CN205140714U - 420kV glues and soaks paper capacitanc transformer bushing - Google Patents
420kV glues and soaks paper capacitanc transformer bushing Download PDFInfo
- Publication number
- CN205140714U CN205140714U CN201520933231.8U CN201520933231U CN205140714U CN 205140714 U CN205140714 U CN 205140714U CN 201520933231 U CN201520933231 U CN 201520933231U CN 205140714 U CN205140714 U CN 205140714U
- Authority
- CN
- China
- Prior art keywords
- current
- outer catheter
- carrying bar
- external insulation
- core body
- 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
- Surgical Instruments (AREA)
Abstract
The utility model discloses a 420kV glues and soaks paper capacitanc transformer bushing, including external insulation cover, current -carrying pole, outer catheter, capacitor core, head connector, well bilge construction and connection of after section head, outer catheter cup joints on the current -carrying pole, the external insulation cover cup joint in outer catheter is last, the head connector includes binding post and apron, and the apron is connected with the up end of external insulation cover, going up the winding and solidifying of outer catheter has capacitor core, capacitor core is located between outer catheter and the external insulation cover, and the cavity intussuseption that capacitor core, external insulation cover, outer catheter, last flange and apron are constituteed is filled with the insulating cement, well bilge construction cup joints on capacitor core, and connection of after section head is including the base, and on the base was fixed in capacitor core's lower terminal surface, the lower extreme of current -carrying pole and the lower extreme of outer tube all passed the base, and the lower extreme of current -carrying pole is equipped with in the oil even binding post. The utility model discloses a sealed effectual, the current -carrying reliability is stronger.
Description
Technical field
The utility model belongs to transformer and fully closed combined electric unit field, relates to a kind of 420kV glue leaching paper capacitor formula bushing shell for transformer.
Background technology
In recent years, China's electric utility obtains develop rapidly, due to the oil chromatography problem of oilpaper sleeve pipe, glue leaching paper capacitor formula bushing shell for transformer have non-maintaining, pollution-free, volume is little, the advantage such as lightweight, easy to use, is subject to the favor of more and more user.Adopt glue leaching paper capacitor formula bushing shell for transformer can accomplish low noise, pollution-free, without coloured fire prevention, explosion-proof, packaged combination.According to the trend of electric power system non-oil ultra high vacuum system development, dry sleeve has good market prospects.
But the sealing of high voltage resin impregnated paper bushing and current-carrying problem annoying the exploitation of glue leaching paper capacitor formula bushing shell for transformer always, along with dry sleeve rapid application at home in recent years, and import dry sleeve is expensive, development high pressure dry bushing shell for transformer has become the instant responsibility of domestic dry sleeve manufacturer.
Utility model content
The purpose of this utility model is the shortcoming overcoming above-mentioned prior art, and provide a kind of 420kV glue leaching paper capacitor formula bushing shell for transformer, the good sealing effect of this sleeve pipe, current-carrying reliability is stronger.
For achieving the above object, 420kV glue leaching paper capacitor formula bushing shell for transformer described in the utility model comprises external insulation sleeve, current-carrying bar, outer catheter, head connector, central structure and afterbody connector;
Described outer catheter is socketed on current-carrying bar, and external insulation sleeve is socketed on described outer catheter;
Described head connector comprises binding post and cover plate, cover plate is connected with the upper surface of external insulation sleeve, the upper end of current-carrying bar and the upper end of outer catheter are all through described cover plate, binding post is fixed on cover plate, the bottom of binding post is provided with groove, the upper end of current-carrying bar is socketed in described groove, and current-carrying bar contacts with binding post;
The upper winding of outer catheter is also solidified with electric capacity core body, described capacitance core body is positioned between outer catheter and external insulation sleeve, central structure is socketed on electric capacity core body, afterbody connector comprises base, base is fixed on the lower surface of electric capacity core body, the lower end of current-carrying bar and the lower end of outer tube are all through base, and the lower end of current-carrying bar is provided with connecting line terminal in oil.
Described middle part structure of becoming attached to comprises branch sleeve, upper flange and lower flange, branch sleeve, upper flange and lower flange are all socketed on the side of described electric capacity core body, upper flange and lower flange are connected with the upper end of branch sleeve and lower end respectively, head cover plate, upper flange, outer catheter, are filled with insulating cement between electric capacity core body and external insulation sleeve.
The side of described electric capacity core body is provided with the projection of annular, and branch sleeve is socketed in described projection, and upper flange and lower flange are connected in protruding upper end and lower end.
