CN2501171Y - Air high-voltage current transformer with new structure - Google Patents
Air high-voltage current transformer with new structure Download PDFInfo
- Publication number
- CN2501171Y CN2501171Y CN 01231428 CN01231428U CN2501171Y CN 2501171 Y CN2501171 Y CN 2501171Y CN 01231428 CN01231428 CN 01231428 CN 01231428 U CN01231428 U CN 01231428U CN 2501171 Y CN2501171 Y CN 2501171Y
- Authority
- CN
- China
- Prior art keywords
- copper
- copper bar
- casing
- current transformer
- place
- 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
Images
Landscapes
- Transformers For Measuring Instruments (AREA)
Abstract
A new structure dry high voltage current transformer comprises a box body, a U shape casing body, an outer protecting sleeve, an insulating umbrella skirt, a second coil, a metal equal pressure ball mask, a wiring terminal and a coupler. The character is that the box body comprises a step-like box shell and shell lid. The step of the box shell and the connecting plate thereon bears the second coil. A flange and a clipping hoop for positioning the casing body are arranged on the puncturing port position of the two casing bodies of the box lid. A first winding comprises a copper tube which is arranged in the framework, a copper stick which is arranged in the copper tube, an insulating layer between the copper tube and the copper stick, a casing type coupling copper row which is arranged on the two end part of the copper stick and the copper tube, a coupling copper row and a coupling copper slice. The advantage is the compact structure and the convenient facture and installation.
Description
Technical field:
The utility model is a kind of new construction Dry Type High Tension Current Transformer that is used for 35KV and the above high-voltage fence of 35KV, belongs to the High-Voltage Electrical Appliances field.
Background technology:
Existing U-shaped Dry Type High Tension Current Transformer is by casing, by winding of U-shaped with wear the U-shaped tubulose rigid backbone that winding uses and be paperwrapped in the outer U-shaped capacitor core of skeleton and be located at the outermost U-shaped organic insulation of capacitor core oversheath and form union body, be located at the organic insulation cluster parachute on the casing outer casing tube body both arms, be located at the secondary winding on the union body both arms in the casing, be located at the binding post at union body both arms top, coupling, voltage equalizing ball is formed, wherein rigid backbone by steel alloy or other not the magnetic conduction rigid material make, capacitor core is around in the outer banded organic insulation thin dielectric film that is coated with silicone oil of skeleton by alternating packets, the metal forming capacitance plate forms.This U-shaped Dry Type High Tension Current Transformer it fundamentally solved former oil-filled, the existing easy to leak of gas-filled type current transformer, contaminated environment, easily caught fire, the shortcoming of pollution flashover, blast, improved environment, improved the current transformer safe running performance, and make that current transformer is simple in structure, volume is little, in light weight, thereby alleviated the installation, maintenance workload greatly, and working strength of workers, and improved the operation of power networks reliability, thereby just obtained user's favor after the product production in 97,98 years.But the just present product of producing, because its fixed structure adopts in the case shell and establishes inner support, the case lid outside is established support arm and fixed secondary low-voltage coil, bushing body, therefore parts more, cause manufacturing procedure many, install inconvenient, and with inner support supporting secondary pitch of the laps, less because of contact-making surface, supporting force is also less and very inhomogeneous; And its winding general copper bar that adopts when it is two circles is made lead, because of four terminations on the two circle copper bars need its direct bending is connected, thereby very hard when making, take a lot of work, so must improve structure, to enhance productivity and to improve the quality of product.
Summary of the invention:
The purpose of this utility model is to provide a kind of structure more reasonable, compact, makes, more easy U-shaped Dry Type High Tension Current Transformer is installed, to enhance productivity.
The purpose of this utility model is to realize like this, a kind of new construction Dry Type High Tension Current Transformer includes casing (1), by winding of U-shaped and tubulose rigid backbone (33) and be paperwrapped in the outer capacitor core (34) of skeleton and be located at the union body 3 that the outermost U-shaped organic insulation of capacitor core overcoat (35) is formed, be located at the organic insulation full skirt (38) on the casing outer casing tube body both arms, be located at the secondary winding (2) on the casing inner sleeve body both arms, be located at two binding posts (4) at union body both arms top, coupling (6), voltage equalizing ball cover (5), it is characterized in that casing (1) comprises is stairstepping case shell (11) and case lid (12) two parts, and it is with being located on the case lid that the bolt in the countersunk (123) is screwed that these two parts are in aggregates by the little flange (122) of being located at a plurality of band screws around the case shell top, the ladder (111) at case shell stairstepping place is the flange that an inside support secondary winding coil is used, its position is complementary with the position that places secondary winding coil (22) in the case shell, be symmetrical arranged the connecting plate (113) of two supporting secondary winding coil inboards in the inboard of flange shape ladder, secondary winding coil (21), (22) on union body two arms, be symmetrical arranged, arrange in regular turn, and on each coil, be provided with and make it to tighten the fixedly clip of usefulness (211), (221), two union bodies at case lid pass the flange (121) that the place, hole respectively is provided with union body location usefulness, and establish a clip (391) at the union body place that case lid passes under the hole, on the union body at case shell bottom centre position place, establish a clip (392), a described winding be 2 circles it by the copper pipe of being located in the rigid tubular skeleton (33) (32), be located at interior copper rod (31) of copper pipe (32) and the insulating barrier (36) between this three, be located at the copper rod left and right end portions, the bushing type connecting copper bar (41) of copper pipe left and right end portions, (43), (42), (44) and connecting copper bar (46), connecting copper piece (45), (47), (48) form, bushing type connecting copper bar (42) wherein, (43), (44) by one with copper pipe or the copper rod cylindrical casing of close-fitting (421) mutually, (431), (441) and the bar shaped copper bar (422) that is connected with the external cylindrical surface of this cylindrical casing, (432), (442) form, bushing type connects copper bar (41) by being formed with the copper rod left end arc copper bar (412) that the cylindrical casing of close-fitting (411) reaches and this sleeve pipe external cylindrical surface is connected mutually by one, and the other end of this arc copper bar and the binding post on the left side (4) link, connecting copper bar (46) is a square copper bar, the one end is connected on the binding post (4) on the left side, its other end is horizontally disposed with, copper bar (422), (432), (442) also all be and be horizontally disposed with, and four at grade, and present, two rows are corresponding down arranges, the equal spacing of being separated by between two terminations of its every row's copper bar, these four terminations are by connecting copper piece (47), (48) it is linked, and the coupled position that changes connecting copper piece is vertical by level, can change a umber of turn is 1 circle by 2 circles, above-mentioned bushing type connecting copper bar, connecting copper bar, connecting copper piece all is arranged at going up on the cover (61), on two binding posts of coupling, the place, lower surface, the end of the copper pipe two ends of a winding is provided with insulation cushion (37).
The major advantage of above-mentioned new construction Dry Type High Tension Current Transformer is:
1. adopt case shell, the case lid of global formation, do not need inside and outside case, to be provided with again the inner support that supports the secondary pitch of the laps, the support arm of support set body, thereby make simple in structure, making, easy for installation, and the step-like inward flange of case shell, make secondary pitch of the laps supporting stability better, stressed more even, two upper flanges of case lid then make the union body both arms can locate better and with the casing stable bond.
2. adopt that a winding of being made up of copper pipe, copper rod, telescopic connecting copper bar, connecting copper bar, connecting copper piece makes not only that makings, installation very make things convenient for, the saving of labor, save time, and make the very easy conversion of the number of turn of a winding and satisfy the different demand of user.
3. above-mentioned this two advantage not only makes making, easy for installation, good stability, and has improved production efficiency.
Description of drawings:
Fig. 1 is the overall structure schematic diagram of the utility model embodiment;
Fig. 2 is the vertical view of Fig. 1:
The structural representation that Fig. 3 is 2 circles for a winding among Fig. 1;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the B-B cutaway view of Fig. 4;
Fig. 6 is the A-A cutaway view of Fig. 4.
Embodiment:
The structure of present embodiment and the structure of above-mentioned utility model are basic identical, therefore repeated description no longer, this basic present embodiment with the structure of structure, full skirt and the case shell of coupling, and some materials useds be further qualified as follows:
In the present embodiment the bottom for the U-shaped union body more stably be arranged in the stairstepping case shell (11), case shell stability better, more attractive in appearance, with the bottom design of case shell be in the middle of one for oval, about have the base plate (112) of cambered outwards support plate (1122) that are parallel to each other, and a circular arc hole (1121) that matches with the U-shaped union body is arranged in oval centre.
Insulate in the present embodiment oversheath and full skirt all is made with silicon rubber, and full skirt is a single piece, and it is fastened on the oversheath, and oversheath is fastened on the capacitor core.Dodge ability in order to improve anti-soil, the full skirt in the present embodiment is for by the bigger umbrella of diameter (381) with place less alternate the arrangement in regular turn of umbrella (382) of diameter under this umbrella to form.
Coupling (6) connecting plate (63) of going up cover (61), being linked to insulation board (62) centre that plugs with the joining insulation board of left and right binding post (62), with top left and right metal voltage equalizing ball cover (5) of serving as reasons is formed in the present embodiment.When copper bar overhauls can with on the cover (61) take away, can operate.
Claims (5)
1. a new construction Dry Type High Tension Current Transformer includes casing (1), by winding of U-shaped and tubulose rigid backbone (33) and be paperwrapped in the outer capacitor core (34) of skeleton and be located at the union body 3 that the outermost U-shaped organic insulation of capacitor core overcoat (35) is formed, be located at the organic insulation full skirt (38) on the casing outer casing tube body both arms, be located at the secondary winding (2) on the casing inner sleeve body both arms, be located at two binding posts (4) at union body both arms top, coupling (6), voltage equalizing ball cover (5), it is characterized in that casing (1) comprises is stairstepping case shell (11) and case lid (12) two parts, and it is with being located on the case lid that the bolt in the countersunk (123) is screwed that these two parts are in aggregates by the little flange (122) of being located at a plurality of band screws around the case shell top, the ladder (111) at case shell stairstepping place is the flange that an inside support secondary winding coil is used, its position is complementary with the position that places secondary winding coil (22) in the case shell, be symmetrical arranged the connecting plate (113) of two supporting secondary winding coil inboards in the inboard of flange shape ladder, secondary winding coil (21), (22) on union body two arms, be symmetrical arranged, arrange in regular turn, and on each coil, be provided with and make it to tighten the fixedly clip of usefulness (211), (221), two union bodies at case lid pass the flange (121) that the place, hole respectively is provided with union body location usefulness, and establish a clip (391) at the union body place that case lid passes under the hole, on the union body at case shell bottom centre position place, establish a clip (392), a described winding be 2 circles it by the copper pipe of being located in the rigid tubular skeleton (33) (32), be located at interior copper rod (31) of copper pipe (32) and the insulating barrier (36) between this three, be located at the copper rod left and right end portions, the bushing type connecting copper bar (41) of copper pipe left and right end portions, (43), (42), (44) and connecting copper bar (46), connecting copper piece (45), (47), (48) form, bushing type connecting copper bar (42) wherein, (43), (44) by one with copper pipe or the copper rod cylindrical casing of close-fitting (421) mutually, (431), (441) and the bar shaped copper bar (422) that is connected with the external cylindrical surface of this cylindrical casing, (432), (442) form, bushing type connects copper bar (41) by being formed with the copper rod left end arc copper bar (412) that the cylindrical casing of close-fitting (411) reaches and this sleeve pipe external cylindrical surface is connected mutually by one, and the other end of this arc copper bar and the binding post on the left side (4) link, connecting copper bar (46) is a square copper bar, the one end is connected on the binding post (4) on the left side, its other end is horizontally disposed with, copper bar (422), (432), (442) also all be and be horizontally disposed with, and four at grade, and present, two rows are corresponding down arranges, the equal spacing of being separated by between two terminations of its every row's copper bar, these four terminations are by connecting copper piece (47), (48) it is linked, and the coupled position that changes connecting copper piece is vertical by level, can change a umber of turn is 1 circle by 2 circles, above-mentioned bushing type connecting copper bar, connecting copper bar, connecting copper piece all is arranged at going up on the cover (61), on two binding posts of coupling, the place, lower surface, the end of the copper pipe two ends of a winding is provided with insulation cushion (37).
2. by the described Dry Type High Tension Current Transformer of claim 1, its bottom of case shell (11) that it is characterized in that described casing (1) is to be oval, the left and right base plate (112) that has cambered outwards supporting (1122) that are parallel to each other in the middle of one, and a circular arc hole (1121) that matches with the U-shaped sleeve pipe is arranged at place, oval centre.
3. by the described Dry Type High Tension Current Transformer of claim 1, it is characterized in that described coupling (6) connecting plate (63) of going up cover (61), being linked to the insulation board centre that plugs with the joining insulation board of left and right binding post (62), with top left and right metal voltage equalizing ball cover (5) of serving as reasons forms.
4. by the described Dry Type High Tension Current Transformer of claim 1, it is characterized in that full skirt is a single piece, make that it is fastened on the oversheath by silicon rubber.
5. by the described Dry Type High Tension Current Transformer of claim 4, it is characterized in that umbrella on the full skirt is for by the bigger umbrella of diameter (381) with place less alternate the arrangement in regular turn of umbrella (382) of diameter under this umbrella to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01231428 CN2501171Y (en) | 2001-07-13 | 2001-07-13 | Air high-voltage current transformer with new structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01231428 CN2501171Y (en) | 2001-07-13 | 2001-07-13 | Air high-voltage current transformer with new structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2501171Y true CN2501171Y (en) | 2002-07-17 |
Family
ID=33645690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01231428 Expired - Lifetime CN2501171Y (en) | 2001-07-13 | 2001-07-13 | Air high-voltage current transformer with new structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2501171Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102385045A (en) * | 2011-10-25 | 2012-03-21 | 保定天威集团有限公司 | Error test method for heavy current transformer and special device used in same |
| CN101656143B (en) * | 2008-08-22 | 2012-05-23 | 特变电工沈阳变压器集团有限公司 | High-voltage terminal device for transformer |
| CN106291050A (en) * | 2016-07-30 | 2017-01-04 | 国网四川省电力公司电力科学研究院 | A kind of erecting device of the optics overvoltage sensor for transmission line of electricity |
| CN110544572A (en) * | 2019-08-20 | 2019-12-06 | 国网陕西省电力公司电力科学研究院 | 330kV dry-type capacitive current transformer and preparation method thereof |
| CN114188120A (en) * | 2021-11-24 | 2022-03-15 | 江苏现代电力科技股份有限公司 | Filter reactor for high-power SVG and APF |
-
2001
- 2001-07-13 CN CN 01231428 patent/CN2501171Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101656143B (en) * | 2008-08-22 | 2012-05-23 | 特变电工沈阳变压器集团有限公司 | High-voltage terminal device for transformer |
| CN102385045A (en) * | 2011-10-25 | 2012-03-21 | 保定天威集团有限公司 | Error test method for heavy current transformer and special device used in same |
| CN102385045B (en) * | 2011-10-25 | 2013-06-12 | 保定天威集团有限公司 | Error test method for heavy current transformer and special device used in same |
| CN106291050A (en) * | 2016-07-30 | 2017-01-04 | 国网四川省电力公司电力科学研究院 | A kind of erecting device of the optics overvoltage sensor for transmission line of electricity |
| CN106291050B (en) * | 2016-07-30 | 2019-06-18 | 国网四川省电力公司电力科学研究院 | A kind of mounting device of the optics overvoltage sensor for transmission line of electricity |
| CN110544572A (en) * | 2019-08-20 | 2019-12-06 | 国网陕西省电力公司电力科学研究院 | 330kV dry-type capacitive current transformer and preparation method thereof |
| CN114188120A (en) * | 2021-11-24 | 2022-03-15 | 江苏现代电力科技股份有限公司 | Filter reactor for high-power SVG and APF |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102747856B (en) | Compound material insulating pole tower for power transmission and distribution lines | |
| CN201424843Y (en) | Iron tower for ultra-high voltage transmission | |
| CN2501171Y (en) | Air high-voltage current transformer with new structure | |
| CN1808645A (en) | Sulfur hexafluoride current transformer | |
| CN201460375U (en) | Four-loop upright umbrella type pylon | |
| CN209216733U (en) | 2000kV oil-impregnated paper condenser type transformer bushing | |
| CN109779373B (en) | Cable terminal rod for breaking one circuit in double-circuit same-rod parallel-rack transmission line | |
| CN2788313Y (en) | Composite insulating housing of novel umbrella skirt structure | |
| CN2463922Y (en) | Porcelain core and silicon rubber umbrella sleeve combined insulator | |
| CN216355887U (en) | Three-phase vertical overhead outgoing line framework structure of transformer substation | |
| CN2694452Y (en) | Sulfur hexafluoride current transformer | |
| CN201141223Y (en) | Self-supporting door type power transmission iron tower for DC transmission line | |
| CN2640084Y (en) | Dry type high-pressure wall bushing | |
| CN2227869Y (en) | Outdoor dry hollow parallel reactor | |
| CN203165582U (en) | Super /extra high tension AC composite insulator umbrella shape structure | |
| CN2814639Y (en) | Sulfur hexafluoride current mutual inductor | |
| CN2185920Y (en) | Outdoor dry hollow parallel reactor | |
| CN212724852U (en) | Light high-strength suspension type porcelain insulator | |
| CN201508765U (en) | Dry current transformer | |
| CN2643459Y (en) | Combined high-voltage current transformer | |
| CN2566510Y (en) | Dry high voltage wall bushing | |
| CN217631620U (en) | Adjustable three-rod single-loop strain steel pipe rod | |
| CN2541936Y (en) | Dry high voltaeg current transformer | |
| CN2485850Y (en) | Organic composite wall-through casing for high voltage | |
| CN112152170B (en) | Gantry support for power cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20110713 Granted publication date: 20020717 |