CN206225178U - A kind of UHV valve side lead system for partition wall insulation system - Google Patents
A kind of UHV valve side lead system for partition wall insulation system Download PDFInfo
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- CN206225178U CN206225178U CN201621305510.0U CN201621305510U CN206225178U CN 206225178 U CN206225178 U CN 206225178U CN 201621305510 U CN201621305510 U CN 201621305510U CN 206225178 U CN206225178 U CN 206225178U
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- insulation system
- paper web
- voltage equalizing
- equalizing ball
- section insulation
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Abstract
The utility model is related to a kind of UHV valve side lead system for partition wall insulation system, belongs to transformer process manufacturing technology field.Technical scheme is：Upper section insulation system（1）With lower section insulation system（2）Between linked together by connect-disconnect structure；Upper section insulation system（1）With lower section insulation system（2）Multilayer paper web segmentation voltage equalizing ball（3）With a liter dais wall（4）Between oil clearance；In voltage equalizing ball（3）Upper and lower ends portion be arranged respectively to type square ring（5）.The utility model beneficial effect is：The valve side lead system for partition wall insulation system of most harsh operating mode is born in becoming in extra-high voltage converter, using upper and lower section type structure, multilayer paper web stay structure segmentation oil clearance, and shaping square ring is set in upper and lower end parts, optimization electric field, has broken the monopolization of offshore company, and ensure that the change of current becomes safe operation.
Description
Technical field
The utility model is related to a kind of UHV valve side lead system for partition wall insulation system, belongs to transformation
Device process manufacturing technology field.
Background technology
In recent years, domestic HVDC transmission system development is swift and violent.Used as the visual plant of DC transmission system, the change of current becomes
The security of depressor determines the reliability service of whole system, and the system for partition wall of valve side lead is the most important portion of converter power transformer
One of part.From for manufacturing and designing above, the insulation system that extra-high voltage converter becomes is complicated more than common transformer.In change of current transformation
In device, the operating mode that the outlet of UHV Valve side and valve side system for partition wall bear is the most harsh.Draw the valve side of UHV
Line system for partition wall is subjected to alternating voltage, DC voltage and polarity inversion voltage；Especially in UHV,
These voltage class are very high.Meanwhile, the distribution character of alternating-current field, DC fields and polarity inversion electric field is different：Exchange
Field is related to the dielectric constant of material, and main weak spot is in transformer oil；DC fields are related to the electrical conductivity of material, field intensity collection
In in insulating board；And polarity inversion is a transient process, the dielectric constant and electrical conductivity with material are related, and respectively
Part field intensity is continually changing with the carrying out of polarity inversion, and this has resulted in the complexity of valve side lead system for partition wall insulation system.
Utility model content
The utility model purpose is to provide a kind of UHV valve side lead system for partition wall insulation system, can
To bear extra-high voltage converter change ± 800kV valve top-cross stream applied voltages, direct current applied voltage and polarity inversion voltage simultaneously, and have
The characteristics of for installing simple, solve above mentioned problem present in background technology.
The technical solution of the utility model is：
A kind of UHV valve side lead system for partition wall insulation system, comprising upper section insulation system, lower section
Insulation system, voltage equalizing ball, liter dais wall, shaping square ring, lead balance pipe, wrinkle paper insulation, shaping paper web and paper web structure, on
Section insulation system is multi-ply paper barrel structure with lower section insulation system, is arranged between voltage equalizing ball and liter dais wall；Upper section insulation
Linked together by connect-disconnect structure between structure and lower section insulation system, it is convenient to install；Upper section insulation system and lower section insulation
Oil clearance between the multilayer paper web segmentation voltage equalizing ball and liter dais wall of structure；Type angle is arranged respectively in the upper and lower ends portion of voltage equalizing ball
Ring, optimizes Analysis of End Electric Field, it is ensured that the insulation margin of the valve side insulation system under alternating-current field；
Adjustment voltage equalizing ball upper and lower ends portion is molded the location and shape of square ring, position and shape with voltage equalizing ball upper and lower ends portion
Shape matches, and valve side insulation system is met the design requirement under DC fields；
Lead balance pipe outer cladding thickness wrinkle paper insulation, is gradually changed in the end of lead balance pipe by Electric Field Distribution intensity
Become wrinkle paper insulation shape, be allowed to match with Electric Field Distribution intensity；The burying forming paper web in crimped paper, is simple to manufacture, knot
Structure reliability；
Paper web structure is set outside lead balance pipe, further oil clearance is split, prevent larger oil clearance；Wrinkle
Square ring is molded outside shaping paper web in line paper insulation and external paper web structure, voltage equalizing ball, using mutual interspersed arrangement；Mesh
Be increase creep distance, reduce flashover occur possibility.
The utility model beneficial effect is：The valve side lead dividing plate system of most harsh operating mode is born in becoming in extra-high voltage converter
System insulation system, using upper and lower section type structure, multilayer paper web stay structure segmentation oil clearance, and sets forming angle in upper and lower end parts
Ring, optimizes electric field, is met the UHV Valve side lead dividing plate of design communication, DC fields and polarity inversion a design requirement
System, has broken the monopolization of offshore company, and ensure that the change of current becomes safe operation.
Brief description of the drawings
Fig. 1 is the utility model embodiment valve side lead system for partition wall insulation system schematic diagram；
Fig. 2 is that the utility model embodiment paper web mutually interts schematic diagram；
Fig. 3 is the wrinkle paper insulation-forming paper barrel structure schematic diagram of the utility model embodiment wire ends；
In figure：Upper section insulation system 1, lower section insulation system 2, voltage equalizing ball 3, liter dais wall 4, shaping square ring 5, lead are pressed
Pipe 6, wrinkle paper insulation 7, shaping paper web 8, paper web structure 9, connect-disconnect structure 10.
Specific embodiment
Below in conjunction with accompanying drawing, by embodiment, the utility model is described in further detail.
A kind of UHV valve side lead system for partition wall insulation system, comprising upper section insulation system 1, lower section
Insulation system 2, voltage equalizing ball 3, liter dais wall 4, shaping square ring 5, lead balance pipe 6, wrinkle paper insulation 7, shaping paper web 8 and paper web
Structure 9, upper section insulation system 1 is multi-ply paper barrel structure with lower section insulation system 2, be arranged on voltage equalizing ball 3 with rise dais wall 4 it
Between；Linked together by connect-disconnect structure 10 between upper section insulation system 1 and lower section insulation system 2, it is convenient to install；Upper section insulation
Oil clearance between structure 1 and the multilayer paper web segmentation voltage equalizing ball 3 and liter dais wall 4 of lower section insulation system 2；In the upper and lower of voltage equalizing ball 3
Both ends are arranged respectively to type square ring 5, optimize Analysis of End Electric Field, it is ensured that the insulation margin of the valve side insulation system under alternating-current field；
Adjustment voltage equalizing ball 3 upper and lower ends portion is molded the location and shape of square ring 5, the position with the upper and lower ends portion of voltage equalizing ball 3
Match with shape, valve side insulation system is met the design requirement under DC fields；
The outer cladding of lead balance pipe 6 thickness wrinkle paper insulation 7, the end of lead balance pipe 6 by Electric Field Distribution intensity by
Gradually change the shape of wrinkle paper insulation 7, be allowed to match with Electric Field Distribution intensity；The burying forming paper web 8 in crimped paper, manufacture letter
It is single, structure reliability；
In the outer setting paper web structure 9 of lead balance pipe 6, further oil clearance is split, prevent larger oil clearance；
Shaping paper web 8 and external paper web structure 9, the outer shaping square ring 5 of voltage equalizing ball 3 in wrinkle paper insulation 7, using mutually interspersed arrangement
Mode；Purpose is to increase creep distance, reduces the possibility that flashover occurs.
In embodiment, quite harsh electric field operating mode problem is subjected to for extra-high voltage converter change ± 800kV valves side, carried
A kind of valve side lead system for partition wall insulation system that can meet design requirement, upper section insulation system 1 and lower section insulation system 2 are supplied
Between using plug-in multi-ply paper barrel structure, upper section insulation system 1 and it is lower section insulation system 2 multilayer paper web segmentation voltage equalizing ball
Oil clearance between 3 and liter dais wall 4；The thickness of multilayer paper web is 3-6mm.
Balance pipe uses wrinkle paper insulation, and end burying forming paper web forms wrinkle paper insulation-shaping paper web transition type
Insulation system, arrangement is mutually interted with voltage equalizing ball bottom shaping square ring, and subdivision oil clearance increases creep distance simultaneously.
Claims (2)
1. a kind of UHV valve side lead system for partition wall insulation system, it is characterised in that comprising upper section insulation knot
Structure（1）, lower section insulation system（2）, voltage equalizing ball（3）, rise dais wall（4）, shaping square ring（5）, lead balance pipe（6）, crimped paper
Insulation（7）, shaping paper web（8）With paper web structure（9）, upper section insulation system（1）With lower section insulation system（2）It is multilayer paper web
Structure, is arranged on voltage equalizing ball（3）With a liter dais wall（4）Between；Upper section insulation system（1）With lower section insulation system（2）Between lead to
Cross connect-disconnect structure（10）Link together；Upper section insulation system（1）With lower section insulation system（2）Multilayer paper web segmentation voltage equalizing ball
（3）With a liter dais wall（4）Between oil clearance；In voltage equalizing ball（3）Upper and lower ends portion be arranged respectively to type square ring（5）；
Adjustment voltage equalizing ball（3）Upper and lower ends portion is molded square ring（5）Location and shape, with voltage equalizing ball（3）The position in upper and lower ends portion
Put and match with shape；
Lead balance pipe（6）Outer cladding thickness wrinkle paper insulation（7）, in lead balance pipe（6）End press Electric Field Distribution intensity
Gradually change wrinkle paper insulation（7）Shape, is allowed to match with Electric Field Distribution intensity；The burying forming paper web in crimped paper（8）；
In lead balance pipe（6）Outer setting paper web structure（9）, further oil clearance is split；Wrinkle paper insulation（7）In into
Type paper web（8）With external paper web structure（9）, voltage equalizing ball（3）Outer shaping square ring（5）, using mutual interspersed arrangement.
2. a kind of UHV according to claim 1 valve side lead system for partition wall insulation system, it is special
Levy and be：Upper section insulation system（1）With lower section insulation system（2）Multilayer paper web segmentation voltage equalizing ball（3）With a liter dais wall（4）It
Between oil clearance；The thickness of multilayer paper web is 3-6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621305510.0U CN206225178U (en) | 2016-12-01 | 2016-12-01 | A kind of UHV valve side lead system for partition wall insulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621305510.0U CN206225178U (en) | 2016-12-01 | 2016-12-01 | A kind of UHV valve side lead system for partition wall insulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206225178U true CN206225178U (en) | 2017-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621305510.0U Active CN206225178U (en) | 2016-12-01 | 2016-12-01 | A kind of UHV valve side lead system for partition wall insulation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653326A (en) * | 2016-12-01 | 2017-05-10 | 保定天威保变电气股份有限公司 | Valve side lead baffle system insulation structure used for extra-high voltage converter transformer |
-
2016
- 2016-12-01 CN CN201621305510.0U patent/CN206225178U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653326A (en) * | 2016-12-01 | 2017-05-10 | 保定天威保变电气股份有限公司 | Valve side lead baffle system insulation structure used for extra-high voltage converter transformer |
| CN106653326B (en) * | 2016-12-01 | 2018-08-31 | 保定天威保变电气股份有限公司 | A kind of UHV converter transformer valve side lead system for partition wall insulation system |
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