Solidification glue is filled with between described branch sleeve and electric capacity core body.
Upper flange offers the first through hole for filling insulating cement and match with described first through hole first fill plug;
Branch sleeve offers the second through hole for filling solidification glue and match with described second through hole second fill plug.
The third through-hole be vented when described cover plate offers for filling insulating cement and the plug cock matched with described third through-hole.
Contacted by canted coil spring between binding post with current-carrying bar.
Be provided with between described outer catheter and current-carrying bar for carrying out radial spacing Hough collar to current-carrying bar.
The utility model has following beneficial effect:
420kV glue leaching paper capacitor formula bushing shell for transformer described in the utility model is socketed on current-carrying bar by outer catheter and realizes Novel penetrating-rod-type current-carrying, current-carrying bar is socketed in the groove bottom binding post simultaneously, and current-carrying bar contacts with binding post, thus realize current-carrying, wiring construction is simple, and current-carrying reliability is higher, is filled with insulating cement between outer catheter and external insulation sleeve simultaneously, sealing and insulating properties higher, practicality is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of head connector 100 in the utility model;
Fig. 3 is the structural representation of central structure 101 in the utility model;
Fig. 4 is the structural representation of afterbody connector 102 in the utility model.
Wherein, 1 be binding post, 2 be cover plate, 3 be external insulation sleeve, 4 be outer catheter, 5 be current-carrying bar, 6 be insulating cement, 7 be plug cock, 8 be canted coil spring, 9 be upper flange, 10 for branch sleeve, 11 be second fill plug, 12 be lower flange, 13 for solidification glue, 14 be first fill plug, 15 be electric capacity core body, 16 be Hough collar, 17 be base, 100 be head connector, 101 be central structure, 102 for afterbody connector.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
With reference to figure 1, Fig. 2, Fig. 3 and Fig. 4,420kV glue leaching paper capacitor formula bushing shell for transformer described in the utility model comprises external insulation sleeve 3, current-carrying bar 5, outer catheter 4, electric capacity core body 15, head connector 100, central structure 101 and afterbody connector 102; Described outer catheter 4 is socketed on current-carrying bar 5, and external insulation sleeve 3 is socketed on described outer catheter 4; Described head connector 100 comprises binding post 1 and cover plate 2, cover plate 2 is connected with the upper surface of external insulation sleeve 3, the upper end of current-carrying bar 5 and the upper end of outer catheter 4 are all through described cover plate 2, binding post 1 is fixed on cover plate 2, the bottom of binding post 1 is provided with groove, the upper end of current-carrying bar 5 is socketed in described groove, and current-carrying bar 5 contacts with binding post 1; The upper winding of outer catheter 4 is also solidified with electric capacity core body 15, and described electric capacity core body 15 is between outer catheter 4 and external insulation sleeve 3; Central structure is socketed on electric capacity core body 15, and afterbody connector 102 comprises base 17, and base 17 is fixed on the lower surface of electric capacity core body 15, and the lower end of current-carrying bar 5 and the lower end of outer tube are all through base 17, and the lower end of current-carrying bar 5 is provided with connecting line terminal in oil.
It should be noted that, described middle part structure of becoming attached to comprises branch sleeve 10, upper flange 9 and lower flange 12, branch sleeve 10, upper flange 9 and lower flange 12 are all socketed on the side of described electric capacity core body 15, upper flange 9 and lower flange 12 are connected with the upper end of branch sleeve 10 and lower end respectively, cover plate 2, upper flange 9, outer catheter 4, are filled with insulating cement 6 between electric capacity core body 15 and external insulation sleeve 3; The side of electric capacity core body 15 is provided with the projection of annular, and branch sleeve 10 is socketed in described projection, and upper flange 9 and lower flange 12 are connected in protruding upper end and lower end; Be filled with between branch sleeve 10 and electric capacity core body 15 and solidify glue 13; Upper flange 9 offers the first through hole for filling insulating cement 6 and match with described first through hole first fill plug 14; Branch sleeve 10 offers the second through hole for filling solidification glue 13 and match with described second through hole second fill plug 11; The third through-hole be vented when cover plate 2 offering for filling insulating cement 6 and the plug cock 7 matched with described third through-hole, when filling insulating cement 6, filling adhesive dispenser is contained on the first through hole, open plug cock 7 simultaneously, make to fill glue chamber air to discharge from third through-hole, guarantee that insulating cement is full of whole cavity, and bubble-free produces; Contacted by canted coil spring 8 between binding post 1 with current-carrying bar 5; Be provided with between outer catheter 4 and current-carrying bar 5 for carrying out radial spacing Hough collar 16 to current-carrying bar 5.
