CN106971817A - A kind of power transformer - Google Patents
A kind of power transformer Download PDFInfo
- Publication number
- CN106971817A CN106971817A CN201710354312.6A CN201710354312A CN106971817A CN 106971817 A CN106971817 A CN 106971817A CN 201710354312 A CN201710354312 A CN 201710354312A CN 106971817 A CN106971817 A CN 106971817A
- Authority
- CN
- China
- Prior art keywords
- casing
- powder
- cone
- outer case
- internal box
- 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.)
- Withdrawn
Links
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
- H01F27/02—Casings
-
- 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
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
-
- 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
- H01F27/02—Casings
- H01F27/022—Encapsulation
-
- 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
- H01F27/33—Arrangements for noise damping
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The power transformer of the present invention, including casing, are arranged at the top of the gilled radiator of body side, casing and are provided with bushing and low-tension bushing；It is provided with fuel reserve tank above casing, fuel reserve tank is provided with gas relay, casing in the middle part of pipeline and is provided with the unshakable in one's determination and coil on iron core, the bottom of casing is provided with base by pipeline communication casing；Base bottom is provided with least four Convenient tables, and Convenient table is cone, and Convenient table outer surface is enclosed with the thick rubber of 1.2 ~ 1.7cm；Also include at least four with the corresponding cone-shaped groove of Convenient table, cone-shaped groove inner surface setting has the thick rubber of 1.2 ~ 1.7cm；The box body wall of casing is the double-decker that internal box plate and outer case plate are combined into, and internal box plate and outer case plate central filler have mixed-powder.
Description
Technical field
The invention belongs to electrical equipment technical field, specially a kind of oil-immersed power transformer.
Background technology
Oil-filled transformer is main by iron core, winding, fuel tank, conservator, insulating sleeve, shunting switch and gas relay etc.
Composition.Iron core is the magnetic circuit part of transformer.Magnetic hystersis loss and eddy-current loss are produced during operation and are generated heat.Damaged for reduction heating
Consumption and reduction volume and weight, iron core, which is used, is less than the high cold rolled grain grain-oriented Si steel sheet composition of 0.35mm magnetic capacity.Winding
All it is the core parts of transformer with iron core.Because winding has resistance or joint to have contact resistance in itself, being known by I2Rt to produce
Heat amount.Therefore winding can not pass through the electric current higher than rated current for a long time.Device body (winding and the iron of another oil-filled transformer
Core) it is incorporated into the fuel tank full of transformer oil, fuel tank is welded into steel plate.The fuel tank of medium and small transformer is by case shell and case lid
Composition, the device body of transformer is placed in case shell, and case lid opening can be hung out into device body is overhauled.
At present, European and American developed countries also expose limitation standard or other international standards without power frequency electromagnetic field, only international
The Non-ionizing radiation protection committee (ICNIRP) recommends the directive/guide of electric field and magnetic field radiation limitation to countries in the world.The ring of China
It is 4 kilovolts/meter (kV/m) to comment directive/guide normative reference electric-field intensity, and magnetic field intensity is 100 micro- teslas (μ T), European community law
In rule, this two numerical value are respectively 5 kilovolts/meter and 100 micro- teslas；The same European Community of Australia;Britain be 12 kilovolts/meter and
1600 micro- teslas.Transformer noise is to be designed, type selecting layout, installed, during use by body construction, transformer body and
The irregular of cooling system generation, interval, continuous or random caused mechanical noise and airborne noise summation.Produced by transformer
Noise influence the places such as residential quarters, commercial center, light station, airport, factories and miness, enterprise, hospital, school extensively.Application No.
201220447315 Chinese patent, Chinese patent of Application No. 201320356540 etc., although disclose reduction transformer
The mode of noise, but it is not suitable for oil-filled transformer or noise reduction is relatively low.
The content of the invention
Present invention aims to overcome that there is provided a kind of low-noise oil with excellent heat-sinking capability for deficiency of the prior art
Immersion power transformer.
Oil-immersed power transformer of the present invention, including casing, are arranged on the gilled radiator of the body side, the case
Bushing and low-tension bushing are provided with the top of body；Fuel reserve tank is provided with above the casing, the fuel reserve tank passes through pipeline
Connect to be provided with the middle part of the casing, the pipeline in gas relay, the casing and be provided with iron core and installed in described
Coil on iron core, the bottom of the casing is provided with base；The base bottom is fixed with least four Convenient tables, described solid
It is cone to determine leg, and Convenient table outer surface is enclosed with the thick rubber of 1.2~1.7cm；Also include at least four relative with Convenient table
The cone-shaped groove answered, the cone-shaped groove inner surface setting has the thick rubber of 1.2~1.7cm；The box body wall of the casing
The double-decker being combined into for internal box plate and outer case plate, the internal box plate and outer case plate central filler have by granularity
200 mesh silicon rubber powders, the mesh crystalline graphite powder of granularity 100, the mesh silicon dioxide powder of granularity 2000, the mesh sepiolite powder of granularity 325, tallow
The mixed-powder of amine APEO composition.
Oil-immersed power transformer of the present invention, the distance between its internal box plate and outer case plate are 0.6~0.7cm.
Multiple baffle plates are vertically arranged with the middle of oil-immersed power transformer of the present invention, its internal box plate and outer case plate.
Oil-immersed power transformer of the present invention, the Aspect Ratio of its Convenient table is 3:1.200 mesh silicon rubbers are taken by weight
80 parts of rubber powder, 60 parts of 100 mesh crystalline graphite powder of granularity, 120 parts of 2000 mesh silicon dioxide powder of granularity, the mesh sepiolite powder of granularity 325
70 parts, tallow amine APEO（AC-1860）50 parts, add powder stirrer and stir to obtain filling mixing in box body wall
Powder.
Oil-immersed power transformer of the present invention, by the box body wall interlayer of particular design, adds different grain size and not of the same race
The powder of class, obtains the soundproof effect of optimization, while reducing the electric field and magnetic field radiation of transformer；In addition, of the invention
The Convenient table and corresponding cone-shaped groove structure of uniqueness are have also been devised, it is exquisite by the structure design, greatly reduce change
Depressor vibrates and then reduces noise, and novel electric power transformer of the present invention passes through, the shielding of sound and transformer itself damping two
Aspect is improved simultaneously, the effect of very prominent reduction noise has been reached, while reducing the external electric field of transformer
And magnetic field radiation.
Brief description of the drawings
Fig. 1 is oil-immersed power transformer structural representation of the present invention.
Fig. 2 is box body wall structural representation of the present invention.
Fig. 3 is Convenient table structural representation of the present invention.
Embodiment
The invention will be further described for example given below plan, but is not to be construed as to the scope of the present invention
Limitation, some the nonessential modifications and adaptations of those skilled in the art according to present invention to the present invention still fall within this
The protection domain of invention.
Embodiment 1：As shown in Figure 1, Figure 2, Figure 3 shows, oil-immersed power transformer, including casing 1, are arranged on the side of casing 1
Gilled radiator 2, the top of casing 1 is provided with bushing 3 and low-tension bushing 4；The top of casing 1 is provided with fuel reserve tank 5, stores up
Fuel tank 5 connects casing 1 by pipeline 6, and the middle part of pipeline 6, which is provided with gas relay 7, casing 1, to be provided with iron core 8 and install
Coil 9 on iron core 8, the bottom of casing 1 is provided with base 10；The bottom of base 10 is provided with least four Convenient tables 11, Gu
It is cone to determine leg 11, and the outer surface of Convenient table 11 is enclosed with the thick rubber 12 of 1.4cm；Also include at least four with the phase of Convenient table 11
Corresponding cone-shaped groove 13, the inner surface setting of cone-shaped groove 13 has the thick rubber 14 of 1.4m；Convenient table 11 is inserted in cone
In groove 13, the bottom of cone-shaped groove 13 is fixed on the ground, and the box body wall of casing 1 is internal box plate 15 and outer case plate 16
The double-decker being combined into, the distance between internal box plate 15 and outer case plate 16 are 0.65cm.Internal box plate 15 and outer case
The central filler of plate 16 has mixed-powder 17.Mixed-powder 17 is made by the following method：Take 200 mesh silicon rubber powder 80 kilogram,
Spend 60 kilograms of 100 mesh crystalline graphite powder, 120 kilograms of 2000 mesh silicon dioxide powder of granularity, 70 kilograms of 325 mesh sepiolite powder of granularity,
Tallow amine APEO（AC-1860）50 kilograms, add powder stirrer and stir；.
