CN204012215U - A kind of alternating current filter power distribution equipment - Google Patents
A kind of alternating current filter power distribution equipment Download PDFInfo
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- CN204012215U CN204012215U CN201420349034.7U CN201420349034U CN204012215U CN 204012215 U CN204012215 U CN 204012215U CN 201420349034 U CN201420349034 U CN 201420349034U CN 204012215 U CN204012215 U CN 204012215U
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Abstract
A kind of alternating current filter power distribution equipment, framework is double-deck Cantilever Beams framework, upper strata beam and lower floor's beam are orthogonal, upper strata beam connects flexible conductor, flexible conductor totally 6 parallels layout, lower floor's beam connects lower floor's tube type bus by V-type insulator string, two limit phase conductors of flexible conductor are connected to the hanging point at beam two ends, upper strata and are connected to one end of lower floor's tube type bus by drawing lower flexible conductor from the outside of lower floor's beam, the other end of lower floor's tube type bus is connected to the isolating switch in group's alternating current filter loop, the direction of lower floor's tube type bus is parallel with isolating switch direction, between the circuit breaker in group's alternating current filter loop and isolating switch, maintenance road is set, flexible conductor line balance converter transport routes.The utility model flexible conductor replaces GIL pipeline, reduce equipment investment, lower floor's beam connects lower floor's tube type bus by V-type insulator string, be connected to the isolating switch in group's alternating current filter loop by drawing lower flexible conductor, because the direction of lower floor's tube type bus is parallel with isolating switch direction, reduce the floor space of filter region, be conducive to the operation maintenance of equipment.
Description
Technical field
The utility model belongs to power transmission and distribution and electricity consumption Engineering Speciality-current conversion station and transformer station-power transformation engineering electrical design technical field, relates to the power distribution equipment of 750kV alternating current filter.
Background technology
± 800kV direct-current ultra high voltage technology has represented the highest level of international T & D Technology, and DC converter station is as the important component part of DC transmission system, and it arranges that occupation of land problem obtains numerous designers' concern.In UHVDC converter station, alternating current filter is important part, its place generally accounts for 40% left and right in whole current conversion station place, its arrangement directly affects the floor space of current conversion station, and is directly connected to the key element of many engineerings such as construction investment, equipment and personal security, operation maintenance.
Group's alternating current filter is generally connected to form by wire by electric capacity, inductance and the resistive element of special parameter, is arranged in fence; The switchgear (circuit breaker and isolating switch) of several groups alternating current filter and each self-loop is by being connected to 1 section of independently single busbar connection, form 1 large group alternating current filter, every large group alternating current filter is banishd the switch yard of electric installation as an integrated connection best friend.Mode of connection between group's alternating current filter circuit switching equipment and large group alternating current filter bus and organize greatly alternating current filter with AC distribution device switch yard between mode of connection there is optimization space.
In the UHVDC converter station that now the alternating current net side electric pressure of design is 750kV, 1 large group alternating current filter of general 3 ~ 4 group's alternating current filter composition, every two large group alternating current filters are arranged in a region, organize greatly alternating current filter bus and adopt built on stilts flexible conductor.As shown in Fig. 1 ~ Fig. 3, Mei Liang group alternating current filter 1 positioned opposite, be arranged in the built on stilts flexible conductor of large group of alternating current filter bus 6() both sides, each group alternating current filter is connected to switchgear in loop (circuit breaker 4 and isolating switch 5), switchgear adopts flexible conductor 8 to draw and is connected to large group of alternating current filter bus 6, and bus 6 is mounted on framework 12.AC distribution device switch yard adopts GIL(gas-insulated enclosed busbar) pipeline 2 draws the end that is connected to large group of alternating current filter bus 6, adopts outlet casing tube 3 to be drawn and be connected to large group of alternating current filter bus by flexible conductor 8.In alternating current filter place, the below of framework 12 arranges lightning arrester 13, between two groups of isolating switches 5 of positioned opposite, bus 6 below voltage transformer 14 or post insulator 15 are set.Alternate and the circuit breaker 4 arranged outside maintenance roads 16 at equipment.
There are the following problems for above alternating current filter connection plan:
1) floor space is large
As Fig. 3, group's alternating current filter loop isolating switch 5 need be connected to large group of alternating current filter bus 6, generatrix direction is vertical with loop apparatus arrangement direction, be subject to the restriction of air clearance requirement between isolating switch 5 fractures, the lead-in wire that is connected to large group of alternating current filter bus one side in isolating switch 5 fracture both sides need to keep certain distance to opposite side, therefore need the outside of isolating switch 5 integral arrangement in large group alternating current filter bus 6 limit phases, cause organizing greatly alternating current filter bus under for vacant lot or only there has been the post insulator 15 of support wire effect, because the phase spacing of 750kV wire is larger, thereby cause larger occupation of land waste.
2) equipment investment is high
Two large group alternating current filters are arranged in the same area, wherein 1 group nearer apart from AC distribution device switch yard, other 1 group far away.The large group alternating current filter far away apart from AC distribution device switch yard needs GIL pipeline to draw the end that is connected to its bus equally, need larger GIL pipeline consumption, and the cost of GIL pipeline is higher, much larger than built on stilts flexible conductor, therefore the equipment investment of this connection plan is higher.
3) be not easy to operation maintenance
Two large group alternating current filters are arranged in the same area, as Fig. 2, GIL pipeline 2 draws the path that is connected to large group of alternating current filter end of bus bars from AC distribution device switch yard, there is one section of quite long needs rebuilding, and need GIL pipeline 2 line balance converter transport roads 17, especially may cross over the transport road of converter transformer, thereby cause GIL pipeline will be raised to higher position, GIL pipeline rebuilding and leap road are all unfavorable for operation maintenance.
Utility model content
For above problem, the purpose of this utility model is to provide a kind of for 750kV alternating current filter power distribution equipment, limited by appointed condition---750kV does not have under the condition of vertical-fracture isolating switch, realize the optimization of the wiring of 750kV alternating current filter and power distribution equipment, be conducive to the floor space of saving equipment investment, reducing ultra-high voltage converter station, there is larger economic benefit.
For achieving the above object, the utility model provides a kind of alternating current filter power distribution equipment, comprise framework, large group of alternating current filter of at least two groups, each large group of alternating current filter is connected to loop inner breaker by four group's alternating current filters and isolating switch forms, large group alternating current filter bus is built on stilts flexible conductor, it is characterized in that: framework is double-deck Cantilever Beams framework, upper strata beam and lower floor's beam are orthogonal, upper strata beam connects flexible conductor, flexible conductor totally 6 parallels layout, lower floor's beam connects lower floor's tube type bus by V-type insulator string, two limit phase conductors of flexible conductor are connected to the hanging point at beam two ends, upper strata and are connected to one end of lower floor's tube type bus by drawing lower flexible conductor from the outside of lower floor's beam, the other end of lower floor's tube type bus is connected to the isolating switch in group's alternating current filter loop, the direction of lower floor's tube type bus is parallel with isolating switch direction, between the circuit breaker in group's alternating current filter loop and isolating switch, maintenance road is set, flexible conductor line balance converter transport routes.
The utility model has adopted a kind of double-deck Cantilever Beams framework in 750kV alternating current filter region, the spacing of truss column is less, not as the limiting factor of arranging size; In this framework, upper strata beam connects flexible conductor, and the lead-in wire of flexible conductor totally 6 phase conductors is arranged in parallel, and wherein two limit phase conductors are connected to the hanging point of Cantilever Beams position, have replaced the GIL pipeline in the former mode of connection, have reduced equipment investment; Lower floor's beam connects lower floor's tube type bus by V-type insulator string, be connected to the isolating switch in group's alternating current filter loop by drawing lower flexible conductor, because the direction of lower floor's tube type bus is parallel with isolating switch direction, therefore there is not the restriction requirement of air clearance in prior art, equipment room distance only needs to meet operation maintenance requirement, thereby can reduce the floor space of filter region; Upper strata flexible conductor is connected by drawing lower flexible conductor with lower floor tube type bus, makes specific 4 groups' alternating current filters form 1 large group, and wherein limit phase conductor need to be connected to from the outside of lower floor's beam the end of lower floor's tube type bus; Between the circuit breaker in alternating current filter group loop and isolating switch, maintenance road is set, is convenient to weight compared with the transport of large equipment; Adopt built on stilts flexible conductor line balance converter transport routes, avoided the problem of GIL pipeline aerial crossing road, and reduced the length of GIL pipeline rebuilding, be conducive to the operation maintenance of equipment.
Brief description of the drawings
Fig. 1 is 750kV alternating current filter plane of arrangement figure in prior art;
Fig. 2 is 750kV alternating current filter inlet wire direction sectional drawing in prior art;
Fig. 3 is 750kV alternating current filter circuit switching apparatus arrangement sectional drawing in prior art;
Fig. 4 is 750kV alternating current filter plane of arrangement figure in the utility model;
Fig. 5 is 750kV alternating current filter inlet wire direction sectional drawing in the utility model;
Fig. 6 is 750kV alternating current filter circuit switching apparatus arrangement sectional drawing in the utility model.
Embodiment
As shown in Figure 4, Figure 5, equipment conveying road 15 offsides in alternating current filter region arrange alternating current filter inlet wire framework 11, GIL pipeline 2 draws the below that is connected to inlet wire framework 11, adopt outlet casing tube 3, draw by flexible conductor and be connected to aerial condutor 6, the voltage transformer 13 in large group alternating current filter loop is also arranged in the below of framework 11, is connected with outlet casing tube 3 by flexible conductor.AC distribution device switch yard is connected by aerial condutor 6 with large group alternating current filter, double-deck Cantilever Beams framework 10 is set in alternating current filter region, upper strata beam and lower floor's beam are orthogonal, aerial condutor 6 is connected in upper strata beam, tube type bus 7 hangs on lower floor's beam of framework 10 by V-type insulator string 9, the 14th, maintenance road, the 12nd, lightning arrester, group's filter 1 is same as the prior art with the connected mode of loop inner breaker 4, isolating switch 5.
As shown in Figure 6, upper bed rack hollow wire 6 is connected in group's alternating current filter circuit positions with lower floor tube type bus 7, aerial condutor between 10 liang of posts of framework 6 adopts and draws lower flexible conductor 8 and be connected directly to tube type bus 7, adopts the end of drawing lower flexible conductor 8 and be connected to from the outside of lower floor's beam tube type bus 7 at the encorbelment aerial condutor 6 of position of framework 10.Tube type bus 7 is connected to group's loop isolating switch 5 by drawing lower flexible conductor 8.Between two group's alternating current filter loop isolating switches 5, arrange the lightning arrester 12 of large group filter.Maintenance road 14 is set between group's alternating current filter circuit breaker 4 and isolating switch 5, at the arranged outside circumferential highway of group's alternating current filter 1.
Adopt power distribution equipment, compared with the scheme of prior art, the transverse arrangement of turbo size in filter place can reduce 15.0m, and it is single-phase that every two large group filter inlet wire GIL pipelines can reduce about 510m().
Be more than two large group alternating current filter place arrangements, as need be arranged three large group alternating current filters at Same Site, need the layout demand according to Practical Project, flexible utilization lower floor tube type bus 7 and upper strata flexible conductor 6, as transition wiring, are connected to each large group of alternating current filter.
According to actual arrangement demand, group's filter 1 is replaceable is step-down transformer.
Claims (1)
1. an alternating current filter power distribution equipment, comprise framework, large group of alternating current filter of at least two groups, each large group of alternating current filter is connected to loop inner breaker by four group's alternating current filters and isolating switch forms, large group alternating current filter bus is built on stilts flexible conductor, it is characterized in that: framework is double-deck Cantilever Beams framework, upper strata beam and lower floor's beam are orthogonal, upper strata beam connects flexible conductor, flexible conductor totally 6 parallels layout, lower floor's beam connects lower floor's tube type bus by V-type insulator string, two limit phase conductors of flexible conductor are connected to the hanging point at beam two ends, upper strata and are connected to one end of lower floor's tube type bus by drawing lower flexible conductor from the outside of lower floor's beam, the other end of lower floor's tube type bus is connected to the isolating switch in group's alternating current filter loop, the direction of lower floor's tube type bus is parallel with isolating switch direction, between the circuit breaker in group's alternating current filter loop and isolating switch, maintenance road is set, flexible conductor line balance converter transport routes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420349034.7U CN204012215U (en) | 2014-06-27 | 2014-06-27 | A kind of alternating current filter power distribution equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420349034.7U CN204012215U (en) | 2014-06-27 | 2014-06-27 | A kind of alternating current filter power distribution equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204012215U true CN204012215U (en) | 2014-12-10 |
Family
ID=52052158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420349034.7U Active CN204012215U (en) | 2014-06-27 | 2014-06-27 | A kind of alternating current filter power distribution equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204012215U (en) |
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2014
- 2014-06-27 CN CN201420349034.7U patent/CN204012215U/en active Active
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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 NORTHEAST Free format text: FORMER NAME: NORTHEASTERN ELECTRIC POWER DESIGN INSTITUTE, CHINA POWER ENGINEERING CONSULTING GROUPCORPORATION |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 130021 Jilin City, Changchun province people's street, No. 4368 Patentee after: Co., Ltd of Northeastern Electric Power Design Institute, China Power Engineering Consulting Group Corporation Address before: 130021 Jilin City, Changchun province people's street, No. 4368 Patentee before: Northeastern Electric Power Design Institute, China Power Engineering Consulting Group Corporation |