CN202384643U - Optimizing-arranged 500 kV alternating current filter - Google Patents
Optimizing-arranged 500 kV alternating current filter Download PDFInfo
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- CN202384643U CN202384643U CN2011205246599U CN201120524659U CN202384643U CN 202384643 U CN202384643 U CN 202384643U CN 2011205246599 U CN2011205246599 U CN 2011205246599U CN 201120524659 U CN201120524659 U CN 201120524659U CN 202384643 U CN202384643 U CN 202384643U
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- alternating current
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Abstract
Disclosed is an optimizing-arranged 500 kV alternating current filter. A group of crossover lines distributed along a longitudinal direction on a transformer substation serves as a large group bus; filter bank gap is arranged below the large group bus along the direction of the large group bus; and a global interpreter lock (GIL) pipeline bus is guided to a framework at the end portion of the large group bus and connected with the large group bus through a down lead. As the technical scheme is utilized, the optimizing-arranged 500 kV alternating current filter has the advantages that an alternating current processing field area is composed by parallel arrangement of a plurality of filter banks, the arrangement is tide and clear, the haplotype is strong, and the technological process is smooth; large group bus functions are achieved through an upper crossover line, the area used for arranging the bus is saved, and floor area is substantially saved; the GIL bus is only needed to be guided to the nearby end portion of the crossover line, and usage is greatly reduced; double layer crossover lines are avoided, the framework type is simple, and the steel usage is small; and the project has high adaptability, and the filter is suitable for large filter banks or small filter banks in an add or even number.
Description
Technical field
The utility model relates to a kind of arrangement of 500kV alternating current filter.
Background technology
According to system's reactive balance with satisfy the requirement of current conversion station AC side harmonic wave, be provided with alternating current filter group and Shunt Capacitor Unit in the current conversion station, be ± one of important part in the 500kV current conversion station.
The ac filter place accounts for 30%～40% of whole current conversion station place.Therefore, the layout optimization in ac filter place with the size that directly influences the current conversion station general layout, and is related to many engineering key elements such as construction investment, equipment and personal security, operation maintenance.Therefore; Should reasonably arrange and be optimized and study the filtering place;, smooth process flow clear according to arranging, operation and maintenance be convenient, reduce the noise pollution of taking up an area of, reducing the station district as far as possible, and be little to surrounding environment influence, and the basic principle of each power distribution equipment cooperation of being convenient to stand is entirely carried out.This has important project and is worth and Research Significance for reducing the total floor space of ultra high voltage current conversion station, practice thrift investment, ensureing carrying out smoothly of extra-high voltage direct-current engineering.
In existing arrangement, " one " font, sphere of movements for the elephants type are arranged, improve sphere of movements for the elephants type I, improve four kinds of schemes of sphere of movements for the elephants shape II.
(1) as shown in Figure 1, the basic characteristics that " one " font is arranged are that the circuit breaker single-column type is arranged, each group arranged side by side is arranged in a side of bus in the big group.Maintenance, carrying are set before and after the alternating current filter group fence, make an inspection tour road, 500kV power distribution equipment equipment room is provided with alternate road.
Big group bus should adopt column pipe female, and group's bus isolating switch adopts the single-column vertical opening type, and phase-splitting is arranged in the bus below, can effectively compress longitudinal size.
Advantage: it is clear to arrange, operation maintenance is comparatively convenient; Engineering adaptability is strong, and organizing number greatly is that odd number or even number are all applicable, and group's number is that odd number or even number all can use.
Shortcoming: utilization of area is abundant inadequately, and whole floor space is big; The consumption of GIL is more, and cost is higher.
(2) as shown in Figure 2, the basic characteristics of sphere of movements for the elephants type are that the circuit breaker double-row type is arranged, 4 groups are arranged in the separation both sides of group bus rod greatly in the big group, constitute a sphere of movements for the elephants.Maintenance, carrying are set before and after alternating current filter and the shunt capacitor group fence, make an inspection tour road, 500kV power distribution equipment equipment room is provided with alternate road.
Big group bus adopts soft cross-line form, can reduce the insulator string consumption in a large number.Through at group's bus isolating switch bus bar side installing ground cutter, can save independently bus isolating switch.Utilize bus-bar potential transformer to draw the transition that connects and support the quantity that to practice thrift supporting insulator as bus.
Advantage: followed that " one " font is arranged neatly, characteristics clearly; Through the bus rod biserial is shared, the mode of taking apportion to arrange to alternating current filter group and Shunt Capacitor Unit simultaneously makes that station district utilization of area is more abundant, and " one " font decreases.
The problem that exists: the GIL inlet wire of the big group of part need be deeply inner to the filtering field, and consumption is too much; According to the layout feature of matrix pattern, group's filter of bus both sides positioned opposite or capacitor all should insert same big group, and be therefore suitable when filter group number is even number, otherwise floor space is bigger, and land utilization ratio is lower; Compare with improving sphere of movements for the elephants shape or " string " font layout, it is excessive that the floor space that conventional matrix pattern is arranged still shows.
(3) as shown in Figure 3, improvement sphere of movements for the elephants type I is arranged in conventional matrix pattern layout and in-line is arranged upward optimization of basis.
Big group bus rod similar " " font arranges that adopts 2 bus rods to be arranged in parallel, these 2 bus rods are high-rise cross-line (different with " one " font), draws the filter group that is connected to, the outlet of realization bilateral through the low layer cross-line of arranged crosswise with it.The similar sphere of movements for the elephants shape of the arrangement of group's filter arranges that 4 groups in every big group are arranged in the both sides of big group of bus rod, constitute sphere of movements for the elephants.
