CN203747256U - 220 kV double-bus single-segment breaker single-row arranged arrangement structure - Google Patents
220 kV double-bus single-segment breaker single-row arranged arrangement structure Download PDFInfo
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- CN203747256U CN203747256U CN201420107562.1U CN201420107562U CN203747256U CN 203747256 U CN203747256 U CN 203747256U CN 201420107562 U CN201420107562 U CN 201420107562U CN 203747256 U CN203747256 U CN 203747256U
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- 238000010586 diagram Methods 0.000 description 5
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- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a 220 kV double-bus single-segment breaker single-row arranged arrangement structure. The structure comprises a first segment of an I-group bus, a second segment of the I-group bus, an II-group bus, a wire outlet circuit, a single-bus segment breaker circuit, an I-group bus device and an II-group bus device. The first segment of I-group bus is connected with the second segment of the I-group bus through the single-bus segment breaker circuit; the I-group bus device is connected with the first segment of the I-group bus; the wire outlet circuit and the I-group bus device are arranged in the same interval; the II-group bus device is connected with the II-group bus; and the II-group bus device and the single-bus segment breaker circuit are arranged in the same interval. Such an arrangement has the advantages of compact structure, small land occupation, saved investment, effective utilization of field resources, and substantially reduced electromagnetic interference.
Description
Technical field
The utility model relates to power distribution equipment field, especially relates to the arrangement of the single-row layout of a kind of 220kV bus single-subsection circuit breaker.
Background technology
In power plant or Substation Design, in the time that line feeder number reaches 10-14 and returns, 220kV main electrical scheme generally adopts bus single-subsection connection type, and corresponding power distribution equipment is arranged and adopted circuit breaker single-column type or double-row type layout pattern according to the difference of site condition.In the time adopting single-column type to arrange, traditional layout pattern as shown in Figure 1, can only be arranged with one of them in lower unit at each 220kV cubicle: 1. a wire inlet unit; 2. an outgoing line unit; 3. bus equipment unit (containing the female unit of I and the female unit of II); 4. bus section breaker unit.Can find out according to engineering is actual, for the outgoing line unit in said units and bus section breaker unit interval, due to the feature at interval self, these two unit intervals have very large space, place not to be fully utilized, caused waste, and electromagnetic interference between each unit is larger.
Summary of the invention
The purpose of this utility model is: the problem existing for prior art, a kind of compact conformation be provided, take up an area little, reduced investment, place resource is utilized effectively, but also can greatly reduce the arrangement of the single-row layout of 220kV bus single-subsection circuit breaker of electromagnetic interference.
The purpose of this utility model is achieved through the following technical solutions:
An arrangement for the single-row layout of 220kV bus single-subsection circuit breaker, is characterized in that: this structure comprises one section of bus of I group, two sections of buses of I group, II group bus, outgoing line circuit, single mother partition breaker circuit, I group bus equipment and II group bus equipment.Described I organizes one section of bus and is connected with two sections of I group buses by single mother partition breaker circuit, described I group bus equipment is connected with one section of I group bus, described outgoing line circuit and I group bus equipment are arranged in same interval, described II group bus equipment is connected with II group bus, and described II group bus equipment and single mother partition breaker circuit are arranged in same interval.
Preferably, described outgoing line circuit comprises circuit breaker, current transformer, queen post level fracture isolating switch and capacitance type potential transformer and lightning arrester, wherein one end of described circuit breaker is connected on II group bus by open side type vertical-fracture isolating switch, be connected on one section of I group bus by queen post level fracture isolating switch simultaneously, the other end connects current transformer successively, leading-out wire again after queen post level fracture isolating switch and capacitance type potential transformer and lightning arrester.
Preferably, described I group bus equipment comprises queen post level fracture isolating switch, capacitance type potential transformer and lightning arrester, and one end of described queen post level fracture isolating switch connects respectively capacitance type potential transformer and is connected one section of I group bus with lightning arrester, the other end.
Preferably, described II group bus equipment comprises open side type vertical-fracture isolating switch, capacitance type potential transformer and lightning arrester, and one end of described open side type vertical-fracture isolating switch connects respectively capacitance type potential transformer and is connected II group bus with lightning arrester, the other end.
Preferably, described single mother partition breaker circuit comprises circuit breaker, two groups of queen post level fracture isolating switch summation current transformers, described circuit breaker one end is connected with two sections of I group buses through current transformer and one group of queen post level fracture isolating switch, and the other end is connected with one section of I group bus through one group of queen post level fracture isolating switch.
Compared with prior art, the utlity model has following advantage:
1, II group bus equipment and single mother partition breaker circuit are arranged in same interval, thereby far away apart from outgoing line circuit, can greatly reduce electromagnetic interference.
2, while solving the single-row layout of 220kV bus single-subsection circuit breaker, the problem that has space, larger place to be underutilized in outgoing line circuit and single mother partition breaker circuit interval, new arrangement pattern can make the layout of whole power distribution equipment save the interval width of, therefore, in and owner restricted at place lateral dimension has particular/special requirement, adopt this new arrangement to meet the demands; This layout has compact conformation, takes up an area little, reduced investment, the place resource advantage such as be utilized effectively.
Brief description of the drawings
Fig. 1 is that traditional power distribution equipment single-column type is arranged schematic diagram;
Fig. 2 is connection principle schematic diagram of the present utility model;
Fig. 3 is plane of arrangement schematic diagram of the present utility model;
Fig. 4 is that the I-I of Fig. 3 is to sectional structure schematic diagram.
Fig. 5 is that the II-II of Fig. 3 is to sectional structure schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
embodiment
As shown in Figure 2, the arrangement of the single-row layout of a kind of 220kV bus single-subsection circuit breaker, this structure comprises that one section of bus of I group, two sections of buses of I group, II group bus, outgoing line circuit, single mother partition breaker circuit, I group bus equipment, II organize bus equipment, in the time having multiple lines loop, also comprise all the other some line loop equipment.One section of bus of I group, I two sections of buses of group and II group bus are all 220kV buses.
I organizes one section of bus and is connected with two sections of I group buses by single mother partition breaker circuit.Single mother partition breaker circuit comprises two groups of queen post level fracture isolating switchs 9,12, circuit breaker 10 summation current transformers 11, one end of circuit breaker 10 is connected to one section of I group bus by one group of queen post level fracture isolating switch 9, and the other end of circuit breaker 10 is connected to two sections of I group buses by current transformer 11, another group queen post level fracture isolating switch 12 successively.
Outgoing line circuit is provided with circuit breaker 3, current transformer 4, queen post level fracture isolating switch 1, open side type vertical-fracture isolating switch 2 and capacitance type potential transformer 15 and lightning arrester 16.Wherein one end of circuit breaker 3 is connected on II group bus by open side type vertical-fracture isolating switch 2, be connected on one section of I group bus by queen post level fracture isolating switch 1 simultaneously, the other end connects current transformer 4 successively, leading-out wire again after queen post level fracture isolating switch 5 and capacitance type potential transformer 15 and lightning arrester 16.
I group bus (being divided into two sections of one section of I group bus and I group buses) is provided with I group bus equipment, and II group bus is provided with II group bus equipment.I group bus equipment comprises queen post level fracture isolating switch 6, capacitance type potential transformer 8 and lightning arrester 7.I group bus equipment is arranged in same interval with outgoing line circuit, and the female PT interval of the residing I of I group bus equipment and transmission line circuit is as shown in Figure 2 spaced a long interval of formation.One end of the queen post level fracture isolating switch 6 of I group bus equipment connects respectively capacitance type potential transformer 7 and lightning arrester 8, the other end are connected on one section of bus of I group, and its queen post level fracture isolating switch 6 is arranged in one section of bus bar side below of I group, this queen post level fracture isolating switch 6 becomes axial symmetry with queen post level fracture isolating switch 1 with respect to the B phase center line of one section of I group bus.
II group bus equipment comprises open side type vertical-fracture isolating switch 14, capacitance type potential transformer 12 and lightning arrester 13.II group bus equipment is arranged in same interval with single mother partition breaker circuit, i.e. the female PT interval of the residing II of II group bus equipment and a long interval of arrangement formation, the residing segmentation of single mother partition breaker circuit loop as shown in Figure 2.
Adopt above scheme to break I group bus equipment and II to organize bus equipment and be made into the intrinsic pattern at an interval, and I group bus equipment and any one transmission line circuit are made into a new interval again, II group bus equipment and single mother partition breaker circuit are made into a new interval, and the pattern of the indivedual equipment of corresponding adjustment, so not only make whole layout there is compact conformation, take up an area the advantage that little, reduced investment, place resource are utilized effectively, and can also greatly reduce the electromagnetic interference between each equipment.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; it should be pointed out that all any amendments of doing within spirit of the present utility model and principle, be equal to replacement and improvement etc., within all should being included in protection range of the present utility model.
Claims (5)
1. the arrangement of the single-row layout of 220kV bus single-subsection circuit breaker, it is characterized in that: this structure comprises one section of I group bus, two sections of I group buses, II organizes bus, outgoing line circuit, single mother partition breaker circuit, I group bus equipment and II group bus equipment, described I organizes one section of bus and is connected with two sections of I group buses by single mother partition breaker circuit, described I group bus equipment is connected with one section of I group bus, described outgoing line circuit and I group bus equipment are arranged in same interval, described II group bus equipment is connected with II group bus, described II group bus equipment and single mother partition breaker circuit are arranged in same interval.
2. the arrangement of the single-row layout of a kind of 220kV bus single-subsection circuit breaker according to claim 1, it is characterized in that, described outgoing line circuit comprises circuit breaker, current transformer, queen post level fracture isolating switch and capacitance type potential transformer and lightning arrester, wherein one end of described circuit breaker is connected on II group bus by open side type vertical-fracture isolating switch, be connected on one section of I group bus by queen post level fracture isolating switch simultaneously, the other end connects current transformer successively, leading-out wire again after queen post level fracture isolating switch and capacitance type potential transformer and lightning arrester.
3. the arrangement of the single-row layout of a kind of 220kV bus single-subsection circuit breaker according to claim 1, it is characterized in that, described I group bus equipment comprises queen post level fracture isolating switch, capacitance type potential transformer and lightning arrester, and one end of described queen post level fracture isolating switch connects respectively capacitance type potential transformer and is connected one section of I group bus with lightning arrester, the other end.
4. the arrangement of the single-row layout of a kind of 220kV bus single-subsection circuit breaker according to claim 1, it is characterized in that, described II group bus equipment comprises open side type vertical-fracture isolating switch, capacitance type potential transformer and lightning arrester, and one end of described open side type vertical-fracture isolating switch connects respectively capacitance type potential transformer and is connected II group bus with lightning arrester, the other end.
5. the arrangement of the single-row layout of a kind of 220kV bus single-subsection circuit breaker according to claim 1, it is characterized in that, described single mother partition breaker circuit comprises circuit breaker, two groups of queen post level fracture isolating switch summation current transformers, described circuit breaker one end is connected with two sections of I group buses through current transformer and one group of queen post level fracture isolating switch, and the other end is connected with one section of I group bus through one group of queen post level fracture isolating switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420107562.1U CN203747256U (en) | 2014-03-11 | 2014-03-11 | 220 kV double-bus single-segment breaker single-row arranged arrangement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420107562.1U CN203747256U (en) | 2014-03-11 | 2014-03-11 | 220 kV double-bus single-segment breaker single-row arranged arrangement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203747256U true CN203747256U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420107562.1U Expired - Lifetime CN203747256U (en) | 2014-03-11 | 2014-03-11 | 220 kV double-bus single-segment breaker single-row arranged arrangement structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN203747256U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300032A (en) * | 2016-10-12 | 2017-01-04 | 四川电力设计咨询有限责任公司 | The bus solid arrangement of bus single-subsection power distribution equipment |
| CN106356724A (en) * | 2016-10-11 | 2017-01-25 | 四川电力设计咨询有限责任公司 | Bus three-dimensional arrangement structure for dual-bus dual-segment power distribution device |
| CN110445044A (en) * | 2019-05-24 | 2019-11-12 | 重庆华峰化工有限公司 | Single bus-bar operation transformation station remodeling method |
| CN111668783A (en) * | 2020-07-15 | 2020-09-15 | 国网河南省电力公司经济技术研究院 | Special-shaped HGIS equipment, electrical main wiring and transformer substation |
-
2014
- 2014-03-11 CN CN201420107562.1U patent/CN203747256U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356724A (en) * | 2016-10-11 | 2017-01-25 | 四川电力设计咨询有限责任公司 | Bus three-dimensional arrangement structure for dual-bus dual-segment power distribution device |
| CN106300032A (en) * | 2016-10-12 | 2017-01-04 | 四川电力设计咨询有限责任公司 | The bus solid arrangement of bus single-subsection power distribution equipment |
| CN110445044A (en) * | 2019-05-24 | 2019-11-12 | 重庆华峰化工有限公司 | Single bus-bar operation transformation station remodeling method |
| CN110445044B (en) * | 2019-05-24 | 2020-11-13 | 重庆华峰化工有限公司 | Transformation station transformation method for single-bus operation |
| CN111668783A (en) * | 2020-07-15 | 2020-09-15 | 国网河南省电力公司经济技术研究院 | Special-shaped HGIS equipment, electrical main wiring and transformer 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: 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. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |