CN1207733C - Composite high-voltage casing and its production process - Google Patents
Composite high-voltage casing and its production process Download PDFInfo
- Publication number
- CN1207733C CN1207733C CNB011387971A CN01138797A CN1207733C CN 1207733 C CN1207733 C CN 1207733C CN B011387971 A CNB011387971 A CN B011387971A CN 01138797 A CN01138797 A CN 01138797A CN 1207733 C CN1207733 C CN 1207733C
- Authority
- CN
- China
- Prior art keywords
- insulating layer
- main insulating
- dry type
- type composite
- coating
- 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 - Fee Related
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000003365 glass fiber Substances 0.000 claims abstract description 23
- 239000004065 semiconductor Substances 0.000 claims abstract description 20
- 239000003822 epoxy resin Substances 0.000 claims abstract description 18
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims abstract description 9
- 239000004593 Epoxy Substances 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims description 30
- 238000000576 coating method Methods 0.000 claims description 30
- 239000003990 capacitor Substances 0.000 claims description 21
- 238000003618 dip coating Methods 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 10
- 229920002379 silicone rubber Polymers 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 6
- 239000011152 fibreglass Substances 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000004804 winding Methods 0.000 abstract description 5
- 239000011521 glass Substances 0.000 abstract description 2
- 238000004880 explosion Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 8
- 239000003921 oil Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000005030 aluminium foil Substances 0.000 description 5
- 239000012212 insulator Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 235000019082 Osmanthus Nutrition 0.000 description 1
- 241000333181 Osmanthus Species 0.000 description 1
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 229910052571 earthenware Inorganic materials 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000005337 ground glass Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Landscapes
- Insulating Bodies (AREA)
- Insulators (AREA)
Abstract
The present invention discloses a pure dry type high-pressure sleeve pipe with a composite casing and a production method. A main insulating layer 2 is a pure solid concentric cylindrical insulating layer with multilayer serial connection, and the pure solid concentric cylindrical insulating layer is composed of at least two solid layers in interval arrangement and close combination. An insulating casing 3 and a connecting sleeve barrel 4 are closely connected with the external side of the main insulating layer 2. The production method has the following steps that a semiconductor band and glass fiber material dipped with epoxy resin are wound and shaped on a conductive rod 1 to be made into the main insulating layer 2 at intervals by epoxy glass silk wet-process winding and forming technology according to a sine curve rule, the main insulating layer is solidified, and the surface of the main insulating layer 2 is processed; the main insulating layer 2 is fixedly connected with a connecting sleeve barrel 4, and provided with an installation insulating casing 3, a pressure equalizing cover 7 and a wiring terminal 8. The present invention has the advantage that the present invention does not contain any oil or gas, and thus, the hidden troubles of oil leakage, gas leakage and explosion are completely avoided; the present invention has small volume and light weight and is difficult to damage, and thus, the present invention is convenient to transport and mount; the production technology is simple; the cost is low.
Description
Technical field:
The invention belongs to a kind of high-voltage electric device and the production method thereof used when high-pressure conductor in the power equipment passes through wall or miscellaneous equipment (transformer etc.) grounding shell, particularly a kind of dry type composite sheath bushing and production method.
