CN204011020U - Outdoor single-phase compound inslation ground-type potential transformer - Google Patents
Outdoor single-phase compound inslation ground-type potential transformer Download PDFInfo
- Publication number
- CN204011020U CN204011020U CN201420452004.9U CN201420452004U CN204011020U CN 204011020 U CN204011020 U CN 204011020U CN 201420452004 U CN201420452004 U CN 201420452004U CN 204011020 U CN204011020 U CN 204011020U
- Authority
- CN
- China
- Prior art keywords
- silastic material
- voltage
- device body
- primary winding
- secondary coil
- 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.)
- Expired - Lifetime
Links
- 150000001875 compounds Chemical class 0.000 title claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 28
- 229920000260 silastic Polymers 0.000 claims abstract description 28
- 238000009413 insulation Methods 0.000 claims abstract description 25
- 238000004804 winding Methods 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000853 adhesive Substances 0.000 claims abstract description 6
- 230000001070 adhesive effect Effects 0.000 claims abstract description 6
- 230000005684 electric field Effects 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims abstract description 4
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 9
- 241000826860 Trapezium Species 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006253 efflorescence Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- KHDSWONFYIAAPE-UHFFFAOYSA-N silicon sulfide Chemical compound S=[Si]=S KHDSWONFYIAAPE-UHFFFAOYSA-N 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
Landscapes
- Coils Of Transformers For General Uses (AREA)
Abstract
Outdoor single-phase compound inslation ground-type potential transformer, comprise voltage transformer device body, insulation shell, silastic material, secondary terminals seed cell and flute profile base, voltage transformer device body comprises volume iron core, low-pressure secondary coil, high pressure primary winding and high-voltage conductive rod, high pressure primary winding and low-pressure secondary coil are concentric cylindrical structure, high pressure primary winding is positioned at the outside of low-pressure secondary coil, is provided with high voltage electric field grading ring on high-voltage conductive rod; Insulation shell outer surface is compounded with silastic material by insulation adhesive, and silastic material top is provided with the little full skirt of the 5 large full skirt in road and 4 roads; Silastic material bottom is provided with the 4 large full skirts in road.The beneficial effects of the utility model: 1, compact conformation, quick and easy for installation, can avoid producing the phenomenon of ponding.2, sealing property is excellent, strengthened greatly outer surface along face creep distance, the gradation for surface pollution of outer surface reaches IV grade standard.3, there is excellent hydrophobicity, ultraviolet radiation resisting, anti creepage trace performance and self-cleaning.
Description
[technical field] the utility model relates to a kind of outdoor single-phase compound inslation ground-type potential transformer, belongs to instrument transformer technical field.
[background technology] outdoor single-phase ground connection electromagnetic potential transformer; mainly be arranged on 35kV transformer station (institute) post; three one group is electrically connected into Y0/Y0/ Δ, is applicable to exchange 50-60Hz, for rated voltage, is that electric energy metrical, voltage measurement or relaying protection are done in 35kV electric power system.The rated voltage 35kV outdoor single-phase electromagnetic potential transformer of producing both at home and abroad at present, generally adopts paper oil insulation, SF6 gas-insulated, poured with epoxy resin insulation and capacitance type potential transformer several types.Ubiquity volume is heavy, easy to leak is difficult for reclaiming, easy efflorescence is irradiated in ultraviolet ray, the easy defect such as low, the unstable properties of pollution flashover, secondary capacity, need regularly safeguard and overhaul.Because existing fixed profile flexibility is poor, flexibility is not strong, is difficult to meet the ever-increasing needs of existing electric power system.
[summary of the invention] the utility model, for the problems referred to above, provides a kind of outdoor single-phase compound inslation ground-type potential transformer.
A kind of outdoor single-phase compound inslation ground-type potential transformer, comprise voltage transformer device body, be arranged on insulation shell, silastic material, secondary terminals seed cell and flute profile base outside voltage transformer device body, described secondary terminals seed cell is arranged on a side of silastic material, flute profile floor installation is in the bottom of silastic material, it is characterized in that, insulation shell bottom is elliptical cylinder-shape, and top is cylindrical, and voltage transformer device body is positioned at elliptical cylinder-shape insulation shell; Voltage transformer device body comprises volume iron core, low-pressure secondary coil, high pressure primary winding and high-voltage conductive rod, high pressure primary winding and low-pressure secondary coil are concentric cylindrical structure, high pressure primary winding is positioned at the outside of low-pressure secondary coil, is provided with high voltage electric field grading ring on high-voltage conductive rod; Insulation shell outer surface is compounded with silastic material by insulation adhesive, and silastic material top is provided with that 5 roads are evenly distributed and the large full skirt of equidistant from distance, and silastic material top is also provided with that 4 roads are evenly distributed and the little full skirt of equidistant from distance; Silastic material bottom is provided with that 4 roads are evenly distributed and the large full skirt of equidistant from distance.
Described volume iron core comprises the banded silicon steel sheet of 5 kinds of width, and the width of banded silicon steel sheet is 30-75mm, the upper and lower symmetrical trapezium structure that is wound into centered by the widest banded silicon steel sheet.
The beneficial effects of the utility model: 1, compact conformation, quick and easy for installation, can avoid producing the phenomenon of ponding.2, between insulation shell and silastic material, adopt insulation adhesive to be composited, not only sealing property is excellent, can also strengthen greatly outer surface along face creep distance, creep distance reaches 1680mm; Make the gradation for surface pollution of outer surface reach IV level (31kV/mm) standard, met the user demand in pollution severity area.3, the insulating protective layer that adopts insulation adhesive to be composited has excellent hydrophobicity, ultraviolet radiation resisting, anti creepage trace performance and self-cleaning, has improved widely pollution flashover voltage, can effectively prevent the generation of pollution flashover fault.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present utility model
Fig. 2 is that the master of Fig. 1 looks partial sectional view
Fig. 3 is volume structural representation unshakable in one's determination
In figure: 1, insulation shell, 2, silastic material, 21, large full skirt, 22, little full skirt, 3, secondary terminals seed cell, 4, flute profile base, 5, voltage transformer device body, 51, volume is unshakable in one's determination, 52, low-pressure secondary coil, 53, high pressure primary winding, 54, high-voltage conductive rod, 6, high voltage electric field grading ring.
[embodiment] is described below enforcement of the present utility model below in conjunction with accompanying drawing:
With reference to Fig. 1, Fig. 2 and Fig. 3, outdoor single-phase compound inslation ground-type potential transformer, comprise voltage transformer device body 5, be arranged on insulation shell 1, silastic material 2, secondary terminals seed cell 3 and flute profile base 4 outside voltage transformer device body 5, secondary terminals seed cell 3 is arranged on a side of silastic material 2, and flute profile base 4 is arranged on the bottom of silastic material 2.
The bottom of insulation shell 1 is elliptical cylinder-shape, and top is cylindrical.
Voltage transformer device body 5 is positioned at elliptical cylinder-shape insulation shell 1; Voltage transformer device body 5 comprises volume iron core 51, low-pressure secondary coil 52, high pressure primary winding 53 and high-voltage conductive rod 54.
Volume unshakable in one's determination 51 comprises the banded silicon steel sheet of 5 kinds of width, the width of banded silicon steel sheet is respectively 30 mm, 45 mm, 55 mm, 65 mm, 75mm, the upper and lower symmetrical trapezium structure that is wound into centered by the banded silicon steel sheet that the width of take is 75mm, forms through Overheating Treatment and impregnation process.Adopt the volume of this kind of structure unshakable in one's determination, can obtain maximum effective cross-section and jumbo requirement, adopt impregnation process can guarantee the performance difference causing due to the dispersed factor of technique, thereby guaranteed the consistency of batch production quality, changed original traditional laminated iron core processing mode and affected the drawback of performance.
High pressure primary winding 53 and low-pressure secondary coil 52 are concentric cylindrical structure, and high pressure primary winding 53 is positioned at low-pressure secondary coil 52 outsides, is provided with high voltage electric field grading ring 6 on high-voltage conductive rod 54.
Insulation shell 1 outer surface is compounded with silastic material 2 by insulation adhesive, and silastic material 2 adopts high-temperature silicon disulfide rubber injection to form, and color can be adjusted according to outdoor environment feature.
Silastic material 2 tops are provided with that 5 roads are evenly distributed and the large full skirt 21 of equidistant from distance, and silastic material 2 tops are also provided with that 4 roads are evenly distributed and the umbellule skirt 22 of equidistant from distance; Silastic material 2 bottoms are provided with that 4 roads are evenly distributed and the large full skirt 21 of equidistant from distance.
The utility model is according to a kind of new product of national standard design; adopt epoxide resin vacuum cast to form with silicon rubber composite insulation; directly be connected in power circuit; utilize electromagnetic conversion principle; make secondary voltage can reflect exactly the situation of change of primary voltage; be transferred to secondary measurement/monitoring and control device, as electric energy metrical, voltage measurement and relaying protection, use.
Above-described embodiment, for execution mode of the present utility model is clearly described, is only not the restriction to execution mode.To those of ordinary skill in the art, on above-mentioned explanation basis, can also make other multi-form variation and change, here without also giving exhaustive to all embodiments.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.
Claims (2)
1. outdoor single-phase compound inslation ground-type potential transformer, comprise voltage transformer device body, be arranged on insulation shell, silastic material, secondary terminals seed cell and flute profile base outside voltage transformer device body, described secondary terminals seed cell is arranged on a side of silastic material, flute profile floor installation is in the bottom of silastic material, it is characterized in that, insulation shell bottom is elliptical cylinder-shape, and top is cylindrical, and voltage transformer device body is positioned at elliptical cylinder-shape insulation shell; Voltage transformer device body comprises volume iron core, low-pressure secondary coil, high pressure primary winding and high-voltage conductive rod, high pressure primary winding and low-pressure secondary coil are concentric cylindrical structure, high pressure primary winding is positioned at the outside of low-pressure secondary coil, is provided with high voltage electric field grading ring on high-voltage conductive rod; Insulation shell outer surface is compounded with silastic material by insulation adhesive, and silastic material top is provided with that 5 roads are evenly distributed and the large full skirt of equidistant from distance, and silastic material top is also provided with that 4 roads are evenly distributed and the little full skirt of equidistant from distance; Silastic material bottom is provided with that 4 roads are evenly distributed and the large full skirt of equidistant from distance.
2. outdoor single-phase compound inslation ground-type potential transformer according to claim 1, it is characterized in that, described volume iron core comprises the banded silicon steel sheet of 5 kinds of width, and the width of banded silicon steel sheet is 30-75mm, the upper and lower symmetrical trapezium structure that is wound into centered by the widest banded silicon steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420452004.9U CN204011020U (en) | 2014-08-12 | 2014-08-12 | Outdoor single-phase compound inslation ground-type potential transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420452004.9U CN204011020U (en) | 2014-08-12 | 2014-08-12 | Outdoor single-phase compound inslation ground-type potential transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204011020U true CN204011020U (en) | 2014-12-10 |
Family
ID=52050983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420452004.9U Expired - Lifetime CN204011020U (en) | 2014-08-12 | 2014-08-12 | Outdoor single-phase compound inslation ground-type potential transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204011020U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017026906A1 (en) * | 2015-08-10 | 2017-02-16 | Abb Schweiz Ag | Single-pole voltage transformer |
-
2014
- 2014-08-12 CN CN201420452004.9U patent/CN204011020U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017026906A1 (en) * | 2015-08-10 | 2017-02-16 | Abb Schweiz Ag | Single-pole voltage transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liu et al. | Research on key technologies in±1100 kV ultra‐high voltage DC transmission | |
| CN106847430A (en) | A kind of electric charge self adaptation dissipation disc insulator | |
| CN108831716B (en) | A kind of dry-type transformer insulation system | |
| CN108320869A (en) | A kind of direct current disc insulator | |
| CN201478091U (en) | Amorphous alloy 10 kV dry-type transformer for wind power generation | |
| CN102288880A (en) | Frequency-changing resonant withstand voltage testing device | |
| CN204011020U (en) | Outdoor single-phase compound inslation ground-type potential transformer | |
| CN202057764U (en) | Variable frequency resonance voltage withstand test device | |
| CN206364421U (en) | Low pressure six divides environment-friendly type photovoltaic generation preassembled transformer station | |
| CN103456491B (en) | Novel parallel capacitor for restraining switching surge of vacuum circuit breaker | |
| CN204577237U (en) | Indoor Large Copacity anti-fouling type dry-type voltage inductor | |
| CN203260458U (en) | Electrostatic shielding device for dry-type isolation transformer of more than 6kV | |
| CN202758730U (en) | Indoor single-phase large-capacity electromagnetic voltage transformer | |
| CN103151156A (en) | Indoor single phase grounded voltage transformer with high precision and adjustable transformation ratio | |
| CN204991481U (en) | Exchange filter capacitor | |
| CN203871158U (en) | SG three-phase dry type transformer | |
| CN204067026U (en) | Outdoor totally-enclosed compound inslation support type current transformer | |
| CN201229847Y (en) | Weak output capacitor type voltage mutual inductor | |
| CN201590322U (en) | Anti-foul voltage transformer with small partial discharge | |
| CN206657711U (en) | A kind of band 380V assists winding photovoltaic generation dry-type transformers | |
| CN101488384B (en) | Insulator for 24V vacuum circuit breaker | |
| CN206789408U (en) | A kind of gas-insulated transformer sleeve pipe | |
| CN201274227Y (en) | Insulation apparatus for 20kV dry transformer | |
| CN201146096Y (en) | Wind electric transformer with overvoltage protection screen | |
| CN206505815U (en) | A kind of Outdoor Current Transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |
|
| CX01 | Expiry of patent term |