During specific works of the present utility model, connecting line terminal in oil is linked in transformer, binding post 1 is linked in external electrical network, electric current successively in oil connecting line terminal, current-carrying bar 5 and binding post 1 be linked in external electrical network, thus the electric current in transformer is linked in external electrical network, the utility model can realize following performance, and rated voltage is 420kV; Rated current is 1250A; Power frequency withstand is 695kV; Full lightning impulse withstand voltage is 1425kV; Switching impulse withstand voltage is 1050kV; Dielectric loss is tan δ < 0.4%; Cantilever loading tolerance is 5000N.
Claims (7)
1. a 420kV glue leaching paper capacitor formula bushing shell for transformer, it is characterized in that, comprise external insulation sleeve (3), current-carrying bar (5), outer catheter (4), head connector (100), central structure (101) and afterbody connector (102);
Described outer catheter (4) is socketed on current-carrying bar (5), and external insulation sleeve (3) is socketed on described outer catheter (4);
Described head connector (100) comprises binding post (1) and cover plate (2), cover plate (2) is connected with the upper surface of external insulation sleeve (3), the upper end of current-carrying bar (5) and the upper end of outer catheter (4) are all through described cover plate (2), binding post (1) is fixed on cover plate (2), the bottom of binding post (1) is provided with groove, the upper end of current-carrying bar (5) is socketed in described groove, and current-carrying bar (5) contacts with binding post (1);
Outer catheter (4) is upper to be wound around and to be solidified with electric capacity core body (15), and described electric capacity core body (15) is positioned between outer catheter (4) and external insulation sleeve (3);
Central structure is socketed on electric capacity core body (15), afterbody connector (102) comprises base (17), base (17) is fixed on the lower surface of electric capacity core body (15), the lower end of current-carrying bar (5) and the lower end of outer catheter (4) are all through base (17), and the lower end of current-carrying bar (5) is provided with connecting line terminal in oil.
2. 420kV glue leaching paper capacitor formula bushing shell for transformer according to claim 1, it is characterized in that, described central structure comprises branch sleeve (10), upper flange (9) and lower flange (12), branch sleeve (10), upper flange (9) and lower flange (12) are all socketed on the side of described electric capacity core body (15), upper flange (9) and lower flange (12) are connected with the upper end of branch sleeve (10) and lower end respectively, electric capacity core body (15), outer catheter (4), head cover plate (2), insulating cement (6) is filled with between middle part upper flange (9) and external insulation sleeve (3).
3. 420kV glue leaching paper capacitor formula bushing shell for transformer according to claim 2, it is characterized in that, the side of described electric capacity core body (15) is provided with the projection of annular, branch sleeve (10) is socketed in described projection, and upper flange (9) and lower flange (12) are connected in protruding upper end and lower end.
4. 420kV glue leaching paper capacitor formula bushing shell for transformer according to claim 2, is characterized in that, be filled with and solidify glue (13) between described branch sleeve (10) and electric capacity core body (15).
5. 420kV glue leaching paper capacitor formula bushing shell for transformer according to claim 2, it is characterized in that, upper flange (9) offers the first through hole for filling insulating cement (6) and match with described first through hole first fill plug (14);
Branch sleeve (10) offers the second through hole for filling solidification glue (13) and match with described second through hole second fill plug (11);
The third through-hole be vented when described cover plate (2) offering for filling insulating cement (6) and the plug cock (7) matched with described third through-hole.
6. 420kV glue leaching paper capacitor formula bushing shell for transformer according to claim 1, be is characterized in that, contacted between binding post (1) with current-carrying bar (5) by canted coil spring (8).