Background technology:
At present in the electric power system when high-tension line passes through wall or equipment ground shell employed bushing all contain conducting rod, main insulating layer, insulating coating and joint sleeve etc., its version has following several basically: a kind of is traditional paper condenser and gas-insulating type, and its insulating coating all is an insulator.The main insulating layer of paper condenser generally is to be provided with at interval by insulating paper and aluminium foil strip (or semiconductor tape) to roll the multilayer dielectric layer that forms, leave the gap between every layer, be filled with transformer oil in the gap, also be filled with transformer oil between main insulating layer and the insulator (insulating coating); The structure of gas-insulating type is to be air or other gas between conducting rod and the insulator (insulating coating); Another kind is that the structure of main insulating layer is identical with paper condenser with processing technology, be to be provided with at interval by teflin tape, aluminium foil strip to roll the multilayer dielectric layer that forms, there is the gap between every layer, fill by insulating oil, different is that main insulating layer is encapsulated with heat-shrink tube or organic insulation pipe outward, above insulating coating being adhesive in again; Also having a kind of then is that main insulating layer is to add aluminium foil strip by insulating paper to roll the multilayer dielectric layer that forms at interval, roll finish after epoxy resin dipping cured again, very close to each other in the main insulating layer, but gapped and be filled with pasty masses (silicone grease) or gas between main insulating layer and the insulating coating, and insulating coating is an insulator.More than the processing method of main insulating layer of several bushings all adopt roughly the same rolling technology and roll equipment, but difference to some extent on the structure, no matter the sort of structure all contains non-solid oil or gas, therefore, exist gas leak of the oil leakage, electric property instability, machinery is poor with anti-pollution characteristic, maintenance workload is big, inflammable and explosively jeopardize the person and device security, useful life is short and different defectives such as processing technology complexity.In order to address this problem, China Patent No. is that 92238167.3 utility model patent discloses " a kind of condenser type synthesizes sleeve pipe ", its main insulating layer main insulating layer (removing full skirt 3) has only two-layer, is the high molecular polymer insulator of matrix and the semiconductor loop formation made from semi-conducting material with osmanthus rubber promptly.Though in specification, narrated with traditional earthenware and compared the advantage that is had, as the electric field strength of earth terminal " can improve effectively distribute " etc., but this product does not make the axial and radial electric field Potential distribution of capacitor core rationally even, and the effect of successively not protecting, once external humidification is invaded sleeve pipe, then main insulating layer inside is very easy to make moist, and the electric field distortion phenomenon takes place then.
Summary of the invention:
The purpose of this invention is to provide a kind of have by semicoductor capacitor all press pole plate and dip-coating that the glass fiber material alternate intervals setting of epoxy resin is arranged and the multilayer that forms of combining closely connect the dry type composite sheath bushing and the production method of pure solid concentric column insulating barrier, to eliminate the various defectives that bushing was occurred of present use, improve discharge inception voltage to greatest extent, the voltage that has improved the pole plate end distributes, strengthen mechanical structure, improve power supply quality, reduce power supply cost.
Technical solution of the present invention is: a kind of dry type composite sheath bushing, comprise conducting rod 1, the main insulating layer 2 that conducting rod 1 outside joins, insulating coating 3 and branch sleeve 4, described main insulating layer 2 is all to press pole plate and dip-coating that the glass fiber material alternate intervals setting of epoxy resin is arranged and the multilayer that forms of the combining closely pure solid concentric column insulating barrier of connecting by semicoductor capacitor, insulating coating 3 and branch sleeve 4 also with main insulating layer 2 outside close proximity, its number of plies and every layer of dip-coating of being twined have the thickness of the glass fiber material of epoxy resin to decide according to the requirement of products of different specifications, but should be four layers at least.
The material of described insulating coating 3 is a silicon rubber.
Be connected to measurement terminal 5 with main insulating layer 2, be connected to the running state monitoring device with measurement terminal 5.
Described semicoductor capacitor all press every layer on pole plate along conducting rod 1 longitudinally length successively successively decrease from internal layer to skin.
A kind of production method of dry type composite sheath bushing is characterized in that comprising the steps: substantially
A. there is the glass fiber material alternate intervals ground coiling typing of epoxy resin on conducting rod 1, to make main insulating layer 2 semiconductor tape, dip-coating with epoxy fibreglass wet method coiling moulding process, ground floor is that semicoductor capacitor is all pressed pole plate, and the most last layer has the glass fibre of epoxy resin for dip-coating;
B. solidify;
C. main insulating layer 2 is carried out Surface Machining;
D. fixedly connected sleeve 4;
F. install insulating coating 3:
G., pressure equalizing cover 7 and binding post 8 are installed.
Before described a step with conducting rod 1 preheating.
On the conducting rod 1 before coiling ground floor semiconductor equalizing press pole plate and the outside of ground floor conductive plate is coated with epoxy resin.
