CN202905403U - Outgoing line device on network side of extra-high voltage converter transformer - Google Patents
Outgoing line device on network side of extra-high voltage converter transformer Download PDFInfo
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- CN202905403U CN202905403U CN 201220602071 CN201220602071U CN202905403U CN 202905403 U CN202905403 U CN 202905403U CN 201220602071 CN201220602071 CN 201220602071 CN 201220602071 U CN201220602071 U CN 201220602071U CN 202905403 U CN202905403 U CN 202905403U
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- net side
- ball
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- metallic shield
- outgoing line
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Abstract
The utility model discloses an outgoing line device on the network side of an extra-high voltage converter transformer. The outgoing line device comprises a network side voltage-sharing ball and network side voltage-sharing tubes which are arranged on two sides of the network side voltage-sharing ball respectively, wherein interfaces which are connected with the network side voltage-sharing tubes are formed in the middle of the network side voltage-sharing ball; a metal shielding ball is arranged inside the network side voltage-sharing ball; voltage-sharing tube connecting pieces are arranged inside the interfaces; metal shielding tubes are positioned inside the network side voltage-sharing tubes; inner insulating layers which are close to the metal shielding tubes are arranged outside the metal shielding tubes; a plurality of outer insulating layers are arranged outside the inner insulating layers in a layering mode; voltage-sharing tube oil ways are arranged among the adjacent outer insulating layers; an external structure of the metal shielding ball is basically the same as that of each metal shielding tube; and after the network side voltage-sharing tubes are connected with the network side voltage-sharing ball, the voltage-sharing tube oil ways are coincided with voltage-sharing ball oil ways. The outgoing line device is high in withstand voltage and is particularly suitable to be used on the network side of the extra-high voltage converter transformer.
Description
Technical field
The utility model relates to electric insulation spare field, particularly a kind of insulation outlet device of the grid side for superhigh pressure or UHV.
Background technology
The rated voltage of common EHV transformer is all at 350KV to 500KV, and the rated voltage of extra-high voltage transformer is all at 750KV with more than the 750KV.The outgoing line device of converter transformer is to be divided into valve side and two parts of net side, the outgoing line device of net side is the seal that connects converter valve and mains supply circuit, higher grade of voltage on line side, therefore, must guarantee that outgoing line device has good electrical insulation properties.The net side outgoing line device of existing EHV transformer still can't satisfy the requirement of withstand voltage of super UHV, therefore, need to make improvements, and improves its voltage withstand class.
Summary of the invention
The purpose of this utility model is can't satisfy for the existing super UHV net side outgoing line device described in the background technology problem of the requirement of withstand voltage of super UHV, and a kind of super UHV net side outgoing line device that can solve foregoing problems is provided.
The technical scheme that realizes the purpose of this utility model is as follows:
A kind of super UHV net side outgoing line device, it comprises net side voltage equalizing ball and is arranged at respectively the net side balance pipe of net side voltage equalizing ball both sides, net side voltage equalizing ball middle part is provided with the interface of connection network side balance pipe, inside at net side voltage equalizing ball is provided with the metallic shield ball, the top of metallic shield ball is provided with line outlet, the inboard of described interface is provided with the balance pipe connector, described net side balance pipe is inner to be the metallic shield pipe, the end of metallic shield pipe is incoming line, metallic shield pipe outside is close to the metallic shield pipe inner insulating layer is set, the inner insulating layer exterior laminate layers is provided with the multilayer external insulation layer, be provided with the balance pipe oil duct between the external insulation layer, the outside of described metallic shield ball is close to the metallic shield ball and is provided with internal insulating layer, the outer layering of internal insulating layer is provided with the multilayer external insulation, be provided with the voltage equalizing ball oil duct between the external insulation, net side balance pipe is with after net side voltage equalizing ball is connected, and balance pipe oil duct and voltage equalizing ball oil duct coincide mutually.
The interface of described net side voltage equalizing ball both sides is symmetrical arranged.
The interface of described net side voltage equalizing ball both sides is threeway.
In order to prevent that from there is wedge angle in interface, puncture, around the described interface, the opening part of metallic shield ball is provided with the bound edge with the insulating paper parcel.
In order to make net side balance pipe and net side voltage equalizing ball can be good at being assembled together, described connector comprises the clamp and the fixed head that is used for being fixedly connected with for chucking metallic shield pipe, the end of metallic shield pipe is provided with the connecting plate corresponding with fixed head, and the two is bolted.
For the ease of being connected of net side balance pipe and net side voltage equalizing ball, and the sealing after guaranteeing to connect, in the position that net side balance pipe is connected with described interface cylindrical stair-stepping interface being set, interface then is provided with corresponding with it interface interface.
In order to strengthen near the insulation the interface, in the outside of described net side balance pipe, and be provided with reinforced insulation layer near the position that interface is connected.
In order to prevent that from there is wedge angle in net side balance pipe porch, puncture, the end of described net side balance pipe is provided with flanging.
Super UHV net side outgoing line device of the present utility model, net side voltage equalizing ball and net side balance pipe are linked together by connector, the two inner oil duct is connected, the lead-in wire of drawing from the converter valve of converter transformer enters net side balance pipe from the end of net side balance pipe, then enter in the net side voltage equalizing ball by the interface between net side balance pipe and the net side voltage equalizing ball, draw from the appearance mouth of net side voltage equalizing ball top at last, be connected to the mains supply system.Strengthened all pressures withstand voltage properties of super extra-high-voltage alternating current transformer outgoing line device, withstand voltage reaching more than the 1000KV.
Description of drawings
Fig. 1 is the structural representation of super UHV net side outgoing line device of the present utility model;
Fig. 2 be among Fig. 1 A-A to cross-sectional schematic;
Among the figure, 1 is net side voltage equalizing ball, and 2 is net side balance pipe, and 3 are the metallic shield ball, 4 are the metallic shield pipe, and 5 is line outlet, and 6 is incoming line, 7 is interface, and 8 is inner insulating layer, and 9 is external insulation layer, 10 is internal insulating layer, and 11 is external insulation, and 12 is bound edge, 13 is flanging, and 14 is clamp, and 15 is fixed head, 16 is connecting plate, and 17 is reinforced insulation layer, and 18 is the oil duct stay.
Embodiment
Carry out detailed illustrating below in conjunction with accompanying drawing 1 and 2 pairs of embodiments of the present utility model of accompanying drawing:
Embodiment 1
A kind of super UHV net side outgoing line device, it comprises net side voltage equalizing ball 1 and is arranged at respectively the net side balance pipe 2 of net side voltage equalizing ball 1 both sides, net side voltage equalizing ball 1 middle part is provided with the interface 7 of connection network side balance pipe 2, inside at net side voltage equalizing ball 1 is provided with metallic shield ball 3, the top of metallic shield ball 3 is provided with line outlet 5, the inboard of described interface 7 is provided with the balance pipe connector, described net side balance pipe 2 inside are metallic shield pipe 4, the end of metallic shield pipe 4 is incoming line 6, metallic shield pipe 4 outsides are close to metallic shield pipe 4 inner insulating layer 8 are set, inner insulating layer 8 exterior laminate layers are provided with multilayer external insulation layer 9, be provided with the balance pipe oil duct between the external insulation layer 9, the outside of described metallic shield ball 3 is close to metallic shield ball 3 and is provided with internal insulating layer 10, internal insulating layer 10 outer layerings are provided with multilayer external insulation 11, be provided with the voltage equalizing ball oil duct between the external insulation 11, net side balance pipe 2 is with after net side voltage equalizing ball 1 is connected, and balance pipe oil duct and voltage equalizing ball oil duct coincide mutually.Between the outer layer insulation of net side voltage equalizing ball 1 and net side balance pipe 2 oil duct stay 18 is set, has formed described voltage equalizing ball oil duct and balance pipe oil duct between the oil duct stay 18.
In the such scheme, have wedge angle in order to prevent interface 7 places, puncture, around the described interface 7, the opening part of metallic shield ball 3 is provided with the bound edge 12 with the insulating paper parcel.
Further, have wedge angle in order to prevent net side balance pipe 2 porch, puncture, the end of described net side balance pipe 2 is provided with flanging 13.
On the basis of aforementioned schemes, in order to make net side balance pipe 2 and net side voltage equalizing ball 1 can be good at being assembled together, described connector comprises the clamp 14 and the fixed head 15 that is used for being fixedly connected with for chucking metallic shield pipe 4, the end of metallic shield pipe 4 is provided with the connecting plate 16 corresponding with fixed head 15, and the two is bolted.
Further, for the ease of being connected of net side balance pipe 2 and net side voltage equalizing ball 1, and the sealing after guaranteeing to connect, the position that is connected with described interface 7 at net side balance pipe 2 arranges cylindrical stair-stepping interface, and interface 7 places then are provided with corresponding with it interface 7 interfaces.
In order to strengthen near the insulation the interface 7, in the outside of described net side balance pipe 2, and be provided with reinforced insulation layer 17 near the position that interface 7 is connected.
On the basis of aforementioned schemes, in order to make easy-to-connect, the interface 7 of described net side voltage equalizing ball 1 both sides is symmetrical arranged; The interface 7 of described net side voltage equalizing ball 1 both sides is threeway.
Claims (8)
1. super UHV net side outgoing line device, it is characterized in that: it comprises net side voltage equalizing ball and is arranged at respectively the net side balance pipe of net side voltage equalizing ball both sides, net side voltage equalizing ball middle part is provided with the interface of connection network side balance pipe, inside at net side voltage equalizing ball is provided with the metallic shield ball, the top of metallic shield ball is provided with line outlet, the inboard of described interface is provided with the balance pipe connector, described net side balance pipe is inner to be the metallic shield pipe, the end of metallic shield pipe is incoming line, metallic shield pipe outside is close to the metallic shield pipe inner insulating layer is set, the inner insulating layer exterior laminate layers is provided with the multilayer external insulation layer, be provided with the balance pipe oil duct between the external insulation layer, the outside of described metallic shield ball is close to the metallic shield ball and is provided with internal insulating layer, the outer layering of internal insulating layer is provided with the multilayer external insulation, be provided with the voltage equalizing ball oil duct between the external insulation, net side balance pipe is with after net side voltage equalizing ball is connected, and balance pipe oil duct and voltage equalizing ball oil duct coincide mutually.
2. super UHV net side outgoing line device according to claim 1, it is characterized in that: the interface of described net side voltage equalizing ball both sides is symmetrical arranged.
3. super UHV net side outgoing line device according to claim 1, it is characterized in that: the interface of described net side voltage equalizing ball both sides is threeway.
4. super UHV net side outgoing line device according to claim 1 is characterized in that: around the described interface, the opening part of metallic shield ball is provided with the bound edge with the insulating paper parcel.
5. super UHV net side outgoing line device according to claim 1, it is characterized in that: described connector comprises the clamp and the fixed head that is used for being fixedly connected with for chucking metallic shield pipe, the end of metallic shield pipe is provided with the connecting plate corresponding with fixed head, and the two is bolted.
6. super UHV net side outgoing line device according to claim 1 is characterized in that: in the position that net side balance pipe is connected with described interface cylindrical stair-stepping interface is set, interface then is provided with corresponding with it interface interface.
7. super UHV net side outgoing line device according to claim 1 is characterized in that: in the outside of described net side balance pipe, and be provided with reinforced insulation layer near the position that interface is connected.
8. super UHV net side outgoing line device according to claim 1, it is characterized in that: the end of described net side balance pipe is provided with flanging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220602071 CN202905403U (en) | 2012-11-15 | 2012-11-15 | Outgoing line device on network side of extra-high voltage converter transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220602071 CN202905403U (en) | 2012-11-15 | 2012-11-15 | Outgoing line device on network side of extra-high voltage converter transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202905403U true CN202905403U (en) | 2013-04-24 |
Family
ID=48126041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220602071 Expired - Lifetime CN202905403U (en) | 2012-11-15 | 2012-11-15 | Outgoing line device on network side of extra-high voltage converter transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202905403U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930961A (en) * | 2012-11-15 | 2013-02-13 | 常州市英中电气有限公司 | Grid side wire outlet device of super-high voltage converter transformer |
| CN103227039A (en) * | 2013-05-16 | 2013-07-31 | 山东电力设备有限公司 | Extra-high voltage transformer coil out device |
| CN104485210A (en) * | 2014-12-15 | 2015-04-01 | 中国西电电气股份有限公司 | Extra-high voltage converter transformer network side 750kV outgoing line matching structure |
| CN105469935A (en) * | 2016-01-14 | 2016-04-06 | 天威保变(合肥)变压器有限公司 | Protective insulating cylinder for voltage-equalizing ball in transformer bushing oil |
-
2012
- 2012-11-15 CN CN 201220602071 patent/CN202905403U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930961A (en) * | 2012-11-15 | 2013-02-13 | 常州市英中电气有限公司 | Grid side wire outlet device of super-high voltage converter transformer |
| CN103227039A (en) * | 2013-05-16 | 2013-07-31 | 山东电力设备有限公司 | Extra-high voltage transformer coil out device |
| CN104485210A (en) * | 2014-12-15 | 2015-04-01 | 中国西电电气股份有限公司 | Extra-high voltage converter transformer network side 750kV outgoing line matching structure |
| CN104485210B (en) * | 2014-12-15 | 2016-06-22 | 中国西电电气股份有限公司 | A kind of UHV net side 750kV lead-out wire supporting structure |
| CN105469935A (en) * | 2016-01-14 | 2016-04-06 | 天威保变(合肥)变压器有限公司 | Protective insulating cylinder for voltage-equalizing ball in transformer bushing oil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Jinzhong Inventor after: Cheng Huanchao Inventor after: Wang Ninghua Inventor after: Gao Haifeng Inventor after: Yu Yingzhong Inventor after: Han Xiancai Inventor after: Wang Xiaoning Inventor after: Wang Shaowu Inventor after: Sun Gang Inventor after: Sun Jiantao Inventor after: Zhang Shuqi Inventor after: Gao Fei Inventor before: Yu Yingzhong |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170420 Address after: 100089 Beijing city Haidian District Qinghe small Camp Road No. 15 Co-patentee after: CHANGZHOU YINGZHONG ELECTRICAL Co.,Ltd. Patentee after: China Electric Power Research Institute Address before: 213012 Jiangsu Province, the clock tower Development Zone, Changzhou Road, No. 385 Patentee before: CHANGZHOU YINGZHONG ELECTRICAL Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |