CN208872842U - Discharge Simulation experimental rig - Google Patents
Discharge Simulation experimental rig Download PDFInfo
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- CN208872842U CN208872842U CN201821410231.XU CN201821410231U CN208872842U CN 208872842 U CN208872842 U CN 208872842U CN 201821410231 U CN201821410231 U CN 201821410231U CN 208872842 U CN208872842 U CN 208872842U
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Abstract
The utility model relates to a kind of Discharge Simulation experimental rigs.The Discharge Simulation experimental rig includes: fuel tank, has inner cavity and is connected to the first opening and the second opening of inner cavity；Shelf depreciation mechanism, is installed on interior intracavitary, and is electrically connected with external power supply by conductive component；Partial discharge monitoring mechanism, is set to the first opening, and partial discharge monitoring mechanism is used to obtain the electrical parameter during shelf depreciation；Vegetable insulating oil testing agency is set to second opening, and vegetable insulating oil testing agency is for detecting the component and content for being dissolved in gas in vegetable insulating oil.Above-mentioned Discharge Simulation experimental rig, fuel tank is interior to contain vegetable insulating oil, and partial discharge phenomenon occurs for the shelf depreciation mechanism being installed in fuel tank inner chamber, simulates to partial discharge phenomenon of the vegetable insulating oil in transformer.Instead of the scheme for carrying out discharge test directly in transformer in the prior art, experimentation cost is reduced, test efficiency is improved.
Description
Technical field
The utility model relates to discharge test device fields, more particularly to a kind of Discharge Simulation experimental rig.
Background technique
Vegetable insulating oil is since with renewable, can be degradable characteristic, environmental protection characteristic is good, burning point is up to 360 DEG C
Characteristics such as (mineral oil are 160~180 DEG C).Thus, the favorable substitutes that can be used as mineral insulating oil are applied in transformer.But
It is, at present to the application technology of vegetable insulating oil there are no breakthrough progress, in the safety of its performance, stability and reliable
There is also biggish gaps compared with mineral insulating oil in property.Therefore, it is necessary to carry out discharge fault test to vegetable insulating oil, come
Vegetable insulating oil electric discharge (electric discharge, oilpaper gap discharge etc. in oil) mechanism is summarized in record, analysis, is vegetable insulating oil transformer
Structure, safe operation provide reference.
However, carrying out the discharge test of vegetable insulating oil directly in transformer at present, experimentation cost is huge, and tests
Low efficiency.
Utility model content
Based on this, it is necessary to for the discharge test for carrying out vegetable insulating oil directly in transformer in the prior art, examination
Test that cost is big, the low problem of test efficiency provides a kind of reduction experimentation cost, improves the Discharge Simulation test dress of test efficiency
It sets.
Discharge Simulation experimental rig, comprising:
Fuel tank has the inner cavity for containing vegetable insulating oil, and is connected to the first opening and second of the inner cavity
Opening；
Shelf depreciation mechanism, is installed on described interior intracavitary, and is electrically connected with external power supply by conductive component；
Partial discharge monitoring mechanism is set to first opening, and the partial discharge monitoring mechanism is for obtaining part
Electrical parameter in discharge process；
Vegetable insulating oil testing agency is set to second opening, and the vegetable insulating oil testing agency is for detecting
It is dissolved in the component and content of gas in the vegetable insulating oil.
Above-mentioned Discharge Simulation experimental rig, fuel tank is interior to contain vegetable insulating oil, the shelf depreciation being installed in fuel tank inner chamber
Shelf depreciation occurs for mechanism, simulates to electric discharge phenomena of the vegetable insulating oil in transformer.Partial discharge monitoring mechanism and
Vegetable insulating oil testing agency respectively during shelf depreciation obtain shelf depreciation every electrical parameter and insulating oil it is each
Item parameter, provides reference frame for vegetable insulating oil transformer fault electric discharge phenomena.Also, instead of direct in the prior art
The scheme that discharge test is carried out in transformer, reduces experimentation cost, improves test efficiency.
In one embodiment, the Discharge Simulation experimental rig further includes the first valve, and first valve is installed on
Between first opening and the partial discharge monitoring mechanism.
In one embodiment, the fuel tank further includes the third opening for being connected to the inner cavity, the vegetable insulating oil
Testing agency has oil inlet and oil outlet, and the oil inlet is connected to second opening, and the oil outlet is connected to described
Third opening.