Comparative example 1：Oil-immersed power transformer structure such as be the same as Example 1, difference is that mixed-powder crosses following methods system
Into：Take 80 kilograms of 200 mesh silicon rubber powder, 60 kilograms of 100 mesh crystalline graphite powder of granularity, tallow amine APEO（AC-1860）
50 kilograms, add powder stirrer and stir；.
Comparative example 2：Oil-immersed power transformer structure such as be the same as Example 1, difference is that mixed-powder crosses following methods system
Into：Take 80 kilograms of 200 mesh silicon rubber powder, 120 kilograms of 2000 mesh silicon dioxide powder of granularity, tallow amine APEO（AC-
1860）50 kilograms, add powder stirrer and stir；.
Comparative example 3：Oil-immersed power transformer structure such as be the same as Example 1, difference is that mixed-powder crosses following methods system
Into：Take 80 kilograms of 200 mesh silicon rubber powder, 70 kilograms of 325 mesh sepiolite powder of granularity, tallow amine APEO（AC-1860）50
Kilogram, add powder stirrer and stir；.
Comparative example 4：Oil-immersed power transformer structure such as be the same as Example 1, difference is oil-immersed power transformer base
It is fixed to pass through on the surface-based mounting bracket of bolt, rubber blanket is provided between mounting bracket and base.
Correlated noise is tested：It is positive Thailand's S11-1000/35 oil-immersed power transformers respectively according to implementation to be divided into five groups
Technical scheme house of correction is obtained in example 1, comparative example 1, comparative example 2, comparative example 3, comparative example 4.According to《JB/T10088-20046kV~
500kV grades of power transformer sound levels》In method of testing test each group acoustic power level, the results are shown in Table 1.It is visible by table 1
Using the noise of embodiments of the invention 1, there is significant reduction relative to other groups.
Claims (1)
1. oil-immersed power transformer；Including casing；It is arranged on the gilled radiator of the body side, the top of the casing
It is provided with bushing and low-tension bushing；Fuel reserve tank is provided with above the casing, the fuel reserve tank passes through described in pipeline communication
It is provided with the middle part of casing, the pipeline in gas relay, the casing and is provided with iron core and on the iron core
Coil, the bottom of the casing is provided with base；It is characterized in that the base bottom is fixed with least four Convenient tables, it is described
Convenient table is cone, and Convenient table outer surface is enclosed with the thick rubber of 1.2~1.7cm；Also include at least four with Convenient table phase
Corresponding cone-shaped groove, the cone-shaped groove inner surface setting has the thick rubber of 1.2~1.7cm；The casing of the casing
Wall is the double-decker that internal box plate and outer case plate are combined into, and the internal box plate and outer case plate central filler have mixed powder
End：80 parts of 200 mesh silicon rubber powder of granularity, 120 parts of 2000 mesh silicon dioxide powder of granularity, tallow amine polyoxyethylene are taken by weight
50 parts of ether, adds powder stirrer and stirs to obtain the mixed-powder；
The distance between described internal box plate and outer case plate are 0.6~0.7cm；
Multiple baffle plates are vertically arranged with the middle of the internal box plate and outer case plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354312.6A CN106971817A (en) | 2016-01-15 | 2016-01-15 | A kind of power transformer |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354312.6A CN106971817A (en) | 2016-01-15 | 2016-01-15 | A kind of power transformer |
| CN201610027256.0A CN105428026B (en) | 2016-01-15 | 2016-01-15 | A kind of oil-immersed power transformer |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610027256.0A Division CN105428026B (en) | 2016-01-15 | 2016-01-15 | A kind of oil-immersed power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106971817A true CN106971817A (en) | 2017-07-21 |
Family
ID=55506168
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710353915.4A Withdrawn CN106971820A (en) | 2016-01-15 | 2016-01-15 | A kind of transformer |
| CN201710354312.6A Withdrawn CN106971817A (en) | 2016-01-15 | 2016-01-15 | A kind of power transformer |
| CN201610027256.0A Active CN105428026B (en) | 2016-01-15 | 2016-01-15 | A kind of oil-immersed power transformer |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710353915.4A Withdrawn CN106971820A (en) | 2016-01-15 | 2016-01-15 | A kind of transformer |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610027256.0A Active CN105428026B (en) | 2016-01-15 | 2016-01-15 | A kind of oil-immersed power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN106971820A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845378B (en) * | 2016-06-03 | 2018-05-11 | 山东晨宇电气股份有限公司 | A kind of high-power oil-immersed transformer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004104053A (en) * | 2002-09-05 | 2004-04-02 | Daiwa Kosei:Kk | Toroidal-transformer-oriented case |
| CN101577170A (en) * | 2008-05-06 | 2009-11-11 | 上海置信电气非晶有限公司 | Oil tank for oil immersion type transformer |
| CN102709025A (en) * | 2012-01-04 | 2012-10-03 | 吴江市东泰电力特种开关有限公司 | Low-noise transformer shell |
| CN102779618A (en) * | 2012-07-30 | 2012-11-14 | 苏州禾源机电工程技术有限公司 | Transformer |
| CN203966754U (en) * | 2014-07-22 | 2014-11-26 | 浙江绿能电力科技有限公司 | Novel oil-immersed transformer |
| CN204760217U (en) * | 2015-07-13 | 2015-11-11 | 山东天燚电力设备有限公司 | Oil -immersed power transformer |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2133562B1 (en) * | 1971-04-15 | 1976-04-30 | Transformatoren Union Ag | |
| CN2508362Y (en) * | 2001-10-31 | 2002-08-28 | 特变电工衡阳变压器有限公司 | 110KV low noise transformer oil tank |
| CN202352456U (en) * | 2011-12-20 | 2012-07-25 | 重庆重变电器有限责任公司 | Low-noise transformer oil tank |
| CN202839218U (en) * | 2012-08-27 | 2013-03-27 | 伊川县电业局 | Transformer noise reduction box |
| CN203085336U (en) * | 2012-12-07 | 2013-07-24 | 国家电网公司 | Anti-resonance noise-reducing box type noise-reducing transformer |
| CN204204556U (en) * | 2014-09-25 | 2015-03-11 | 山东亿九电气发展有限公司 | A kind of low noise audio amplifier becomes housing |
| CN105006356A (en) * | 2015-07-29 | 2015-10-28 | 苏州上电科电气设备有限公司 | Voltage regulation power transformer |
-
2016
- 2016-01-15 CN CN201710353915.4A patent/CN106971820A/en not_active Withdrawn
- 2016-01-15 CN CN201710354312.6A patent/CN106971817A/en not_active Withdrawn
- 2016-01-15 CN CN201610027256.0A patent/CN105428026B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004104053A (en) * | 2002-09-05 | 2004-04-02 | Daiwa Kosei:Kk | Toroidal-transformer-oriented case |
| CN101577170A (en) * | 2008-05-06 | 2009-11-11 | 上海置信电气非晶有限公司 | Oil tank for oil immersion type transformer |
| CN102709025A (en) * | 2012-01-04 | 2012-10-03 | 吴江市东泰电力特种开关有限公司 | Low-noise transformer shell |
| CN102779618A (en) * | 2012-07-30 | 2012-11-14 | 苏州禾源机电工程技术有限公司 | Transformer |
| CN203966754U (en) * | 2014-07-22 | 2014-11-26 | 浙江绿能电力科技有限公司 | Novel oil-immersed transformer |
| CN204760217U (en) * | 2015-07-13 | 2015-11-11 | 山东天燚电力设备有限公司 | Oil -immersed power transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105428026A (en) | 2016-03-23 |
| CN105428026B (en) | 2017-08-25 |
| CN106971820A (en) | 2017-07-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170721 |