CN105790421A - Arrangement structure of same-tower double-loop line series reactor - Google Patents
Arrangement structure of same-tower double-loop line series reactor Download PDFInfo
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- CN105790421A CN105790421A CN201610234960.3A CN201610234960A CN105790421A CN 105790421 A CN105790421 A CN 105790421A CN 201610234960 A CN201610234960 A CN 201610234960A CN 105790421 A CN105790421 A CN 105790421A
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- current
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- power supply
- supply circuit
- arrangement
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/02—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which an auxiliary distribution system and its associated lamps are brought into service
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses an arrangement structure of a same-tower double-loop line series reactor. The arrangement structure comprises a first power supply loop and a second power supply loop which are independent of each other and parallelly arranged, wherein the first power supply loop and the second power supply loop each comprises three power supply branch circuits and three current-limiting devices, the three current-limiting devices are serially connected to the three power supply branch circuits in one-to-one correspondence, and the three current-limiting devices are arranged abreast along the extending direction of the first power supply loop or the second power supply loop. The arrangement structure ensures that the three current-limiting devices are arranged abreast along the extending direction of the first power supply loop or the second power supply loop, and can reduce the arrangement width of the same-tower double-loop line maximally, thereby reducing occupied area of a power supply line network, and saving construction land and construction cost.
Description
Technical field
The present invention relates to high-tension line arrangement technical field, especially relate to the arrangement of a kind of multiple-circuit on same tower current-limiting reactor.
Background technology
Along with the increase of power system scale, grid short circuit level is continuously increased, Step wise approximation and exceed circuit breaker interrupting capacity.For limiting short-circuit current, avoid changing in a large number chopper, except adopting high impedance device, adjusting network topology structure, current-limiting reactor is not while changing network structure, both can balanced circuit towards stream, can effectively control again short circuit current, and easy and simple to handle, it is the new technique of a great application prospect.
More existing successful application examples in series connection current-limiting reactor supergrid at home and abroad.The example of external specialized application current-limiting reactor restriction supergrid short circuit current is relatively fewer, and major part is mainly to consider that load disturbance takes into account limiting short-circuit current simultaneously.The case history of 330kV and system above limiting short-circuit current mainly has the Tucurui engineering of Brazil, Brazil's Furnas engineering and Australia's MetroGrid330kV system etc..The operation engineering of domestic application current-limiting reactor restriction supergrid short circuit current has Shanghai Si Jing to yellow branch-cut bridge road, Cong Jiang most valuable treasure wire arrangement road, Guangdong.
In existing a kind of 500kV multiple-circuit on same tower current-limiting reactor arrangement, go here and there anti-intervals and adopt three-phases to form a team side-by-side parallel arrangement for usual two, configure 2 Pin inverted Y-shaped column frameworks for supporting the line after circuit Xie Kou.Being sequentially arranged spark gap, isolation switch, reactor and coupling capacitor, isolation switch and spark gap etc. along circuit outlet trend, reactor is formed around non magnetic fence simultaneously.The shortcoming of this arrangement is in that the transverse direction of circuit accounts for wider than greatly, thus can take excessive construction area, can increase difficulty of construction and construction cost, not economy, environmental protection.For solving above-mentioned technical problem, by being spaced on circuit outlet direction adopting three-phase and form a team dislocation arrangement two strings being anti-, 3 Pin frameworks need to be configured for the line after circuit Xie Kou.But the adjacent edge phase equipment that above-mentioned arrangement there is problems of two anti-intervals of string is positioned under another loop line roadside phase line row, when an anti-spacing devices interruption maintenance of string, another loop line road need to have a power failure simultaneously.
Summary of the invention
Based on this, the invention reside in the defect overcoming prior art, it is provided that the arrangement of a kind of multiple-circuit on same tower current-limiting reactor, reduce the layout width of supply line, thus reducing the floor space of gauze, save land used, and its structure is simplified, reliable operation.
The object of the present invention is achieved like this:
A kind of arrangement of multiple-circuit on same tower current-limiting reactor, the first current supply circuit and the second current supply circuit including separate layout, described first current supply circuit and described second current supply circuit all include three power supply branch roads and three current-limiting apparatus, three described current-limiting apparatus are connected in series in three described power supply branch roads respectively correspondingly, and three described current-limiting apparatus are arranged side by side along the bearing of trend of described first current supply circuit or described second current supply circuit.