In described a step, after all pressing pole plate, be provided for drawing tap with measurement terminal is joined around intact the last layer semicoductor capacitor.
Described installing insulating coating for the integral die method respectively with silicon rubber one-step mould sulfidization molding on main insulating layer 2 outer surfaces, form outdoor end insulating coating and indoor end insulating coating or earlier the silicon rubber one-step mould is sulfided into indoor, outdoor umbrella cover, again indoor, outdoor umbrella cover is sticked with glue on the outer surface that is connected on main insulating layer 2, form outdoor end insulating coating and indoor end insulating coating.
The present invention compared with prior art has following advantage:
1. product is totally-enclosed pure solid dry construction, does not contain any oil or gas, has avoided leakage of oil, gas leakage, inflammable and explosive hidden danger fully; Under the long-time running service condition, its electric and stable mechanical performance is reliable, and long service life has really reached the requirement of " non-maintaining " that power department proposes, and is producing and in servicely can not cause any pollution to environment;
2. simple in structure, volume is little, in light weight, not fragile, be convenient to transportation and install:
3. the main insulating layer structure improves discharge inception voltage to greatest extent, and the voltage that has improved the pole plate end distributes, and mechanical structure strengthened (can reach the several times with the common rod iron of diameter), has improved the electric and mechanical performance of product;
4. insulating coating is the silicon rubber composite sheath, has improved the anti-dirty ability of product;
5. processing technology is simple, and cost is low.
Description of drawings:
Fig. 1 is the structural representation of the specific embodiment of the invention.
Embodiment:
As shown in Figure 1: 1 is conducting rod, adopts copper rod (pipe) or aluminium bar (pipe) material to make, and conducting rod 1 is formed capacitor core (solid concentric cylinder series capacitor) with main insulating layer 2.Main insulating layer 2 can adopt existing wet method coiling moulding process man-hour adding, with the special equipment that twines epoxy silk or filament cloth insulated tube (rod), there are the glass fiber of epoxy resin or fiberglass braided band compartment of terrain coiling typing on conducting rod 1, to form the main insulating layer 2 of combining closely semiconductor tape, dip-coating.
The concrete operations of making capacitor core are as follows:
A. earlier conducting rod 1 is fixed on and twines on the frame, start wrapping machine and start heater simultaneously, heating-up temperature is adjusted to 120 ℃, for making the better effects if of winding, can be with conducting rod preheating 1 hour, and on the conducting rod 1 that preheating is good, be coated with one deck epoxy resin, semiconductor tape is fixed on the coaster, on conducting rod 1, begin to twine ground floor capacitance pole flaggy (semiconductor equalizing press pole plate layer), the speed of coaster should be able to make semiconductor tape press one side of something to press mutually and be advisable, and the two ends of semiconductor equalizing press pole plate should be neat, smooth.
B. behind the intact ground floor semiconductor equalizing press pole plate of coiling, can be coated with one deck epoxy resin in the outside of semiconductor equalizing press pole plate, so that the better effects if of coiling glass fiber or fiberglass braided band.During the coiling glass fiber, adopt 8 bundle glass fiber side by side, and the glass fiber that sequences passed through resin storage tank, compress with compaction tool, allow resin be immersed in equably above the glass fiber,, glass fiber is wrapped in tightly the outside of semiconductor equalizing press pole plate again through the tension guider, when the thickness of twine ground glass fiber reaches requirement, cut off glass fiber.The speed that should regulate winding during winding is 30～50 commentaries on classics/clocks, and the speed of coaster walking is 100～150cm/ clock, and has 50 ° ± 5 ° angle and glass fiber carry out under the condition of 1～2N tension force between glass fiber and conducting rod 1.
C. on ground floor ferry glass insulation layer, twine second layer semiconductor equalizing press pole plate, and then twine second layer glass fiber ... move in circles.When last one deck semiconductor equalizing press pole plate after intact, presses a copper sheet, be used for drawing tap in order to welding with measurement terminal is joined, outside the semiconductor equalizing press pole plate of final stage again in the winding dip-coating glass fiber layer of epoxy resin is arranged.
Semicoductor capacitor all press every layer on pole plate along conducting rod 1 longitudinally length should successively successively decrease from internal layer to skin, its number of plies and every layer of dip-coating of being twined have the thickness of the glass fiber material of epoxy resin to decide according to the requirement of products of different specifications, dip-coating has the glass fiber material of epoxy resin to play insulating effect, semicoductor capacitor all presses pole plate to play all pressure effects, and all pressures pole plate (as aluminium foil or aluminium foil braid over braid) that also can adopt other dip-coating to have the insulating material (as insulating paper) of bonding agent maybe can play all pressure effects carries out coiling.
D. wind and to continue behind the main insulating layer 2 on wrapping machine, to rotate oven dry, treat that resin not during drip, puts into baking oven with established capacitor core and be cured.
The capacitor core that is cured is carried out Surface Machining by product requirement with lathe.After the processing, adopt screw thread to hold out against the middle part that structure is fixed on capacitor core branch sleeve 4, the insulating sleeve 3 at capacitor core two ends can be installed with following dual mode: a kind of be with dull and stereotyped sulphur press integral die method respectively with silicon rubber one-step mould sulfidization molding on main insulating layer 2 outer surfaces, press outdoor end earlier, press indoor end again, form outdoor end insulating coating and indoor end insulating coating, another kind method is to be sulfided into the silicon rubber one-step mould indoor with dull and stereotyped sulphur press, outdoor umbrella cover, again with indoor, outdoor umbrella cover is bonded in room temperature vulcanized silicone rubber on the outer surface of main insulating layer 2, forms outdoor end insulating coating and indoor end insulating coating.Its outdoor part adopts big umbellule umbrella shape, and indoor part is isometrical umbrella, and outdoor creepage grade distance is pressed the above fouling resistance rating design of III level, and indoor outer insulation property all satisfy the regulation of GB311.1 " insulation coordination of high-tension power transmission and transformation equipment ".
The two ends installing pressure equalizing cover 7 and the binding post 8 of capacitor core, the measurement terminal 5 of all pressing pole plate to be connected with the capacitor core outermost layer is installed on the branch sleeve 4, use during for the measurement electric property, the running state monitoring device also can join between measurement terminal 5 and ground, to monitor the running status of product, also can current transformer 6 be installed on branch sleeve 4 according to user's needs, so that be in operation to electric power system provides the control metering signal, can improve reliability of products.
Claims (10)
1. dry type composite sheath bushing, comprise conducting rod (1), main insulating layer (2), insulating coating (3) and branch sleeve (4) that conducting rod (1) outside joins, it is characterized in that: described main insulating layer (2) is all to press pole plate and dip-coating that the glass fiber material alternate intervals setting of epoxy resin is arranged and the multilayer that forms of the combining closely pure solid concentric column insulating barrier of connecting by semicoductor capacitor, insulating coating (3) and branch sleeve (4) also with main insulating layer (2) outside close proximity.
2. dry type composite sheath bushing according to claim 1 is characterized in that: the material of described insulating coating (3) is a silicon rubber.
3. dry type composite sheath bushing according to claim 1 and 2 is characterized in that: be connected to measurement terminal (5) with main insulating layer (2), be connected to the running state monitoring device with measurement terminal (5).
4. dry type composite sheath bushing according to claim 1 and 2 is characterized in that: branch sleeve (4) is provided with current transformer (6).
5. dry type composite sheath bushing according to claim 1 and 2 is characterized in that: described semicoductor capacitor all press every layer on pole plate along conducting rod (1) longitudinally length successively successively decrease from internal layer to skin.
6. the production method of a dry type composite sheath bushing is characterized in that comprising the steps: substantially
A. there is the glass fiber material alternate intervals ground coiling typing of epoxy resin on conducting rod (1), to make main insulating layer (2) semiconductor tape, dip-coating with epoxy fibreglass wet method coiling moulding process, ground floor is that semicoductor capacitor is all pressed pole plate, and the most last layer has the glass fibre of epoxy resin for dip-coating;
B. solidify;
C. main insulating layer (2) is carried out Surface Machining;
D. fixedly connected sleeve (4);
F. install insulating coating (3);
G., pressure equalizing cover (7) and binding post (8) are installed.
