CN104917086A - Outdoor prefabricated transformer substation - Google Patents

Outdoor prefabricated transformer substation Download PDF

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Publication number
CN104917086A
CN104917086A CN201510357904.4A CN201510357904A CN104917086A CN 104917086 A CN104917086 A CN 104917086A CN 201510357904 A CN201510357904 A CN 201510357904A CN 104917086 A CN104917086 A CN 104917086A
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CN
China
Prior art keywords
prefabricated
module
container
adopts
transformer station
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510357904.4A
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Chinese (zh)
Inventor
孟碧波
蔡勇
龚俊
张伟
杨俊�
孙浩
万淑娟
李俊
康巧萍
姚华为
宋国贵
李文娟
张晓燕
王小波
魏庆平
王金荣
王晋
谢东
熊炜
刘杰
王冠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Power Supply Design Institute Co Ltd
State Grid Corp of China SGCC
Wuhan NARI Ltd
State Grid Hubei Electric Power Co Ltd
Economic and Technological Research Institute of State Grid Hubei Electric Power Co Ltd
Hubei Electric Power Transmission and Distribution Engineering Co Ltd
Original Assignee
Wuhan Power Supply Design Institute Co Ltd
State Grid Corp of China SGCC
Wuhan NARI Ltd
State Grid Hubei Electric Power Co Ltd
Economic and Technological Research Institute of State Grid Hubei Electric Power Co Ltd
Hubei Electric Power Transmission and Distribution Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Power Supply Design Institute Co Ltd, State Grid Corp of China SGCC, Wuhan NARI Ltd, State Grid Hubei Electric Power Co Ltd, Economic and Technological Research Institute of State Grid Hubei Electric Power Co Ltd, Hubei Electric Power Transmission and Distribution Engineering Co Ltd filed Critical Wuhan Power Supply Design Institute Co Ltd
Priority to CN201510357904.4A priority Critical patent/CN104917086A/en
Publication of CN104917086A publication Critical patent/CN104917086A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an outdoor prefabricated transformer substation. By adopting a design idea of small-sized modularized prefabrication, the transformer substation is designed to be in a prefabricated assembled structure. The transformer substation comprises a civil engineering part and an electrical part. Mostly, the civil engineering part adopts prefabricated products, wherein the strip-shaped foundations of a container and a prefabricated cabinet, and the foundation of a transformer need to be prefabricated on site. Except the transformer, the electronic part adopts a container type module or a prefabricated cabinet type module, a wire inlet module adopts a box type gas insulated switchgear (GIS) module, the whole GIS module is mounted in the container or the prefabricated cabinet, the inlet wire adopts a cable, and the transformer is connected with the GIS module through an oil-gas bushing or an overhead wire. The on-site foundation prefabrication of the civil engineering part and the in-plant production debugging work of each functional module of the electrical part are simultaneously carried out, so that the construction period is greatly shortened. The outdoor prefabricated transformer substation is constructed by prefabricating and assembling modularized structures, breaks through the construction thought of a traditional transformer substation, and is high in efficiency.

Description

Outdoor preassembled transformer station
[technical field]
The present invention relates to electrical equipment technical field, particularly the outdoor preassembled transformer station of one.
[background technology]
Along with the fast development of national economy and society, electric power energy demand is also increasing, soil and space resources more and more rare, in Electric Power Network Planning, the site of transformer station and line channel implements also difficulty further.Power grid construction present task heavy, require the features such as high, the duration tight, expropriation of land and policy difficult treatment, the construction difficulty increasing of transformer station.Because urbanization, industrialization advance and the needs of rapid economic development fast, Electric Power Network Planning will adapt with urban economy, development plan, power grid construction progress should adapt with national economy and social development, and the construction of transformer station is the important component part of power grid construction.
The construction mode of tradition transformer station mainly contains following several:
Large-scale Out-door Substation construction mode: high voltage switchgear adopts outdoor arrangement form, transformer is placed on open air, 20 (10) kV equipment adopt indoor switch cabinet arranged in form in switch gear room, each electric equipment adopts outdoor connected mode, namely adopt nuditing wire or bus terminal board between equipment, utilize outdoor structures stent support to connect.Because high-tension apparatus and connection thereof are directly exposed to open air, higher to the requirement of environment and insulation coordination, the usual framework of transformer station is towering, high-voltage line layout is complicated, and the volume of electric power facility and spacing are comparatively large, and land occupation is more, inharmonious with surrounding enviroment, building site selection and comparison difficulty.
