CN203444944U - Energy-saving type three-winding oil immersed power transformer - Google Patents
Energy-saving type three-winding oil immersed power transformer Download PDFInfo
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- CN203444944U CN203444944U CN201320544884.8U CN201320544884U CN203444944U CN 203444944 U CN203444944 U CN 203444944U CN 201320544884 U CN201320544884 U CN 201320544884U CN 203444944 U CN203444944 U CN 203444944U
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Abstract
The utility model discloses an energy-saving type three-winding oil immersed power transformer. The energy-saving type three-winding oil immersed power transformer comprises a transformer body, an iron core, an oil tank, a high-voltage bushing and a low-voltage bushing. The high-voltage bushing is connected with a high-voltage winding. The low-voltage bushing is connected with a low-voltage winding. The weight ratio of a silicon steel sheet on the iron core to copper wires which are used for the high-voltage winding and the low-voltage winding ranges from 2.3 to 2.5. All the copper wires in the high-voltage winding can achieve complete transposition on the iron core, and the oil tank is octagonal. Compared with the prior art, the energy-saving type three-winding oil immersed power transformer is higher in operation reliability and simple in structure, more consumption is reduced, more energy is saved, loss is reduced by 35% compared with a power transformer in the prior art, and the power transformer can completely meet the current requirements of China for low energy consumption.
Description
Technical field
The utility model relates to power transformer field, exactly refers to a kind of energy-saving three winding immersed in oil power transformers.
Background technology
Along with country is to energy-saving and cost-reducing attention, each transformer manufacturing firm is making unremitting effort for exploitation energy-conservation of consumption reduction type double winding oil-immersed power transformer.Especially national energy growing tension, energy-conservation of consumption reduction and environmental protection become the common problem of paying close attention to research of the whole society.Energy-conservation of consumption reduction is not only consideration economically, simultaneously also significant to reducing environmental pollution.
At present, the structure of known three winding immersed in oil formula power transformers is to be assembled by an iron core, winding (high pressure, low pressure), fuel tank, device body and annex; In electric power system, the loss of power transformer accounts for 1/3rd of electrical power trans mission/distribution system loss, circuit on power system is carried out converting electric power by transformer, transformer itself meeting loss part electric energy in conversion process, no-load loss and the load loss of transformer itself are larger, transformer output is effectively exported electric weight will be less, cause waste to increase again environmental pollution, manufacturing low loss transformer is current important and pressing task.
Utility model content
For above-mentioned defect, the technical problem that the utility model solves is to provide a kind of energy-saving three winding immersed in oil power transformers, operational reliability is higher, simple in structure, energy-conservation of consumption reduction more, the power transformer of loss ratio prior art reduces by 35%, meets country completely and at present energy consumption is required to low demand.
In order to solve above technical problem, the energy-saving three winding immersed in oil power transformers that the utility model provides, comprise transformer body, iron core, fuel tank, bushing and low-tension bushing, described bushing connects high pressure winding, described low-tension bushing connects low pressure winding, and the silicon steel sheet on described iron core and described high pressure winding and described low pressure winding copper conductor weight ratio used is 2.3～2.5.
Preferably, every copper conductor in described high pressure winding reaches complete transposition on iron core.
Preferably, described fuel tank is Eight-angle oil tank.
Preferably, described iron core adopts the staged D shape yoke core of continuous yoke structure, and the lamination of described iron core adopts complete oblique 45 ° of seams.
Preferably, the stem of described iron core and iron yoke adopt restraint zone to solidify with surface painting high-strength structureal adhesives by tightening up colligation.
Preferably, the inner side of the window by described iron core is provided with 2～3 puller straps of doing without latitude material and the alloy steel pole that 3～4 high hard strength materials the are done tension that cooperatively interacts for side outside window.
The energy-saving three winding immersed in oil power transformers that the utility model provides, comprise transformer body, iron core, fuel tank, bushing and low-tension bushing, described bushing connects high pressure winding, described low-tension bushing connects low pressure winding, silicon steel sheet on described iron core and described high pressure winding and described low pressure winding copper conductor weight ratio used is 2.3～2.5, and every copper conductor in described high pressure winding reaches complete transposition on iron core.Compared with prior art, the energy-saving three winding immersed in oil power transformers that the utility model provides, operational reliability is higher, simple in structure, energy-conservation of consumption reduction more, the power transformer of loss ratio prior art reduces by 35%, meets country completely and at present energy consumption is required to low demand.
Accompanying drawing explanation
Fig. 1 is the structural representation of energy-saving three winding immersed in oil power transformers in the utility model embodiment.
Embodiment
For those skilled in the art can understand technical scheme provided by the utility model better, below in conjunction with specific embodiment, set forth.
Refer to Fig. 1, Fig. 1 is the structural representation of energy-saving three winding immersed in oil power transformers in the utility model embodiment.
The energy-saving three winding immersed in oil power transformers that the utility model embodiment provides, comprise transformer body 1, on load tap changer 2, high pressure neutral bushing 3, mercurial thermometer 6, oil surface temperature meter 7, winding temperature gage 8, Buchholz relay 9, iron core 10, fuel tank, bushing 4 and low-tension bushing 5, bushing 4 connects high pressure winding, low-tension bushing 5 connects low pressure winding, and the silicon steel sheet on iron core 10 and high pressure winding and low pressure winding copper conductor weight ratio used is 2.3～2.5.Iron core 10 has adopted the staged D shape yoke core of continuous yoke structure, and the lamination of iron core adopts complete oblique 45 ° of seams, and 7 grades of stepping lap side seam modes reach and reduce no-load loss and fall low noise object.The stem of iron core 10 and iron yoke adopt restraint zone to solidify with surface painting high-strength structureal adhesives by tightening up colligation; Window inner side by iron core is provided with 2～3 puller straps of doing without latitude material and the alloy steel pole that 3～4 high hard strength materials the are done tension that cooperatively interacts for side outside window, is able to the object of whole transformer of safety supports.
Coil in high pressure winding has been used the transposition form of science, adopt 2～3 kinds of transposition forms to mix and use, make every copper conductor in coil all reach complete transposition as far as possible, reduce circulation between wire and produce, effectively reduce supplementary load loss and the eddy current loss of coil, energy-saving effect is obvious.
The insulation system of optimizing, improves the surface quality of insulating part and quantity, the placement location of increase and change profiled insulation, makes electric field more even, has reduced electric discharge, lowers loss.
Fuel tank is Eight-angle oil tank, and fuel tank charge of oil volume reduces, and saves transformer oil successful, and bending fuel tank becomes anise to make fuel tank mechanical strength good; Case edge and associate member sealing surface all pass through special equipment cutting and polish smooth; Compactness rational in infrastructure, saves transformer oil.
Compared with prior art, the energy-saving three winding immersed in oil power transformers that the utility model provides, operational reliability is higher, simple in structure, energy-conservation of consumption reduction more, the power transformer of loss ratio prior art reduces by 35%, meets country completely and at present energy consumption is required to low demand.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. energy-saving three winding immersed in oil power transformers, comprise transformer body, iron core, fuel tank, bushing and low-tension bushing, described bushing connects high pressure winding, described low-tension bushing connects low pressure winding, it is characterized in that, the silicon steel sheet on described iron core and described high pressure winding and described low pressure winding copper conductor weight ratio used is 2.3～2.5.
2. energy-saving three winding immersed in oil power transformers according to claim 1, is characterized in that, every copper conductor in described high pressure winding reaches complete transposition on iron core.
3. energy-saving three winding immersed in oil power transformers according to claim 2, is characterized in that, described fuel tank is Eight-angle oil tank.
4. energy-saving three winding immersed in oil power transformers according to claim 1, is characterized in that, described iron core adopts the staged D shape yoke core of continuous yoke structure, and the lamination of described iron core adopts complete oblique 45 ° of seams.
5. energy-saving three winding immersed in oil power transformers according to claim 4, is characterized in that, the stem of described iron core and iron yoke adopt restraint zone to solidify with surface painting high-strength structureal adhesives by tightening up colligation.
6. energy-saving three winding immersed in oil power transformers according to claim 5, it is characterized in that, the window inner side by described iron core is provided with 2～3 puller straps of doing without latitude material and the alloy steel pole that 3～4 high hard strength materials the are done tension that cooperatively interacts for side outside window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320544884.8U CN203444944U (en) | 2013-09-02 | 2013-09-02 | Energy-saving type three-winding oil immersed power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320544884.8U CN203444944U (en) | 2013-09-02 | 2013-09-02 | Energy-saving type three-winding oil immersed power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203444944U true CN203444944U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320544884.8U Expired - Fee Related CN203444944U (en) | 2013-09-02 | 2013-09-02 | Energy-saving type three-winding oil immersed power transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106663520A (en) * | 2014-09-12 | 2017-05-10 | Abb瑞士股份有限公司 | Traction transformer |
-
2013
- 2013-09-02 CN CN201320544884.8U patent/CN203444944U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106663520A (en) * | 2014-09-12 | 2017-05-10 | Abb瑞士股份有限公司 | Traction transformer |
| US10629352B2 (en) | 2014-09-12 | 2020-04-21 | Abb Schweiz Ag | Traction transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20210902 |