In one embodiment, the Discharge Simulation experimental rig further includes the second valve, and second valve is installed on
Between second opening and the oil inlet；
The Discharge Simulation experimental rig further includes third valve, and the third valve is installed on the third opening and institute
It states between oil outlet.
In one embodiment, the Discharge Simulation experimental rig further includes transparent panel；The fuel tank also has connection institute
The inspection opening of inner cavity is stated, the transparent panel is covered on the inspection opening, and is fixedly connected with the fuel tank.
In one embodiment, the Discharge Simulation experimental rig further includes fixed ring and screw fastening firmware, the inspection
The periphery of opening is equipped with positioning ring, and the fixed ring is oppositely arranged with the positioning ring, and the transparent panel is positioned at the fixation
Between ring and the positioning ring, the fixed ring is fixedly connected with the positioning ring by the screw fastening firmware, will be described
Transparent panel lock onto the positioning ring.
In one embodiment, sealing element is provided between the transparent panel and the positioning ring and the fixed ring.
In one embodiment, the fuel tank also has two the 4th openings of the connection inner cavity, the shelf depreciation
Mechanism includes two electrodes；
The conductive component includes and two one-to-one two bushings of the 4th opening each high pressure
Casing includes insulation tube and the core of leading that is set in the insulation tube, and the insulation tube is arranged in the corresponding described 4th and opens
Mouthful；
Lead end that core is located at outside the inner cavity respectively with the external power supply two of two bushings
A electrode electrical connection, is electrically connected with two electrodes of the shelf depreciation mechanism respectively positioned at the interior intracavitary end.
In one embodiment, the edge of the 4th opening has mounting flange, and the insulation pipe outer wall is equipped with fixed
Position flange, the locating flange are fixedly connected with the mounting flange.
In one embodiment, the shape and size of the fuel tank and the shape and size of oil tank of transformer are identical.
Detailed description of the invention
Fig. 1 is the main view of the Discharge Simulation experimental rig in one embodiment of the utility model；
Fig. 2 is the right view of Discharge Simulation experimental rig shown in FIG. 1；
Fig. 3 is the left view of Discharge Simulation experimental rig shown in FIG. 1；
Fig. 4 is the partial sectional view in the direction A-A in Discharge Simulation experimental rig shown in Fig. 3.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes to the utility model
The understanding of disclosure is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
Fig. 1 is the main view of the Discharge Simulation experimental rig in one embodiment of the utility model.Fig. 2 is shown in FIG. 1
The right view of Discharge Simulation experimental rig.Fig. 3 is the left view of Discharge Simulation experimental rig shown in FIG. 1.Fig. 4 is shown in Fig. 3
Discharge Simulation experimental rig in the direction A-A partial sectional view.
As shown in Figures 1 and 2, the Discharge Simulation experimental rig in an embodiment of the present invention, including fuel tank 10, part
Electric discharge mechanism 20, partial discharge monitoring mechanism (not shown) and vegetable insulating oil testing agency (not shown).
Fuel tank 10 has the inner cavity 101 for containing vegetable insulating oil, and is connected to the first opening 102 of inner cavity 101
With the second opening 103.Shelf depreciation mechanism 20 is installed in inner cavity 101, and passes through conductive component (figure is not marked) and external power supply
So that shelf depreciation mechanism 20 provides electric energy by the external power supply, and then partial discharge phenomenon occurs for (not shown) electrical connection.
Partial discharge monitoring mechanism is set to the first opening 102, and the partial discharge monitoring mechanism is for obtaining shelf depreciation
Electrical parameter in the process.Specifically, partial discharge monitoring mechanism can carry out real-time monitoring to partial discharge phenomenon, to obtain office
Portion electric discharge electrical parameter, such as view discharge charge, electric discharge repetitive rate, the energy of electric discharge, electric discharge average current, electric discharge
Square rate, discharge power, partial discharge inception voltage, extinction voltage of electric discharge etc..
Vegetable insulating oil testing agency is set to the second opening 103, and vegetable insulating oil testing agency is dissolved in for detecting
The component and content of gas in vegetable insulating oil.
Above-mentioned Discharge Simulation experimental rig, fuel tank 10 is interior to contain vegetable insulating oil, the office being installed in 10 inner cavity 101 of fuel tank
Shelf depreciation occurs for electric discharge mechanism 20, portion, simulates to the electric discharge phenomena in vegetable insulating oil transformer.Partial discharge monitoring
Mechanism and vegetable insulating oil testing agency obtain every electrical parameter and the dissolution of shelf depreciation during shelf depreciation respectively
The component and content of gas in vegetable insulating oil, for vegetable insulating oil transformer fault electric discharge phenomena provide with reference to according to
According to.Also, instead of the scheme for carrying out discharge test directly in transformer in the prior art, experimentation cost is reduced, is improved
Test efficiency.
In some embodiments, Discharge Simulation experimental rig further includes the first valve 30, and the first valve 30 is installed on first and opens
Between mouth 102 and partial discharge monitoring mechanism.When needing to be monitored local discharge process, the first valve 30 is opened, and is made
Partial discharge monitoring mechanism be connected to the inner cavity 101 of fuel tank 10, and then to the shelf depreciation process in 10 inner cavity 101 of fuel tank into
Row real-time monitoring obtains every electrical parameter.When not needing to be monitored partial discharge phenomenon, the first valve 30 is closed,
So that the inner cavity 101 of Partial Discharge Detection mechanism and fuel tank 10 disconnects.
Specific in embodiment, the first valve 30 is stainless steel or copper valve.It is understood that guarantee fuel tank 10
Leakproofness needs the favorable sealing property of first valve 30.
In some embodiments, fuel tank 10 further includes the third opening 104 for being connected to 10 inner cavity 101 of fuel tank, vegetable insulating oil
Testing agency has oil inlet and oil outlet, and the oil inlet of vegetable insulating oil testing agency is connected to the second opening 103, and plant is exhausted
The oil outlet of Yuan You testing agency is connected to third opening 104, with forming circuit, so that the plant by 103 outflow of the second opening
Object insulating oil is back to the inner cavity 101 of fuel tank 10 by third opening 104 again after being detected.
Specific in embodiment, Discharge Simulation experimental rig further includes the second valve 40, and the second valve 40 is installed on second
Between opening 103 and oil inlet.When the second valve 40 is opened, the vegetable insulating oil in 10 inner cavity 101 of fuel tank can pass through second
Valve 40 flows into vegetable insulating oil testing agency.When the second valve 40 is closed, the vegetable insulating oil in 10 inner cavity 101 of fuel tank is not
Vegetable insulating oil testing agency can be flowed into.
Specific in embodiment, Discharge Simulation experimental rig further includes third valve 50.The third valve 50 is installed on
Between three openings 104 and oil outlet.When third valve 50 is opened, the plant of vegetable insulating oil testing agency is flowed by oil inlet
Insulating oil is back to the inner cavity 101 of fuel tank 10 from the oil outlet of vegetable insulating oil testing agency.When third valve 50 is closed, plant
Vegetable insulating oil in object insulating oil testing agency cannot be back to the inner cavity 101 of fuel tank 10 by oil outlet.
Please also refer to Fig. 3 and Fig. 4, in the embodiments of the present invention, Discharge Simulation experimental rig further includes transparent panel
62.Fuel tank 10 also have connection inner cavity 101 inspection opening 106, the transparent panel 62 be covered on the inspection opening 106, and with oil
Case 10 is fixedly connected.In this way, foring inspection window, testing crew can be directed through the transparent panel 62 observation discharge process.It can
Selection of land, transparent panel 62 are glass plate.
In some embodiments, Discharge Simulation experimental rig further includes fixed ring 60 and screw fastening firmware (figure is not marked), is inspected
The periphery of opening 106 is equipped with positioning ring 64, and fixed ring 60 is oppositely arranged with positioning ring 64, and transparent panel 62 is positioned at the fixed ring 60
Between positioning ring 64, fixed ring 60 is fixedly connected with positioning ring 64 by screw fastening firmware, and it is fixed that transparent panel 62 is lock onto
Position ring 64.
Specific in embodiment, sealing element 66 is provided between transparent panel 62 and positioning ring 64 and fixed ring 60, this is close
Sealing 66 improves the leakproofness of fuel tank 10 for the gap between sealed transparent plate 62 and positioning ring 64 and fixed ring 60.It is optional
Ground, the sealing element 66 can be sealing ring made of oil resistant rubber.The screw fastening firmware can be hot galvanizing bolt.More specifically,
Screw fastening firmware includes multiple, multiple screw fastening firmware being circumferentially arranged along fixed ring 60.
In the embodiments of the present invention, fuel tank 10 also has two the 4th openings 105 of connection inner cavity 101.Conductive group
Part includes (scheming not with two the 4th 105 one-to-one two bushings 70 of opening, each bushing 70 including insulation tube
Mark) and be set in insulation tube and lead core (figure do not mark), insulation tube is arranged in corresponding 4th opening 105.
The end that core is located at outside inner cavity 101 of leading of two bushings 70 is electrically connected with two electrodes of external power supply respectively
It connects, (figure is not with two electrodes of shelf depreciation mechanism 20 respectively for the end that core is located in inner cavity 101 of leading of two bushings 70
Mark) electrical connection.In this way, realizing being electrically connected for shelf depreciation mechanism 20 and external power supply.
In some embodiments, the edge of the 4th opening 105 has mounting flange (figure is not marked), and it is fixed that insulation pipe outer wall is equipped with
Position flange (figure is not marked), locating flange is fixedly connected with mounting flange, to realize the fixed installation of bushing 70.And
And the installation of the bushing 70 of different model can be achieved in the setting of mounting flange.
Specific to being provided with sealing ring (not shown) in embodiment, between mounting flange and locating flange, the sealing ring
Material can be oil resistant rubber.
Specific in embodiment, mounting flange can be fixedly connected with locating flange by screw fastening firmware.The thread locking
Part can be hot galvanizing bolt.
In the embodiments of the present invention, fuel tank 10 also has the 5th opening of connection inner cavity 101 (figure is not marked).Discharge mould
Quasi- experimental rig further includes sample cock 80, which is connected to the 5th opening.When needing to sample, sampling valve is opened
Door 80 can be sampled.
In the embodiments of the present invention, fuel tank 10 also has the construction opening of connection inner cavity 101 (figure is not marked).Discharge mould
Quasi- experimental rig further includes the sealing cover 90 for being covered on the construction opening.When needing to install or remove shelf depreciation mechanism 20
When, sealing cover 90 is opened, protrudes into installation or removal shelf depreciation mechanism 20 in inner cavity 101 from the construction opening.It is understood that
It is that vegetable insulating oil can also be input in inner cavity 101 by the construction opening.
In the embodiments of the present invention, the shape and size of fuel tank 10 and the shape and size of oil tank of transformer are identical.
In this way, state of the state of the vegetable insulating oil in fuel tank 10 more close to it in transformer, improves the standard of test data
True property.It is understood that in the case where the influence to test data is in the range of being allowed to, fuel tank 10 and transformer oil
The shape of case can be not exactly the same with size, and there is a certain error for permission.
In some embodiments, fuel tank 10 includes top plate 11, bottom plate 13 and four side plates 15.Four side plates 15 are located at bottom plate 13
Between top plate 11.Four side plates 15 successively join end to end, and are enclosed cuboid with top plate 11 and bottom plate 13.
Specific in embodiment, first the 102, second opening 103 of opening and third opening 104 are located at same side plate 15.Two
A 4th opening 105 and construction opening are located at top plate 11.5th opening is located at any side plate 15, and is arranged close to bottom plate 13.Depending on
Opening 106 is examined to be located on another side plate 15 being oppositely arranged with the side plate 15 with the first opening 102.
Specifically, the material of fuel tank 10 can be metal.Optionally, the material of fuel tank 10 is copper.More specifically, fuel tank 10
Ground connection.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. Discharge Simulation experimental rig characterized by comprising
Fuel tank has the inner cavity for containing vegetable insulating oil, and is connected to the first opening and the second opening of the inner cavity；
Shelf depreciation mechanism, is installed on described interior intracavitary, and is electrically connected with external power supply by conductive component；
Partial discharge monitoring mechanism is set to first opening, and the partial discharge monitoring mechanism is for obtaining shelf depreciation
Electrical parameter in the process；
Vegetable insulating oil testing agency is set to second opening, and the vegetable insulating oil testing agency is for detecting dissolution
The component and content of gas in the vegetable insulating oil.
2. Discharge Simulation experimental rig according to claim 1, which is characterized in that the Discharge Simulation experimental rig also wraps
The first valve is included, first valve is installed between first opening and the partial discharge monitoring mechanism.
3. Discharge Simulation experimental rig according to claim 1, which is characterized in that the fuel tank further include be connected to it is described
The third of inner cavity is open, and the vegetable insulating oil testing agency has oil inlet and oil outlet, and the oil inlet is connected to described
Second opening, the oil outlet are connected to the third opening.
4. Discharge Simulation experimental rig according to claim 3, which is characterized in that the Discharge Simulation experimental rig also wraps
The second valve is included, second valve is installed between second opening and the oil inlet；
The Discharge Simulation experimental rig further includes third valve, the third valve be installed on third opening with it is described go out
Between hydraulic fluid port.
5. Discharge Simulation experimental rig according to claim 1, which is characterized in that the Discharge Simulation experimental rig also wraps
Include transparent panel；The fuel tank also has the inspection opening for being connected to the inner cavity, and the transparent panel is covered on the inspection opening, and
It is fixedly connected with the fuel tank.
6. Discharge Simulation experimental rig according to claim 5, which is characterized in that the Discharge Simulation experimental rig also wraps
Fixed ring and screw fastening firmware are included, the periphery for inspecting opening is equipped with positioning ring, and the fixed ring is opposite with the positioning ring
Setting, the transparent panel are positioned between the fixed ring and the positioning ring, and the fixed ring and the positioning ring pass through institute
It states screw fastening firmware to be fixedly connected, the transparent panel is lock onto the positioning ring.
7. Discharge Simulation experimental rig according to claim 6, which is characterized in that the transparent panel and the positioning ring and
Sealing element is provided between the fixed ring.
8. Discharge Simulation experimental rig according to claim 1, which is characterized in that the fuel tank also has connection described interior
Two the 4th openings of chamber, the shelf depreciation mechanism include two electrodes；
The conductive component includes and two one-to-one two bushings of the 4th opening each bushing
Including insulation tube and the core of leading being set in the insulation tube, the insulation tube is arranged in corresponding 4th opening；
Two bushings it is described lead end that core is located at outside the inner cavity respectively with two electricity of the external power supply
Pole electrical connection, is electrically connected with two electrodes of the shelf depreciation mechanism respectively positioned at the interior intracavitary end.
9. Discharge Simulation experimental rig according to claim 8, which is characterized in that the edge of the 4th opening has peace
Flange is filled, the insulation pipe outer wall is equipped with locating flange, and the locating flange is fixedly connected with the mounting flange.
10. Discharge Simulation experimental rig according to any one of claims 1 to 9, which is characterized in that the shape of the fuel tank
It is identical as the shape and size of oil tank of transformer with size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821410231.XU CN208872842U (en) | 2018-08-30 | 2018-08-30 | Discharge Simulation experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821410231.XU CN208872842U (en) | 2018-08-30 | 2018-08-30 | Discharge Simulation experimental rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208872842U true CN208872842U (en) | 2019-05-17 |
Family
ID=66466124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821410231.XU Active CN208872842U (en) | 2018-08-30 | 2018-08-30 | Discharge Simulation experimental rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208872842U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110794266A (en) * | 2019-10-22 | 2020-02-14 | 南方电网科学研究院有限责任公司 | Degradation testing system and method for transformer oil |
| CN114935710A (en) * | 2022-06-08 | 2022-08-23 | 吴江变压器有限公司 | Test device for simulating partial discharge phenomenon of transformer |
-
2018
- 2018-08-30 CN CN201821410231.XU patent/CN208872842U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110794266A (en) * | 2019-10-22 | 2020-02-14 | 南方电网科学研究院有限责任公司 | Degradation testing system and method for transformer oil |
| CN114935710A (en) * | 2022-06-08 | 2022-08-23 | 吴江变压器有限公司 | Test device for simulating partial discharge phenomenon of transformer |
| WO2023236473A1 (en) * | 2022-06-08 | 2023-12-14 | 吴江变压器有限公司 | Test apparatus for simulating partial discharge phenomenon of transformer |
| CN114935710B (en) * | 2022-06-08 | 2023-12-22 | 吴江变压器有限公司 | Test device for simulating partial discharge phenomenon of transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201013 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |