CN202197020U - 110 kV back-to-back arranged bidirectional outlet power distribution device - Google Patents
110 kV back-to-back arranged bidirectional outlet power distribution device Download PDFInfo
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- CN202197020U CN202197020U CN201120226509XU CN201120226509U CN202197020U CN 202197020 U CN202197020 U CN 202197020U CN 201120226509X U CN201120226509X U CN 201120226509XU CN 201120226509 U CN201120226509 U CN 201120226509U CN 202197020 U CN202197020 U CN 202197020U
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- 230000002457 bidirectional effect Effects 0.000 title abstract 2
- 238000000034 method Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a 110 kV back-to-back arranged bidirectional outlet power distribution device, including a plurality of breakers and a plurality of interval areas. The breakers are symmetrically distributed at two sides of the central axis of the power distribution device, each breaker is positioned in an interval area, the interval areas form the power distribution device, and the power distribution device extends from two sides of the central axis to form an outlet circuit. In the scheme of the power distribution device provided in the utility model, the problems are solved that the scale of the 110 kV power distribution device is large, outlet directions are various, outlet channels are not enough for use, an occupied land amount is large, and a line corner engineering amount is large.
Description
Technical field
The utility model relates to a kind of power distribution equipment, especially relates to a kind of 110kV that is applied to transformer station and arranges the switchyard of two-way outlet back-to-back.
Background technology
Because rapid economic development in recent years, the increase of high energy-consuming industry, the increasing of load point, 110kV power distribution equipment scale is increasing.And before actual application in, for the medium-sized arrangement of phase-splitting outside the room, be generally single-row layout according to the arrangement mode arrangement of circuit breaker.As shown in Figure 1, the single-row layout of circuit breaker, 2 groups of bus isolating switchs all directly are arranged in the bus below in the interval of circuit breaker; Each can only be provided with 1 loop at interval; 23 intervals have been shown among Fig. 1, have been set to subsequent use outlet No. 1 shown in dashed lines frame among Fig. 1, be spaced apart the 1st main transformer inlet wire No. 10; Be spaced apart the 2nd main transformer inlet wire No. 18, be spaced apart the 3rd main transformer inlet wire No. 21.There is following shortcoming in the single-row layout of power distribution equipment circuit breaker outside the 110kV room: (1) one-sided outlet, and outlet direction is single; (2) power distribution equipment is big with the soil amount; When (3) electric outgoing line corridor was nervous, circuit corner quantities was big.To above shortcoming, the main purpose of this practical technology reduces economic loss at aspects such as occupation of land, investment, three material consumption.
The utility model content
The utility model is intended to overcome above defective, and it is various to solve outlet direction, and electric outgoing line corridor is nervous, the problem that the land occupation amount is big.
For addressing this problem; The utility model provides a kind of switchyard, this power distribution equipment comprises a plurality of circuit breakers and a plurality of interval region, and these a plurality of circuit breakers are symmetrically distributed in the both sides of the central axis of this power distribution equipment; In a plurality of circuit breakers each all is positioned at an interval region; Said a plurality of interval region forms this power distribution equipment, and the part in said a plurality of interval regions is as the transformer inlet wire zone of electric power system, and another part is as electric power system outlet zone; This power distribution equipment stretches out line loop respectively from the both sides of said central axis, forms circuit breaker and arranges back-to-back and the two-way outlet method of power distribution equipment.
An embodiment according to the utility model; Interval region as electric power system outlet zone also comprises bus bar side isolating switch, current transformer, outlet side isolating switch, and electric power exports the electric power branch road through bus bar side isolating switch, circuit breaker, current transformer and outlet side isolating switch to from bus successively.
According to an embodiment of the utility model, this power distribution equipment is the double-bus operational mode, and adopts last cross-line that two buses are connected in parallel.
According to an embodiment of the utility model, said bus bar side isolating switch directly is arranged in the bus below, goes out the both sides that line loop is arranged in power distribution equipment, forms two-way back-to-back outlet method.
The embodiment of the power distribution equipment of the utility model has solved that 110kV power distribution equipment scale is big, and outlet direction is various, and electric outgoing line corridor is nervous; The land occupation amount is big, the problem that circuit corner quantities is big, and transformer station station district layout is clear; Framework is simplified, and helps construction, operation and maintenance.
