CN104157438A - High-voltage transformer - Google Patents
High-voltage transformer Download PDFInfo
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- CN104157438A CN104157438A CN201410348824.8A CN201410348824A CN104157438A CN 104157438 A CN104157438 A CN 104157438A CN 201410348824 A CN201410348824 A CN 201410348824A CN 104157438 A CN104157438 A CN 104157438A
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- mutual inductor
- voltage mutual
- voltage
- inner core
- metal shell
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Abstract
The invention provides a novel high-voltage transformer. The high-voltage transformer comprises a nonmetal shell, a transformer core and an insulation material, wherein the transformer core is arranged in the nonmetal shell, and the insulation material is filled between the nonmetal shell and the transformer core. Since a conventional metal shell is replaced by the nonmetal shell, production cost is reduced.
Description
Technical field
The application relates to power technology field, more particularly, relates to a kind of high-voltage mutual inductor.
Background technology
High tension voltage current combined transformer refers in the electric power system of 1kV to 220kV, and large voltage, large current conversion are become to small voltage, little electric current, so that the power equipment of metering, measurement, protection.Existing high-voltage mutual inductor is metal shell and instrument transformer inner core composition.Do shell because needs use metal, therefore cost is higher
Summary of the invention
In view of this, the application provides a kind of novel high-voltage mutual inductor, to solve the higher problem of existing high-voltage mutual inductor cost.
To achieve these goals, the existing scheme proposing is as follows:
A kind of high-voltage mutual inductor, is applied in high pressure electrical power trans mission/distribution system, comprising: non-metal shell, instrument transformer inner core and be filled in described non-metal shell, and for the insulating material of coated described mutual inductance inner core.
Preferably, described non-metal shell is plastic casing or other organic material shells.
Preferably, described instrument transformer inner core is current transformer inner core for measuring electric current and/or the voltage transformer inner core for measuring voltage.
Preferably, described insulating material is to be poured in described non-metal shell and to be coated on the auto-vulcanization silicon rubber outside described instrument transformer inner core.
Preferably, also comprise the dope layer that is arranged on described non-metal shell outside;
Preferably, described dope layer is antifouling flush paint layer.
Preferably, described high-voltage mutual inductor is 6-35kV electric pressure high-voltage mutual inductor.
Preferably, described high-voltage mutual inductor is 10kV electric pressure high-voltage mutual inductor.
Can find out from technique scheme, the present embodiment provides a kind of novel compound inslation high pressure high tension voltage current combined transformer, and this high tension voltage current combined transformer comprises non-metal shell, is arranged on the high tension voltage current combined transformer inner core in this non-metal shell and is filled in non-metal shell the Insulation stopping of cavity between high tension voltage current combined transformer circuit.Because this high tension voltage current combined transformer has adopted non-metal shell and Insulation stopping.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiment of the application, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structure chart of a kind of high-voltage mutual inductor that Fig. 1 provides for the embodiment of the present application;
The structure chart of a kind of high-voltage mutual inductor that Fig. 2 provides for another embodiment of the application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiment.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the application's protection.
Embodiment mono-
The structure chart of a kind of high-voltage mutual inductor that Fig. 1 provides for the embodiment of the present application.
As shown in Figure 1, the high tension voltage current combined transformer that the present embodiment provides comprises non-metal shell 10, high tension voltage current combined transformer inner core 20 and inserts 30.
Non-metal shell 10 is for a container is provided, for coated high-voltage mutual inductor inner core 20; High-voltage mutual inductor inner core 20 is arranged in non-metal shell 10; Between non-metal shell 10 and high-voltage mutual inductor inner core 20, be provided with insulating material 30, this insulating material 30 is for the insulation buffer action between electric to the inner height of instrument transformer inner core 20, and for filling the space between high-voltage mutual inductor circuit 20 and non-metal shell 10.
Can find out from technique scheme, the present embodiment provides a kind of novel high-tension electricity instrument transformer, and this high-voltage mutual inductor comprises non-metal shell, is arranged on the high-voltage mutual inductor inner core in this non-metal shell and is filled in non-metal shell the Insulation stopping of cavity between high-voltage mutual inductor circuit.Because this high-voltage mutual inductor has adopted non-metal shell alternative metals shell,, thus can be compared with low production cost.
Instrument transformer inner core 20 in the present embodiment can be voltage transformer inner core, forms like this high voltage potential transformer; Can also be current transformer inner core, thereby form high-tension current inductor.
The preferred plastic casing of non-metal shell 10 in the present embodiment, for example ABS shell, PC shell, nylon outer shell, polyethylene sheath or polypropylene shell, these non-metal shells all can provide enough intensity for coated mutual inductance inner core, and because be nonmetal, can not cause corrosion and affect useful life because of reasons such as humidity drench with rain.
Embodiment bis-
The structure chart of a kind of high-voltage mutual inductor that Fig. 2 provides for another embodiment of the application.
As shown in Figure 2, the high-voltage mutual inductor that the present embodiment provides comprises non-metal shell 10, high voltage potential transformer inner core 21, high-tension current inductor inner core 22 and insulating material 30.
High voltage potential transformer inner core 21 and high-tension current inductor inner core 22 are all arranged in non-metal shell 10, and in wherein different regions, insulating material 30 is filled in the cavity that non-metal shell 10 and high voltage potential transformer inner core 21, high-tension current inductor inner core 22 form, and plays high pressure to the insulation buffer action between low pressure.Thereby form a kind of high tension voltage current combined transformer.
For above-mentioned two embodiment, insulating material wherein can be resin material, but due to the intrinsic defect of resin material, the preferred normal temperature silicon rubber of the present embodiment.Processing the present embodiment provide high-voltage mutual inductor time, first produce a large amount of non-metal shells by Shooting Technique, then high-voltage mutual inductor inner core is arranged in non-metal shell, then by building or inject normal temperature silicon rubber filling in the cavity between non-metal shell and high-voltage mutual inductor inner core.Because silicon rubber and nonmetallic materials can be good at infiltrating combination, after it solidifies and nonmetallic materials combine well, thereby make this high tension voltage current combined transformer be not easy to tear, durable more.
And sulphurated siliastic has excellent dielectric voltage withstand characteristic, and withstand voltage field intensity reaches 10kV/mm.Also, owing to having avoided the toxic and harmful producing in poured with epoxy resin process, therefore can effectively reduce environmental pollution.
The high-voltage mutual inductor that in the application, above-mentioned two embodiment provide is 10-35kV high-voltage mutual inductor, certainly meets the high-voltage mutual inductor of other electric pressures of the architectural feature that the application provides also all within the application's protection range.
In order to obtain better electrical characteristic, the outside of the non-metal shell of the high-voltage mutual inductor that above-mentioned two embodiment provide is also provided with dope layer, the preferred antifouling flush paint layer of this dope layer is antifouling flush paint to be coated on to non-metal shell is outside to be formed by artificial or equipment by spraying or brushing.
Finally, also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the application.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the case of not departing from the application's spirit or scope, realize in other embodiments.Therefore, the application 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 (8)
1. a high-voltage mutual inductor, is applied in high pressure electrical power trans mission/distribution system, it is characterized in that, comprising: non-metal shell, instrument transformer inner core and be filled in described non-metal shell, and for the insulating material of coated described mutual inductance inner core.
2. high-voltage mutual inductor as claimed in claim 1, is characterized in that, described non-metal shell is plastic casing or other organic material shells.
3. high-voltage mutual inductor as claimed in claim 1, is characterized in that, described instrument transformer inner core is current transformer inner core for measuring electric current and/or the voltage transformer inner core for measuring voltage.
4. high-voltage mutual inductor as claimed in claim 1, is characterized in that, described insulating material is to be poured in described non-metal shell and to be coated on the auto-vulcanization silicon rubber outside described instrument transformer inner core.
5. the high-voltage mutual inductor as described in claim 1~4 any one, is characterized in that, also comprises the dope layer that is arranged on described non-metal shell outside;
6. high-voltage mutual inductor as claimed in claim 5, is characterized in that, described dope layer is antifouling flush paint layer.
7. the high-voltage mutual inductor as described in claim 1,2,3,4 or 6, is characterized in that, described high-voltage mutual inductor is 6-35kV electric pressure high-voltage mutual inductor.
8. high-voltage mutual inductor as claimed in claim 7, is characterized in that, described high-voltage mutual inductor is 10kV electric pressure high-voltage mutual inductor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410348824.8A CN104157438A (en) | 2014-07-16 | 2014-07-16 | High-voltage transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410348824.8A CN104157438A (en) | 2014-07-16 | 2014-07-16 | High-voltage transformer |
Publications (1)
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CN104157438A true CN104157438A (en) | 2014-11-19 |
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Family Applications (1)
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CN201410348824.8A Pending CN104157438A (en) | 2014-07-16 | 2014-07-16 | High-voltage transformer |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105826000A (en) * | 2016-05-17 | 2016-08-03 | 江苏靖江互感器厂有限公司 | Straight-through electron type current transformer for intelligent C-GIS |
-
2014
- 2014-07-16 CN CN201410348824.8A patent/CN104157438A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105826000A (en) * | 2016-05-17 | 2016-08-03 | 江苏靖江互感器厂有限公司 | Straight-through electron type current transformer for intelligent C-GIS |
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DD01 | Delivery of document by public notice |
Addressee: Li Zongzheng Document name: Notification of Acceptance of Patent Application |
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WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141119 |
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WD01 | Invention patent application deemed withdrawn after publication |