Compare with the routine layout, the advantage of improving sphere of movements for the elephants shape layout is following:
1) big group of GIL pipeline of filter bus need not inside, productive discussions field, and more conventional sphere of movements for the elephants shape arranges and reduced the GIL consumption that conventional " one " font is also practiced thrift to some extent.
2) the high and low bus of striding all is positioned at the power distribution equipment top, has saved the shared place of bus, has significantly practiced thrift filter field floor space.
3) solve the lightning protection problem of ac filter field through lightning-arrest terminal is set on the framework, can save the lightning-arrest terminal of a row middle in the sphere of movements for the elephants shape layout.
4) this arrangement all can be suitable for for the combination of odd number group in big group of the alternating current filter and even number group.
(4) as shown in Figure 4, it is identical with integral layout with the basic mentality of designing of improvement matrix pattern I to improve matrix pattern arrangement II, and difference is the following aspects:
1) improving sphere of movements for the elephants shape scheme II has adopted a three pillar type isolating switch to replace original 2 single-columns, vertical open-type isolating switch.
2) " the low layer bus " that improve sphere of movements for the elephants shape scheme II adopts flexible conductor, is different from " the low layer bus " that improve matrix pattern scheme 1 and adopts tube type bus.
That 3) improves sphere of movements for the elephants shape scheme II is arranged with 2 maintenance roads at two big group alternating current filter buses, improves " field " font scheme I be arranged with 1 maintenance road at two big group alternating current filter buses.Its shortcoming is:
When 1) filter group has a power failure, do not possess the condition of maintenance group isolating switch;
2) lightning arrester that can arrange and ground connection cutter are arranged negligible amounts, position underaction;
3) the only suitable alternating current filter group of this arrangement quantity is the situation of even number.
Summary of the invention
The purpose of the utility model provides the little 500kV alternating current filter of a kind of floor space.
For realizing technique scheme, the utility model adopts following technical scheme:
The utility model transformer station arranges that longitudinally one group of cross-line is as big group bus; Bank of filters is arranged in big group of bus below along big group generatrix direction at interval; GIL pipeline bus causes the framework place of big group of bus end, links to each other with big group of bus through downlead.
Road is set front and back at interval in bank of filters.
Adopt the utility model of technique scheme, have the following advantages:
1) the ac filter field is arranged in parallel by some bank of filters and constitutes, and it is neatly clear to arrange, unit is strong, smooth process flow.
2) realize big group bus function through last cross-line, practiced thrift the busbar arrangement place, significantly practiced thrift floor space.
3) the GIL bus only need cause the cross-line end nearby, and consumption greatly reduces.
4) avoided double-deck cross-line, and the framework pattern is simple, steel using amount is few.
5) engineering adaptability is strong, no matter big group of number or group's number is respectively odd number or even number is all applicable.
Description of drawings
Fig. 1 is ac filter field " " font floor plan.
Fig. 2 is an ac filter field sphere of movements for the elephants type floor plan.
Fig. 3 improves sphere of movements for the elephants type I floor plan for the ac filter field.
Fig. 4 improves sphere of movements for the elephants type II floor plan for the ac filter field.
Fig. 5 is the floor plan of the utility model " string " font.
Embodiment
As shown in Figure 5, the utility model arranges vertically that along transformer station one group of cross-line is as big group bus 1; Bank of filters 2 is arranged in big group of bus 1 below along big group bus 1 direction at interval, and group's inlet wire isolating switch is connected with wire jumper below framework; GIL pipeline bus 3 causes framework place, big group of bus 1 end, links to each other with big group of bus 1 through downlead.
Road is set front and back at interval in bank of filters, equipment room is provided with local alternate road at interval, as transporting, overhaul and making an inspection tour road, according to the configuration needs, bus equipment is arranged between group's rear side fence and the road.
Claims (2)
1. the 500kV alternating current filter of a preferred arrangement is characterized in that: transformer station arranges that longitudinally one group of cross-line is as big group bus (1); Bank of filters (2) is arranged in big group of bus below along big group bus (1) direction at interval; GIL pipeline bus (3) causes the framework place of big group of bus (1) end, links to each other with big group bus (1) through downlead.
2. the 500kV alternating current filter of preferred arrangement according to claim 1 is characterized in that: road is set front and back at interval in bank of filters (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205246599U CN202384643U (en) | 2011-12-15 | 2011-12-15 | Optimizing-arranged 500 kV alternating current filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205246599U CN202384643U (en) | 2011-12-15 | 2011-12-15 | Optimizing-arranged 500 kV alternating current filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202384643U true CN202384643U (en) | 2012-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205246599U Expired - Fee Related CN202384643U (en) | 2011-12-15 | 2011-12-15 | Optimizing-arranged 500 kV alternating current filter |
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| CN (1) | CN202384643U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983511A (en) * | 2012-11-15 | 2013-03-20 | 中国电力工程顾问集团东北电力设计院 | Laminated power distribution unit of transformer substation |
| CN104242126A (en) * | 2014-09-29 | 2014-12-24 | 中国电力工程顾问集团中南电力设计院 | High-voltage direct-current converter station alternating-current filter field layout method |
-
2011
- 2011-12-15 CN CN2011205246599U patent/CN202384643U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983511A (en) * | 2012-11-15 | 2013-03-20 | 中国电力工程顾问集团东北电力设计院 | Laminated power distribution unit of transformer substation |
| CN104242126A (en) * | 2014-09-29 | 2014-12-24 | 中国电力工程顾问集团中南电力设计院 | High-voltage direct-current converter station alternating-current filter field layout method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20131215 |