CN208255141U - A kind of experimental provision that analogue transformer oil dissolved gas changes with shelf depreciation - Google Patents
A kind of experimental provision that analogue transformer oil dissolved gas changes with shelf depreciation Download PDFInfo
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- CN208255141U CN208255141U CN201820419684.2U CN201820419684U CN208255141U CN 208255141 U CN208255141 U CN 208255141U CN 201820419684 U CN201820419684 U CN 201820419684U CN 208255141 U CN208255141 U CN 208255141U
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- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000004804 winding Methods 0.000 claims abstract description 24
- 239000012530 fluid Substances 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 230000005684 electric field Effects 0.000 claims abstract description 4
- 239000000446 fuel Substances 0.000 claims description 17
- 239000003129 oil well Substances 0.000 claims description 15
- 238000012546 transfer Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 45
- 238000011161 development Methods 0.000 description 6
- 230000018109 developmental process Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model discloses a kind of experimental provisions that analogue transformer oil dissolved gas changes with shelf depreciation, including transformer model, failure cavity, oily circulation mechanism and gas-detecting device, transformer model includes shell, the pouring orifice of cover top portion is set, outer casing underpart is arranged in takes the high-voltage winding of hydraulic fluid port and setting inside the shell, low pressure winding and iron core, the side of the shell of transformer model is connected by oil circuit pipeline with failure cavity, the other side is connected by oil circuit pipeline with oily circulation mechanism, the failure cavity is connected with oily circulation mechanism by oil circuit pipeline, by pouring orifice to transformer model, it is oil-filled in failure cavity and oily circulation mechanism, oily circulation mechanism circulates oil in transformer model and failure cavity；High-voltage winding and low pressure winding are respectively sleeved on iron core, the distribution of analogue transformer internal electric field and production gas；Gas detection module and measures the content of dissolved gas in oil sample from taking hydraulic fluid port to collect oil sample in transformer model.
Description
Technical field
The utility model belongs to High-Voltage Experiment technical field, and in particular to a kind of analogue transformer oil dissolved gas with
The experimental provision of shelf depreciation development and change.
Background technique
Oil-filled power transformer, by hot, electrically and mechanically aspect power effect gradually aging, produces in normal course of operation
Raw certain fuel gas, when transformer is there are when potentiality failure, the absolute gas production of gas and gas produce gas velocity degree will have it is bright
Aobvious variation, takes transformer oil sample, after obtaining oil dissolved gas concentration by red, orange, green, blue, yellow (ROGBY), so that it may to the failure of transformer
Situation is analyzed.Since the research of discharge fault gas production mechanism needs normal transformer to change to discharge fault in transformer oil
Oil dissolved gas data, how analogue transformer oil dissolved gas with shelf depreciation development and change, measures feature gas in oil
Body is introduced with failure and development and change, is still technical problem to be solved.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of analogue transformer oil dissolved gas
With the experimental provision that shelf depreciation changes, analog transformer is normal and the gas production system of discharge fault development.
The technical scheme adopted by the utility model is
A kind of experimental provision that analogue transformer oil dissolved gas changes with shelf depreciation, including transformer model, event
Hindering cavity, oily circulation mechanism and gas-detecting device, the transformer model includes shell, the oiling that cover top portion is arranged in
Mouthful, outer casing underpart is set take hydraulic fluid port and setting high-voltage winding, low pressure winding and iron core inside the shell, the transformer mould
The side of the shell of type is connected by oil circuit pipeline with failure cavity, and the other side is connected by oil circuit pipeline with oily circulation mechanism
Logical, the failure cavity is connected with oil circulation mechanism by oil circuit pipeline, by pouring orifice to transformer model, failure cavity
With it is oil-filled in oily circulation mechanism, oily circulation mechanism circulates oil in transformer model and failure cavity；High-voltage winding and low
Pressure winding is respectively sleeved on iron core, the distribution of analogue transformer internal electric field and production gas；Gas detection module is collected from taking hydraulic fluid port
Oil sample in transformer model, and measure the content of dissolved gas in oil sample.
