CN103594943A - Compact 35kV transformer substation - Google Patents
Compact 35kV transformer substation Download PDFInfo
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- CN103594943A CN103594943A CN201310566734.1A CN201310566734A CN103594943A CN 103594943 A CN103594943 A CN 103594943A CN 201310566734 A CN201310566734 A CN 201310566734A CN 103594943 A CN103594943 A CN 103594943A
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Abstract
The invention relates to a compact 35kV transformer substation. The compact 35kV transformer substation comprises a front framework and a rear framework, wherein the front framework is used for 35kV outgoing lines, the rear framework is used for 10kV outgoing lines, a single-circuit 35kV outgoing line is arranged on the front framework, at least one circuit of the 10kV outgoing lines is arranged on the rear framework, and a main transformer and a 10kV main bus are arranged between the front framework and the rear framework. According to the compact 35kV transformer substation, a system formed by the front framework and the rear framework is adopted for completing installation and arrangement of all the 35kV outgoing lines, all the 10kV outgoing lines, connecting lines, the bus and related equipment, construction and installation are quite convenient, and the construction period is shortened greatly.
Description
Technical field
The present invention relates to a kind of compact 35kV transformer station.
Background technology
Conventional 35kV Substation Design, mainly for 35kV steady load, there is development potentiality area.For the point load of being badly in need of power supply, such as sudden load increase and have uncertain load electricity consumption, the comparatively urgent electricity consumption region of electricity consumption requirement, and near remote countryside, mountain area etc., do not have transformer station's power supply point, total power load there is no to predict the point load situation of development prospect, prior art generally still adopts the power supply of conventional 35kV outdoor substation, usually occur due to long construction period cause power supply not in time, low load with strong power, equipment idle uneconomical ruuning situation for a long time.
Conventional 35kV outdoor substation, 35kV generally adopts aerial condutor form to send, and 10kV adopts cable form to send.35kV arranges main bus bar, and whole electric souffle is to being: 35kV outgoing line interval-35kV bus-main transformer-10kV switch cubicle-10kV outlet.Floor plan is provided with 35kV power distribution equipment district, main transformer district, 10kV distribution district.From 35kV inlet wire to 10kV circuit, send,--circuit single-phase potential transformer-isolating switch-circuit breaker-isolating switch-35kV bus--ten links of isolating switch--main transformer-10kV switch cubicle--10kV outlet that experience is by 35kV circuit, longitudinal size generally needs more than 40 meter, approximately 2.28 mu of floor spaces.Whole design need to be considered safe distance requirement between distinct device, device, service without power-off required distance, the requirement of vehicles while passing radius of turn, fire fighting passageway, fabricating yard etc. various situations, and Consideration is more, comparatively complicated.
Electrical main connecting wire aspect, 35kV adopts internal bridge, and 10kV adopts single-trunk segmental wiring.
Outlet scale aspect, 35kV outlet is 1～2 time, 10kV outlet is 4～8 times.
Power distribution equipment form, 35kV adopts outdoor open type to arrange, and 10kV adopts indoor layout.
Main equipment selection aspect, 35kV side adopts conventional outdoor equipment, as circuit breaker, isolating switch, voltage transformer; 10kV adopts switch cubicle (as Fig. 2 below part).
Conventional 35kV substation bus arrangement figure is shown in Fig. 1, and the electric general layout of conventional 35kV transformer station is shown in that Fig. 2, the conventional 35kV 35kV of transformer station outgoing line interval sectional drawing be shown in Fig. 3 (a), and 35kV master enters interval sectional drawing and sees Fig. 3 (b).In Fig. 1-Fig. 3, various structures and equipment are all used prior art, do not repeat them here.
Known in conjunction with introducing above, by conventional 35kV transformer station, for being badly in need of the point load of power supply, major defect is that design is complicated, the construction period is long, 10kV radius of electricity supply is excessive, and the stand-by period is long.And because wiring is complicated, outlet is larger, so occupation of land scale is large, expense is high, less economical, can not meet the requirement to power supply speed and quality of power supply aspect.
Summary of the invention
The object of this invention is to provide a kind of compact 35kV transformer station, in order to solve, conventional 35kV bus arrangement is complicated, floor space is large, and long construction period is not suitable for the problem of the situation power supplies such as point load of the urgent need power supply to introducing in background technology.
For achieving the above object, the solution of the present invention comprises:
A 35kV transformer station, comprises a front framework for 35kV outlet and a rear framework for 10kV outlet, and single time 35kV outlet is set on front framework, and at least one time 10kV outlet is set on rear framework; Between front framework and rear framework, be provided with main transformer and 10kV main bus bar; Between front framework and rear framework, be provided with the crossbeam that is parallel to 35kV outlet direction, on crossbeam, by insulator, described 10kV main bus bar be installed.
