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 PDF

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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
Authority
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.)
Pending
Application number
CN201810481809.9A
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Chinese (zh)
Inventor
王耀龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electric Power Research Institute of Yunnan Power System Ltd
Original Assignee
Electric Power Research Institute of Yunnan Power System Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Electric Power Research Institute of Yunnan Power System Ltd filed Critical Electric Power Research Institute of Yunnan Power System Ltd
Priority to CN201810481809.9A priority Critical patent/CN108735455A/en
Publication of CN108735455A publication Critical patent/CN108735455A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/10Liquid cooling
    • H01F27/12Oil cooling
    • H01F27/14Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/34Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36Electric or magnetic shields or screens

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  • 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

A kind of device for oil-immersed type transformer interior waterproof point diffusion
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.
CN201810481809.9A 2018-05-18 2018-05-18 A kind of device for oil-immersed type transformer interior waterproof point diffusion Pending CN108735455A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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)

Application Number Priority Date Filing Date Title
CN201810481809.9A CN108735455A (en) 2018-05-18 2018-05-18 A kind of device for oil-immersed type transformer interior waterproof point diffusion

Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

RJ01 Rejection of invention patent application after publication