Further, there are two outlet terminal, an outlet terminal is located at outer for the cover top portion setting of the transformer model
One end in shell is connect with high-voltage winding, and one end outside shell is unloaded or connection loads；Another outlet terminal is located at shell
Interior one end is connect with low pressure winding, and one end outside shell connects power supply.
Further, the failure cavity is quartz glass cavity.
Further, it is provided with discharging model in the failure cavity, for simulating discharge fault；The discharging model packet
Include power supply terminal, ground terminal and detachable fault model.
Further, one end of the power supply terminal connects detachable fault model by screw thread, and the other end runs through failure chamber
The lamina tecti of body connects high-field electrode by screw thread；One end of ground terminal is connected through a screw thread disc motor, and the other end is through event
The bottom of barrier cavity is connected through a screw thread metal nuts ground connection.
Further, the detachable fault model includes pin electrode, cylinder electrode and Duo Gen plastic bar, is incited somebody to action by nut
Two insulating boards are fixed on plastic bar in parallel, and metal needle, the pin electrode and cylinder electricity are fixedly installed on insulating board
Pole is separately mounted in the circular hole among two insulation boards.
Further, the pouring orifice and hydraulic fluid port is taken to be respectively arranged with switch.
Further, the oil circuit pipeline uses high-temperature resistant hydraulic wire braided hose.
Further, the oily circulation mechanism includes fuel reserve tank, oil well pump, oil transfer pump, temperature detector, oil amount detector
And control device, the oil inlet of the oil well pump and the oil outlet pipeline connection of fuel reserve tank, the oil outlet of the oil well pump and change
Depressor model pipeline connection；The oil inlet and failure cavity pipeline connection of the oil transfer pump and the oil inlet of its oil outlet and fuel reserve tank
Mouth pipeline connection, failure cavity, oil well pump, fuel reserve tank, oil transfer pump, transformer model form oily dynamic circulation circuit, temperature inspection
It surveys device to be mounted on above-mentioned circulation loop, oil amount detector is mounted in fuel reserve tank, and the control device connects oil well pump, oil transportation
Pump, temperature detector and oil amount detector.
Further, the gas-detecting device includes Oil-gas Separation module, gas detection module and data processing module,
The Oil-gas Separation module takes hydraulic fluid port to connect by pipeline and transformer model, collects oil sample in transformer model, and will be oily
Gas chamber is flowed into after dissolved gas is separated in sample, and gas is acquired by being mounted on gas indoor gas detection module,
And the signal acquired, to data processor, the data processor exports electric signal according to gas detection module and obtains containing for gas
Amount.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model passes through oil circuit piping connection transformer model, failure cavity, recycle unit, analog transformation
Device is normal and the gas production system of discharge fault development；
(2) the failure cavity of the utility model, should using the quartz glass failure cavity for accommodating interchangeable discharging model
Cavity has good air-tightness；Oil circuit pipeline uses high-temperature resistant hydraulic wire braided hose.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the experiment that analogue transformer oil dissolved gas changes with shelf depreciation disclosed in the utility model embodiment
Apparatus structure schematic diagram；
Fig. 2 is transformer model structural schematic diagram；
Wherein, 1, transformer model, 2, failure cavity, 3, oily circulation mechanism, 4, oil circuit pipeline, 5, shell, 6, high voltage winding
Group, 7, low pressure winding, 8, iron core, 9, outlet terminal, 10, pouring orifice, 11, take hydraulic fluid port.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In a kind of typical embodiment of the application, as shown in Figure 1, providing solution gas in a kind of analogue transformer oil
The experiment porch that body changes with shelf depreciation, the experiment porch include transformer model 1, failure cavity 2,3 and of oily circulation mechanism
Gas-detecting device；Transformer model, failure cavity and oily circulation mechanism are connected by oil circuit pipeline 4, analog transformer is just
The gas production system of normal and discharge fault development.