Description of drawings
Fig. 1 is the structural representation of the power distribution equipment of single-row layout for the arrangement mode of traditional circuit breaker wherein;
Fig. 2 is the structural representation of arranging according to the circuit breaker biserial of the embodiment of the utility model of joining single device;
The implication of Reference numeral wherein is:
The subsequent use outlet of 1---subsequent use outlet 2---
The subsequent use outlet of 3---subsequent use outlets 4---
The subsequent use outlet of 5---subsequent use outlets 6---
The subsequent use outlet of 7---subsequent use outlets 8---
9---subsequent use outlets 10---the 1st main transformer inlet wire
The subsequent use outlet of 11---subsequent use outlets 12---
The subsequent use outlet of 13---subsequent use outlets 14---
The subsequent use outlet of 15---subsequent use outlets 16---
17---subsequent use outlets 18---the 2nd main transformer inlet wire
The subsequent use outlet of 19---subsequent use outlets 20---
The subsequent use outlet of 21---the 3rd main transformer inlet wires 22---
23---subsequent use outlet
1a---the 1st main transformer inlet wire 1b---the 2nd main transformer inlet wire
2a---I, the female 2b that joins of II bus---the 3rd main transformer inlet wire
The subsequent use outlet of 3a---subsequent use outlet 3b---
The subsequent use outlet of 4a---subsequent use outlet 4b---
The subsequent use outlet of 5a---subsequent use outlet 5b---
The subsequent use outlet of 6a---subsequent use outlet 6b---
The subsequent use outlet of 7a---subsequent use outlet 7b---
The subsequent use outlet of 8a---subsequent use outlet 8b---
The subsequent use outlet of 9a---subsequent use outlet 9b---
The subsequent use outlet of 10a---subsequent use outlet 10b---
The subsequent use outlet of 11a---subsequent use outlet 11b---
Embodiment
Below with reference to Fig. 2, with the medium-sized scheme of arranging two-way outlet back-to-back that is arranged as example explanation power distribution equipment of the phase-splitting of double-bus.At first, need to prove that the frame of broken lines equipment in the accompanying drawing 2 is an interval, be spaced apart subsequent use outlet 3a number that for example the with dashed lines frame table shows among Fig. 2.The arrow direction is an outlet direction, and A, B, C are the AC power phase sequence, the 1a among the figure ... 11a, 1b ... What 11b was corresponding respectively is at interval, for numbering at interval.Power distribution equipment comprises a plurality of circuit breakers and a plurality of interval region; And these a plurality of circuit breakers are symmetrically distributed in the both sides of the central axis of this power distribution equipment; In a plurality of circuit breakers each all is positioned at an interval region, and these a plurality of interval regions form this power distribution equipment, and the part in a plurality of interval regions is as the transformer inlet wire zone of electric power system; Another part is as electric power system outlet zone, and power distribution equipment stretches out line loop respectively from the both sides of said central axis.The scale of supposing power distribution equipment is: the power distribution equipment outlet is 18 times outside the 110kV room, main transformer inlet wire 3 times.Be spaced apart subsequent use outlet 3a number that the with dashed lines frame table shows among Fig. 2, be spaced apart the first main transformer inlet wire 1a number, 1b and 2b interval are respectively the inlet wire of the 2nd main transformer and the 3rd main transformer.The bus that is spaced apart two buses for 2a number connects.Promptly in 22 intervals, except 1a, 2a, 1b and 2b interval, remaining 18 times outlets of 18 time interval.Explain as follows in the face of the medium-sized biserial layout design of power distribution equipment phase-splitting down: adopt the medium-sized circuit breaker biserial layout of bus phase-splitting outside the 110kV room; 1 group of bus isolating switch directly is arranged in the bus below in the interval of circuit breaker; Each can be provided with 2 loops at interval; Go out line loop and be arranged in the power distribution equipment both sides, thereby form back-to-back two-way outlet method.In addition, comprise that the connected mode between the various hardware of bus all is to be connected with lead through device clamp, form an interval region.Each interval region that all buses and relevant hardware are formed, these interval regions promptly form power distribution equipment.
In addition; The implication of symbol is among the figure:
expression bus bar side isolating switch;
representes circuit breaker;
representes current transformer;
expression outlet side isolating switch,
representes voltage transformer.And the power distribution equipment among Fig. 2 is the double-bus operational mode, and adopts last cross-line that two buses are connected in parallel.
Solution according to the power distribution equipment of the utility model; Power distribution equipment zone floor space reduces, and it is compact clear to arrange, framework is simplified; Line side electric outgoing line corridor corner quantities is less; The circuit corridor is loose, efficiently solves the requirement of this transformer station site to electric outgoing line corridor, avoids causing a large amount of soils and circuit to turn to the waste of aspect.
