CN105261986A - Optimization structure of 220kV substation - Google Patents
Optimization structure of 220kV substation Download PDFInfo
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- CN105261986A CN105261986A CN201510448918.7A CN201510448918A CN105261986A CN 105261986 A CN105261986 A CN 105261986A CN 201510448918 A CN201510448918 A CN 201510448918A CN 105261986 A CN105261986 A CN 105261986A
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Abstract
The invention relates to an optimization structure of a 220kV substation. The optimization structure comprises 220kV power distribution devices, wherein the 220kV power distribution devices are respectively arranged at an east side and a west side of the substation; a main transformation and low-voltage side power distribution device is arranged between the two 220kV power distribution devices; the two 220kV power distribution devices and the main transformation and low-voltage side power distribution device are arranged in an H manner; the optimization structure also comprises outgoing line door-type frameworks arranged at the east side and the west side of the substation and arranged vertically; each outgoing line door-type framework comprises three cross beams; an A phase, a B phase and a C phase of a 220kV gas insulated substation (GIS) power distribution device are respectively arranged on the three cross beams; the A phase is arranged on the cross beam at the lowest layer, and an outgoing line is led upwards by a sleeve to be connected with a suspension insulator string of the cross beam at the lowest layer and then is directly led out; the B phase is arranged on the intermediate cross beam, and an outgoing line is led upwards by a sleeve, and is transitioned by a post insulator obliquely installed on the cross beam at the lowest layer and then is directly led out; and the C phase is arranged on the cross beam at the uppermost layer, and an outgoing line is led upwards by a sleeve, transitioned by a post insulator obliquely installed on the intermediate cross beam and then directly led out. With the adoption of the above optimization structure, the occupied land can be reduced.
Description
Technical field
The present invention relates to a kind of optimized arrangement structure of 220kV transformer station.
Background technology
Traditional 220kV transformer station arrangement is rectangular frame structure, but due to the needs of Practical Project, often cannot form rectangle or cannot carry out outlet layout.For certain transformer station, high south, the overall north of site landform is low, the discrepancy in elevation is larger, according to grinding arrangement, general layout is in the cloth postpone of location, site, transformer station's longitudinal size about 173 meters, the natural depth displacement in 500kV power distribution equipment region and 220kV power distribution equipment region can reach 30 meters, considerably increases the earthwork that transformer station's entirety is built.
And, arrangement routinely, 220kV line direction should be respectively eastwards, western east is to (approximately towards northeast, southwestern outlet, for ease of discussing, aft section all with eastwards, westwards direction consider), after transformer station's outlet to the south, need to arrange again angle tower turn to respectively east and west to.Because in 220kV station, outlet direction and actual track move towards not to be inconsistent, 8 times, east side needs, 12 wide-angle dual AC power turrets; 8 times, west side needs, 6 wide-angle dual AC power turrets, 6 low-angle dual AC power turrets; 220 kilovolts of outlets realize 16 and return back out line and turn in the small space of outer distance village, station, and engineering exploitativeness is poor, and therefore existing design cannot meet actual requirement.
In addition, it is 7.5m that conventional 220kVGIS cubicle goes out line width, and outlet hanging point adopts three-phase horizontal arrangement, can increase floor space like this, not meet the state basic policy of saving the area.
Summary of the invention
The object of this invention is to provide a kind of 220kV Substation Optimization arrangement saving occupation of land.
For achieving the above object, the present invention is by the following technical solutions:
A kind of 220kV Substation Optimization structure, it comprises the 220kV power distribution equipment being arranged in transformer station's thing both sides, is main transformer and low-pressure side controller switching equipment between two 220kV power distribution equipments; Arrange in " H " type between two 220kV power distribution equipments and main transformer and low-pressure side controller switching equipment three; And the 220kV power distribution equipment of described thing both sides respectively eastwards, outlet westwards 8 times;
It also comprises and is arranged in transformer station's thing both sides, vertically disposed outlet gate framework, each outlet gate framework comprises three crossbeams, A, B, C three-phase of 220kVGIS power distribution equipment is arranged on three crossbeams, A phase is arranged on orlop crossbeam, and outlet is drawn by sleeve pipe and directly drawn to lower floor's crossbeam suspension insulator; B phase is arranged in intermediate transverse girder, and outlet is drawn by sleeve pipe, through lower floor's crossbeam is directly drawn after the transition of angle mount post insulator; C phase is arranged in the superiors' crossbeam, and outlet is drawn by sleeve pipe, through intermediate transverse girder is directly drawn after the transition of angle mount post insulator.
The 220kV power distribution equipment of thing both sides is outdoor GIS device.
Between the 220kV power distribution equipment of thing both sides, be also provided with package room, package room and main transformer and low-pressure side power distribution equipment are arranged in " one " font.
Described outlet gate framework width 12.2m, three crossbeam high 10m, 15m, 20m respectively.
Described main transformer and low-pressure side controller switching equipment comprise dry type air core shunt reactor, dry type air core shunt reactor comprises the post insulator of A, B, C three-phase single-phase reactor and each phase, three-phase reactor is according to the arrangement in " one " font of C, A, B order, the single-phase reactor being arranged in centre position arranges two neutral terminals, is connected respectively with the single-phase reactor being arranged in both sides.
Described post insulator B-C post insulator bracket is glass fibre reinforced plastic support, and post insulator body is aluminium alloy body.
In each phase single-phase reactor, anti-magnetic-type stainless steel bolt is adopted to connect.
Adopt the present invention of such scheme, have the following advantages:
(1), adopt " H " shape arrangement ratio scheme of can grinding to decrease 16 base dual AC power turrets altogether, add 16 base single-column strain towers.After Integrated comparative, disregard the expense that transformer station's area compression is saved, only outlet prioritization scheme ratio can grind scheme cost saving about 6,400,000 yuan, and concrete condition is in table 1.
Table 1.
(2), adopt every two outgoing line intervals of " tri-layer beams formula " vertical wire outlet mode to share 1 Pin outlet framework, framework width 12.2m has saved a half-size scale compared with the 24m that can grind scheme, effect of optimization highly significant.In addition, after adopting " tri-layer beams formula " vertical wire outlet arrangement, 220kV power distribution equipment can be divided into two parts to be arranged in the both wings in main transformer and low-pressure side region respectively, two parts respectively comprise 8 and return back out line and 2 main transformer inlet wires.Wiring still adopts two-membrane permeator, and segmentation adopts overhead wire to connect, and main transformer inlet wire adopts GIL bus to connect.Through optimizing, 220kV power distribution equipment lateral dimension and main transformer and low-pressure side north-south size basically identical, main transformer, low-pressure side region combine region with 220kV power distribution equipment and 500kV power distribution equipment East and West direction size is basically identical, and whole transformer substation power distribution unit region perfect combination together.This programme floor space 0.34hm
2, comparatively can grind scheme floor space 0.56hm
2, save and take up an area 0.22hm
2, be roughly equal to 3.33 mu, scheme of comparatively can grinding takes up an area saving 39.29%, saves and takes up an area Be very effective.
(3) the present invention of technique scheme is adopted, tradition " yi word pattern " is arranged changing innovative " yi word pattern " into arranges, innovative " yi word pattern " arranges it is also to resist alternate lead support insulator bracket (4m is high) to change glass steel material into, the whole annex of post insulator body adopts aluminum alloy material, and equipment connection bolt adopts anti-magnetic-type stainless steel.Because post insulator and support etc. all adopt antimagnetic material, so just can not consider the impact of reactor leakage field on post insulator, between reactor and post insulator, only need meet alternate charged required distance.After optimizing, and anti-both sides alternate lead support insulator spacing is only 4.4m, and reactive power compensator equipment group distance is compressed to 7m by 10m.Adopt the postpone of innovative " yi word pattern " cloth, the reactor being arranged in centre position arranges two neutral terminals, is connected respectively with the reactor on both sides.Because reactor live part height is all higher than the requirement of 2.5m safe distance, do not need to arrange fence.Reactor banks arrangement after optimization, lateral dimension greatly reduces, and anti-both sides alternate lead support insulator spacing is only 4.4m, and longitudinal size and the overall longitudinal size of 35kV power distribution equipment match, and total plain cloth are put more reasonable, compact.Through arranging that to innovative " yi word pattern " installation of reactor, maintenance and maintenance issue are seeked advice to electrical install unit and production run unit, when arranging main transformer and 35kV power distribution equipment plane, Reactor banks is arranged in main stem roadside, lifting mode is adopted during installation, its operation, maintenance and maintenance condition are substantially suitable with conventional arrangement, can meet production requirement.
Accompanying drawing explanation
Fig. 1 is integral arrangement schematic diagram of the present invention.
Fig. 2 be transformer station of the present invention actual go out line chart.
Fig. 3 is 220kV circuit outgoing line interval sectional drawing.
Fig. 4 is 220kV circuit outgoing line interval profile.
Fig. 5 is the vertical view of the shunt reactor that in-line is arranged.
Fig. 6 is the end view of the shunt reactor that in-line is arranged.
Embodiment
As shown in Figure 1 and Figure 2, a kind of 220kV power distribution equipment H type arrangement, it comprise be arranged in transformer station's thing both sides 220kV power distribution equipment 1, two 220kV power distribution equipments 1 between be main transformer and low-pressure side controller switching equipment 2; Arrange in " H " type between two 220kV power distribution equipments and main transformer and low-pressure side controller switching equipment three; And the 220kV power distribution equipment of described thing both sides respectively eastwards, outlet westwards 8 times.
The 220kV power distribution equipment of thing both sides is outdoor GIS device.
Between the 220kV power distribution equipment of thing both sides, be also provided with package room 3, package room 3 is arranged in " one " font with main transformer and low-pressure side power distribution equipment 2.
As shown in Figure 3, Figure 4, a kind of 220kVGIS power distribution equipment tri-layer beams outlet structure, it comprises and is arranged in transformer station's thing both sides, vertically disposed outlet gate framework 4, each outlet gate framework comprises three crossbeams, A, B, C three-phase of 220kVGIS power distribution equipment is arranged on three crossbeams, A phase outlet 8 is arranged on orlop crossbeam 5, and outlet is drawn by sleeve pipe and directly drawn to lower floor's crossbeam suspension insulator; B phase outlet 9 is arranged in intermediate transverse girder 6, and outlet is drawn by sleeve pipe, through lower floor's crossbeam 5 is directly drawn after the transition of angle mount post insulator; C phase outlet 10 is arranged in the superiors' crossbeam 7, and outlet is drawn by sleeve pipe, through intermediate transverse girder 3 is directly drawn after the transition of angle mount post insulator.In addition, ground wire 11 is drawn from the most significant end of outlet gate framework 4.Form 8 thus and return back out line.
Outlet gate framework 4 width 12.2m, 2 interval 1 Pin, three crossbeam high 10m, 15m, 20m respectively.Phase line is 2.15 meters to framework centre distance, and different circuit is alternate is 5.2 meters.
In addition, leakage conductor is arranged vertically, and every 2 interval widths are optimized for 9.5m by 15m, and power distribution equipment district lateral dimension is optimized for 125m by grinding 220m.In conjunction with outlet method optimization, framework adopts " tri-layer beams " type gate steel structure, realizes hotline maintenance under various operating mode.
As shown in Figure 5, Figure 6, novel yi word pattern dry type air core shunt reactor arrangement, it comprises the post insulator 13 of A, B, C three-phase single-phase reactor 12 and each phase, three-phase reactor is according to the arrangement in " one " font of C, A, B order, the single-phase reactor being arranged in centre position arranges two neutral terminals, is connected respectively with the single-phase reactor being arranged in both sides.
Described post insulator 13 B-C post insulator bracket is glass fibre reinforced plastic support, and post insulator body is aluminium alloy body.
In each phase single-phase reactor 12, anti-magnetic-type stainless steel bolt is adopted to connect.
Because reactor live part height is all higher than the requirement of 2.5m safe distance, do not need to arrange fence.Reactor banks arrangement after optimization, lateral dimension greatly reduces, and anti-both sides alternate lead support insulator spacing is only 4.4m, and longitudinal size and the overall longitudinal size of 35kV power distribution equipment match, and total plain cloth are put more reasonable, compact, concrete as table 2.
Table 2.
As seen from the above table, in floor space, the hollow and anti-floor space of conventional dry is maximum, and oil is anti-with magnetic screen and anti-floor space is substantially suitable.Adopt conventional and anti-innovative " yi word pattern " is arranged time to save the area effect highly significant, compared with doing anti-isosceles triangle arrangement with routine, minimizing about 30% is taken up an area at interval, can reach and adopt oil anti-with magnetic screen and anti-close effect.
After optimizing, innovative " yi word pattern " arranges that the gap length of shunt reactor is substantially suitable with compact frame type capacitive device interval, is more conducive to the optimization of low-pressure side integral arrangement.
The dry type air core shunt reactor that innovative " yi word pattern " is arranged is that improvement forms on the basis that tradition " yi word pattern " is arranged, change alternate lead support insulator bracket into glass steel material, post insulator up and down whole annex adopts aluminum alloy material, and equipment connection bolt adopts anti-magnetic-type stainless steel.Because post insulator all adopts antimagnetic material, so just can not consider the impact of reactor leakage field on post insulator, only need meet alternate charged required distance between reactor and post insulator, reactive-load compensation equipment group distance is compressed to 7m by 10m.
Claims (7)
1. a 220kV Substation Optimization structure, is characterized in that: it comprises the 220kV power distribution equipment (1) being arranged in transformer station's thing both sides, is main transformer and low-pressure side controller switching equipment (2) between two 220kV power distribution equipments; Arrange in " H " type between two 220kV power distribution equipments and main transformer and low-pressure side controller switching equipment three; And the 220kV power distribution equipment of described thing both sides respectively eastwards, outlet westwards 8 times;
It also comprises and is arranged in transformer station's thing both sides, vertically disposed outlet gate framework (4), each outlet gate framework comprises three crossbeams, A, B, C three-phase of 220kVGIS power distribution equipment is arranged on three crossbeams, A phase is arranged on orlop crossbeam (5), and outlet is drawn by sleeve pipe and directly drawn to lower floor's crossbeam suspension insulator; B phase is arranged in intermediate transverse girder (6), and outlet is drawn by sleeve pipe, directly draws after the upper angle mount post insulator transition of lower floor's crossbeam (5); C phase is arranged in the superiors' crossbeam (7), and outlet is drawn by sleeve pipe, directly draws after the upper angle mount post insulator transition of intermediate transverse girder (6).
2. 220kV Substation Optimization structure according to claim 1, is characterized in that: the 220kV power distribution equipment (1) of thing both sides is outdoor GIS device.
3. 220kV Substation Optimization structure according to claim 1, is characterized in that: between the 220kV power distribution equipment of thing both sides, be also provided with package room (3), and package room and main transformer and low-pressure side power distribution equipment are arranged in " one " font.
4. 220kV Substation Optimization structure according to claim 1, is characterized in that: described outlet gate framework (4) width 12.2m, three crossbeam high 10m, 15m, 20m respectively.
5. 220kV Substation Optimization structure according to claim 1, it is characterized in that: described main transformer and low-pressure side controller switching equipment (2) comprise dry type air core shunt reactor, dry type air core shunt reactor comprises the post insulator of A, B, C three-phase single-phase reactor and each phase, three-phase reactor is according to the arrangement in " one " font of C, A, B order, the single-phase reactor being arranged in centre position arranges two neutral terminals, is connected respectively with the single-phase reactor being arranged in both sides.
6. 220kV Substation Optimization structure according to claim 5, is characterized in that: described post insulator B-C post insulator bracket is glass fibre reinforced plastic support, and post insulator body is aluminium alloy body.
7. 220kV Substation Optimization structure according to claim 5, is characterized in that: in each phase single-phase reactor, adopts anti-magnetic-type stainless steel bolt to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510448918.7A CN105261986A (en) | 2015-07-28 | 2015-07-28 | Optimization structure of 220kV substation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510448918.7A CN105261986A (en) | 2015-07-28 | 2015-07-28 | Optimization structure of 220kV substation |
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| CN105261986A true CN105261986A (en) | 2016-01-20 |
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| CN201510448918.7A Pending CN105261986A (en) | 2015-07-28 | 2015-07-28 | Optimization structure of 220kV substation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107317226A (en) * | 2017-07-31 | 2017-11-03 | 中国电力技术装备有限公司郑州电力设计院 | A kind of transformer station's general electric arrangement structure |
| CN107591684A (en) * | 2017-10-26 | 2018-01-16 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of 330kV transformer stations GIS vertical wire outlet structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000013938A (en) * | 1998-06-29 | 2000-01-14 | Nissin Electric Co Ltd | Distribution substation |
| CN201877836U (en) * | 2010-12-13 | 2011-06-22 | 河南省电力勘测设计院 | 35/66kV magnetic shielding parallel connection reactor |
| CN202197020U (en) * | 2011-06-30 | 2012-04-18 | 内蒙古电力勘测设计院 | 110 kV back-to-back arranged bidirectional outlet power distribution device |
| CN204088899U (en) * | 2014-08-29 | 2015-01-07 | 福建永福工程顾问有限公司 | The vertical wire outlet structure of Novel outdoor GIS power distribution equipment |
| CN204386221U (en) * | 2014-12-12 | 2015-06-10 | 中国能源建设集团安徽省电力设计院有限公司 | A kind of three layers of association type outlet framework for the outdoor GIS transformer station of 220kV |
-
2015
- 2015-07-28 CN CN201510448918.7A patent/CN105261986A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000013938A (en) * | 1998-06-29 | 2000-01-14 | Nissin Electric Co Ltd | Distribution substation |
| CN201877836U (en) * | 2010-12-13 | 2011-06-22 | 河南省电力勘测设计院 | 35/66kV magnetic shielding parallel connection reactor |
| CN202197020U (en) * | 2011-06-30 | 2012-04-18 | 内蒙古电力勘测设计院 | 110 kV back-to-back arranged bidirectional outlet power distribution device |
| CN204088899U (en) * | 2014-08-29 | 2015-01-07 | 福建永福工程顾问有限公司 | The vertical wire outlet structure of Novel outdoor GIS power distribution equipment |
| CN204386221U (en) * | 2014-12-12 | 2015-06-10 | 中国能源建设集团安徽省电力设计院有限公司 | A kind of three layers of association type outlet framework for the outdoor GIS transformer station of 220kV |
Non-Patent Citations (1)
| Title |
|---|
| 国家电网公司500(330)KV变电站典型设计工作组: "《国家电网公司500kV变电站典型设计》", 31 August 2005 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107317226A (en) * | 2017-07-31 | 2017-11-03 | 中国电力技术装备有限公司郑州电力设计院 | A kind of transformer station's general electric arrangement structure |
| CN107591684A (en) * | 2017-10-26 | 2018-01-16 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of 330kV transformer stations GIS vertical wire outlet structure |
| CN107591684B (en) * | 2017-10-26 | 2024-03-15 | 中国电力工程顾问集团西北电力设计院有限公司 | Perpendicular outlet structure of 330kV transformer substation GIS |
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Application publication date: 20160120 |