As shown in Fig. 2, the transformer model 1 include shell 5, cover top portion is set pouring orifice 10, setting outside
Shell lower part takes hydraulic fluid port 11 and setting high-voltage winding 6, low pressure winding 7 and iron core 8 inside the shell, in analog real transformer
Portion's field distribution simulates normal transformer and produces gas；The side of the shell of the transformer model 1 passes through oil circuit pipeline and failure chamber
Body 2 is connected, and the other side is connected by oil circuit pipeline with oily circulation mechanism 3, and the failure cavity 2 and oily circulation mechanism 3 are logical
It crosses oil circuit pipeline to be connected, oil-filled into transformer model 1, failure cavity 2 and oily circulation mechanism 3 by pouring orifice 10, oil follows
Ring mechanism 3 circulates oil in transformer model 1 and failure cavity 2；High-voltage winding 6 and low pressure winding 7 are respectively sleeved at iron
On core 8, the distribution of analogue transformer internal electric field and production gas.By pouring orifice 10 and hydraulic fluid port 11 can be taken to supplement and acquire oil
Sample.In the pouring orifice and hydraulic fluid port is taken to be respectively arranged with the good switch of air-tightness, shell there should be good earth.
There are two outlet terminal 9, an outlet terminal is located at one in shell for the cover top portion setting of the transformer model
End is connect with high-voltage winding, and one end outside shell is unloaded or connection loads；Another outlet terminal is located at one end in shell
It is connect with low pressure winding, one end outside shell connects power supply.
The failure cavity is quartz glass cavity, and cavity has good air-tightness.It is provided in the failure cavity
Discharging model, for simulating discharge fault.The discharging model includes power supply terminal, ground terminal and detachable fault model.
The power supply terminal is 2 centimetres of diameter of the lamina tecti through failure cavity, and long 10 centimetres of cylindrical copper rod, power supply terminal can
It slides up and down, there is screw thread at power supply terminal both ends, and one end that power supply terminal is located at failure cavity is connect by screw thread can load and unload failure mould
Type, one end outside failure cavity connect high-field electrode by screw thread.Ground terminal is through 1 li of diameter of failure cavity bottom
Rice, long 5 centimetres of cylinder copper rods, ground terminal are located at the intracorporal one end of failure chamber and are connected through a screw thread 2 centimetres, 10 centimetres of diameter of thickness
Brass discs electrode, one end outside failure cavity are connected through a screw thread metal nuts ground connection.Detachably fault model includes
2 centimetres of diameter, long 10 centimetres of ends have the pin electrode of nut, and 4 centimetres of diameter, long 5 centimetres of one section of end has the circle of nut
Two insulating boards can be fixed on plastic bar by nut by column electrode and three diameter 0.6cm, the plastic bar of long 7.5cm
On, it is distributed in upper layer and lower layer, metal needle is fixed on insulating board, pin mark pole is passed through into the circle among one layer of insulating board
Cylinder electrode is passed through the circular hole among another layer of insulating board, analog suspended discharge by hole.
The oil circuit pipeline uses high-temperature resistant hydraulic wire braided hose, and operating temperature range is -40 DEG C -+100 DEG C.
The oily circulation mechanism with temperature control and oil flow rate control includes fuel reserve tank, oil well pump, oil transfer pump, temperature
Detector, oil amount detector and control device, the oil inlet of the oil well pump and the oil outlet pipeline connection of fuel reserve tank, the pumping
The oil outlet and transformer model pipeline connection of oil pump；The oil inlet of the oil transfer pump and failure cavity pipeline connection and its is fuel-displaced
The oil inlet pipeline connection of mouth and fuel reserve tank, failure cavity, oil well pump, fuel reserve tank, oil transfer pump, transformer model form oily dynamic
Circulation loop, temperature detector are mounted on above-mentioned circulation loop, and oil amount detector is mounted in fuel reserve tank, the control device
Connect oil well pump, oil transfer pump, temperature detector and oil amount detector, the temperature of temperature detector detection oil, oil amount detector inspection
The oil mass in fuel reserve tank is surveyed, control device obtains oil mass information, oil temperature in fuel reserve tank by oil amount detector, temperature detector
Information controls the oil flow rate of oil well pump and oil transfer pump.The control device uses the controller of prior art construction.
The gas-detecting device includes Oil-gas Separation module, gas detection module and data processing module, the oil gas
Separation module takes hydraulic fluid port to connect by pipeline and transformer model, collects oil sample in transformer model, and will dissolve in oil sample
Gas flows into gas chamber after separating, and is acquired by being mounted on the indoor gas detection module of gas to gas, and acquire
Signal to data processor, the data processor exports electric signal according to gas detection module and obtains the content of gas.
The analogue transformer oil dissolved gas that the present embodiment as shown in Figure 1 proposes is flat with the experiment that shelf depreciation changes
Platform is in use, test platform is oil-filled, it is ensured that normal transformer model 1, full of oil, becomes with failure cavity 2, recycle unit 3, oil circuit 4
1 making alive of depressor model starts oily circulation mechanism 3, and voltage is not added in failure cavity 2, by taking hydraulic fluid port 11 to acquire transformer oil sample,
And oil dissolved gas content is measured, and continuous operation collects normal transformer oil sample, and it is every by 10 transformer oil sample acquisitions, pass through note
Hydraulic fluid port 10 is full of to transformer model oiling to transformer model；Failure cavity 2 adds in the case where not disconnecting transformer model 1
Voltage simulates discharge fault, collects discharge fault transformer oil sample.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this
The limitation of type protection scope, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel do not need to make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (10)
1. a kind of experimental provision that analogue transformer oil dissolved gas changes with shelf depreciation, characterized in that including transformer
Model, failure cavity, oily circulation mechanism and gas-detecting device, the transformer model include shell, are arranged in cover top portion
Pouring orifice, outer casing underpart is set take hydraulic fluid port and setting high-voltage winding, low pressure winding and iron core inside the shell, the change
The side of the shell of depressor model is connected by oil circuit pipeline with failure cavity, and the other side passes through oil circuit pipeline and oily circulator
Structure is connected, and the failure cavity is connected with oily circulation mechanism by oil circuit pipeline, by pouring orifice to transformer model, former
Oil-filled in barrier cavity and oily circulation mechanism, oily circulation mechanism circulates oil in transformer model and failure cavity；High voltage winding
Group and low pressure winding are respectively sleeved on iron core, the distribution of analogue transformer internal electric field and production gas；Gas detection module is from taking oil
Mouth collects oil sample in transformer model, and measures the content of dissolved gas in oil sample.
2. the experimental provision that analogue transformer oil dissolved gas according to claim 1 changes with shelf depreciation, special
Sign is, the cover top portion setting of the transformer model there are two outlet terminal, an outlet terminal be located at one end in shell and
High-voltage winding connection, one end outside shell is unloaded or connection loads；Another outlet terminal be located at one end in shell with it is low
Winding connection is pressed, one end outside shell connects power supply.
3. the experimental provision that analogue transformer oil dissolved gas according to claim 1 changes with shelf depreciation, special
Sign is that the failure cavity is quartz glass cavity.
4. the experimental provision that analogue transformer oil dissolved gas according to claim 1 changes with shelf depreciation, special
Sign is discharging model to be provided in the failure cavity, for simulating discharge fault；The discharging model include power supply terminal,
Ground terminal and detachable fault model.
5. the experimental provision that analogue transformer oil dissolved gas according to claim 4 changes with shelf depreciation, special
Sign is that one end of the power supply terminal connects detachable fault model by screw thread, and the other end is logical through the lamina tecti of failure cavity
It crosses screw thread and connects high-field electrode；One end of ground terminal is connected through a screw thread disc motor, and the other end runs through the bottom of failure cavity
It is connected through a screw thread metal nuts ground connection.
6. the experimental provision that analogue transformer oil dissolved gas according to claim 4 changes with shelf depreciation, special
Sign is, the detachable fault model includes pin electrode, cylinder electrode and Duo Gen plastic bar, by nut by two insulating boards
It is fixed on plastic bar in parallel, metal needle is fixedly installed on insulating board, the pin electrode and cylinder electrode are separately mounted to
In circular hole among two insulation boards.
7. the experimental provision that analogue transformer oil dissolved gas according to claim 1 changes with shelf depreciation, special
Sign is, the pouring orifice and hydraulic fluid port is taken to be respectively arranged with switch.
8. the experimental provision that analogue transformer oil dissolved gas according to claim 1 changes with shelf depreciation, special
Sign is that the oil circuit pipeline uses high-temperature resistant hydraulic wire braided hose.
9. the experimental provision that analogue transformer oil dissolved gas according to claim 1 changes with shelf depreciation, special
Sign is, the oil circulation mechanism includes fuel reserve tank, oil well pump, oil transfer pump, temperature detector, oil amount detector and control device,
The oil inlet of the oil well pump and the oil outlet pipeline connection of fuel reserve tank, the oil outlet and transformer model pipeline of the oil well pump
Connection；The oil inlet and failure cavity pipeline connection of the oil transfer pump and the oil inlet pipeline connection of its oil outlet and fuel reserve tank,
Failure cavity, oil well pump, fuel reserve tank, oil transfer pump, transformer model form oily dynamic circulation circuit, and temperature detector is mounted on
It states on circulation loop, oil amount detector is mounted in fuel reserve tank, and the control device connects oil well pump, oil transfer pump, temperature detection
Device and oil amount detector.
10. the experimental provision that analogue transformer oil dissolved gas according to claim 1 changes with shelf depreciation, special
Sign is that the gas-detecting device includes Oil-gas Separation module, gas detection module and data processing module, the Oil-gas Separation
Module takes hydraulic fluid port to connect by pipeline and transformer model, collects oil sample in transformer model, and by dissolved gas in oil sample
The signal for flowing into gas chamber after separating, gas being acquired by being mounted on gas indoor gas detection module, and acquire
To data processor, the data processor exports electric signal according to gas detection module and obtains the content of gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820419684.2U CN208255141U (en) | 2018-03-27 | 2018-03-27 | A kind of experimental provision that analogue transformer oil dissolved gas changes with shelf depreciation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820419684.2U CN208255141U (en) | 2018-03-27 | 2018-03-27 | A kind of experimental provision that analogue transformer oil dissolved gas changes with shelf depreciation |
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| Publication Number | Publication Date |
|---|---|
| CN208255141U true CN208255141U (en) | 2018-12-18 |
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| CN201820419684.2U Active CN208255141U (en) | 2018-03-27 | 2018-03-27 | A kind of experimental provision that analogue transformer oil dissolved gas changes with shelf depreciation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109377814A (en) * | 2018-12-19 | 2019-02-22 | 国家电网有限公司 | Power transformer tests skills training Intelligent Simulation System |
| CN112269016A (en) * | 2020-10-12 | 2021-01-26 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Oil-filled cable internal insulation oil dissolved gas diffusion simulation experiment device |
| CN115236233A (en) * | 2022-07-25 | 2022-10-25 | 国网江苏省电力有限公司电力科学研究院 | System and method for detecting gas solubility, voltage resistance and partial discharge gas of transformer |
-
2018
- 2018-03-27 CN CN201820419684.2U patent/CN208255141U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109377814A (en) * | 2018-12-19 | 2019-02-22 | 国家电网有限公司 | Power transformer tests skills training Intelligent Simulation System |
| CN109377814B (en) * | 2018-12-19 | 2024-05-10 | 国家电网有限公司 | Intelligent simulation system for power transformer test skill training |
| CN112269016A (en) * | 2020-10-12 | 2021-01-26 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Oil-filled cable internal insulation oil dissolved gas diffusion simulation experiment device |
| CN112269016B (en) * | 2020-10-12 | 2022-11-04 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Oil-filled cable internal insulation oil dissolved gas diffusion simulation experiment device |
| CN115236233A (en) * | 2022-07-25 | 2022-10-25 | 国网江苏省电力有限公司电力科学研究院 | System and method for detecting gas solubility, voltage resistance and partial discharge gas of transformer |
| CN115236233B (en) * | 2022-07-25 | 2024-06-04 | 国网江苏省电力有限公司电力科学研究院 | Transformer gas solubility, pressure resistance and partial discharge gas production detection system and method |
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