CN205582707U - Can reduce partial discharge's single -phase voltage mutual -inductor - Google Patents
Can reduce partial discharge's single -phase voltage mutual -inductor Download PDFInfo
- Publication number
- CN205582707U CN205582707U CN201620350736.6U CN201620350736U CN205582707U CN 205582707 U CN205582707 U CN 205582707U CN 201620350736 U CN201620350736 U CN 201620350736U CN 205582707 U CN205582707 U CN 205582707U
- Authority
- CN
- China
- Prior art keywords
- secondary coil
- layer
- iron core
- screen layer
- sets
- 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.)
- Active
Links
Landscapes
- Insulating Of Coils (AREA)
Abstract
The utility model discloses a can reduce partial discharge's single -phase voltage mutual -inductor, including primary coil, secondary coil, shielding layer, iron core, copper braid over braid, the secondary coil winding sets up on the iron core, the secondary coil top sets up primary coil, the shielding layer sets up in the primary coil and the secondary coil outside, the shielding layer top sets up the high -pressure side one time, and the bottom sets up the low -pressure end one time, the shielding layer sets up the casing outward, set up the insulating layer between casing and the shielding layer, can reduce partial discharge's single -phase voltage mutual -inductor, insulation shielding uses multilayer structure to avoiding wherein the ageing or damage of one deck and influencing holistic shielding and insulating effect, safe more and the function is independent, this voltage transformer's manufacturing method, and its electric field structure is extremely even, has reduced microcosmic gap discharge, point discharge and lead wire to discharge, and low in manufacturing cost, raw and other materials conveniently obtain, and the manufacture process is simple, and the cost is lower, is fit for more promoting.
Description
Technical field
The invention belongs to voltage transformer field, be specifically related to a kind of single-phase potential transformer that can reduce shelf depreciation.
Background technology
Existing voltage transformer; it is primarily used to power to measuring instruments and protective relaying device; voltage, power and electric energy for measurement circuitry; or it is used for the expensive equipment in protection circuit, motor and transformator when line failure; but single-phase electricity voltage transformer would generally in use occur because of insulation shielding weak effect that electric field is uneven and microscopic gaps electric discharge, point discharge and the problem of lead-in wire electric discharge; and affect the normal use of voltage transformer, potential safety hazard even occurs.
Summary of the invention
For solving the problems referred to above, the invention discloses a kind of single-phase potential transformer that can reduce shelf depreciation, to be used for solving, electric field is uneven and microscopic gaps electric discharge, point discharge and the problem of lead-in wire electric discharge.
A kind of single-phase potential transformer that can reduce shelf depreciation, including primary winding, secondary coil, screen layer, ferrum core, copper braid over braid, described iron core is ring-type, described secondary coil is wound around and is arranged on iron core, described secondary coil top arranges primary winding, described screen layer is arranged at outside primary winding and secondary coil, described screen layer top arranges a high-pressure side, bottom arranges a low-pressure end, described screen layer peripheral hardware encloser body, between described housing and screen layer, insulating barrier is set, secondary coil is shielded by described copper braid over braid, and iron core grounding is connected, and with a low-pressure end ground connection.
As a modification of the present invention, described screen layer sets gradually wrinkle paper tape winding layer, insulating tape winding layer, red polyester tape winding layer, semiconductive wrinkle paper tape winding layer from inside to outside.
As a modification of the present invention, described insulating barrier is epoxy resin integrative-structure.
The invention has the beneficial effects as follows:
A kind of single-phase potential transformer that can reduce shelf depreciation of the present invention, insulation shielding uses multiple structure, to avoid wherein one layer of aging or damage to affect shielding and the effect of insulation, more safety and functional independence of entirety, the manufacture method of this voltage transformer, its electric field structure is extremely uniform, reduces microscopic gaps electric discharge, point discharge and lead-in wire electric discharge, and low cost of manufacture, raw material is convenient to be obtained, manufacture process is simple, and cost is relatively low, is more suitable for promoting.
Accompanying drawing explanation
Fig. 1 is the structural representation of the enclosure interior of the present invention.
Reference numerals list:
1. primary winding, 2. secondary coil, 3. screen layer, 4. iron core, 5. copper braid over braid, 6. high-pressure side, 7. a low-pressure end.
Detailed description of the invention
Below in conjunction with the accompanying drawings and detailed description of the invention, it is further elucidated with the present invention, it should be understood that following detailed description of the invention is merely to illustrate the present invention rather than limits the scope of the present invention.It should be noted that the word "front", "rear" used in describing below, "left", "right", "up" and "down" refer to the direction in accompanying drawing, word " interior " and " outward " refer respectively to the direction towards or away from particular elements geometric center.
As shown in the figure, a kind of single-phase potential transformer that can reduce shelf depreciation, including primary winding 1, secondary coil 2, screen layer 3, iron core 4, copper braid over braid 5, described iron core 4 is ring-type, described secondary coil 2 is wound around and is arranged on iron core 4, described secondary coil 2 top arranges primary winding 1, described screen layer 3 is arranged at outside primary winding 1 and secondary coil 2, described screen layer 3 top arranges a high-pressure side 6, bottom arranges a low-pressure end 7, described screen layer 3 peripheral hardware encloser body, between described housing and screen layer 3, insulating barrier is set, secondary coil 2 is shielded by described copper braid over braid 5, and by iron core 4 grounding connection, and with low-pressure end 7 ground connection.