Indoor type transformer substation construction pattern: electric equipment is all or part of be arranged on indoor.Its high-tension apparatus multiselect gas-insulated provision for sealing, between each electric equipment, the cable mode that adopts connects more.Indoor type transformer station to some extent solves the contradiction between transformer station and soil, environment, but needs existing apartment construction, and install, debugging work load is large, long construction period, overall cost exceeds about 1 times than outdoor substation.
Underground or semi-subterranean substation construction mode: this pattern is close to indoor type transformer substation construction pattern, just be arranged on below ground by all or part of for all electric equipments, more efficientlyly save land area, but the transformer substation construction of this pattern and maintenance operation expense high.
Above three kinds of transformer station's patterns are all after equipment dispersion transports scene to, then carry out the construction mode of Installation and Debugging.The defect that they exist is, can grind project verification from transformer station and put into operation to completion, each transformer station needs through complex processes such as design, bid, in-site installation, field adjustables.
[summary of the invention]
In view of this, for overcoming the deficiencies in the prior art, the invention provides a kind of outdoor preassembled transformer station, it is the design philosophy by adopting miniaturized modularization prefabricated, Substation Design is become prefabricated construction, only need to scene to lay, hoisted in position be connected with debugging, build convenient, cost is low, effectively reduces maintenance input.
For achieving the above object, technical scheme of the present invention is as follows:
Outdoor preassembled transformer station, it is the design philosophy by adopting miniaturized modularization prefabricated, Substation Design is become prefabricated construction, comprise civil engineering part and electric part, described civil engineering part adopts prefabricated product, and wherein container and the pre-strip footing of stowage, the basis of transformer need in-situ precast; Described electric part, except transformer, all adopts container-type or prefabricated cabin formula module, and incoming line module adopts box type gas insulating provision for sealing (GIS) module.
Above-mentioned container-type or prefabricated cabin formula module complete in factory produces and debugging, convenient transportation, and on-the-spot need according to design fixed adjustment on corresponding foundation of civil work, and carry out the combined debugging between module, work on the spot amount greatly reduces.
Preferably, described container and prefabricated cabin basis adopt strip footing, and have four base strip footings, wherein the strip footing at two ends arranges built-in fitting, are used for fixing respectively with bottom container and prefabricated storehouse.
Described container and the in advance strip footing of stowage, the basis of transformer, its height of foundation more than 60cm all above ground level, facilitates the installation of each equipment follow-up and functional module.Wherein little of fire-fighting, entrance guard room, little of Work tool etc. are assembled by container; Cable trough adopts groove box, and cable bearer adopts steel bracket or composite material bracket, and communication ditch adopts precast concrete to assemble; Fire compartment wall, inlet for stom water, tour trail, Road tooth, streetlamp foundation etc. adopt concrete prefabricated, greatly reduce on-the-spot workload.
Further, be connected by oil-gas casing or aerial condutor between described transformer with described gas-insulated provision for sealing (GIS) module.
Described high voltage side of transformer is connected by oil-gas casing or aerial condutor with box GIS module as required, and low-pressure side terminals adopt cable outlet.
Gas-insulated provision for sealing (GIS) module is combined by circuit breaker, bus, isolating switch, voltage transformer, current transformer, lightning arrester, bus, sleeve pipe eight kinds of High-Voltage Electrical Appliances, each component of high voltage electrical apparatus is sealed in grounded metal cylinder, using SF6 gas as dielectric.Whole GIS module is arranged in container or prefabricated cabin, and inlet wire adopts cable mode, is connected, connects combination between GIS and GIS by GIL mode between transformer with GIS module by oil-gas casing or aerial condutor.
This transformer station also comprises switch cubicle, reactive compensation module and arc suppression coil module, is integrated in container or prefabricated cabin, fixing in prefabricated strip footing.
Described switch cubicle is 10kV switch cubicle, is all arranged in container or prefabricated cabin, can single-row or dually arrayed, with cable mode line.Described switch cubicle is to be welded on the channel-section steel of bottom half for installation foundation, fixing in prefabricated strip footing.
Further, between described switch cabinet body and casing or cabin body, temporary support is set, so that ensure the transportation safety of equipment in transportation.Whole control box arrangement is not affected by the external environment, and guarantees operational reliability and Personal Safety, and achieves non-maintaining.
Described reactive compensation module adopts Tank Capacitors, fixing in prefabricated strip footing.Described Tank Capacitors completes in factory produces and debugging, and box sizes meets movement requirement, and entirety transports to scene, fixing in prefabricated strip footing.Wherein the reactor with T-shaped core of 6% selected by series reactor, and SF6 gas-insulated miniaturized vacuum switch cubicle selected by switch.Spatially with in floor space larger improvement has been had than conventional Capacitor banks device.
Described arc suppression coil module adopts box blowout coil set apparatus, and arc suppression coil and auxiliary device thereof are integrated in described container or prefabricated cabin by described box blowout coil set apparatus.
Further, described container and prefabricated cabin adopt cable access way, and cable adopts bottom access way, and access port is arranged on described container and prefabricated cabin near the position of end, conveniently connect.Described access port is divided into optical cable access port and cable accessing port.
Described container and prefabricated cabin, under the prerequisite meeting movement requirement, carry out selection and prefabricated according to the size of equipment.Casing and cabin body material meet the requirement of insulation and anticorrosive heat insulating.Casing and cabin body, according to the door of internal unit deployment scenarios unlatching easy for installation, conveniently overhaul.Top arranges gradient rainwater-proof and accumulated snow, inner meets the requirements such as maintenance, fire-fighting and illumination, and bottom is fixed by the built-in fitting of strip footing and basis.
The invention has the beneficial effects as follows, preassembled transformer station construction mode, each comprising modules adopts standard interface, can realize modularization and change and enlarging, from civil engineering to electric part, breach traditional transformer substation construction thinking, floor space is little, and work on the spot amount is few, short construction period, comprehensive cost is low, easy in accordance with natural environment.
The container-type that the present invention adopts or prefabricated cabin formula structure make power transformation station equipment not by the impact of external environment, also can not have influence on surrounding enviroment.Each module can according to landform flexible arrangement, and little by transformer station's influence of topography, addressing is convenient.Each module all adopts compact designed, takes up an area less, and the floor space of whole transformer station greatly reduces, and effectively reduces the comprehensive method of investment.
[accompanying drawing explanation]
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the prefabricated cabin front view in the present invention.
Fig. 2 is container in transformer station and prefabricated cabin foundation structure schematic diagram.
Fig. 3 is the structural representation of cable access port bottom container and prefabricated cabin.
Fig. 4 is the structural representation of the single-row layout of switch cubicle.
Fig. 5 is the structural representation of switch cubicle dually arrayed.
[embodiment]
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Outdoor preassembled transformer station, it is the design philosophy by adopting miniaturized modularization prefabricated, Substation Design is become prefabricated construction, comprise civil engineering part and electric part, described civil engineering part adopts prefabricated product, and wherein container and the pre-strip footing of stowage, the basis of transformer need in-situ precast; Described electric part, except transformer, all adopts container-type or prefabricated cabin formula module, and incoming line module adopts box type gas insulating provision for sealing (GIS) module.
As shown in Figure 1, prefabricated cabin side arranges inlet/outlet 1, and install an air-conditioner near end outer machine 2, is equiped with ventilation shutter 3 on the right of outdoor machine of air-conditioner 2.
Container as shown in Figure 2 and prefabricated cabin basis, have four base strip footings 4, wherein the strip footing at two ends arranges built-in fitting 5, is used for fixing respectively with bottom container and prefabricated storehouse.Described container and the in advance strip footing of stowage, the basis of transformer, its height of foundation more than 60cm all above ground level, facilitates the installation of each equipment follow-up and functional module.Wherein little of fire-fighting, entrance guard room, little of Work tool etc. are assembled by container; Cable trough adopts groove box, and cable bearer adopts steel bracket or composite material bracket, and communication ditch adopts precast concrete to assemble; Fire compartment wall, inlet for stom water, tour trail, Road tooth, streetlamp foundation etc. adopt concrete prefabricated, greatly reduce on-the-spot workload.
Above-mentioned container-type or prefabricated cabin formula module complete in factory produces and debugging, convenient transportation, and on-the-spot need according to design fixed adjustment on corresponding foundation of civil work, and carry out the combined debugging between module, work on the spot amount greatly reduces.
Be connected by oil-gas casing or aerial condutor between described transformer with described gas-insulated provision for sealing (GIS) module.Described high voltage side of transformer is connected by oil-gas casing or aerial condutor with box GIS module as required, and low-pressure side terminals adopt cable outlet.Described gas-insulated provision for sealing (GIS) module is combined by circuit breaker, bus, isolating switch, voltage transformer, current transformer, lightning arrester, bus, sleeve pipe eight kinds of High-Voltage Electrical Appliances, each component of high voltage electrical apparatus is sealed in grounded metal cylinder, using SF6 gas as dielectric.Whole GIS module is arranged in container or prefabricated cabin, and inlet wire adopts cable mode, is connected, connects combination between GIS and GIS by GIL mode between transformer with GIS module by oil-gas casing or aerial condutor.
Referring to Fig. 3, described container and prefabricated cabin adopt cable access way, and cable adopts bottom access way, and access port is arranged on described container and prefabricated cabin near the position of end, conveniently connect, and described access port is divided into optical cable access port 6 and cable accessing port 7.
Outdoor preassembled transformer station of the present invention also comprises switch cubicle, reactive compensation module and arc suppression coil module, is integrated in container or prefabricated cabin, fixing in prefabricated strip footing.
Described switch cubicle is all arranged in container or prefabricated cabin, completes and produce and debugging in factory, and whole Transporting is to on-the-spot, fixing in prefabricated strip footing.Each switch cubicle, by cable mode line, adopts below inlet wire scheme.
Switch cubicle is as shown in Figure 4 single-row layout, switch cubicle shown in Fig. 5 is dually arrayed, the switch cubicle of two kinds of modes is all to be welded on the channel-section steel of bottom half for installation foundation, between switch cabinet body and casing or cabin body, temporary support is set, so that ensure the transportation safety of equipment in transportation.
Described reactive compensation module adopts Tank Capacitors, and described Tank Capacitors completes in factory produces and debugging, and box sizes meets movement requirement, and entirety transports to scene, fixing in prefabricated strip footing.
Wherein, the reactor with T-shaped core of 6% selected by series reactor, and SF6 gas-insulated miniaturized vacuum switch cubicle selected by switch.Spatially with in floor space larger improvement has been had than conventional Capacitor banks device.
Above-mentioned arc suppression coil module, adopts box blowout coil set apparatus, and arc suppression coil and auxiliary device thereof are integrated in described container or prefabricated cabin by described box blowout coil set apparatus.
In the factory of the prefabricated and electric each functional module of the field basic of above-mentioned civil engineering part, scheduling and planning work can walk abreast and carry out, and the construction period of bed rearrangement transformer station is greatly reduced.
Described prefabricated cabin arranges unified interface box, and as the interface of the inside and outside pre-fabricated electric cables in cabin, optical cable, the interface in interface box is according to cable, optical cable access zoning.Part in cabin carries out installment and debugging before dispatching from the factory, and the on-the-spot connection that only need complete interface, improves the speed of site operation.
Described container and prefabricated cabin, under the prerequisite meeting movement requirement, carry out selection and prefabricated according to the size of equipment.Casing and cabin body material meet the requirement of insulation and anticorrosive heat insulating.Casing and cabin body, according to the door of internal unit deployment scenarios unlatching easy for installation, conveniently overhaul.Top arranges gradient rainwater-proof and accumulated snow, inner meets the requirements such as maintenance, fire-fighting and illumination, and bottom is fixed by the built-in fitting of strip footing and basis.
The preassembled transformer station construction mode that the present invention describes, each module adopts standard interface, modularization can be realized change and enlarging, from civil engineering to electric part, breach traditional transformer substation construction thinking, floor space is little, work on the spot amount is few, short construction period, comprehensive cost is low, easy in accordance with natural environment.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. outdoor preassembled transformer station, it is characterized in that, it is the design philosophy by adopting miniaturized modularization prefabricated, Substation Design is become prefabricated construction, comprise civil engineering part and electric part, described civil engineering part adopts prefabricated product, and wherein container and the pre-strip footing of stowage, the basis of transformer need in-situ precast; Described electric part, except transformer, all adopts container-type or prefabricated cabin formula module, and incoming line module adopts box type gas insulating provision for sealing (GIS) module.
2. outdoor preassembled transformer station as claimed in claim 1, it is characterized in that, described container and prefabricated cabin basis adopt strip footing, have four base strip footings, wherein the strip footing at two ends arranges built-in fitting, is used for fixing respectively with bottom container and prefabricated storehouse.
3. outdoor preassembled transformer station according to claim 1, is characterized in that, described container and the in advance strip footing of stowage, the basis of transformer, its height of foundation more than 60cm all above ground level.
4. outdoor preassembled transformer station according to claim 1, is characterized in that, is connected between described transformer with described gas-insulated provision for sealing (GIS) module by oil-gas casing or aerial condutor.
5. outdoor preassembled transformer station according to claim 4, is characterized in that, described high voltage side of transformer is connected by oil-gas casing or aerial condutor with box GIS module as required, and low-pressure side terminals adopt cable outlet.
6. outdoor preassembled transformer station according to claim 1, is characterized in that, also comprise switch cubicle, reactive compensation module and arc suppression coil module, is integrated in container or prefabricated cabin, fixing in prefabricated strip footing.
7. outdoor preassembled transformer station according to claim 6, is characterized in that, described switch cubicle is all arranged in container or prefabricated cabin, can single-row or dually arrayed, with cable mode line.
8. outdoor preassembled transformer station according to claim 6, is characterized in that, described reactive compensation module adopts Tank Capacitors, fixing in prefabricated strip footing.
9. outdoor preassembled transformer station according to claim 6, it is characterized in that, described arc suppression coil module adopts box blowout coil set apparatus, and arc suppression coil and auxiliary device thereof are integrated in described container or prefabricated cabin by described box blowout coil set apparatus.
10. outdoor preassembled transformer station according to claim 1, is characterized in that, described container and prefabricated cabin adopt cable access way, and cable adopts bottom access way, and access port is arranged on described container and the prefabricated cabin position near end.
CN201510357904.4A 2015-06-25 2015-06-25 Outdoor prefabricated transformer substation Pending CN104917086A (en)

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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105514850A (en) * 2015-12-21 2016-04-20 国网辽宁省电力有限公司沈阳供电公司 High-intensity distribution type modular substation
CN106400830A (en) * 2016-08-29 2017-02-15 山东电力工程咨询院有限公司 Integral assembly type equipment foundation
CN106549325A (en) * 2017-01-24 2017-03-29 国网福建省电力有限公司 A kind of new structure pre-installed transformer sub-station that quickly can be arranged and its installation method
CN107104380A (en) * 2017-01-24 2017-08-29 国网福建省电力有限公司 The boosting transformer and its installation method of a kind of new structure
CN108305041A (en) * 2018-01-09 2018-07-20 浙江南都电源动力股份有限公司 A kind of modularized processing method and system towards energy-accumulating power station
CN109301704A (en) * 2018-09-05 2019-02-01 中国电建集团河北省电力勘测设计研究院有限公司 Intelligent substation prefabricated Intelligent control cabinet with cable arrangement standard interface cabin
CN111092437A (en) * 2019-12-06 2020-05-01 国网电力科学研究院有限公司 Prepackage type phase modulation machine system
CN112103829A (en) * 2020-08-06 2020-12-18 南京国电南自新能源工程技术有限公司 Modular prefabricated cabin type transformer substation
CN113451930A (en) * 2021-07-27 2021-09-28 广东电网有限责任公司 Electrical design method and design device for 110kV transformer substation in industrial park

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
周元强等: ""标准配送"在陵口110kV变电站的应用", 《中国电业(技术版)》 *
孙建龙等: "基于预制舱的配送式智能变电站设计", 《江苏电机工程》 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105514850A (en) * 2015-12-21 2016-04-20 国网辽宁省电力有限公司沈阳供电公司 High-intensity distribution type modular substation
CN106400830A (en) * 2016-08-29 2017-02-15 山东电力工程咨询院有限公司 Integral assembly type equipment foundation
CN106400830B (en) * 2016-08-29 2018-10-02 山东电力工程咨询院有限公司 A kind of Equipment Foundations of assembled integral
CN106549325A (en) * 2017-01-24 2017-03-29 国网福建省电力有限公司 A kind of new structure pre-installed transformer sub-station that quickly can be arranged and its installation method
CN107104380A (en) * 2017-01-24 2017-08-29 国网福建省电力有限公司 The boosting transformer and its installation method of a kind of new structure
CN108305041A (en) * 2018-01-09 2018-07-20 浙江南都电源动力股份有限公司 A kind of modularized processing method and system towards energy-accumulating power station
CN109301704A (en) * 2018-09-05 2019-02-01 中国电建集团河北省电力勘测设计研究院有限公司 Intelligent substation prefabricated Intelligent control cabinet with cable arrangement standard interface cabin
CN111092437A (en) * 2019-12-06 2020-05-01 国网电力科学研究院有限公司 Prepackage type phase modulation machine system
CN112103829A (en) * 2020-08-06 2020-12-18 南京国电南自新能源工程技术有限公司 Modular prefabricated cabin type transformer substation
CN112103829B (en) * 2020-08-06 2022-09-27 南京国电南自新能源工程技术有限公司 Modular prefabricated cabin type transformer substation
CN113451930A (en) * 2021-07-27 2021-09-28 广东电网有限责任公司 Electrical design method and design device for 110kV transformer substation in industrial park

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Application publication date: 20150916