CN203589455U - Structure of 4km altitude 220kV power distribution device interval width with wave trappers - Google Patents
Structure of 4km altitude 220kV power distribution device interval width with wave trappers Download PDFInfo
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- CN203589455U CN203589455U CN201320797916.5U CN201320797916U CN203589455U CN 203589455 U CN203589455 U CN 203589455U CN 201320797916 U CN201320797916 U CN 201320797916U CN 203589455 U CN203589455 U CN 203589455U
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- 239000000725 suspension Substances 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims description 2
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- 238000013461 design Methods 0.000 abstract description 2
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- 238000009413 insulation Methods 0.000 description 6
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Abstract
The utility model relates to the field of high altitude ultra-high voltage power transmission and transformation engineering, and especially relates to a structure of 4km altitude 220kV power distribution device interval width with wave trappers. For problems in the prior art, the utility model provides the structure of the 4km altitude 220kV power distribution device interval width with the wave trappers. By setting the distance between an A phase wave trapper, a B phase wave trapper, a C phase wave trapper and a framework diagonal column, the structure of the 220kV power distribution device interval width with the wave trappers in the altitude from 3km to 4km is determined. According to the utility model, by setting the distance between the A phase wave trapper, the B phase wave trapper, the C phase wave trapper and the framework diagonal column, the design is completed. The structure provided by the utility model can be used to determine the 220kV interval width with the wave trappers in the altitude from 3km to 4km.
Description
Technical field
The utility model relates to high height above sea level ehv power transmission engineering field, especially relates to a kind of structure of 4km height above sea level band trap 220kV cubicle width.
Background technology
The interval width of 220kV power distribution equipment, is determine 220kV power distribution equipment layout and take up an area one of key factor, is to build the content that 220kV transformer station, switchyard, booster stations etc. need primary study.The each interval of 220kV power distribution equipment is furnished with A phase, B phase, C phase three-phase equipment and outlet cross-line, each interval width is comprised of apart from sum following 4 sizes: (1) A phase electrified body and framework distance, (2) A phase electrified body and B phase electrified body distance, (3) B phase electrified body and C phase electrified body distance, (4) C phase electrified body and framework distance.
At height above sea level, be no more than the area of 1000m, 220kV interval width adopts universal design value to get 13m～14m, in China's project of transmitting and converting electricity, has had very ripe application.As shown in Figure 1,1km height above sea level band trap 220kV cubicle width structure check plot, has had very ripe application in China's project of transmitting and converting electricity.The rated withstand voltage level of its equipment outer insulation is as shown in table 1, and air gap is as shown in table 2:
The rated withstand voltage level of table 1 1km height above sea level 220kV equipment outer insulation
Table 2 1km height above sea level 220kV air gap value
But at height above sea level, exceed after 1km, due to air weaken after its insulation property reduce, need to revise external insulation level and the air gap of equipment, after height above sea level correction, corresponding interval width needs to strengthen.And for building at 3km to the transformer station of 4km high altitude localities, often not relevant research and determining of the interval width of 220kV power distribution equipment both at home and abroad at present.
Utility model content
Technical problem to be solved in the utility model is: for the problem of above-mentioned existence, provide a kind of structure of 220kV cubicle of 4km height above sea level band trap.By the distance between A phase trap, B phase trap, C phase trap, framework herringbone column is set, meet 3km determining to the 220kV cubicle structure of 4km height above sea level band trap.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of structure of 220kV cubicle of 4km height above sea level band trap comprises: the each outgoing line interval of 220kV power distribution equipment is furnished with A phase trap, B phase trap, C phase trap, described A phase trap, B phase trap, C phase trap are corresponding to be respectively suspended on structure crossbeam by V-type suspension insulator, A phase trap and left end framework herringbone column horizontal range are X, A phase trap and B phase trap horizontal range Y, B phase trap is Y with C phase trap horizontal range, C phase trap and right-hand member framework herringbone column horizontal range X; Described A phase trap, C phase trap ground distance are A1 value, and A phase trap and left end herringbone column beeline are A1 value, and C phase trap and right-hand member framework herringbone column beeline are A1 value; A phase trap is A2 value with the alternate value of B phase trap, and B phase trap is A2 value with the alternate value of C phase trap, described A1+X windage yaw+framework herringbone column radius+δ <X; A2+2X windage yaw+δ <Y; Wherein δ is margin value.
