CN103824682B - Extra-high voltage transformer and iron core assembly thereof - Google Patents
Extra-high voltage transformer and iron core assembly thereof Download PDFInfo
- Publication number
- CN103824682B CN103824682B CN201410075760.9A CN201410075760A CN103824682B CN 103824682 B CN103824682 B CN 103824682B CN 201410075760 A CN201410075760 A CN 201410075760A CN 103824682 B CN103824682 B CN 103824682B
- Authority
- CN
- China
- Prior art keywords
- iron core
- assembly
- shielding device
- columns
- magnetic shielding
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- 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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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 239000003921 oil Substances 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000004907 flux Effects 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses an iron core assembly. The iron core assembly comprises an iron core clamping piece which is horizontally arranged, and two lateral columns which are arranged in parallel, wherein the extension directions of the axes of the lateral columns are vertical to the extension direction of the iron core clamping piece, two core columns are arranged in parallel between the two lateral columns, the axes of the core columns are parallel to the axes of the lateral columns, a cooling oil duct is arranged at the side part of each core column, and the extension directions of the cooling oil ducts are consistent with the extension directions of the core columns. In the work process, the cooling oil duct can isolate a frame formed between adjacent lateral columns or core columns and iron core clamping pieces into a solo magnetic circuit system, thereby effectively controlling the main magnetic flux distribution of a transformer, avoiding a local superheating phenomenon caused by superhigh local magnetic flux density of an iron core, and effectively increasing the whole operating continuity and reliability of the transformer. The invention also discloses an extra-high voltage transformer which applies the iron core assembly.
Description
Technical field
The present invention relates to extra-high voltage transformer corollary equipment technical field, more particularly to a kind of assembly unshakable in one's determination.The present invention is also
It is related to a kind of extra-high voltage transformer of application assembly unshakable in one's determination.
Background technology
Extra-high voltage transformer is a kind of extremely common power equipment, with the continuous improvement of use demand, its workability
The extensive concern of people can be also increasingly subject to.
At present in existing extra-high voltage transformer agent structure, as the capacity of extra-high voltage auto-transformer itself is larger,
Electric pressure is higher, and equipment master, leakage magnetic flux amplitude are greatly, and magnetic flux distribution is complex, in equipment running process, easily produces
The hot-spot of apparatus assembly, causes many hidden danger to the normal operation of relevant device component, and then have impact on the length of transformator
Phase safe operation ability.
Therefore, how to avoid transformator hot-spot so as to which the more continuous reliability of equipment operation is those skilled in the art
The important technological problems for solving are needed at present.
The content of the invention
It is an object of the invention to provide a kind of assembly unshakable in one's determination, the assembly unshakable in one's determination can avoid transformator hot-spot so as to
Equipment operation is more continuous reliable.It is a further object of the present invention to provide a kind of extra-high voltage transformation using above-mentioned assembly unshakable in one's determination
Device.
To solve above-mentioned technical problem, the present invention provides a kind of assembly unshakable in one's determination, including the core clamping of horizontally set, also wraps
The both sides post be arrangeding in parallel is included, the bearing of trend of the axis of the other post is perpendicular with the bearing of trend of the core clamping, institute
State and between the post of both sides, be arranged with two stems in parallel, the axis of the stem is parallel with the axis of the other post, the stem
Sidepiece has cooling oil duct, and the bearing of trend of the cooling oil duct is consistent with the bearing of trend of the stem.
Preferably, the edge of the core clamping is provided with the magnetic shielding device and iron yoke for cooperating.
Preferably, copper rod is provided with the magnetic shielding device.
Preferably, the section of the magnetic shielding device is " L " shape.
Preferably, the magnetic shielding device is fastened with the core clamping by securing member.
Preferably, the securing member is the bolt being threadedly coupled through the magnetic shielding device and with the core clamping.
Preferably, the magnetic shielding device is silicon steel product.
The present invention also provides a kind of extra-high voltage transformer, including housing, and assembly unshakable in one's determination, the ferrum are provided with the housing
Heart assembly is specially the assembly unshakable in one's determination as described in above-mentioned any one.
With respect to above-mentioned background technology, assembly unshakable in one's determination provided by the present invention, including the core clamping of horizontally set, also include
The both sides post be arrangeding in parallel, the bearing of trend of the axis of the other post are perpendicular with the bearing of trend of the core clamping, described
It is arranged with two stems between the post of both sides in parallel, the axis of the stem is parallel with the axis of the other post, the side of the stem
Portion has cooling oil duct, and the bearing of trend of the cooling oil duct is consistent with the bearing of trend of the stem.In the course of work,
The framework formed between each adjacent other post or stem and core clamping can be isolated into single magnetic circuit system by the cooling oil duct,
So as to the main flux of effective control transformator is distributed, it is to avoid the too high and caused hot-spot phenomenon of local flux density unshakable in one's determination,
So as to effectively increase the overall operation seriality and reliability of transformator.
In another preferred version of the present invention, the edge of the core clamping is provided with the magnetic shield dress for cooperating
Put and iron yoke.The magnetic shielding device will can be directed in the iron yoke into the leakage magnetic flux in the structural members such as core clamping,
So as to further reduce loss of the magnetic flux in structural member, and further avoid because leakage magnetic flux is conducted and caused structural member local
Superheating phenomenon, and then cause the overall operation process of transformator more continuous reliable.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
The assembling structure of the assembly unshakable in one's determination of the extra-high voltage transformer that Fig. 1 is provided by a kind of specific embodiment of the invention is shown
It is intended to；
Fig. 2 is the structural representation of magnetic shielding device part in Fig. 1.
Specific embodiment
The core of the present invention is to provide a kind of assembly unshakable in one's determination, and the assembly unshakable in one's determination can avoid transformator hot-spot so as to
Equipment operation is more continuous reliable；Simultaneously, there is provided a kind of extra-high voltage transformer using above-mentioned assembly unshakable in one's determination.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Refer to the iron core of the extra-high voltage transformer that Fig. 1 and Fig. 2, Fig. 1 are provided by a kind of specific embodiment of the invention
The assembling structure schematic diagram of assembly；Fig. 2 is the structural representation of magnetic shielding device part in Fig. 1.
In a specific embodiment, the core clamping 11 of assembly unshakable in one's determination provided by the present invention, including horizontally set, also wraps
The both sides post 12 be arrangeding in parallel is included, the bearing of trend of the axis of other post 12 is perpendicular with the bearing of trend of core clamping 11, both sides
It is arranged with two stems 13 between post 12 in parallel, the axis of stem 13 is parallel with the axis of other post 12, and the sidepiece of stem 13 has
Cooling oil duct 131, and the bearing of trend of cooling oil duct 131 is consistent with the bearing of trend of stem 13.In the course of work, cooling oil
The framework formed between each adjacent other post 12 or stem 13 and core clamping 11 can be isolated into single magnetic circuit system by road 131,
So as to the main flux of effective control transformator is distributed, it is to avoid the too high and caused hot-spot phenomenon of local flux density unshakable in one's determination,
So as to effectively increase the overall operation seriality and reliability of transformator.
Further, the edge of core clamping 11 is provided with the magnetic shielding device 14 and iron yoke 15 for cooperating.Magnetic cup
Cover device 14 will to be directed in iron yoke 15 into the leakage magnetic flux in 11 grade structural member of core clamping, so as to further reduce magnetic
The loss led in structural member, and further avoid because leakage magnetic flux is conducted and caused structural member hot-spot phenomenon, and then make
The overall operation process for obtaining transformator is more continuous reliable.
Specifically, copper rod 16 is provided with magnetic shielding device 14.The copper rod 16 can be effectively improved magnetic shielding device 14
, there are electric discharge phenomena to avoid partial structurtes in the Electric Field Distribution uniformity at the positions such as part sharp corner, so that transformator
Overall operation seriality and reliability are further improved.
More specifically, the section of magnetic shielding device 14 is " L " shape.The magnetic shielding device 14 of this kind " L " shape structure can be more
It is adapted with the edge of core clamping 11 well, so that the magnetic flux conductive between its part is more fully effectively.
On the other hand, magnetic shielding device 14 is fastened with core clamping 11 by securing member 141.The securing member 141 can
The assembling intensity between magnetic shielding device 14 and core clamping 11 is effectively ensured, and causes the overall structure reliability of the assembly unshakable in one's determination
Property is accordingly improved.
In addition, securing member 141 is the bolt being threadedly coupled through magnetic shielding device 14 and with core clamping 11.This kind of bolt
The relatively simple reliability of structure, can further improve the assembling intensity and reliability of the assembly unshakable in one's determination.
Additionally, magnetic shielding device 14 is silicon steel product.It should be pointed out that above-mentioned magnetic shielding device 14 is that silicon steel product is only excellent
Scheme is selected, the magnetic shielding device 14 is not limited to silicon steel product mentioned above, as long as disclosure satisfy that the assembly unshakable in one's determination
Actually used needs.
In a specific embodiment, extra-high voltage transformer provided by the present invention, including housing, is provided with the housing
Assembly unshakable in one's determination, the assembly unshakable in one's determination are specially the assembly unshakable in one's determination as described in foregoing embodiments.The extra-high voltage transformer is difficult to send out
Raw hot-spot phenomenon, and its equipment operation is more continuous reliable.
In summary, the assembly unshakable in one's determination that provides in the present invention, including the core clamping of horizontally set, also including be arrangeding in parallel
Both sides post, the bearing of trend of the axis of the other post is perpendicular with the bearing of trend of the core clamping, both sides post it
Between be arranged with two stems in parallel, the axis of the stem is parallel with the axis of the other post, and the sidepiece of the stem has cold
But oil duct, and the bearing of trend of the cooling oil duct is consistent with the bearing of trend of the stem.In the course of work, the cooling
The framework formed between each adjacent other post or stem and core clamping can be isolated into single magnetic circuit system by oil duct, so as to effective
The main flux distribution of control transformator, it is to avoid the too high and caused hot-spot phenomenon of local flux density unshakable in one's determination, so as to effective
Improve the overall operation seriality and reliability of transformator.