Further below technical scheme is illustrated:
Further, described current-limiting apparatus includes coupling capacitor and at least two reactors, and two described reactors are sequentially connected in series in described power supply branch road, and described coupling capacitor and two described reactors are all connected in parallel.
Further, also including protection enclosing part, described protection enclosing part has installation region, and described current-limiting apparatus is arranged in described installation region.
Further, also including isolating device, described isolating device includes at least two separator, and two described separators are connected in series on described power supply branch road and are positioned at the both sides of described current-limiting apparatus.
Further, also including at least one spark gap, described spark gap is connected in parallel in described power supply branch road.
Further, also including multiple insulating part, multiple described insulating parts may be contained within described power supply branch road and lay respectively at the both sides of described current-limiting apparatus.
Further, also including access path, described access path is positioned between described first current supply circuit and described second current supply circuit.
Further, also include a plurality of maintenance channel, a plurality of described maintenance channel all with described access path interlaced arrangement and connecting.
Further, also include multiple for supporting described first current supply circuit and the framework of described second current supply circuit, and multiple described framework is all arranged along the direction being perpendicular to described first current supply circuit and described second current supply circuit.
Further, also including service chamber, described service chamber is arranged on described first current supply circuit or described second current supply circuit and is located close to the position of described access path.
The beneficial effects of the present invention is:
1) in the arrangement of above-mentioned multiple-circuit on same tower current-limiting reactor, described first current supply circuit and described second current supply circuit all include three power supply branch roads and three current-limiting apparatus, wherein, by three described current-limiting apparatus are connected in three power supply branch roads, and ensure that three described current-limiting apparatus are arranged side by side along the bearing of trend of described first current supply circuit or described second current supply circuit, can farthest reduce the layout width of this multiple-circuit on same tower, thus the floor space of this power supply gauze, save construction land tenure and construction cost.
2) in addition, described first current supply circuit and described second current supply circuit are for being arranged parallel to and Liang Tiao supply line independent of each other, when a wherein supply line go wrong need interruption maintenance time, another supply line still can normal operation, so may insure that the good economic benefit that gauze runs, it is ensured that people produce, life be normally carried out.
Accompanying drawing explanation
Fig. 1 is the structural representation of the arrangement of the multiple-circuit on same tower current-limiting reactor described in the embodiment of the present invention.
Description of reference numerals:
100, the first current supply circuit, the 200, second current supply circuit, 300, power supply branch road, 400, current-limiting apparatus, 420, coupling capacitor, 440, reactor, 500, protection enclosing part, 520, installation region, 600, isolating device, 620, separator, 700, spark gap, 800, insulating part, 900a, access path, 900b, maintenance channel, 900c, framework, 900d, service chamber.
Detailed description of the invention
Below embodiments of the invention are described in detail:
As shown in Figure 1, a kind of multiple-circuit on same tower current-limiting reactor 440 arrangement, it is characterized in that, the first current supply circuit 100 and the second current supply circuit 200 including separate layout, described first current supply circuit 100 and described second current supply circuit 200 all include three power supply branch roads 300 and three current-limiting apparatus 400, three described current-limiting apparatus 400 are connected in series in three described power supply branch roads 300 respectively correspondingly, and three described current-limiting apparatus 400 are arranged side by side along the bearing of trend of described first current supply circuit 100 or described second current supply circuit 200.
Wherein, described current-limiting apparatus 400 is mainly used in being effectively reduced the short circuit current level of system, reduces the short circuit current tolerance level of equipment, thus improving the service life of power supply gauze.Article three, described power supply branch road 300 corresponds respectively to described first current supply circuit 100 or the three-phase of described second current supply circuit 200, the described current-limiting apparatus 400 that is all installed in series in each phase branch road may insure that and is effectively reduced short circuit current level, simultaneously, ensure that three described current-limiting apparatus 400 are arranged side by side along the bearing of trend of described first current supply circuit 100 or described second current supply circuit 200, namely three described current-limiting apparatus 400 are parallel to each other and arrange in " yi word pattern ", described first current supply circuit 100 and described second current supply circuit 200 thus can be made minimum at the transverse width being perpendicular on bearing of trend, thus reducing the floor space of circuit to the full extent, save land used, the construction cost simultaneously making construction reduces.
Further, above-mentioned multiple-circuit on same tower current-limiting reactor 440 arrangement also includes multiple for supporting described first current supply circuit 100 and the framework 900c of described second current supply circuit 200, and multiple described framework 900c all arranges along the direction being perpendicular to described first current supply circuit 100 and described second current supply circuit 200.Described framework 900c is the framework in high-tension line, and this framework is fixed on power transmission tower and across described first current supply circuit or described second current supply circuit 200 so that electric wire to play firm supporting role.And preferred, multiple framework can be evenly arranged with suitable spacing according to the characteristic of different supply lines, it is to avoid the spacing of adjacent two frameworks is excessive, causes that electric wire is sagging seriously, affects its service life.
Described current-limiting apparatus 400 includes coupling capacitor 420 and at least two reactors 440, and two described reactors 440 are sequentially connected in series in described power supply branch road 300, and described coupling capacitor 420 and two described reactors 440 are all connected in parallel.
Wherein, described current-limiting apparatus 400 includes at least two reactors being connected in series 440, and these two reactors 440 are connected in described power supply branch road 300, can in a disguised form increase the distance of transmission line of electricity, increase line impedance, it is thus possible to limit the short circuit current by this circuit preferably, improve the tolerance level of transmission facility.Additionally, be connected in parallel described coupling capacitor 420 at the two ends of two described reactors 440, it can be ensured that when circuit generation earth fault, effectively reduce line-breaker and cut-off the transient recovery voltage of initial stage fracture, so that it is guaranteed that cut-offfing of line-breaker is reliable.
Further, the arrangement of above-mentioned multiple-circuit on same tower current-limiting reactor 440 also includes protection enclosing part 500, and described protection enclosing part 500 has installation region 520, and described current-limiting apparatus 400 is arranged in described installation region 520.Described protection enclosing part 500 is non magnetic fence, the magnetic field isolation produced when reactor 440 can be worked by this non magnetic fence, avoid this magnetic field that other transmission facilities or staff are had undesirable effect, cause that other equipment cannot normal operation or affect the healthy of staff.
In addition, the arrangement of above-mentioned multiple-circuit on same tower current-limiting reactor 440 also includes isolating device 600, described isolating device 600 includes at least two separator 620, and two described separators 620 are connected in series on described power supply branch road 300 and are positioned at the both sides of described current-limiting apparatus 400.Above-mentioned separator 620 is isolation switch, is commonly called as disconnecting link, it is possible to better carry out circuit deciliter, change circuit and connect, or make circuit or equipment and isolated from power when line failure needs and overhauls, this isolator operation is convenient, reliability is high.Also including at least one spark gap, described spark gap is connected in series in described power supply branch road 300.Described power supply branch road 300 is connected in parallel described spark gap, it is possible to make transmission facility avoid suffering lightning strikes, it is ensured that the work safety of transmission facility.
Further, the arrangement of above-mentioned multiple-circuit on same tower current-limiting reactor 440 also includes multiple insulating part 800, and multiple described insulating parts 800 may be contained within described power supply branch road 300 and lay respectively at the both sides of described current-limiting apparatus 400.Wherein, described insulating part 800 is support insulator, generally by glass, silica gel or ceramic making, has good mechanical strength and good dispersion.Multiple support insulators are installed in described power supply branch road 300, it is possible to the distance connection wire of equipment room is played good supporting role.
The arrangement of above-mentioned multiple-circuit on same tower current-limiting reactor 440 also includes access path 900a, described access path 900a and is positioned between described first current supply circuit 100 and described second current supply circuit 200.Also include a plurality of maintenance channel 900b, a plurality of described maintenance channel 900b all with described access path 900a interlaced arrangement and connecting.
Arrangement at above-mentioned multiple-circuit on same tower current-limiting reactor 440 passes through to arrange described access path 900a and described maintenance channel 900b, can so that transmission line of electricity be regularly carried out care and maintenance by staff, simultaneously when line failure, also allow for keeping in repair, improve work convenience and the effectiveness of staff.It addition, also include service chamber 900d, described service chamber 900d is arranged on described first current supply circuit 100 or described second current supply circuit 200 and is located close to the position of described access path 900a.By arranging described service chamber 900d, when staff carries out maintenance or the maintenance of transmission line of electricity, it is simple to provide supply socket with power supply for repair apparatus, thus improving the convenience of service work.Preferably, described service chamber 900d is installed on described access path 900a and the junction of described maintenance channel 900b, when carrying out overhauling and safeguarding, it is possible to improve the work efficiency of staff.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics is absent from contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. the arrangement of a multiple-circuit on same tower current-limiting reactor, it is characterized in that, the first current supply circuit and the second current supply circuit including separate layout, described first current supply circuit and described second current supply circuit all include three power supply branch roads and three current-limiting apparatus, three described current-limiting apparatus are connected in series in three described power supply branch roads respectively correspondingly, and three described current-limiting apparatus are arranged side by side along the bearing of trend of described first current supply circuit or described second current supply circuit.
2. the arrangement of multiple-circuit on same tower current-limiting reactor according to claim 1, it is characterized in that, described current-limiting apparatus includes coupling capacitor and at least two reactors, two described reactors are sequentially connected in series in described power supply branch road, and described coupling capacitor and two described reactors are all connected in parallel.
3. the arrangement of multiple-circuit on same tower current-limiting reactor according to claim 1, it is characterised in that also including protection enclosing part, described protection enclosing part has installation region, and described current-limiting apparatus is arranged in described installation region.
4. the arrangement of multiple-circuit on same tower current-limiting reactor according to claim 1, it is characterized in that, also including isolating device, described isolating device includes at least two separator, and two described separators are connected in series on described power supply branch road and are positioned at the both sides of described current-limiting apparatus.
5. the arrangement of multiple-circuit on same tower current-limiting reactor according to claim 1, it is characterised in that also include at least one spark gap, described spark gap is connected in parallel in described power supply branch road.
6. the arrangement of multiple-circuit on same tower current-limiting reactor according to claim 1, it is characterised in that also include multiple insulating part, multiple described insulating parts may be contained within described power supply branch road and lay respectively at the both sides of described current-limiting apparatus.
7. the arrangement of multiple-circuit on same tower current-limiting reactor according to claim 1, it is characterised in that also include access path, described access path is positioned between described first current supply circuit and described second current supply circuit.
8. the arrangement of multiple-circuit on same tower current-limiting reactor according to claim 7, it is characterised in that also include a plurality of maintenance channel, a plurality of described maintenance channel all with described access path interlaced arrangement and connecting.
9. the arrangement of multiple-circuit on same tower current-limiting reactor according to claim 1, it is characterized in that, also include multiple for supporting described first current supply circuit and the framework of described second current supply circuit, and multiple described framework is all arranged along the direction being perpendicular to described first current supply circuit and described second current supply circuit.
10. the arrangement of multiple-circuit on same tower current-limiting reactor according to claim 7, it is characterized in that, also including service chamber, described service chamber is arranged on described first current supply circuit or described second current supply circuit and is located close to the position of described access path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610234960.3A CN105790421A (en) | 2016-04-13 | 2016-04-13 | Arrangement structure of same-tower double-loop line series reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610234960.3A CN105790421A (en) | 2016-04-13 | 2016-04-13 | Arrangement structure of same-tower double-loop line series reactor |
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| CN105790421A true CN105790421A (en) | 2016-07-20 |
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| CN201610234960.3A Pending CN105790421A (en) | 2016-04-13 | 2016-04-13 | Arrangement structure of same-tower double-loop line series reactor |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545233A (en) * | 2010-12-13 | 2012-07-04 | 河南省电力勘测设计院 | Compact type parallel capacitor complete equipment |
| CN105207180A (en) * | 2015-09-15 | 2015-12-30 | 国家电网公司 | Method utilizing reactors connected in series for achieving all-line current quick break protection of distributing lines |
| CN205583827U (en) * | 2016-04-13 | 2016-09-14 | 中国能源建设集团广东省电力设计研究院有限公司 | Arrangement structure with two loop line way series reactor of tower |
-
2016
- 2016-04-13 CN CN201610234960.3A patent/CN105790421A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545233A (en) * | 2010-12-13 | 2012-07-04 | 河南省电力勘测设计院 | Compact type parallel capacitor complete equipment |
| CN105207180A (en) * | 2015-09-15 | 2015-12-30 | 国家电网公司 | Method utilizing reactors connected in series for achieving all-line current quick break protection of distributing lines |
| CN205583827U (en) * | 2016-04-13 | 2016-09-14 | 中国能源建设集团广东省电力设计研究院有限公司 | Arrangement structure with two loop line way series reactor of tower |
Non-Patent Citations (3)
| Title |
|---|
| 尹元明 等: "500kV线路安装串联电抗器后断路器TRV分析", 《江苏电机工程》 * |
| 庄侃沁 等: "采用串联电抗器限制500kV短路电流在华东电网的应用", 《华东电力》 * |
| 殷可 等: "应用串联电抗器限制500kV短路电流分析", 《华东电力》 * |
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Application publication date: 20160720 |
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