7. 420kV glue leaching paper capacitor formula bushing shell for transformer according to claim 1, it is characterized in that, be provided with between described outer catheter (4) and current-carrying bar (5) for carrying out radial spacing Hough collar (16) to current-carrying bar (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520933231.8U CN205140714U (en) | 2015-11-19 | 2015-11-19 | 420kV glues and soaks paper capacitanc transformer bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520933231.8U CN205140714U (en) | 2015-11-19 | 2015-11-19 | 420kV glues and soaks paper capacitanc transformer bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205140714U true CN205140714U (en) | 2016-04-06 |
Family
ID=55626482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520933231.8U Active CN205140714U (en) | 2015-11-19 | 2015-11-19 | 420kV glues and soaks paper capacitanc transformer bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205140714U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786082A (en) * | 2019-04-01 | 2019-05-21 | 江苏神马电力股份有限公司 | Bushing shell for transformer |
| EP3579252A1 (en) * | 2018-06-04 | 2019-12-11 | ABB Schweiz AG | Removable bushing flange |
| WO2022166821A1 (en) * | 2021-02-08 | 2022-08-11 | 江苏神马电力股份有限公司 | Transformer bushing |
-
2015
- 2015-11-19 CN CN201520933231.8U patent/CN205140714U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3579252A1 (en) * | 2018-06-04 | 2019-12-11 | ABB Schweiz AG | Removable bushing flange |
| WO2019233885A1 (en) * | 2018-06-04 | 2019-12-12 | Abb Schweiz Ag | Removable bushing flange |
| CN112219245A (en) * | 2018-06-04 | 2021-01-12 | Abb电网瑞士股份公司 | Removable sleeve flange |
| KR20210005229A (en) * | 2018-06-04 | 2021-01-13 | 에이비비 파워 그리즈 스위처랜드 아게 | Removable bushing flange |
| CN112219245B (en) * | 2018-06-04 | 2022-05-10 | 日立能源瑞士股份公司 | Flange, sleeve and method for assembling, filling and removing flange |
| KR102447848B1 (en) * | 2018-06-04 | 2022-09-26 | 히타치 에너지 스위처랜드 아게 | Removable bushing flange |
| US11552463B2 (en) * | 2018-06-04 | 2023-01-10 | Hitachi Energy Switzerland Ag | Removable bushing flange |
| CN109786082A (en) * | 2019-04-01 | 2019-05-21 | 江苏神马电力股份有限公司 | Bushing shell for transformer |
| WO2022166821A1 (en) * | 2021-02-08 | 2022-08-11 | 江苏神马电力股份有限公司 | Transformer bushing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205140714U (en) | 420kV glues and soaks paper capacitanc transformer bushing | |
| CN203481020U (en) | Rubber impregnated paper capacitive transformer bushing | |
| CN203312015U (en) | Epoxy impregnated paper capacitive transformer bushing | |
| CN203481018U (en) | Resin-impregnated paper high-voltage capacitance bushing for converter transformer | |
| CN203085335U (en) | Glue impregnated paper capacitance-type transformer bushing | |
| CN201345528Y (en) | GIS dry type cable terminal | |
| CN201075652Y (en) | Dry type prefabricated gas insulated terminal | |
| CN205810565U (en) | A kind of metal shell three-phase ground voltage transformer | |
| CN202534542U (en) | Capacitor | |
| CN101752823B (en) | GIS (geographical information system) dry-core cable terminal | |
| CN208637303U (en) | It is a kind of can plug internal cone type capacitance type potential transformer | |
| CN201780861U (en) | High-voltage transformer | |
| CN203733537U (en) | High-voltage outdoor bushing | |
| CN202134316U (en) | Oil-SF6 glue leaching paper capacitance type transformer sleeve | |
| CN205406299U (en) | Circular aluminum hull direct current supports condenser | |
| CN202134314U (en) | Ultrahigh pressure dry-oil-SF6 sleeve | |
| CN206574887U (en) | A kind of coaxial adapter pin of hermetic seal | |
| CN201741563U (en) | Integrated output terminal structure of capacitive divider | |
| CN207021122U (en) | One kind exempts from out hand hole formula bushing shell for transformer | |
| CN204243596U (en) | The fuse unit of solid insulation ring main unit | |
| CN201532857U (en) | Box type capacitor | |
| CN201025667Y (en) | Well mouth penetration tool for cable of submersible motor | |
| CN205944990U (en) | Prefabricated formula of cross -linked polyethylene insulated cable can be pulled out and inserted GIS terminal | |
| CN206076048U (en) | A kind of anti-penetration capacitor | |
| CN205354836U (en) | Novel resin pouring dry -type grounding transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190605 Address after: 712044 East Section 009 of Century Avenue, Fengdong New Town, Xixian New District, Xi'an City, Shaanxi Province Co-patentee after: Xi'an XD Transformer Co., Ltd. Patentee after: Xi'an Xidian High Pressure Sleeve Co., Ltd. Co-patentee after: China XD Electronic Corporation Address before: No. 7, Tang Xing Road, Xi'an, Shaanxi Province Patentee before: China XD Electronic Corporation |
|
| TR01 | Transfer of patent right |