On rear framework, be provided with at least one backward outlet beam for 10kV outlet.
On rear framework, height is disposed with two backward outlet beams, and the backward outlet beam of top is provided with at least one cover for the 10kV automatic circuit of overhead outlet, and the backward outlet beam of below is provided with at least one cover for the 10kV automatic circuit of cable outlet.
Between front framework and rear framework, be provided with at least one side direction outlet beam.
The present invention adopts the system that framework forms after a front framework and, has completed whole outlets, connecting line and the bus of 35kV, 10kV and the installation of relevant device and has laid, and construction and installation are very convenient, greatly shortened construction period.Whole framework all adopts equipment on post, removes and installs also very conveniently, if point load position changes, can remove rapidly and select else location construction, and flexibility is strong, has further reduced cost.And owing to having compressed outlet scale, can adopt the more simple mode of connection, be not only convenient to design and construction and be also convenient to final-period management.
When disposing 10kV outlet, after can arranging, to outlet beam, side outlet beam can also be set between the framework of front and back on rear framework.
According to outlet type---overhead outlet and cable outlet, can many outlet beams be set correspondence, for the outlet beam of overhead outlet, be positioned at the outlet beam top for cable outlet, on outlet beam, automatic circuit is installed, topology layout is reasonable, has reduced floor space.
Accompanying drawing explanation
Fig. 1 is conventional 35kV substation bus arrangement figure;
Fig. 2 is the electric general layout of conventional 35kV transformer station;
Fig. 3 (a) is the conventional 35kV 35kV of transformer station outgoing line interval sectional drawing;
Fig. 3 (b) is that conventional 35kV master enters interval sectional drawing;
Fig. 4 is the structural representation of the embodiment of the present invention 1;
Fig. 5 is the structural representation of the embodiment of the present invention 2;
Fig. 6 is the electric hookup of embodiment 2;
Fig. 7 is the sectional drawing of embodiment 2;
Fig. 8 is the general layout of embodiment 2.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
A kind of compact 35kV transformer station as shown in Figure 4, comprises a front framework 1 for 35kV outlet and a rear framework 2 for 10kV outlet, and single time 35kV outlet 3 is set on front framework, and twice 10kV outlets are set on rear framework; Between front framework and rear framework, be provided with main transformer.Fig. 4 is schematic diagram, and main transformer, 10kV outlet and connecting line all do not draw.Between front framework and rear framework, be provided with the crossbeam 5 that is parallel to 35kV outlet direction, on crossbeam, by insulator, 10kV main bus bar 4 be installed.With beam structure, main bus bar is installed, framework before and after taking full advantage of.Before and after being arranged on, main transformer between framework, saves space.
On rear framework, height is provided with two backward outlet beams 61,62 successively, the backward outlet beam 61 of top is provided with two covers for the 10kV automatic circuit 71,72 of overhead outlet, and the backward outlet beam 62 of below is provided with two covers for the 10kV automatic circuit 81,82 of cable outlet.
For the consideration of different electric pressure guard spaces and cost, front framework is higher than rear framework.
Above embodiment has 10kV overhead outlet twice, as other execution mode, overhead outlet also can be only set one time; When only overhead outlet being set, only need a backward outlet beam.
As Fig. 5,6,7,8 is depicted as embodiment 2, difference is only that 10kV overhead outlet increases to four times by twice, the both sides that are arranged on cabling for twice that increase, if Fig. 5 is (for outstanding difference, Fig. 5 has omitted some structures and label with respect to Fig. 4), side direction outlet beam 91,92 has been installed between the framework of front and back, has been arranged on the below of crossbeam 5.Side direction outlet beam is identical with backward outlet girder construction, similar with backward outlet, and every side only needs a side direction outlet beam.
From Fig. 7, can obviously see the cover of two backward outlet beam automatic circuit, upper cover is overhead outlet, traps as cable outlet, and cable outlet also can be used as equipment such as connecting building-out capacitor and uses.
As can be seen from Figure 6, electrical main connecting wire aspect, 35 kilovolts adopt line-transformer-connection, and 10 kilovolts adopt single bus scheme.Outlet scale aspect, 35 kilovolts of outlets are 1 time, and 10 kilovolts of outlets are 4 times, make full use of station district and arrange, and effectively guaranteed capacity is sent distribution.Power distribution equipment form, adopts outdoor open type to arrange, avoids using the indoor layout switch cabinet outlet of conventional 35kV transformer station.As can be seen from Figure 7, main equipment selection aspect, 35 kilovolts of sides adopt vacuum circuit-breaker or on-load switch to add fuse; 10 kilovolts adopt automatic circuit on outdoor column.
Claims (4)
1. a compact 35kV transformer station, is characterized in that, comprises a front framework for 35kV outlet and a rear framework for 10kV outlet, and single time 35kV outlet is set on front framework, and at least one time 10kV outlet is set on rear framework; Between front framework and rear framework, be provided with main transformer and 10kV main bus bar; Between front framework and rear framework, be provided with the crossbeam that is parallel to 35kV outlet direction, on crossbeam, by insulator, described 10kV main bus bar be installed.
2. a kind of compact 35kV according to claim 1 transformer station, is characterized in that, is provided with at least one backward outlet beam for 10kV outlet on rear framework.
3. a kind of compact 35kV according to claim 2 transformer station, it is characterized in that, on rear framework, height is disposed with two backward outlet beams, the backward outlet beam of top is provided with at least one cover for the 10kV automatic circuit of overhead outlet, and the backward outlet beam of below is provided with at least one cover for the 10kV automatic circuit of cable outlet.
4. according to a kind of compact 35kV transformer station described in claim 2 or 3, it is characterized in that, between front framework and rear framework, be provided with at least one side direction outlet beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310566734.1A CN103594943B (en) | 2013-11-14 | 2013-11-14 | A kind of compact 35kV transformer station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310566734.1A CN103594943B (en) | 2013-11-14 | 2013-11-14 | A kind of compact 35kV transformer station |
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| Publication Number | Publication Date |
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| CN103594943A true CN103594943A (en) | 2014-02-19 |
| CN103594943B CN103594943B (en) | 2016-01-20 |
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| CN201310566734.1A Active CN103594943B (en) | 2013-11-14 | 2013-11-14 | A kind of compact 35kV transformer station |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1283887A (en) * | 1999-08-06 | 2001-02-14 | 仪征市供电局 | 35KV outdoor transformer station |
| EP1667293A1 (en) * | 2003-06-03 | 2006-06-07 | Red Eléctrica de Espana S.A. | Electricity substation |
| CN201258599Y (en) * | 2008-09-05 | 2009-06-17 | 中国电力工程顾问集团东北电力设计院 | Lattice type steel angle structure full-combined frame work |
| CN101908733A (en) * | 2010-07-13 | 2010-12-08 | 广东省电力设计研究院 | 500kV open type high-voltage distribution device with uniline arranged one-and-half breaker |
| CN203607729U (en) * | 2013-11-14 | 2014-05-21 | 国家电网公司 | Compact 35kv transformer substation |
-
2013
- 2013-11-14 CN CN201310566734.1A patent/CN103594943B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1283887A (en) * | 1999-08-06 | 2001-02-14 | 仪征市供电局 | 35KV outdoor transformer station |
| EP1667293A1 (en) * | 2003-06-03 | 2006-06-07 | Red Eléctrica de Espana S.A. | Electricity substation |
| CN201258599Y (en) * | 2008-09-05 | 2009-06-17 | 中国电力工程顾问集团东北电力设计院 | Lattice type steel angle structure full-combined frame work |
| CN101908733A (en) * | 2010-07-13 | 2010-12-08 | 广东省电力设计研究院 | 500kV open type high-voltage distribution device with uniline arranged one-and-half breaker |
| CN203607729U (en) * | 2013-11-14 | 2014-05-21 | 国家电网公司 | Compact 35kv transformer substation |
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| CN103594943B (en) | 2016-01-20 |
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Inventor after: Guo Xinju Inventor after: Zhang Shaohui Inventor after: Lu Xiaojun Inventor after: Jing Chuan Inventor after: Liu Xiangli Inventor after: Xu Changqing Inventor after: Zheng Zheng Inventor after: Xiong Jie Inventor after: Guo Zhengwei Inventor after: Liu Cunkai Inventor after: Chen Chen Inventor after: Xi Xiaojuan Inventor before: Liu Xiangli Inventor before: Zhang Shaohui Inventor before: Lu Xiaojun Inventor before: Jing Chuan Inventor before: Guo Xinju Inventor before: Xu Changqing Inventor before: Zheng Zheng Inventor before: Xiong Jie Inventor before: Guo Zhengwei Inventor before: Liu Cunkai Inventor before: Chen Chen Inventor before: Xi Xiaojuan |
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