This practical technology adopts two-way back-to-back outlet to arrange, has saved power distribution equipment district link length effectively, save transformer station's cable length, and power distribution equipment area arrangements compactness is clear, and type selecting is flexible, has reduced investment and land used.Limited to transformer station's site condition, the 110kV power distribution equipment is larger, the engineering that outlet direction is various, very suitable.
Need to prove; The embodiment of the utility model be with the bus connection type be phase-splitting medium-sized be example; But the key point of the utility model is the form of two-way outlet or the application of back-to-back arrangement form is not limited to this; Bus is common medium-sized, and circuit breaker biserial or three row arrange that scale increases or reduces all suitable equally.
Claims (4)
1. the power distribution equipment of a 110kV two-way outlet of arranging back-to-back; It is characterized in that this power distribution equipment comprises a plurality of circuit breakers and a plurality of interval region, and these a plurality of circuit breakers are symmetrically distributed in the both sides of the central axis of this power distribution equipment; In a plurality of circuit breakers each all is positioned at an interval region; Said a plurality of interval region forms this power distribution equipment, and the part in said a plurality of interval regions is as the transformer inlet wire zone of electric power system, and another part is as electric power system outlet zone; This power distribution equipment stretches out line loop respectively from the both sides of said central axis, forms circuit breaker and arranges back-to-back and the two-way outlet method of power distribution equipment.
2. power distribution equipment as claimed in claim 1; It is characterized in that; Interval region as electric power system outlet zone also comprises bus bar side isolating switch, current transformer, outlet side isolating switch, and electric power exports the electric power branch road through bus bar side isolating switch, circuit breaker, current transformer and outlet side isolating switch to from bus successively.
3. power distribution equipment as claimed in claim 1 is characterized in that this power distribution equipment is the double-bus operational mode, and adopts last cross-line that two buses are connected in parallel.
4. power distribution equipment as claimed in claim 2 is characterized in that, said bus bar side isolating switch directly is arranged in the bus below, goes out the both sides that line loop is arranged in power distribution equipment, forms two-way back-to-back outlet method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120226509XU CN202197020U (en) | 2011-06-30 | 2011-06-30 | 110 kV back-to-back arranged bidirectional outlet power distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120226509XU CN202197020U (en) | 2011-06-30 | 2011-06-30 | 110 kV back-to-back arranged bidirectional outlet power distribution device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202197020U true CN202197020U (en) | 2012-04-18 |
Family
ID=45951919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120226509XU Expired - Fee Related CN202197020U (en) | 2011-06-30 | 2011-06-30 | 110 kV back-to-back arranged bidirectional outlet power distribution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202197020U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701045A (en) * | 2013-12-26 | 2014-04-02 | 中国能源建设集团安徽省电力设计院 | Arrangement method of dual-bus and dual-row arranged type AIS (air insulated switchgear) power distribution device of substation |
| CN105261986A (en) * | 2015-07-28 | 2016-01-20 | 中国电力技术装备有限公司郑州电力设计院 | Optimization structure of 220kV substation |
-
2011
- 2011-06-30 CN CN201120226509XU patent/CN202197020U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701045A (en) * | 2013-12-26 | 2014-04-02 | 中国能源建设集团安徽省电力设计院 | Arrangement method of dual-bus and dual-row arranged type AIS (air insulated switchgear) power distribution device of substation |
| CN103701045B (en) * | 2013-12-26 | 2016-04-06 | 中国能源建设集团安徽省电力设计院有限公司 | A kind of transformer station double-bus dually arrayed AIS power distribution equipment arrangement |
| CN105261986A (en) * | 2015-07-28 | 2016-01-20 | 中国电力技术装备有限公司郑州电力设计院 | Optimization structure of 220kV substation |
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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: INNER MONGOLIA ELECTRIC POWER SURVEY DESIGN INSTIT Free format text: FORMER NAME: INNER MONGOLIA ELECTRICAL POWER INVESTIGATE AND DESIGN INSTITUTE |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 010020 the Inner Mongolia Autonomous Region Hohhot City Xilin Road No. 209 Patentee after: INNER MONGOLIA ELECTRIC POWER SURVEY & DESIGN INSTITUTE CO., LTD. Address before: 010020 the Inner Mongolia Autonomous Region Hohhot City Xilin Road No. 209 Patentee before: Inner Mongolia Electric Power Survey Design Institute |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20200630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |