CN203825122U - Electrical testing device for insulating oil of transformer - Google Patents
Electrical testing device for insulating oil of transformer Download PDFInfo
- Publication number
- CN203825122U CN203825122U CN201420228780.0U CN201420228780U CN203825122U CN 203825122 U CN203825122 U CN 203825122U CN 201420228780 U CN201420228780 U CN 201420228780U CN 203825122 U CN203825122 U CN 203825122U
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- oil
- connecting hole
- electrode
- vessel
- test device
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- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 37
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000005684 electric field Effects 0.000 abstract description 9
- 238000010891 electric arc Methods 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract 2
- 239000000470 constituent Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 143
- 239000011521 glass Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000015111 chews Nutrition 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model discloses an electrical testing device for insulating oil of a transformer. The electrical testing device comprises an oil container used for containing the insulating oil and an electrode couple used for discharging in the oil container, wherein the side wall of the oil container is provided with an oil extraction hole used for extracting the insulating oil, the oil container is provided with a first connecting hole formed in the top part and a second connecting hole formed in the bottom part, the electrode couple is connected with an oscilloscope and comprises an upper electrode and a lower electrode which are arranged oppositely, the upper electrode passes through the first connecting hole, and the bottom part of the lower electrode is connected with a ground electrode which passes through the second connecting hole and is used for grounding. When the insulating oil is added into the oil container, a discharging electric field is formed between the upper electrode and the lower electrode, and an electric arc is formed between the upper electrode and the lower electrode for discharging when the power supply is conducted to form a high voltage, so that the insulating oil in the electric field is ionized to produce gas which is dissolved in the insulating oil; and the electrical faults of the transformer such as partial discharge and disruptive discharge can be accurately simulated through the oscilloscope, and the insulating oil samples under various electrical faults can be obtained through the oil extraction hole continuously, so as to measure the constituent contents of the gas.
Description
Technical field
The utility model relates to a kind of proving installation, particularly a kind of transformer insulation oil electric test device.
Background technology
Oil-filled transformer is exactly that the coil of transformer and magnetic core are immersed in to special transformer oil is insulating oil the inside, not only can dispel the heat but also can make coil and air completely cut off, prevent that airborne moisture from causing corrosion to the magnetic core of transformer, can also play certain arc extinguishing effect simultaneously.In the time that operating oil-filled transformer bears abnormal electro ultrafiltration, some inflammable gas of generation major part are dissolved in insulating oil.In reality detects, general using dissolved gas analysis (DGA) technology can be found the inner initial failure of transformer effectively.Along with the continuous development of insulating oil, Novel insulating oil replaces in the past conventional mineral insulating oil gradually as synthetic ester, vegetable insulating oil, these insulating oils and general mineral insulation oil component there are differences, and therefore can cause the oil dissolved gas of insulating oil and oilpaper mix insulation under the effect of same electrical fault there are differences.Therefore need under trystate, study the situation of the oil dissolved gas under various electric faults, and the fault diagnosis criterion that can not apply mechanically simply mineral insulating oil oil dissolved gas.But, the range transformer electric fault such as in prior art, also there is no can accurately simulate shelf depreciation, puncture and obtain the analogue means of the oil dissolved gas component concentration of insulating oil and oilpaper mix insulation under various electric faults.
Therefore, just need a kind of proving installation that can accurately simulate the transformer electric fault of shelf depreciation, disruptive discharge and obtain the oil dissolved gas component concentration of insulating oil and oilpaper mix insulation under various electric faults, thus for judge transformer operation conditions whether normally, whether exist latency fault that reference is provided.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of transformer insulation oil electric test device, can accurately simulate the transformer electric fault of shelf depreciation, disruptive discharge and obtain the oil dissolved gas component concentration of insulating oil and oilpaper mix insulation under various electric faults, thus for judge transformer operation conditions whether normally, whether exist latency fault that reference is provided.
Transformer insulation oil electric test device of the present utility model, it comprises for the oil vessel of splendid attire insulating oil and is located at the electrode pair for discharging in described oil vessel, the sidewall of described oil vessel is provided with the oilhole of getting for taking out insulating oil, and on described oil vessel, offer the second connecting hole that is positioned at first connecting hole at top and is positioned at bottom, described electrode pair is connected with oscillograph and comprises the top electrode and the bottom electrode that are oppositely arranged, described top electrode is through described the first connecting hole, described bottom electrode bottom is connected with through described the second connecting hole and for the ground electrode of ground connection.
Further, transformer insulation oil electric test device of the present utility model also comprises the circular control mechanism that the insulating oil for controlling in described oil vessel circulates, described circular control mechanism comprises oil pump, oil inlet pipe and flowline, one end of described oil inlet pipe is connected with the oil inlet end of described oil pump, the other end is fixed on described oil vessel and form connectivity structure, and one end of described flowline is connected with the oil outlet end of described oil pump, the other end is fixed on described oil vessel and form connectivity structure.
Further, transformer insulation oil electric test device of the present utility model also comprises parcel described oil vessel for regulating the controlled temperature cabinet of insulating oil temperature, described controlled temperature cabinet is provided with described and gets the oil that oilhole is connected and chew, and described top electrode, ground electrode, oil inlet pipe, flowline are all connected with described oil vessel through the housing of described controlled temperature cabinet.
Further, offer the 3rd connecting hole that is positioned at lower sidewalls and the 4th connecting hole that is positioned at top on described oil vessel, described oil inlet pipe, flowline are fixed on described oil vessel by described the 3rd connecting hole, the 4th connecting hole respectively.
Further, described the first connecting hole is located at the top center of described oil vessel, described the second connecting hole is located at the bottom centre of described oil vessel, between described oil vessel and the top of described controlled temperature cabinet, be equipped with insulation column between bottom, described top electrode and ground electrode are all through the center of corresponding described insulation column.
Further, described oil vessel and controlled temperature cabinet be provided with match for observing the transparent window of discharge process.
Further, described in, get oilhole and be located at the position between described top electrode and bottom electrode on described oil vessel sidewall.
Further, described oil vessel is made up of polymethylmethacrylate.
Further, described top electrode comprises pitman and is connected to the discharge head of described pitman end with removably, described the first connecting hole is screw, described pitman surface is provided with the external thread matching with described the first connecting hole, makes the described pitman can be along the axially-movable of described the first connecting hole.
Further, described bottom electrode is tabular, and described discharge head is needle-like, spherical or tabular.
The beneficial effects of the utility model: transformer insulation oil electric test device of the present utility model, insulating oil joins in oil vessel and the bottom of submergence bottom electrode and top electrode, between top electrode and bottom electrode, form discharge electric field, form after high pressure when switching on power, between top electrode and bottom electrode, form arc discharge, cause the insulating oil ionization in electric field produce gas and be dissolved in insulating oil; By oscilloscope measurement voltage Real-time Collection discharge waveform, to control flexibly low-energy shelf depreciation and high-octane disruptive discharge, thereby accurately simulate the transformer electric fault of shelf depreciation, disruptive discharge, in addition, can simulate dissimilar and electric fault strength of discharge by the distance between shape and the electrode pair of change electrode pair; Can obtain continuously the insulating oil sample various electric faults from getting oilhole, to measure oil dissolved gas component concentration, thereby for judge transformer operation conditions whether normally, whether exist latency fault that reference is provided; The utlity model has advantage simple in structure, easy to operate, simulation is high, there is very strong popularization practical value.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is structural representation of the present utility model.
Embodiment
Fig. 1 is structural representation of the present utility model, as shown in the figure: the transformer insulation oil electric test device of the present embodiment, it comprises for the oil vessel 1 of splendid attire insulating oil and is located at the electrode pair for discharging in described oil vessel 1, the sidewall of described oil vessel 1 is provided with gets oilhole 11 for what take out insulating oil, and on described oil vessel 1, offer the second connecting hole 13 that is positioned at first connecting hole 12 at top and is positioned at bottom, described electrode pair is connected with oscillograph (not shown) and comprises the top electrode and the bottom electrode 22 that are oppositely arranged, described top electrode is through described the first connecting hole 12, described bottom electrode 22 bottoms are connected with through described the second connecting hole 13 and for the ground electrode 4 of ground connection, oil vessel 1 is cylindric, adopts insulating material to make, get oilhole 11 and be located at oil vessel 1 bottom as far as possible, can certainly be opened in oil vessel 1 bottom, be convenient to get oil, oscillograph is for being converted into squiggle by voltage signal, and its structure and connected mode are consistent with prior art, do not repeat them here, being oppositely arranged is to have space between top electrode and bottom electrode 22, and not directly contact, between top electrode and the first connecting hole 12, be tightly connected between ground electrode 4 and the second connecting hole 13, prevent the Leakage Gas ionizing out, bottom electrode 22 is connected with ground electrode 4, and useless electric current or noise importing the earth protection user are not electrically shocked, insulating oil (or potpourri of insulating oil and insulating board) joins in oil vessel 1 and the bottom (being the part that top electrode penetrates oil vessel 1) of submergence bottom electrode 22 and top electrode, between top electrode and bottom electrode 22, form discharge electric field, form after high pressure when switching on power, between top electrode and bottom electrode 22, form arc discharge, cause the insulating oil ionization in electric field produce gas and be dissolved in insulating oil, by oscilloscope measurement voltage Real-time Collection discharge waveform, to control flexibly low-energy shelf depreciation and high-octane disruptive discharge, thereby accurately simulate the transformer electric fault of shelf depreciation, disruptive discharge, in addition, can simulate dissimilar and electric fault strength of discharge by the distance between shape and the electrode pair of change electrode pair, can obtain continuously the insulating oil sample various electric faults from getting oilhole 11, to measure oil dissolved gas component concentration, thereby for judge transformer operation conditions whether normally, whether exist latency fault that reference is provided.
In the present embodiment, transformer insulation oil electric test device of the present utility model also comprises the circular control mechanism that the insulating oil for controlling in described oil vessel 1 circulates, described circular control mechanism comprises oil pump 51, oil inlet pipe 52 and flowline 53, one end of described oil inlet pipe 52 is connected with the oil inlet end of described oil pump 51, the other end is fixed on described oil vessel 1 and form connectivity structure, and one end of described flowline 53 is connected with the oil outlet end of described oil pump 51, the other end is fixed on described oil vessel 1 and form connectivity structure; Circular control mechanism can make insulating oil circulate, and controls the flowing velocity of insulating oil in oil vessel 1, with the oily Flow Velocity of insulating oil in Reality simulation oil-immersed type transformer, makes simulation process more approaching true; Meanwhile, circulate and can make the oil dissolved gas of insulating oil more even, the result that sampling is detected is more accurate; The structure of oil pump 51 is same as the prior art, does not repeat them here; Adopt oil pump 51 can conveniently control oily Flow Velocity, oil pump 51 is fixed on oil vessel 1 outside, to simplify the structure of this analogue means; Oil inlet pipe 52 and flowline 53 are all tightly connected with oil vessel 1, form oil pipeline.
In the present embodiment, transformer insulation oil electric test device of the present utility model also comprises parcel described oil vessel 1 for regulating the controlled temperature cabinet 6 of insulating oil temperature, described controlled temperature cabinet 6 is provided with described and gets the oil that oilhole 11 is connected and chew 7, and described top electrode, ground electrode 4, oil inlet pipe 52, flowline 53 are all connected with described oil vessel 1 through the housing of described controlled temperature cabinet 6; In oil vessel 1, be located at controlled temperature cabinet 6; Controlled temperature cabinet 6 can accurately be controlled within the scope of 0-120 DEG C, the temperature while normally operation with analogue transformer, make simulation process more approaching true, testing result is more accurate; Heating cabinet adopts fill insulant material in double-layer plate to make as glass heat-insulating cotton, can be designed to the cube-shaped of regular shape, facilitate the installation of control instrument, heating tube and condenser, and outward appearance is neat and artistic; Insulation can adopts resistive heater that thermal source is provided, and adopts semiconductor cooler, heating radiator and exhaust fan to carry out humidity control, adopts Intelligent humiture controller control humiture to ensure that temperature in casing, humidity are constant; It is the structure of similar existing water swivel that oil chews 7, and the stream that can control insulating oil stops and adjusts as required discharge, is convenient to sampling.
In the present embodiment, on described oil vessel 1, offer the 3rd connecting hole 14 that is positioned at lower sidewalls and the 4th connecting hole 15 that is positioned at top, described oil inlet pipe 52, flowline 53 are fixed on described oil vessel 1 by described the 3rd connecting hole 14, the 4th connecting hole 15 respectively; The 3rd connecting hole 14 is located at and is got oilhole 11 lower positions; The 3rd connecting hole 14, the 4th connecting hole 15 are located at respectively the both sides of electrode pair, and their axis is perpendicular, the perturbation action to insulating oil while work to strengthen oil pump 51, makes the circulation of insulating oil more thorough, dissolved gas in oil is more even, reduces test error.
In the present embodiment, described the first connecting hole 12 is located at the top center of described oil vessel 1, described the second connecting hole 13 is located at the bottom centre of described oil vessel 1, between described oil vessel 1 and the top of described controlled temperature cabinet 6, between bottom, be equipped with insulation column 8, described top electrode and ground electrode 4 are all through the center of corresponding described insulation column 8; The dead in line of the first connecting hole 12 and the second connecting hole 13, the setting of electrode pair simultaneously, also with axis symmetry, is convenient to the processing and manufacturing of oil vessel 1, the center of top crown and bottom crown is just right, make the electric field intensity between them even, insulating oil is formed to uniform ionizing event, reduce test error; Insulation column 8 is insulator, supporting oil container 1 and make oil vessel 1 and controlled temperature cabinet 6 between relative fixing, ensure the insulation between electrode pair and controlled temperature cabinet 6 simultaneously, avoid electric leakage, the security of strengthen test; Certainly, at least it contacts to such an extent that outside surface need be to keep insulation top electrode with controlled temperature cabinet 6.
In the present embodiment, described oil vessel 1 and controlled temperature cabinet 6 be provided with match for observing the transparent window (not shown) of discharge process; Match and refer to hole shape on oil vessel 1 and controlled temperature cabinet 6, in the same size, although or inconsistently do not affect observation; The sealing of viewport adopting quartz glass, convenient observation and high-speed camera shooting electric discharge; Certainly, viewport also can replace with observation groove.
In the present embodiment, described in get oilhole 11 and be located at the position between described top electrode and bottom electrode 22 on described oil vessel 1 sidewall; Get the height of oilhole 11 between the bottom of top electrode and the top of bottom electrode 22, and near the bottom of top electrode, in the time getting oil, preferentially flow out the insulating oil fully being ionized as far as possible, the oil dissolved gas containing in the oil sample taking out is more even, to reduce test error.
In the present embodiment, described oil vessel 1 is made up of polymethylmethacrylate; Polymethylmethacrylate is organic glass, and oil vessel 1 is made up of organic glass, and its physical strength is higher, has certain heat-resisting low temperature resistance, and corrosion-resistant, insulating property are good, and are easy to moulding; In the time adopting water white organic glass, can also omit the viewport structure on oil vessel 1, be convenient to processing and manufacturing.
In the present embodiment, described top electrode comprises pitman 21a and is connected to the discharge head 21b of described pitman 21a end with removably, described the first connecting hole 12 is screw, described pitman 21a surface is provided with the external thread matching with described the first connecting hole 12, makes the described pitman 21a can be along the axially-movable of described the first connecting hole 12; Pitman 21a exterior insulation, inside is provided with the parts that electric current is directed to discharge head 21b as copper cash; Certainly, pitman 21a also can use other structure, as long as can ensure insulation and electric discharge smoothly between top electrode and controlled temperature cabinet 6; Change the shape of discharge head 21b, and pitman 21a is by adjusting the distance between discharge head 21b and bottom crown from axle spiral, all can realize the electric fault of simulating dissimilar and strength of discharge, is convenient to regulate in real time; In addition,, for the tightness that ensures to be threaded, between pitman 21a and the first connecting hole 12, can set up O-ring seal.
In the present embodiment, described bottom electrode 22 is tabular, and described discharge head 21b is needle-like; Bottom electrode 22 is a battery lead plate; Electrode pair forms pin-plate electrode structure, and the most advanced and sophisticated neighborhood of discharge head 21b has extremely strong electric field, easily forms discharge electric field; Certainly, electrode pair can also be replaced to the electrode structure such as plate-plate, pin-ball, to obtain different flash-over characteristics.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (10)
1. a transformer insulation oil electric test device, it is characterized in that: it comprises for the oil vessel of splendid attire insulating oil and is located at the electrode pair for discharging in described oil vessel, the sidewall of described oil vessel is provided with the oilhole of getting for taking out insulating oil, and on described oil vessel, offer the second connecting hole that is positioned at first connecting hole at top and is positioned at bottom, described electrode pair is connected with oscillograph and comprises the top electrode and the bottom electrode that are oppositely arranged, described top electrode is through described the first connecting hole, described bottom electrode bottom is connected with through described the second connecting hole and for the ground electrode of ground connection.
2. transformer insulation oil electric test device according to claim 1, it is characterized in that: analogue means also comprises the circular control mechanism that the insulating oil for controlling in described oil vessel circulates, described circular control mechanism comprises oil pump, oil inlet pipe and flowline, one end of described oil inlet pipe is connected with the oil inlet end of described oil pump, the other end is fixed on described oil vessel and form connectivity structure, and one end of described flowline is connected with the oil outlet end of described oil pump, the other end is fixed on described oil vessel and form connectivity structure.
3. transformer insulation oil electric test device according to claim 2, it is characterized in that: analogue means also comprises parcel described oil vessel for regulating the controlled temperature cabinet of insulating oil temperature, described controlled temperature cabinet is provided with described and gets the oil that oilhole is connected and chew, and described top electrode, ground electrode, oil inlet pipe, flowline are all connected with described oil vessel through the housing of described controlled temperature cabinet.
4. transformer insulation oil electric test device according to claim 3, it is characterized in that: on described oil vessel, offer the 3rd connecting hole that is positioned at lower sidewalls and the 4th connecting hole that is positioned at top, described oil inlet pipe, flowline are fixed on described oil vessel by described the 3rd connecting hole, the 4th connecting hole respectively.
5. transformer insulation oil electric test device according to claim 4, it is characterized in that: described the first connecting hole is located at the top center of described oil vessel, described the second connecting hole is located at the bottom centre of described oil vessel, between described oil vessel and the top of described controlled temperature cabinet, be equipped with insulation column between bottom, described top electrode and ground electrode are all through the center of corresponding described insulation column.
6. transformer insulation oil electric test device according to claim 5, is characterized in that: described oil vessel and controlled temperature cabinet be provided with match for observing the transparent window of discharge process.
7. according to the transformer insulation oil electric test device described in any one in claim 1 to 6, it is characterized in that: described in get oilhole and be located at the position between described top electrode and bottom electrode on described oil vessel sidewall.
8. transformer insulation oil electric test device according to claim 7, is characterized in that: described oil vessel is made up of polymethylmethacrylate.
9. transformer insulation oil electric test device according to claim 8, it is characterized in that: described top electrode comprises pitman and is connected to the discharge head of described pitman end with removably, described the first connecting hole is screw, described pitman surface is provided with the external thread matching with described the first connecting hole, makes the described pitman can be along the axially-movable of described the first connecting hole.
10. transformer insulation oil electric test device according to claim 9, is characterized in that: described bottom electrode is tabular, described discharge head is needle-like, spherical or tabular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420228780.0U CN203825122U (en) | 2014-05-06 | 2014-05-06 | Electrical testing device for insulating oil of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420228780.0U CN203825122U (en) | 2014-05-06 | 2014-05-06 | Electrical testing device for insulating oil of transformer |
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| Publication Number | Publication Date |
|---|---|
| CN203825122U true CN203825122U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420228780.0U Expired - Lifetime CN203825122U (en) | 2014-05-06 | 2014-05-06 | Electrical testing device for insulating oil of transformer |
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| CN (1) | CN203825122U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941128A (en) * | 2014-05-06 | 2014-07-23 | 国家电网公司 | Transformer electrical fault simulation device |
| CN104459411A (en) * | 2014-12-17 | 2015-03-25 | 国网上海市电力公司 | Double-cavity transformer thermal ageing real-time simulation measuring device and application thereof |
| CN104459412A (en) * | 2014-12-17 | 2015-03-25 | 国网上海市电力公司 | Transformer thermal ageing real-time simulation measurement device and application thereof |
| CN106324453A (en) * | 2016-08-15 | 2017-01-11 | 广东电网有限责任公司电力科学研究院 | Oil gap insulation discharging test platform |
| CN108414903A (en) * | 2018-03-21 | 2018-08-17 | 广东电网有限责任公司电力科学研究院 | A kind of long oil clearance breakdown test system and method for transformer |
| 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 |
| CN113466602A (en) * | 2021-08-24 | 2021-10-01 | 华北电力大学（保定） | Arc experiment testing method and system |
| CN114371375A (en) * | 2021-12-24 | 2022-04-19 | 山东大学 | Method and system for simulating and measuring arc discharge in converter transformer insulating oil |
-
2014
- 2014-05-06 CN CN201420228780.0U patent/CN203825122U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941128A (en) * | 2014-05-06 | 2014-07-23 | 国家电网公司 | Transformer electrical fault simulation device |
| CN104459411A (en) * | 2014-12-17 | 2015-03-25 | 国网上海市电力公司 | Double-cavity transformer thermal ageing real-time simulation measuring device and application thereof |
| CN104459412A (en) * | 2014-12-17 | 2015-03-25 | 国网上海市电力公司 | Transformer thermal ageing real-time simulation measurement device and application thereof |
| CN104459412B (en) * | 2014-12-17 | 2018-05-22 | 国网上海市电力公司 | A kind of transformer heat ageing real-time Simulation measuring device and its application |
| CN106324453A (en) * | 2016-08-15 | 2017-01-11 | 广东电网有限责任公司电力科学研究院 | Oil gap insulation discharging test platform |
| CN108414903A (en) * | 2018-03-21 | 2018-08-17 | 广东电网有限责任公司电力科学研究院 | A kind of long oil clearance breakdown test system and method for transformer |
| 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 |
| CN113466602A (en) * | 2021-08-24 | 2021-10-01 | 华北电力大学（保定） | Arc experiment testing method and system |
| CN114371375A (en) * | 2021-12-24 | 2022-04-19 | 山东大学 | Method and system for simulating and measuring arc discharge in converter transformer insulating oil |
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