Described δ scope 0.2m is to 1m.
Described X windage yaw scope is that 0.5m is to 0.9m.
Described (1) A phase trap and framework herringbone column horizontal range X are 3.5m; (2) A phase trap is 4.5m with B phase trap horizontal range Y; (3) B phase trap is 4.5m with C phase trap horizontal range Y; (4) C phase trap and framework herringbone column horizontal range X are 3.5m, and interval width is 3.5+4.5+4.5+3.5=16m.
Described A phase trap, B phase trap, C phase trap are the traps of rated current 2500A, its profile size diameter 1.2m, and high 1.2m, trap windage yaw horizontal displacement in designing wind speed 30m/s strong wind situation is 0.7m; A phase trap and framework herringbone column beeline A1=2.2, framework radius is 0.4, δ=0.2,2.2++0.7+0.4+0.2=3.5; In like manner A2=2.5 in B phase trap and A phase trap, δ=0.2,2.5+2*0.7+0.2=4.1<4.5m.
From above-mentioned architectural feature of the present utility model, can find out, its advantage is:
1) according to A1+X
windage yaw+ framework herringbone column radius+δ <X; A2+2X
windage yaw+ δ <Y relation, carries out rationally, having directive significance to power distribution equipment frame.
2) with the 220kV interval width 13m of existing 1km height above sea level to compared with 14m, the utility model is determined the interval width of the high altitude localities band trap 220kV of 4km, through counting period width, get 16m, there is good economic and social benefit, the high height above sea level 220kV of follow-up 4km project of transmitting and converting electricity is had to important reference and reference.
Accompanying drawing explanation
The utility model will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is 1km height above sea level band trap 220kV cubicle structure check plot in prior art.
Fig. 2 is 4km height above sea level band trap 220kV cubicle structure check plot of the present utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
All parts in accompanying drawing 1,2 (framework herringbone column, truck transom, A phase trap, B phase trap, C phase trap) are all the wherein part parts of power distribution equipment.The size of the unit of mark not in figure, its unit is unified is mm.
Height above sea level exceedes after 1000m, due to air weaken after its insulation property reduce, need to revise external insulation level and the air gap of equipment.In the high altitude localities of 4000m, the external insulation level of the revised equipment of process and air gap and 330kV electric pressure are basically identical.The rated withstand voltage level of its equipment outer insulation is as shown in table 3, and air gap is as shown in table 4:
The rated withstand voltage level of the high height above sea level 220kV of table 3 4000m equipment outer insulation
The high height above sea level 220kV of table 4 4000m air gap value
Compared with the 220kV interval width 13m～14m of existing 1000m height above sea level, the utility model is determined the interval width of the high altitude localities band trap 220kV of 4000m, through counting period width, gets 16m, has good economic and social benefit.
Fig. 2 is the high height above sea level band of 4000m of the present utility model trap 220kV cubicle structure electrical distance check plot.
Embodiment mono-: the each interval of 220kV power distribution equipment is furnished with A phase, B phase, C phase three-phase suspension type trap, and each interval width is comprised of apart from sum following 4 sizes: (1) A phase trap and framework distance, get 3.5m; (2) A phase trap and B phase trap distance, get 4.5m; (3) B phase trap and C phase trap distance, get 4.5m; (4) C phase trap and framework distance, get 3.5m.Interval width is 3.5+4.5+4.5+3.5=16m.
The verification of framework width:
Rated current 2500A trap profile size is about diameter 1.2m, high 1.2m, and suspension type trap need be considered to wave the non-same period in designing wind speed 30m/s strong wind situation.Trap windage yaw horizontal displacement in designing wind speed 30m/s strong wind situation is 0.7m.
A phase trap, C phase trap and framework are apart from verification:
2.2 (A1 value)+0.7 (windage yaw displacement)+0.4 (framework radius)=3.3m ﹤ 3.5m, consider to meet the demands after certain nargin.
A phase trap and B phase trap are apart from verification:
2.5 (A2 value)+2 × 0.7 (windage yaw displacement)=3.9m ﹤ 4.5m, consider to meet the demands after certain nargin.
Disclosed all features in this specification, except mutually exclusive feature, all can combine by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing), unless narration especially all can be replaced by other equivalences or the alternative features with similar object.That is,, unless narration especially, each feature is an example in a series of equivalences or similar characteristics.
Claims (5)
1. the structure of a 4km height above sea level band trap 220kV cubicle width, it is characterized in that comprising: the each outgoing line interval of 220kV power distribution equipment is furnished with A phase trap, B phase trap, C phase trap, described A phase trap, B phase trap, C phase trap are corresponding to be respectively suspended on structure crossbeam by V-type suspension insulator, A phase trap and left end framework herringbone column horizontal range are X, A phase trap and B phase trap horizontal range Y, B phase trap is Y with C phase trap horizontal range, C phase trap and right-hand member framework herringbone column distance X; Described A phase trap, C phase trap ground distance are A1 value, and A phase trap and left end framework herringbone column beeline are A1 value, and C phase trap and right-hand member framework herringbone column beeline are A1 value; A phase trap is A2 value with the alternate value of B phase trap, and B phase trap is A2 value with the alternate value of C phase trap, described A1+X
windage yaw+ framework herringbone column radius+δ <X; A2+2 X
windage yaw+ δ <Y; Wherein δ is margin value.
2. the structure of 4km height above sea level band trap 220kV cubicle width according to claim 1, is characterized in that described δ scope 0.2m is to 1m.
3. the structure of 4km height above sea level band trap 220kV cubicle width according to claim 1, is characterized in that described X
windage yawscope is that 0.5m is to 0.9m.
4. according to the structure of the 4km height above sea level band trap 220kV cubicle width one of claims 1 to 3 Suo Shu, it is characterized in that described A phase trap and framework herringbone column horizontal range X are 3.5m; A phase trap is 4.5m with B phase trap horizontal range Y; B phase trap is 4.5m with C phase trap horizontal range Y; C phase trap and framework herringbone column horizontal range X are 3.5m, and interval width is 3.5+4.5+4.5+3.5=16m.
5. the structure of the 220kV cubicle of 4km height above sea level band trap according to claim 4, it is characterized in that described A phase trap, B phase trap, C phase trap are the traps of rated current 2500A, its profile size diameter 1.2m, high 1.2m, trap windage yaw horizontal displacement in designing wind speed 30m/s strong wind situation is 0.7m; A phase trap and framework herringbone column beeline A1=2.2, framework radius is 0.4, δ=0.2,2.2++0.7+0.4+0.2=3.5; In like manner A2=2.5 in B phase trap and A phase trap, δ=0.2,2.5+2*0.7+0.2=4.1<4.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797916.5U CN203589455U (en) | 2013-12-05 | 2013-12-05 | Structure of 4km altitude 220kV power distribution device interval width with wave trappers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797916.5U CN203589455U (en) | 2013-12-05 | 2013-12-05 | Structure of 4km altitude 220kV power distribution device interval width with wave trappers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203589455U true CN203589455U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320797916.5U Expired - Lifetime CN203589455U (en) | 2013-12-05 | 2013-12-05 | Structure of 4km altitude 220kV power distribution device interval width with wave trappers |
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| Country | Link |
|---|---|
| CN (1) | CN203589455U (en) |
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2013
- 2013-12-05 CN CN201320797916.5U patent/CN203589455U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA POWER ENGINEERING CONSULTING GROUP SOUTHWEST Free format text: FORMER NAME: SOUTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING GROUP CORPORATION |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 610021 Dongfeng Road, Chengdu, Sichuan, No. 18, No. Patentee after: Southwest Electric Power Design Institute CO., Ltd. of China Power Engineering Consulting Group Address before: 610021 Dongfeng Road, Chengdu, Sichuan, No. 18, No. Patentee before: SOUTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Corp. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
|
| CX01 | Expiry of patent term |