CN108735455A - A kind of device for oil-immersed type transformer interior waterproof point diffusion - Google Patents
A kind of device for oil-immersed type transformer interior waterproof point diffusion Download PDFInfo
- Publication number
- CN108735455A CN108735455A CN201810481809.9A CN201810481809A CN108735455A CN 108735455 A CN108735455 A CN 108735455A CN 201810481809 A CN201810481809 A CN 201810481809A CN 108735455 A CN108735455 A CN 108735455A
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- CN
- China
- Prior art keywords
- transformer
- accepting layer
- oil
- water
- water accepting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
This application discloses a kind of devices for oil-immersed type transformer interior waterproof point diffusion, for absorbing the moisture inside oil-immersed type transformer, including water accepting layer and metallic shield net, the water accepting layer is set to the bottom of the transformer and in the transformer, the moisture that the inside transformer can be absorbed prevents moisture long range diffusion from influencing the insulation performance of inside transformer;The water accepting layer is made of water suction off-color material, and the water suction situation of the water accepting layer can be marked by the discoloration for the off-color material that absorbs water;Can be according to water suction off-color material discoloration in maintenance the case where, the case where judging transformer sealing, make moist;The metallic shield net is set on the water accepting layer, and the metallic shield net is used for electrical shielding.The apparatus structure for oil-immersed type transformer interior waterproof point diffusion is simple, easy to use, hangs cover inspection etc. in combination with transformer manufacturing, depot repair, scene and is installed, does not influence the normal operation of transformer.
Description
Technical field
This application involves field transformer more particularly to a kind of devices for oil-immersed type transformer interior waterproof point diffusion.
Background technology
Transformer is the key equipment in power grid.During operation of power networks, bushing shell for transformer seal failure, conservator capsule
Breakage happens occasionally;In addition transformer is carrying out the factors meeting residual moisture such as the drying process of device body and mounting process control, this
Sample easily causes the accumulation of inside transformer moisture, to be unfavorable for the operation of transformer.
On the one hand, it under the drive of transformer oil stream, and is influenced by oil temperature is raised so that inside transformer moisture
Diffusion velocity is accelerated, and the diffusion of moisture can cause the insulation performance of inside transformer to reduce, to induce inside transformer part
Electric discharge, causes transformer damage.
On the other hand, moisture easily causes transformer core insulation against ground reduced performance in the convergence of inside transformer.
Therefore, in grid operation, since moisture enters inside transformer, transformer can generally be caused to generate color because making moist
The problems such as spectrum exception, iron core insulation against ground reduced performance;It can lead to transformer damage when serious, and then electric network fault is caused to be sent out
It is raw, generate large-area power-cuts.
Invention content
In order to solve the deficiencies in the prior art, dividing diffusion for oil-immersed type transformer interior waterproof this application provides a kind of
Device.
This application provides a kind of devices for oil-immersed type transformer interior waterproof point diffusion, for absorbing inside transformer
Moisture, including water accepting layer and metallic shield net, wherein:
The water accepting layer is set to the bottom of transformer lower part fuel tank, and the water entry is in transformer lower part fuel tank
Interior, the water accepting layer is used to absorb the moisture inside oil-immersed type transformer;
The metallic shield net is located in the fuel tank of the transformer lower part, and the metallic shield net is set to the water accepting layer
On, the metallic shield net is used for electrical shielding, and the metallic shield net connect ground connection with transformer lower part fuel tank.
Preferably, the water accepting layer is made of water-absorbent material.
Preferably, the water accepting layer is made of water suction off-color material.
Preferably, the thickness of the water accepting layer is 1cm-2cm.
By above technical scheme it is found that this application provides a kind of dresses for oil-immersed type transformer interior waterproof point diffusion
It sets, the moisture for absorbing inside transformer, including water accepting layer, the water accepting layer is set to the bottom of transformer lower part fuel tank,
The water entry is in the fuel tank of the transformer lower part, and the metallic shield net is located in the fuel tank of the transformer lower part, institute
Metallic shield net is stated to be set on the water accepting layer.Dress provided by the present application for oil-immersed type transformer interior waterproof point diffusion
It sets, advantage is as follows:
First, the water accepting layer is set to the bottom of transformer lower part fuel tank and positioned at transformer lower part oil
In case, the moisture of inside transformer can be absorbed, prevents moisture long range diffusion from influencing the insulation performance of inside transformer;
Second is that the water accepting layer is made of water suction off-color material, institute can be marked by the discoloration for the off-color material that absorbs water
State the water suction situation of water accepting layer;
Third, can be according to water suction off-color material discoloration in maintenance the case where, the case where judging transformer sealing, make moist;
Fourth, the metallic shield net is set on the water accepting layer, the metallic shield net can play the work of electrical shielding
With.The apparatus structure for oil-immersed type transformer interior waterproof point diffusion is simple, easy to use, combinable transformer manufacturing,
Depot repair, scene hang cover inspection etc. and are installed, and do not influence the normal operation of transformer.
Description of the drawings
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structural schematic diagram of device for oil-immersed type transformer interior waterproof point diffusion provided by the present application.
It illustrates:
Wherein, 1- transformers lower part fuel tank;2- water accepting layers;3- metallic shield nets.
Specific implementation mode
With reference to the attached drawing in the application, technical solutions in the embodiments of the present application is clearly and completely described,
Obviously, described embodiment is only a part of the embodiment of the application, instead of all the embodiments.Based in the application
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts,
It shall fall within the protection scope of the present invention.
Many details are elaborated in the following description in order to fully understand the application, but the application can be with
It is different from the other modes that describe again using other to implement, those skilled in the art can be without prejudice to the application intension
In the case of do similar popularization, therefore the application is not limited by following public specific embodiment.
It is a kind of structural schematic diagram of device for oil-immersed type transformer interior waterproof point diffusion of the application referring to Fig. 1.
This application provides a kind of devices for oil-immersed type transformer interior waterproof point diffusion, for absorbing inside transformer
Moisture, including water accepting layer 2 and metallic shield net 3, wherein:
The water accepting layer 2 is set to the bottom of transformer lower part fuel tank 1, and the water accepting layer 2 is located at the transformer lower part
In fuel tank 1, the water accepting layer 2 is used to absorb the moisture inside oil-immersed type transformer;
The metallic shield net 3 is located in transformer lower part fuel tank 1, and the metallic shield net 3 is set to the suction
On water layer 2, the metallic shield net 3 is used for electrical shielding, and the metallic shield net 3 connect with transformer lower part fuel tank 1 and connects
Ground.The metallic shield net 3 is formed by metal wire knitted, and the mesh of the metallic shield net 3 is covered on the water accepting layer 2,
Mutual electrical communication between wire, the metallic shield net 3 are grounded by oil tank of transformer.
By above technical scheme it is found that this application provides a kind of dresses for oil-immersed type transformer interior waterproof point diffusion
It sets, the moisture for absorbing inside transformer, including water accepting layer 2, the water accepting layer 2 is set to the bottom of transformer lower part fuel tank 1
Portion, the water accepting layer 2 are located in transformer lower part fuel tank 1, and the metallic shield net 3 is located at transformer lower part fuel tank
In 1, the metallic shield net 3 is set on the water accepting layer 2.It is provided by the present application to expand for oil-immersed type transformer interior waterproof point
Scattered device, advantage are as follows:
First, the water accepting layer 2 is set to the bottom of transformer lower part fuel tank 1 and is located at the transformer lower part
In fuel tank 1, the moisture of inside transformer can be absorbed, prevents moisture long range diffusion from influencing the insulation performance of inside transformer;
Second is that the water accepting layer 2 is made of water suction off-color material, can be marked by the discoloration for the off-color material that absorbs water
The water suction situation of the water accepting layer 2;
Third, can be according to water suction off-color material discoloration in maintenance the case where, the case where judging transformer sealing, make moist;
Fourth, the metallic shield net 3 is set on the water accepting layer 2, the metallic shield net 3 can play electrical shielding
Effect.The apparatus structure for oil-immersed type transformer interior waterproof point diffusion is simple, easy to use, in combination with transformer system
Make, depot repair, scene are hung cover inspection etc. and are installed, do not influence the normal operation of transformer.
Preferably, the water accepting layer 2 is made of water-absorbent material, and the water-absorbent material is the water-absorbent material of not oil suction.
Preferably, the water accepting layer 2 is made of water suction off-color material, can be marked by the discoloration for the off-color material that absorbs water
Remember the water suction situation for the water accepting layer 2.
Preferably, the thickness of the water accepting layer 2 is 1cm-2cm.
By above technical scheme it is found that this application provides a kind of dresses for oil-immersed type transformer interior waterproof point diffusion
It sets, the moisture for absorbing inside transformer, including water accepting layer 2, the water accepting layer 2 is set to the bottom of transformer lower part fuel tank 1
Portion, the water accepting layer 2 are located in transformer lower part fuel tank 1, and the metallic shield net 3 is located at transformer lower part fuel tank
In 1, the metallic shield net 3 is set on the water accepting layer 2.It is provided by the present application to expand for oil-immersed type transformer interior waterproof point
Scattered device, advantage are as follows:
First, the water accepting layer 2 is set to the bottom of transformer lower part fuel tank 1 and is located at the transformer lower part
In fuel tank 1, the moisture of inside transformer can be absorbed, prevents moisture long range diffusion from influencing the insulation performance of inside transformer;
Second is that the water accepting layer 2 is made of water suction off-color material, can be marked by the discoloration for the off-color material that absorbs water
The water suction situation of the water accepting layer 2;
Third, can be according to water suction off-color material discoloration in maintenance the case where, the case where judging transformer sealing, make moist;
Fourth, the metallic shield net 3 is set on the water accepting layer 2, the metallic shield net 3 can play electrical shielding
Effect.The apparatus structure for oil-immersed type transformer interior waterproof point diffusion is simple, easy to use, in combination with transformer system
Make, depot repair, scene are hung cover inspection etc. and are installed, do not influence the normal operation of transformer.
It the above is only the specific implementation mode of the application, it is noted that those skilled in the art are come
It says, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as
The protection domain of the application.
Claims (4)
1. a kind of device for oil-immersed type transformer interior waterproof point diffusion, the moisture for absorbing inside transformer, feature
It is, including water accepting layer (2) and metallic shield net (3), wherein:
The water accepting layer (2) is set to the bottom of transformer lower part fuel tank (1), and the water accepting layer (2) is located under the transformer
In portion's fuel tank (1), the water accepting layer (2) is used to absorb the moisture inside oil-immersed type transformer;
The metallic shield net (3) is located in transformer lower part fuel tank (1), and the metallic shield net (3) is set to described
On water accepting layer (2), the metallic shield net (3) is used for electrical shielding, the metallic shield net (3) and transformer lower part fuel tank
(1) connection ground connection.
2. the device for oil-immersed type transformer interior waterproof point diffusion as described in claim 1, which is characterized in that the water suction
Layer (2) is made of water-absorbent material.
3. the device for oil-immersed type transformer interior waterproof point diffusion as described in claim 1, which is characterized in that the water suction
Layer (2) is made of water suction off-color material.
4. the device for oil-immersed type transformer interior waterproof point diffusion as described in claim 1, which is characterized in that the water suction
The thickness of layer (2) is 1cm-2cm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810481809.9A CN108735455A (en) | 2018-05-18 | 2018-05-18 | A kind of device for oil-immersed type transformer interior waterproof point diffusion |
Applications Claiming Priority (1)
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CN201810481809.9A CN108735455A (en) | 2018-05-18 | 2018-05-18 | A kind of device for oil-immersed type transformer interior waterproof point diffusion |
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CN108735455A true CN108735455A (en) | 2018-11-02 |
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CN201810481809.9A Pending CN108735455A (en) | 2018-05-18 | 2018-05-18 | A kind of device for oil-immersed type transformer interior waterproof point diffusion |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110111976B (en) * | 2019-04-18 | 2021-03-09 | 江苏鼎鑫电气有限公司 | Oil-immersed transformer with elutriation and rejection functions at low temperature |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201975239U (en) * | 2010-11-02 | 2011-09-14 | 泰安泰山电气有限公司 | Electromagnetic composite shielding device for transformer |
CN202996505U (en) * | 2012-11-18 | 2013-06-12 | 林仕长 | Energy-saving transformer |
-
2018
- 2018-05-18 CN CN201810481809.9A patent/CN108735455A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201975239U (en) * | 2010-11-02 | 2011-09-14 | 泰安泰山电气有限公司 | Electromagnetic composite shielding device for transformer |
CN202996505U (en) * | 2012-11-18 | 2013-06-12 | 林仕长 | Energy-saving transformer |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110111976B (en) * | 2019-04-18 | 2021-03-09 | 江苏鼎鑫电气有限公司 | Oil-immersed transformer with elutriation and rejection functions at low temperature |
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Application publication date: 20181102 |
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