7. the production method of dry type composite sheath bushing according to claim 6 is characterized in that: described a step is preceding with conducting rod (1) preheating.
8. according to the production method of claim 6 or 7 described dry type composite sheath bushings, it is characterized in that: the conducting rod (1) before coiling ground floor semiconductor equalizing press pole plate is gone up and is coated with epoxy resin in the outside of ground floor semiconductor equalizing press pole plate.
9. according to the production method of claim 6 or 7 described dry type composite sheath bushings, it is characterized in that: in described a step, after all pressing pole plate, be provided for drawing tap with measurement terminal (5) is joined around intact the last layer semicoductor capacitor.
10. according to the production method of claim 6 or 7 described dry type composite sheath bushings, it is characterized in that: described installing insulating coating for the integral die method respectively with silicon rubber one-step mould sulfidization molding on main insulating layer (2) outer surface, form outdoor end insulating coating and indoor end insulating coating or earlier the silicon rubber one-step mould is sulfided into indoor, outdoor umbrella cover, again indoor, outdoor umbrella cover is sticked with glue on the outer surface that is connected on main insulating layer (2), form outdoor end insulating coating and indoor end insulating coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011387971A CN1207733C (en) | 2001-12-08 | 2001-12-08 | Composite high-voltage casing and its production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011387971A CN1207733C (en) | 2001-12-08 | 2001-12-08 | Composite high-voltage casing and its production process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1350304A CN1350304A (en) | 2002-05-22 |
| CN1207733C true CN1207733C (en) | 2005-06-22 |
Family
ID=4674759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011387971A Expired - Fee Related CN1207733C (en) | 2001-12-08 | 2001-12-08 | Composite high-voltage casing and its production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1207733C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101572141B (en) * | 2008-05-04 | 2013-06-12 | 黄维枢 | Cascade high-voltage bushing |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1622173A1 (en) * | 2004-07-28 | 2006-02-01 | Abb Research Ltd. | High-voltage bushing |
| CN100394516C (en) * | 2006-05-11 | 2008-06-11 | 重庆红岢电力绝缘配件有限责任公司 | Production method of composite high-voltage bushing and its product |
| CN101958168A (en) * | 2010-08-23 | 2011-01-26 | 无锡市锡容电力电器有限公司 | Voltage divider casing pipe for electronic type mutual inductor |
| EP2629305B1 (en) * | 2012-02-20 | 2014-04-02 | ABB Technology AG | Composite materials for use in high voltage devices |
| CN102623153B (en) * | 2012-03-29 | 2016-02-24 | 中国电力科学研究院 | A kind of current transformer insulating sleeve |
| CN102623161B (en) * | 2012-03-29 | 2015-03-25 | 中国电力科学研究院 | Bus type current transformer |
| CN102709776B (en) * | 2012-05-23 | 2014-06-04 | 浙江同益电力设备有限公司 | Composite sleeve processing method |
| CN103093906A (en) * | 2013-02-07 | 2013-05-08 | 北京国电四维电力技术有限公司 | High voltage casing pipe |
| CN103456478B (en) * | 2013-09-13 | 2016-05-25 | 中国能源建设集团有限公司湖南电力电瓷电器厂 | Current transformer insulating wrapping method and current transformer |
| CN104900350B (en) * | 2015-05-14 | 2017-03-01 | 江苏沃能电气科技有限公司 | A kind of dry-type capacitance type compound insulation sleeve pipe production method |
| CN104934169B (en) * | 2015-05-15 | 2017-03-15 | 陈小红 | For manufacturing the equipment of 10 110kV glass-epoxies capacitance graded bushings or wall bushing |
| CN105633877A (en) * | 2015-12-28 | 2016-06-01 | 南京电气高压套管有限公司 | Dry capacitive-type through wall-penetrating bushing employing impregnated fiber |
| CN105590706B (en) * | 2016-02-01 | 2017-12-22 | 大连耐道电器有限公司 | A kind of manufacturing technique method of glass fibre reinforced plastic capacitance bushing shell for transformer |
| CN106099794A (en) * | 2016-08-22 | 2016-11-09 | 江苏智达高压电气有限公司 | A kind of ultrahigh voltage direct current wall bushing |
| CN109346249B (en) * | 2018-11-14 | 2023-08-18 | 南方电网科学研究院有限责任公司 | Bus support insulator |
| CN112863786A (en) * | 2021-01-13 | 2021-05-28 | 安徽智达电气科技有限公司 | Novel dry-type sleeve for electric power system |
| CN113593794B (en) * | 2021-07-01 | 2023-08-08 | 搏世因（北京）高压电气有限公司 | Automatic pressure gel pure dry type capacitor type high-voltage insulating sleeve and manufacturing method thereof |
| CN113851287B (en) * | 2021-09-16 | 2024-06-28 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Processing method of dry high-voltage sleeve with built-in pressure equalizing ball and high-voltage sleeve |
-
2001
- 2001-12-08 CN CNB011387971A patent/CN1207733C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101572141B (en) * | 2008-05-04 | 2013-06-12 | 黄维枢 | Cascade high-voltage bushing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1350304A (en) | 2002-05-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1207733C (en) | Composite high-voltage casing and its production process | |
| CN101339824B (en) | Composite insulating tube type bus and method for preparing the same | |
| CN201402952Y (en) | Dry-type high-voltage bushing | |
| CN1028700C (en) | Radially shrinkakle sleeve for enclosing connection or terminal of electrical cable | |
| CN2591820Y (en) | Dry high-voltage sleeve | |
| CN105590706B (en) | A kind of manufacturing technique method of glass fibre reinforced plastic capacitance bushing shell for transformer | |
| CN108736400A (en) | Glue soaks felt bushing | |
| CN100394516C (en) | Production method of composite high-voltage bushing and its product | |
| CN105161230A (en) | Synthetic fiber reinforced resin high-voltage bushing | |
| CN204991304U (en) | Synthetic fiber reinforced resins high -tension bushing | |
| CN202422879U (en) | Large-diameter mandrel for composite post insulator | |
| CN1419250A (en) | Dry-type high-voltage capacitor core and manufacturing method thereof | |
| CN2509688Y (en) | Composite casing high voltage bushing | |
| CN113782267A (en) | Optical fiber composite submarine cable and preparation method thereof | |
| CN104934169B (en) | For manufacturing the equipment of 10 110kV glass-epoxies capacitance graded bushings or wall bushing | |
| CN1913048A (en) | Manufacturing method of aerial cable with aluminium alloy core, aluminium yarn cross-linked polytene insulating layer and water-proof | |
| CN201438634U (en) | Two-layer coextrusion thermal contraction composited tube used for cable termination and cable termination | |
| CN113053573A (en) | High-temperature and high-pressure resistant submersible motor winding wire and manufacturing process thereof | |
| CN112863786A (en) | Novel dry-type sleeve for electric power system | |
| CN219916777U (en) | Composite special-shaped conductor and smooth aluminum sheath integrated high-voltage cable | |
| CN111106593A (en) | Novel cable intermediate head | |
| CN110690003A (en) | 66kV wind power high-voltage torsion cable and production process thereof | |
| CN203366823U (en) | Bimetallic cross-linking polyethylene high-strength and high-insulation aerial cable | |
| CN208986523U (en) | Glue soaks felt bushing | |
| CN217719164U (en) | Glue-impregnated fiber dry-type sleeve with sleeve type structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151020 Address after: 101400, room two, unit two, 202 Qingchun Road, Huairou, Beijing Patentee after: Zhongneng Ruisite Electrical Co., Ltd., Beijing Address before: 116601, Yingbin street, Dalian, Liaoning, Xingang Patentee before: Mi Pu Patentee before: Shi Xu Patentee before: Zhuang Renping |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050622 Termination date: 20161208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |