CN212085435U - Alternating current filter field arrangement structure with optimized arrangement - Google Patents
Alternating current filter field arrangement structure with optimized arrangement Download PDFInfo
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- CN212085435U CN212085435U CN202020843181.5U CN202020843181U CN212085435U CN 212085435 U CN212085435 U CN 212085435U CN 202020843181 U CN202020843181 U CN 202020843181U CN 212085435 U CN212085435 U CN 212085435U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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Abstract
The utility model relates to an AC distribution network technical field, the utility model discloses an optimize AC filter field arrangement structure of arranging, the regional distribution device of AC filter adopts double-deck wire form to arrange, and the upper strata includes the first big group generating line of AC filter and the big group generating line of AC filter second, and the lower floor includes AC filter group generating line, and AC filter group generating line is through leading off line and the first big group generating line connection of AC filter. The filter power distribution device is connected with the alternating current filter group bus through a down lead, and the alternating current filter group and the parallel capacitor group are connected with the filter power distribution device through equipment connecting wires. The utility model discloses optimized the equipment lectotype, adopted the three-column type to share static contact isolator, improved arrangement structure, shortened two big group's generating line framework length of improvement "field" font to merge into two rows of frameworks and arrange with one row, the big group's inlet wire of alternating current filter second passes through GIS equipment and stretches into alternating current filter place central authorities and the big group's generating line of second and is connected.
Description
Technical Field
The utility model relates to an exchange distribution network technical field, especially relate to an alternating current filter field arrangement structure who optimizes the arrangement.
Background
According to the requirements of reactive power balance and AC side harmonic suppression of a system, a plurality of groups of AC filter banks and parallel capacitor banks are arranged in the ultrahigh voltage converter station, and are one of important components in the +/-800 kV ultrahigh voltage converter station, and the AC filter field accounts for about 30-40% of the whole converter station field. The arrangement of the alternating current filtering field directly influences the size of the total planar arrangement of the converter station and is related to a plurality of engineering key factors such as engineering investment, equipment and personnel safety, operation and maintenance and the like. Therefore, the method reasonably optimizes and researches the field arrangement of the filter, and has very important engineering value and research significance for reducing the total floor area of the extra-high voltage converter station, saving investment and ensuring the smooth development of extra-high voltage direct current engineering.
The ac filter field generally has an arrangement structure of a line shape, a field shape, an improved field shape, and the like.
The case of the existing arrangement is as follows:
(1) the 'I' shaped arrangement is basically characterized in that the circuit breakers are arranged in a single row, and all the parallel small groups in the large group are arranged on one side of the bus. The device has the advantages of clear arrangement and convenient operation and maintenance; the engineering adaptability is strong, and the small group number is odd or even. However, the longitudinal length of the fence is different when the filter groups are different in form, and the longitudinal size is determined by the larger filter group, so that the I-shaped fence has the main defects of insufficient field utilization and large integral occupied area.
(2) The basic characteristic of the shape of the 'field' is that the circuit breakers are arranged in a double-row mode, and each small group in the large group is arranged on two sides of a separated large group bus bar to form the shape of the 'field'. The bus-bar double-row sharing type parallel capacitor bank has the advantages that bus bars are shared in double rows, and meanwhile, the alternating current filter bank and the parallel capacitor bank are arranged in a row-by-row mode, so that the station area is more fully utilized, and the occupied area is reduced to a certain extent compared with a linear mode. The scheme is most suitable for the case that the small group number of the filter is even, and the field utilization rate is not high when the small group number of the filter is odd.
(3) Improved Chinese character 'tian' shape
The improved ' tian ' -shaped arrangement structure is optimized on the basis of the ' tian ' -shaped and ' straight-shaped arrangement structures. According to the structure, double-layer buses are arranged under each framework, an upper layer incoming wire serves as a large group of buses and parallelly extends into an alternating current filter area, a lower layer adopts a suspended pipe bus as a group contact bus, and a filter group adopts a single-contact isolating switch or a common-static contact isolating switch. The floor area of the scheme is smaller than that of a 'tian' -shaped or a 'straight' -shaped arrangement structure. However, 2 groups of filter large group incoming lines are horizontally arranged side by side in the structure, 2 groups of frameworks need to be arranged in a matched mode, and the occupied area is still large.
Disclosure of Invention
In order to solve the problem, the utility model provides an alternating current filter field arrangement structure who optimizes the arrangement combines filter distribution device and place to arrange characteristics, and the optimization equipment lectotype optimizes alternating current filter distribution device arrangement structure, has better improved the place utilization ratio, has practiced thrift area. The utility model discloses shortened the first big group's of alternating current filter bus-bar framework and the big group's of alternating current filter bus-bar framework length of alternating current filter second of improving "field" font to merge two rows of frameworks into and arrange with one row.
The utility model discloses an alternating current filter field arrangement structure with optimized arrangement, an alternating current filter area power distribution device adopts a double-layer wire form arrangement, and the upper layer comprises a first main group bus of the alternating current filter and a second main group bus of the alternating current filter; the lower layer comprises an alternating current filter group bus; the alternating current filter small group bus is connected with the alternating current filter first large group bus through a down lead.
Furthermore, the filter power distribution device is connected with the alternating current filter subgroup bus through the down lead, and the alternating current filter subgroup and the parallel capacitor subgroup are connected with the filter power distribution device through equipment connecting wires.
Further, the alternating current filter field arrangement structure further comprises a first large group incoming line of the alternating current filter close to the power supply side and a second large group incoming line of the alternating current filter far away from the power supply side; the first large group of incoming lines of the alternating current filter are arranged at the end part of an alternating current filter field and are connected with the first large group of buses of the alternating current filter through the equipment connecting line and the down lead; and the GIS equipment of the second large group of incoming lines of the alternating current filter stretches into the center of the field of the alternating current filter, and then the equipment connecting lines and the downlead are connected with the second large group of buses of the alternating current filter.
Furthermore, the two alternating current filter groups share a group of double-grounded three-column type common static contact isolating switches, and share a section of alternating current filter group bus.
Furthermore, GIS equipment of a second large group of incoming lines of the alternating current filter is arranged between the tank type circuit breaker and the three-column type common static contact type isolating switch.
Furthermore, the first large group of buses of the alternating current filter and the second large group of buses of the alternating current filter adopt flexible conductors.
Furthermore, the bus of the alternating current filter group adopts a suspension pipe bus.
The beneficial effects of the utility model reside in that:
the utility model optimizes the equipment model selection and adopts a three-column type common static contact isolating switch; the arrangement structure is improved, the lengths of two groups of bus frameworks in the shape of the improved Chinese character tian are shortened, and two rows of frameworks are combined into the same row for arrangement; and the GIS equipment of the second large group of inlet wires of the alternating current filter is arranged between the tank type circuit breaker and the three-column type common static contact type isolating switch. The utility model discloses the structural arrangement is clear, and the operation maintenance is comparatively convenient. The utility model discloses a vertical size in ac filter place is than improving "field font" arrangement structure and is reduced 38m, the occupied area of the whole area is reduced by 6308m2The floor area is saved by 12 percent, the utilization rate of the field is improved, and the floor area and the engineering investment are saved.
