CN205050682U - Cold type solenoid in double -shielded equipotential - Google Patents
Cold type solenoid in double -shielded equipotential Download PDFInfo
- Publication number
- CN205050682U CN205050682U CN201520751060.7U CN201520751060U CN205050682U CN 205050682 U CN205050682 U CN 205050682U CN 201520751060 U CN201520751060 U CN 201520751060U CN 205050682 U CN205050682 U CN 205050682U
- Authority
- CN
- China
- Prior art keywords
- equipotential
- shielding layer
- semiconductive shielding
- insulator
- layer
- 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
- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a cold type solenoid in double -shielded equipotential. Aim at providing that the transient voltage height is hanged down, is born to partial discharge volume, overload capacity is strong, small, longe -lived, the reliable cold type solenoid in double -shielded equipotential of operation. A serial communication port, the structure of the real -time online monitoring device for temperature and humidity of the outdoor terminal box of the transformer station is characterized in that, pipe form electromagnetism wire from inside to outside in proper order, the conductor semiconductive shielding layer, the insulator layer, the insulator semiconductive shielding layer, conductor semiconductive shielding layer wherein, insulator layer and this three -layer of insulator semiconductive shielding layer are crowded and cladding each other through XPLE crosslinked polyethylene altogether, be equipped with the equipotential device in the whole outside center of root electromagnetism wire, the semiconductive shielding layer is connected on the equipotential device and will insulate, it plays potential difference and uniform electric field's the effect on the reduced insulation layer, make solenoid partial discharge voltage further improve, also equipotential connection provides the position for the valve reactor iron core.
Description
Technical field
The utility model relates to electric equipment, especially relates to the double shield equipotential inner-cooling type electromagnetic coil manufacturing valve reactor special-purpose member.
Background technology
Valve reactor be in high voltage direct current transmission converter valve device for the protection of critical component; its objective is as semiconductor device thyristor is in switching process, to producing higher current-rising-rate di/dt in electric loop, voltage build-up rate du/dt plays restriction.Thus provide a kind of reliable and guard block efficiently for the change of current of thyristor runs.As everyone knows, valve reactor is one of critical piece of converter valve, and valve reactor itself must have the overload capacity that transient state bears high-tension ability and big current.The valve reactor of current design exists that partial discharge quantity is large, inner-core current potential has the problems such as suspension, operating temperature is high, insulation life is short.
Utility model content
The purpose of this utility model there is provided a kind of partial discharge quantity low, bear that transient voltage is high, overload capacity is strong, the double shield equipotential inner-cooling type electromagnetic coil that volume is little, the life-span is long, reliable.
In order to reach above-mentioned requirements, the utility model is realized by following scheme: it is characterized in that, its structure is, circular tube shaped electromagnetic wire from inside to outside successively, conductor semiconductive shielding layer, insulator layer, insulator semiconductive shielding layer, wherein conductor semiconductive shielding layer, insulator layer and insulator semiconductive shielding layer these three layers mutually coated through XPLE crosslinked polyethylene co-extrusion, equipotential device is provided with in the center of whole electromagnetic wire outside, and insulation semiconductive shielding layer is connected on equipotential device, it plays a kind of effect reducing potential difference on insulating barrier and uniform electric field, solenoid partial discharge voltage is improved further, also for valve reactor iron core provides equipotential link position.
Two ports of described circular tube shaped electromagnetic wire are welded with electroded interface tube, and the inner needs according to running access liquid circulation from outside, realize the object reducing solenoid temperature.
According to the double shield equipotential inner-cooling type electromagnetic coil that such scheme manufactures, double shield equipotential device can limit the uneven and phenomenon that causes partial discharge quantity large of the field intensity caused by high voltage that solenoid two ends produce, and the iron core current potential solved in valve reactor exists the phenomenon suspended.The circular tube shaped electromagnetic wire of solenoid can also pass through circulating cooling liquid, is taken out of by the heat that solenoid produces down in working order by cooling fluid, limits the heat ageing problem of solenoid temperature rising to the crosslinked polyetylene insulated generation of XPLE.Therefore, this double shield equipotential inner-cooling type electromagnetic coil have partial discharge quantity low, bear that transient voltage is high, overload capacity is strong, the features such as volume is little, the life-span is long, reliable, the stability of General Promotion solenoid insulation, extend the useful life of solenoid, achieving valve reactor runs safer, more reliably, volume is less, insulation life is longer technical requirement.
Accompanying drawing explanation
Fig. 1 is the front view of double shield equipotential inner-cooling type electromagnetic coil;
Fig. 2 is the A-A profile of Fig. 1.
In figure: 1, circular tube shaped electromagnetic wire; 2, conductor semiconductive shielding layer; 3, insulator layer; 4, insulator semiconductive shielding layer; 5, equipotential device; 6, bolt connecting device; 7, electroded interface tube.
Embodiment
Below by accompanying drawing, also the utility model will be further described in conjunction with the embodiments.
Fig. 1, Fig. 2 are the structural representations of double shield equipotential inner-cooling type electromagnetic coil.As can be seen from the figure, its structure is circular tube shaped electromagnetic wire 1 from inside to outside successively, conductor semiconductive shielding layer 2, insulator layer 3, insulator semiconductive shielding layer 4, wherein conductor semiconductive shielding layer 2, insulator layer 3 and insulator semiconductive shielding layer 4 these three layers mutually coated through XPLE crosslinked polyethylene co-extrusion, equipotential device 5 is provided with in the center of whole circular tube shaped electromagnetic wire 1 outside, and with bolt connecting device 6, insulation semiconductive shielding layer 4 is connected on equipotential device 5, it plays a kind of effect reducing potential difference on insulating barrier 3 and uniform electric field, solenoid partial discharge voltage is improved further, also for valve reactor iron core provides equipotential link position.Two ports of described circular tube shaped electromagnetic wire 1 are welded with electroded interface tube 7, and the inner needs according to running access liquid circulation from outside, realize the object reducing solenoid temperature.
Claims (2)
1. double shield equipotential inner-cooling type electromagnetic coil, it is characterized in that, its structure is, circular tube shaped electromagnetic wire from inside to outside successively, conductor semiconductive shielding layer, insulator layer, insulator semiconductive shielding layer, wherein conductor semiconductive shielding layer, insulator layer and insulator semiconductive shielding layer these three layers mutually coated through XPLE crosslinked polyethylene co-extrusion, equipotential device is provided with in the center of whole electromagnetic wire outside, and insulation semiconductive shielding layer is connected on equipotential device, it plays a kind of effect reducing potential difference on insulating barrier and uniform electric field, solenoid partial discharge voltage is improved further, also for valve reactor iron core provides equipotential link position.
2. double shield equipotential inner-cooling type electromagnetic coil according to claim 1, it is characterized in that two ports of described circular tube shaped electromagnetic wire are welded with electroded interface tube, the inner needs according to running access liquid circulation from outside, realize the object reducing solenoid temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520751060.7U CN205050682U (en) | 2015-09-26 | 2015-09-26 | Cold type solenoid in double -shielded equipotential |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520751060.7U CN205050682U (en) | 2015-09-26 | 2015-09-26 | Cold type solenoid in double -shielded equipotential |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205050682U true CN205050682U (en) | 2016-02-24 |
Family
ID=55344234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520751060.7U Active CN205050682U (en) | 2015-09-26 | 2015-09-26 | Cold type solenoid in double -shielded equipotential |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205050682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113555193A (en) * | 2020-04-26 | 2021-10-26 | 南京南瑞继保电气有限公司 | Electric reactor |
-
2015
- 2015-09-26 CN CN201520751060.7U patent/CN205050682U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113555193A (en) * | 2020-04-26 | 2021-10-26 | 南京南瑞继保电气有限公司 | Electric reactor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204680454U (en) | A kind of heat radiation flame retardant type electrical cable | |
| CN205050682U (en) | Cold type solenoid in double -shielded equipotential | |
| CN202487259U (en) | Water-cooled cable in intermediate frequency heavy current | |
| CN204332617U (en) | A kind of 3-D triangle open mouth coiling dry-type transformer unshakable in one's determination | |
| CN103050234A (en) | Dry transformer | |
| CN205724749U (en) | The wall bushing that a kind of dirt exclusion capabilities is strong | |
| CN102237191B (en) | Sulfur hexafluoride (SF6) gas insulated traction transformer in auto-transformer (AT) power supply mode | |
| CN202996532U (en) | Novel large-current sleeve for transformer | |
| CN204155732U (en) | A kind of iron-core reactor | |
| CN104715896A (en) | Novel epoxy-bucket iron core reactor adopting heat tube heat dissipation | |
| CN202513029U (en) | Inversion type heavy current multiple-winding oil-immersed current transformer | |
| CN106531421B (en) | A kind of net side accesses 750kV converter power transformers | |
| CN105846374A (en) | Wall bushing with high dustproof capability | |
| CN204360870U (en) | A kind of Novel reactor | |
| CN102610372A (en) | High-capacity reactor composed of multiple circles of mutually insulated copper sheets and manufacture method of high-capacity reactor | |
| CN205881654U (en) | Oil -immersed transformer's installation of novel winding and cooling structure | |
| CN102938305B (en) | Super extra-high-voltage alternating current transformer outgoing line device | |
| CN203931758U (en) | A kind of oil-filled transformer laminar winding oil duct stay curtain | |
| CN207731814U (en) | Small-sized punching aluminium electrolutic capacitor | |
| CN204680508U (en) | A kind of epoxy bucket iron-core reactor of new heat pipe heat radiation | |
| CN211181744U (en) | Liquid cooling cable | |
| CN205984583U (en) | High -power transformer | |
| CN205583669U (en) | High tension cable metallic sheath circulation current limiting device | |
| CN203351337U (en) | Labyrinth oil circulation exchanging structure of direct current casing pipe inflated with insulating gas | |
| CN205377221U (en) | Assembled cable transfer box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |