatibility and biogas production characteristics |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20210301 |