Drawings
FIG. 1 is a schematic diagram of a modified "Tata" -shaped AC filter bank layout;
FIG. 2 is a cross-sectional view of an improved "Tata" -shaped AC filter bank;
FIG. 3 is a plan view of the novel improved AC filter bank of the present invention;
FIG. 4 is a cross-sectional view of the novel improved "tian" -shaped AC filter bank of the present invention;
FIG. 5 is a second cross-sectional view of the novel improved delta-shaped AC filter bank of the present invention;
reference numerals:
101-AC filter group, 102-parallel capacitor group, 201-earthing switch 1, 202-first tank type circuit breaker, 203-three-column type common static contact isolating switch, 204-second tank type circuit breaker, 205-earthing switch 2, 206-GIS equipment, 207-lightning arrester, 208-voltage transformer, 209-capacitor 1, 210-capacitor 2, 301-equipment connecting line, 302-down lead, 303-first large group bus of AC filter, 304-second large group bus of AC filter, 305-strain insulator string, 306-V-type insulator string, 307-first large group incoming line of AC filter, 308-second large group incoming line of AC filter, 309-bus of AC filter group, 401-first large group bus framework of AC filter, 402-ac filter second main set bus architecture;
G101-AC filter group, G102-parallel capacitor group, G201-grounding switch 1, G202-tank type circuit breaker 1, G203-double column type isolating switch 1, G204-double column type isolating switch 2, G205-tank type circuit breaker 2, G206-grounding switch 2, G207-GIS equipment, G208-lightning arrester, G209-voltage transformer, G210-capacitor 1, G211-capacitor 2, G301-equipment connecting wire, G302-down wire, G303-AC filter first group bus, G304-AC filter second group bus, G305-strain insulator string, G306-V type insulator string, G307-AC filter first group incoming wire, G308-AC filter second group incoming wire, G309-AC filter group bus, G401-AC filter first group bus framework, g402-ac filter second major group bus architecture.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, the embodiments of the present invention will be described. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Taking an alternating current filter field of an extra-high voltage converter station as an example, the converter station has 11 filter subgroups and 5 groups of parallel capacitors. If an improved 'field' -shaped arrangement structure is adopted, the improved 'field' -shaped arrangement structure comprises a G101-alternating current filter group, a G102-parallel capacitor group, a G201-grounding switch 1, a G202-tank type circuit breaker 1, a G203-double-column type isolating switch (single grounding) 1, a G204-double-column type isolating switch (single grounding) 2, a G205-tank type circuit breaker 2, a G206-grounding switch 2, G207-GIS equipment, a G208-lightning arrester, a G209-voltage transformer, a G210-capacitor 1, a G211-capacitor 2, a G301-equipment connecting wire, a G302-down lead, a G303-alternating current filter first large group bus, a G304-alternating current filter second large group bus, a G305-strain insulator string, a G306-V type insulator string, a G307-alternating current filter first large group incoming wire, a G308-alternating current filter second large group incoming wire, G309-AC filter subgroup bus, G401-AC filter first large group bus framework, and G402-AC filter second large group bus framework. The whole AC filter field is 166m (transverse) x314m (longitudinal), and the area occupation is 52124m2The plane layout and the cross-section layout are shown in FIGS. 1-2, respectively.
The utility model discloses an optimize on improving "field" font and arrange the basis and come, specifically optimize as follows:
(1) the utility model discloses shortened the first big group's of G401-AC filter generating line framework and the big group's of G402-AC filter generating line framework length of G402-AC filter second of improving "field" font to merge two rows of frameworks into and arrange with one row. The power distribution device in the AC filter area is arranged in a double-layer wire form, and the upper layer comprises a first large group of buses 303 of the AC filter and a second large group of buses 304 of the AC filter; the lower layer includes an ac filter subgroup bus 309; the ac filter subgrouping bus 309 is connected to the ac filter first main group bus 303 via the down conductor 302. The filter distributor is connected to an ac filter bank bus 309 via a down conductor 302, and the ac filter bank 101 and the parallel capacitor bank 102 are connected to the filter distributor via an equipment connection line 301. The ac filter group 101 and the parallel capacitor group 102 are electrically connected by connecting the respective stages from top to bottom.
(2) A first large group of incoming lines 307 of the alternating current filter close to the power supply side are arranged at the end part of an alternating current filter field and are connected with a first large group of buses 303 of the alternating current filter through an equipment connecting line 301 and a down lead 302; the GIS equipment 206 of the second main group incoming line 308 of the ac filter far from the power supply side extends into the center of the ac filter field, and is connected with the second main group bus 304 of the ac filter through the equipment connecting line 301 and the down lead 302.
(3) The utility model discloses optimized the equipment lectotype, changed 1 group's three-column type altogether static contact isolator 203 (two ground connection) into with the double column type isolator G203 (single ground connection) and the double column type isolator G204 (single ground connection) of original 2 alternating current filter subgroup G101, the utility model discloses a two exchange one section alternating current filter subgroup generating line 309 of filter subgroup 101 sharing.
(4) To further reduce the longitudinal dimension, GIS equipment 206(Gas Insulated Switchgear) of the second large set of ac filter lines 308 is arranged between the second tank breaker 204 and the three column common stationary contact isolator 203.
In a preferred embodiment of the present invention, the first main group bus 303 of the ac filter and the second main group bus 304 of the ac filter are flexible wires, and the small group bus 309 of the ac filter is a suspended pipe bus.
The utility model discloses an alternating current filter place is 166m (horizontal) x276m (vertical), and this regional occupation of land is 45816m2The plane layout is shown in FIG. 3, and the cross-sectional layout is shown in FIGS. 4 to 5.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the present invention is directed must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either a wired or wireless connection.
Claims (6)
1. An alternating current filter field arrangement structure with optimized arrangement is characterized in that an alternating current filter area power distribution device is arranged in a double-layer wire mode, the upper layer comprises a first large group of buses of an alternating current filter and a second large group of buses of the alternating current filter, and the lower layer comprises a small group of buses of the alternating current filter; the alternating current filter subgroup bus is connected with the first large group bus of the alternating current filter through a down lead; the filter power distribution device is connected with the alternating current filter subgroup bus through the down lead, and the alternating current filter subgroup and the parallel capacitor subgroup are connected with the filter power distribution device through equipment connecting wires;
and the second large group of incoming lines of the alternating current filter far away from the power supply side extend the GIS equipment into the center of the alternating current filter field from the end part of the alternating current filter field, and then the equipment connecting lines and the downlead are connected with the second large group of buses of the alternating current filter.
2. The ac filter field arrangement structure of claim 1, further comprising a first large group of incoming lines of the ac filter near the power supply side, wherein the first large group of incoming lines of the ac filter is arranged at the end of the ac filter field, and is connected to the first large group of bus bars of the ac filter through the equipment connection line and the down lead.
3. The ac filter field arrangement structure of claim 1, wherein two ac filter subgroups share a set of double-grounded three-column type common-static contact isolation switches, and share a segment of the ac filter subgroup bus.
4. An optimally arranged ac filter field arrangement structure according to claim 3, wherein the GIS equipment of the second large group of incoming lines of the ac filter is arranged between the tank circuit breaker and the three-column type common-fixed-contact type disconnecting switch.
5. An optimally arranged ac filter field arrangement structure as recited in claim 1, wherein said ac filter first and second large sets of busbars are flexible conductors.
6. The ac filter field arrangement for optimizing arrangement of claim 1, wherein the ac filter subgrouping bus employs a suspended tubular bus.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020843181.5U CN212085435U (en) | 2020-05-19 | 2020-05-19 | Alternating current filter field arrangement structure with optimized arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111613974A (en) * | 2020-05-19 | 2020-09-01 | 中国电力工程顾问集团西南电力设计院有限公司 | Alternating current filter field arrangement structure with optimized arrangement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111613974A (en) * | 2020-05-19 | 2020-09-01 | 中国电力工程顾问集团西南电力设计院有限公司 | Alternating current filter field arrangement structure with optimized arrangement |
| CN111613974B (en) * | 2020-05-19 | 2024-04-26 | 中国电力工程顾问集团西南电力设计院有限公司 | Alternating current filter field arrangement structure with optimized arrangement |
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