Additionally, the present invention provide the above-mentioned assembly unshakable in one's determination of application extra-high voltage transformer, the extra-high voltage transformer be difficult send out
Raw hot-spot phenomenon, and its equipment operation is more continuous reliable.
In this specification, each embodiment is described by the way of progressive, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Carry out in detail to assembly unshakable in one's determination provided by the present invention and using the extra-high voltage transformer of the assembly unshakable in one's determination above
It is thin to introduce.Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
It is bright to be only intended to help and understand the method for the present invention and its core concept.It should be pointed out that for the ordinary skill of the art
For personnel, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improvement
Also fall in the protection domain of the claims in the present invention with modification.
Claims (7)
1. a kind of assembly unshakable in one's determination, it is characterised in that：Including the core clamping of horizontally set, also including the both sides post be arrangeding in parallel,
The bearing of trend of the axis of the other post is perpendicular with the bearing of trend of the core clamping, be arranged in parallel between the post of the both sides
There are two stems, the axis of the stem is parallel with the axis of the other post, and the sidepiece of the stem has cooling oil duct, and institute
The bearing of trend for stating cooling oil duct is consistent with the bearing of trend of the stem；The edge of the core clamping is provided with mutually
The magnetic shielding device and iron yoke of cooperation, during work, the cooling oil duct can be by each adjacent other post or the stem and institute
State the framework formed between core clamping and be isolated into single magnetic circuit system.
2. iron core assembly as claimed in claim 1, it is characterised in that：Copper rod is provided with the magnetic shielding device.
3. iron core assembly as claimed in claim 1, it is characterised in that：The section of the magnetic shielding device is " L " shape.
4. iron core assembly as claimed in claim 1, it is characterised in that：The magnetic shielding device passes through securing member and the iron core
Folder is fastened.
5. iron core assembly as claimed in claim 4, it is characterised in that：The securing member be through the magnetic shielding device and with
The bolt of the core clamping threaded connection.
6. iron core assembly as claimed in claim 1, it is characterised in that：The magnetic shielding device is silicon steel product.
7. a kind of extra-high voltage transformer, including housing, is provided with assembly unshakable in one's determination in the housing, it is characterised in that：The iron core
Assembly is specially the assembly unshakable in one's determination as any one of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410075760.9A CN103824682B (en) | 2014-03-04 | 2014-03-04 | Extra-high voltage transformer and iron core assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410075760.9A CN103824682B (en) | 2014-03-04 | 2014-03-04 | Extra-high voltage transformer and iron core assembly thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103824682A CN103824682A (en) | 2014-05-28 |
| CN103824682B true CN103824682B (en) | 2017-04-19 |
Family
ID=50759686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410075760.9A Expired - Fee Related CN103824682B (en) | 2014-03-04 | 2014-03-04 | Extra-high voltage transformer and iron core assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103824682B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106373761B (en) * | 2016-10-11 | 2018-10-16 | 山东电力设备有限公司 | A kind of stray transformer flux control shielding construction |
| CN109599256A (en) * | 2019-01-18 | 2019-04-09 | 吴江变压器有限公司 | A kind of low magnetic resistance folder magnetic screen |
| CN110060848A (en) * | 2019-05-20 | 2019-07-26 | 保定天威保变电气股份有限公司 | A kind of converter power transformer improves the structure and its method of upper yoke lower part electric field |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2831360Y (en) * | 2005-08-14 | 2006-10-25 | 文浩 | Active field magnetic shielded liquid-immersed transformer |
| CN2862286Y (en) * | 2005-11-01 | 2007-01-24 | 特变电工沈阳变压器集团有限公司技术中心 | New-pattern screening device for iron core clamp piece |
| CN201478078U (en) * | 2009-07-31 | 2010-05-19 | 杭州钱江电气集团股份有限公司 | Amorphous alloy distribution transformer and inner core thereof |
| CN202473561U (en) * | 2011-11-26 | 2012-10-03 | 山东电力设备有限公司 | Novel bar-shaped magnetic shielding structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2549628B2 (en) * | 1986-07-04 | 1996-10-30 | 株式会社東芝 | Iron core type reactor with gear gap |
-
2014
- 2014-03-04 CN CN201410075760.9A patent/CN103824682B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2831360Y (en) * | 2005-08-14 | 2006-10-25 | 文浩 | Active field magnetic shielded liquid-immersed transformer |
| CN2862286Y (en) * | 2005-11-01 | 2007-01-24 | 特变电工沈阳变压器集团有限公司技术中心 | New-pattern screening device for iron core clamp piece |
| CN201478078U (en) * | 2009-07-31 | 2010-05-19 | 杭州钱江电气集团股份有限公司 | Amorphous alloy distribution transformer and inner core thereof |
| CN202473561U (en) * | 2011-11-26 | 2012-10-03 | 山东电力设备有限公司 | Novel bar-shaped magnetic shielding structure |
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| Publication number | Publication date |
|---|---|
| CN103824682A (en) | 2014-05-28 |
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