As shown in the figure, described screen layer 3 sets gradually wrinkle paper tape winding layer, insulating tape winding layer, red polyester tape winding layer, semiconductive wrinkle paper tape winding layer from inside to outside, use multiple structure, to avoid wherein one layer of aging or damage to affect shielding and the effect of insulation of entirety, more safety and functional independence, and low cost of manufacture, raw material is convenient to be obtained.
As it can be seen, described insulating barrier is epoxy resin integrative-structure, manufacture process is simple, and cost is relatively low, is more suitable for promoting.
As shown in the figure, on iron core 4, bag wrinkle paper tape half lap two layers, insulating tape, red polyester tape, semiconductive wrinkle paper tape half and half fold one layer respectively, copper braid over braid 5 is fixed, again iron core 4 earth lead is welded on copper braid over braid 5, it is welded together as a low-pressure end 7 with a low-voltage lead to draw, then by bag semiconductive wrinkle paper tape half lap one layer on iron core 4.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned embodiment, also includes the technical scheme being made up of above technical characteristic combination in any.
Claims (3)
1. the single-phase potential transformer that can reduce shelf depreciation, it is characterized in that: include primary winding, secondary coil, screen layer, ferrum core, copper braid over braid, described iron core is ring-type, described secondary coil is wound around and is arranged on iron core, described secondary coil top arranges primary winding, described screen layer is arranged at outside primary winding and secondary coil, described screen layer top arranges a high-pressure side, bottom arranges a low-pressure end, described screen layer peripheral hardware encloser body, between described housing and screen layer, insulating barrier is set, secondary coil is shielded by described copper braid over braid, and iron core grounding is connected, and with a low-pressure end ground connection.
A kind of single-phase potential transformer that can reduce shelf depreciation the most according to claim 1, it is characterised in that: described screen layer sets gradually wrinkle paper tape winding layer, insulating tape winding layer, red polyester tape winding layer, semiconductive wrinkle paper tape winding layer from inside to outside.
A kind of single-phase potential transformer that can reduce shelf depreciation the most according to claim 1, it is characterised in that: described insulating barrier is epoxy resin integrative-structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620350736.6U CN205582707U (en) | 2016-04-25 | 2016-04-25 | Can reduce partial discharge's single -phase voltage mutual -inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620350736.6U CN205582707U (en) | 2016-04-25 | 2016-04-25 | Can reduce partial discharge's single -phase voltage mutual -inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205582707U true CN205582707U (en) | 2016-09-14 |
Family
ID=56860989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620350736.6U Active CN205582707U (en) | 2016-04-25 | 2016-04-25 | Can reduce partial discharge's single -phase voltage mutual -inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205582707U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987038A (en) * | 2017-05-31 | 2018-12-11 | 台达电子工业股份有限公司 | Magnet assembly |
| CN113589215A (en) * | 2021-08-09 | 2021-11-02 | 武汉磐电科技股份有限公司 | 110kV voltage transformer's on-vehicle calibration equipment and calibration pick up car |
-
2016
- 2016-04-25 CN CN201620350736.6U patent/CN205582707U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987038A (en) * | 2017-05-31 | 2018-12-11 | 台达电子工业股份有限公司 | Magnet assembly |
| US10991504B2 (en) | 2017-05-31 | 2021-04-27 | Delta Electronics, Inc. | Magnetic assembly |
| CN108987038B (en) * | 2017-05-31 | 2021-11-26 | 台达电子工业股份有限公司 | Magnetic assembly |
| CN113589215A (en) * | 2021-08-09 | 2021-11-02 | 武汉磐电科技股份有限公司 | 110kV voltage transformer's on-vehicle calibration equipment and calibration pick up car |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103575951B (en) | A kind of coupling capacitive divider of band electric potential gradient shielding | |
| CN104347258B (en) | A kind of insulation and error self-monitoring full Intelligent current transformer | |
| CN205582707U (en) | Can reduce partial discharge's single -phase voltage mutual -inductor | |
| CN202749216U (en) | Discharge-preventing shielding device for current transformer | |
| CN204407172U (en) | A kind of voltage transformer of anti-high-voltage impact | |
| CN203103105U (en) | Voltage transformer for annular net cabinet | |
| CN201689776U (en) | Shield isolation voltage transformer below 10 kV | |
| CN103632816A (en) | High-lightning-resistant power transformer and dry or oil-immersed power transformer including same | |
| CN204204623U (en) | A kind of ring main unit current potential threephase potential transformer outwardly | |
| CN207558550U (en) | A kind of isolating transformer | |
| CN107545998B (en) | Isolation transformer | |
| CN202585045U (en) | Electrical transformer with voltage measurement and protection function | |
| CN203312007U (en) | Alternating-current transformer | |
| CN203733555U (en) | Transformer for high-frequency power source | |
| CN208706439U (en) | A kind of inner screen continuous winding using fractional turns integer winding | |
| CN203552890U (en) | Transformer | |
| CN205452013U (en) | Flame -proof type multivoltage unsteady flow is dry -type transformer and mobile substation for mobile substation | |
| CN102801302A (en) | Method for reducing noise by wrapping and shielding with inductance coil | |
| CN109346271A (en) | A kind of step-up transformer | |
| CN207282287U (en) | The transformer of ting model high voltage | |
| CN203826183U (en) | Transformer capable of preventing coil from being broken down | |
| CN205356177U (en) | No Y capacitive switch power | |
| CN204117831U (en) | A kind of microcomputer protecting device power-type current transformer | |
| CN206758244U (en) | Power transformer | |
| KR101429464B1 (en) | Power transformer including noise shielding function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |