CN205319818U - Corona unit is prevented to high height above sea level of 600MW grade turbo generator - Google Patents
Corona unit is prevented to high height above sea level of 600MW grade turbo generator Download PDFInfo
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- CN205319818U CN205319818U CN201620021741.2U CN201620021741U CN205319818U CN 205319818 U CN205319818 U CN 205319818U CN 201620021741 U CN201620021741 U CN 201620021741U CN 205319818 U CN205319818 U CN 205319818U
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- layer
- halo
- halo layer
- corona
- bar
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Abstract
(B, ) the utility model relates to a (B, ) corona unit is prevented to the high height above sea level of (b) 600MW (b) (b) grade turbo generator. At present the generator prevents that corona unit mainly relies on traditional insulating layer structure, in the high -power, prevents that dizzy effect is relatively poor under the environment of high height above sea level. The utility model discloses a constitution includes: the line stick, line stick including line stick lead wire (b) (b) 1 (b) (b), line stick lead wire surface covering have low resistance anti -halo layer (b) (b) 6 (b) (b), terminal cover of low resistance anti -halo layer hinder anti -halo layer (b) (b) 7 (b) (b) in having, it has high resistant anti -halo layer (b) (b) 8 (b) (b) to hinder terminal cover of anti -halo layer in, the low resistance anti -halo layer hinder in the anti -halo layer high resistant anti -halo layer surface covering have protective insulation layer (b) (b) 2 (b) (b), the winding of protective insulation layer closed -up surface have high stop band (b) (b) 4 (b) (b), the line stick install in stator winding groove (b) (b) 5 (b) (b), line stick with the stator winding groove closely laminate. The utility model is used for (B, ) corona unit is prevented to the high height above sea level of (b) 600MW (b) (b) grade turbo generator. (B, )
Description
Technical field:
This utility model relates to a kind of 600MW grade steam turbine generator High aititude corona-proofing device.
Background technology:
Now widely used electromotor corona-proofing device relies primarily on traditional insulation layer structure, and high-power, under the environment of High aititude, anti-corona effect is poor.
Utility model content:
The purpose of this utility model is to provide a kind of 600MW grade steam turbine generator High aititude corona-proofing device.
Above-mentioned purpose is realized by following technical scheme:
A kind of 600MW grade steam turbine generator High aititude corona-proofing device, its composition includes: bar, described bar includes bar lead-in wire, described bar wire surface is coated with low-resistance corona-prevention layer, described low-resistance corona-prevention layer end is coated with middle resistance anti-halo layer, described middle resistance anti-halo layer end is coated with high resistant anti-halo layer, described low-resistance corona-prevention layer, described middle resistance anti-halo layer, described high resistant anti-halo layer surface is coated with protection insulating barrier, described protection surface of insulating layer compact winding has high stop band, described bar is arranged in stator winding groove, described bar and described stator winding groove fit tightly.
Described 600MW grade steam turbine generator High aititude corona-proofing device, described high stop band includes semiconductor fiber cloth, described semiconductor fiber cloth inner surface scribbles silicone rubber, described stator winding groove internal upper part has slot wedge, described low-resistance corona-prevention layer, described middle resistance anti-halo layer, described high resistant anti-halo layer, described protection insulating barrier, described high stop band and bar lead terminal leave space, between described bar, high strength laminate is installed, described high strength laminate surface scribbles semiconductor layer, described high stop band, described protection insulating barrier, described stator winding rooved face is coated with high resistant paint respectively.
The beneficial effects of the utility model:
1. this utility model is by adjusting on the basis that conventional electric generators anti-halo layer is arranged, additionally arranging high stop band and high resistant paint, be effectively improved the anti-corona effect of generator stator bar, it is possible to meet the greater power electromotor work requirements at more High aititude.
Silicone rubber is spread upon the mode carrying out again on semiconductor fiber cloth folding by the high stop band employing used and makes by this utility model, and insulating properties are good, makes simple simultaneously, and it is convenient to install, it is possible to suitable in various types of electric generator structures.
This utility model possesses good aging resistance characteristic, and each insulating barrier of employing is unified cloth and postponed and be uniformly carried out immobilization, is effectively improved the ageing resistace of anti dizzy structure.
Accompanying drawing illustrates:
Accompanying drawing 1 is mounting structure schematic diagram of the present utility model.
Accompanying drawing 2 is cross section structure schematic diagram of the present utility model.
Accompanying drawing 3 is high stop band structural representation of the present utility model.
Detailed description of the invention:
Embodiment 1:
A kind of 600MW grade steam turbine generator High aititude corona-proofing device, its composition includes: bar, described bar includes bar lead-in wire 1, described bar wire surface is coated with low-resistance corona-prevention layer 6, described low-resistance corona-prevention layer end is coated with middle resistance anti-halo layer 7, described middle resistance anti-halo layer end is coated with high resistant anti-halo layer 8, described low-resistance corona-prevention layer, described middle resistance anti-halo layer, described high resistant anti-halo layer surface is coated with protection insulating barrier 2, the outer compact winding of described protection insulating barrier has high stop band 4, described bar lead-in wire is arranged in stator winding groove 5, described bar and described stator winding groove fit tightly.
Embodiment 2:
600MW grade steam turbine generator High aititude corona-proofing device according to embodiment 1, described high stop band includes semiconductor fiber cloth 9, described semiconductor fiber cloth inner surface scribbles silicone rubber 10, described stator winding groove internal upper part has slot wedge, described low-resistance corona-prevention layer, described middle resistance anti-halo layer, described high resistant anti-halo layer, described protection insulating barrier, described high stop band and bar lead terminal leave space, high strength laminate 3 is installed between described bar, described high strength laminate surface scribbles semiconductor layer, described high stop band, described protection insulating barrier, described stator winding rooved face is coated with high resistant paint respectively.
Claims (2)
1. a 600MW grade steam turbine generator High aititude corona-proofing device, its composition includes: bar, it is characterized in that: described bar includes bar lead-in wire, described bar wire surface is coated with low-resistance corona-prevention layer, described low-resistance corona-prevention layer end is coated with middle resistance anti-halo layer, described middle resistance anti-halo layer end is coated with high resistant anti-halo layer, described low-resistance corona-prevention layer, described middle resistance anti-halo layer, described high resistant anti-halo layer surface is coated with protection insulating barrier, described protection surface of insulating layer compact winding has high stop band, described bar is arranged in stator winding groove, described bar and described stator winding groove fit tightly.
2. 600MW grade steam turbine generator High aititude corona-proofing device according to claim 1, it is characterized in that: described high stop band includes semiconductor fiber cloth, described semiconductor fiber cloth inner surface scribbles silicone rubber, described stator winding groove internal upper part has slot wedge, described low-resistance corona-prevention layer, described middle resistance anti-halo layer, described high resistant anti-halo layer, described protection insulating barrier, described high stop band and bar lead terminal leave space, between described bar, high strength laminate is installed, described high strength laminate surface scribbles semiconductor layer, described high stop band, described protection insulating barrier, described stator winding rooved face is coated with high resistant paint respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620021741.2U CN205319818U (en) | 2016-01-12 | 2016-01-12 | Corona unit is prevented to high height above sea level of 600MW grade turbo generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620021741.2U CN205319818U (en) | 2016-01-12 | 2016-01-12 | Corona unit is prevented to high height above sea level of 600MW grade turbo generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205319818U true CN205319818U (en) | 2016-06-15 |
Family
ID=56202904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620021741.2U Expired - Fee Related CN205319818U (en) | 2016-01-12 | 2016-01-12 | Corona unit is prevented to high height above sea level of 600MW grade turbo generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205319818U (en) |
-
2016
- 2016-01-12 CN CN201620021741.2U patent/CN205319818U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20190112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |