CN104967036A - Integrated intelligent combination transformer station - Google Patents

Integrated intelligent combination transformer station Download PDF

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Publication number
CN104967036A
CN104967036A CN201510322117.6A CN201510322117A CN104967036A CN 104967036 A CN104967036 A CN 104967036A CN 201510322117 A CN201510322117 A CN 201510322117A CN 104967036 A CN104967036 A CN 104967036A
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China
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transformer
distribution
low
intelligent
electrical equipment
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CN201510322117.6A
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CN104967036B (en
Inventor
唐明群
孙大璟
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Its Thick Intelligent Electric Equipment Co Ltd Of Jiangsu
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Its Thick Intelligent Electric Equipment Co Ltd Of Jiangsu
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Abstract

The invention relates to an integrated intelligent combination transformer station, and the transformer station is disposed on the ground or on a rod in a lifted manner. The transformer station comprises an outdoor integrated intelligent combination electric appliance, a transformer, an integrated intelligent power distribution box or a distribution transformation low-voltage protection switch box, and a medium voltage cable accessory. The integrated intelligent power distribution box or the distribution transformation low-voltage protection switch box is fixedly disposed at a low-voltage terminal of the transformer. The transformer station completes the protection and isolation of a high-voltage side of an oil-immersed power transformer through the outdoor integrated intelligent combination electric appliance, achieves the integrated function of distribution and transformation of the low-voltage side of the integrated intelligent power distribution box or the distribution transformation low-voltage protection switch box, and improves the reliability of power supply and the quality of electric energy. Selected distribution automatic equipment and an intelligent sensing terminal can achieve the intelligent management and status maintenance of a distribution unit area.

Description

A kind of integral intelligent assembly transformer substation
Technical field
The present invention relates to intelligent grid power transmission and transformation, distribution technique field, specifically relate to a kind of integral intelligent assembly transformer substation.
Background technology
There is a lot of limitation in actual applications in existing power distribution station, as load intensive district urban network restructuring and the construction of small-business distribution face the awkward situation without construction land; Temporary electricity construction is numerous and diverse, and inconvenience is moved in dismounting; Preassembled transformer station cannot adapt to regional current demand of controlling flood; The buried change of the high-end house of villa also needs the replacement scheme that cost performance is higher; Distributed power source access (as solar power generation), electric automobile charging pile power supply, the new technologies such as small-sized bank electric system (minimizing blowdown), due to factors such as planning and designing are delayed, are difficult to find practicable solution at present, are difficult to the requirement meeting the energy-conserving and environment-protective policy that country proposes.
Although adopt existing stand to be that transformer can solve the problem further.But, existing stand transformer, insulating level is low, and construction technology control point is more, causing trouble and potential safety hazard many, easily affect the trip-out rate of circuit.Visible, existing outdoor electricity distribution platform district also needs further consummating function, is optimized configuration, need to suit measures to local conditions to carry out construction simultaneously, in line with the principle of " economical and practical, focus on actual effects ", according to different geographical feature, different economy level of development, different electrical network present situations is distinguishing carries out construction.Power distribution station is at integrated design, function i ntegration and interactive etc. functionally also need to carry out further improving and studying.
The patent No. is that the Chinese utility model patent of ZL201420232114.4 application discloses that a kind of 10KV intellectual expense control pole prefabricated substation, and this prefabricated substation comprises the control of intellectual expense vacuum load switch, transformer, low pressure JP cabinet; Low pressure JP cabinet is in the front portion of transformer, the rear upper end of transformer is fixed with support by set bolt, support is provided with the stainless steel casing that intelligence expense control vacuum load switch is housed, stainless steel box sealing is provided with 10kV voltage transformer, is connected by intellectual expense control vacuum load switch outgoing line with 10kV high-tension cable with the high-pressure side of transformer.This prefabricated substation, although intellectual expense control vacuum load switch, transformer, low pressure JP cabinet combination are integrated, its structure is comparatively disperseed, and poor being not suitable for of fail safe carries out outdoor installation.
Summary of the invention
A kind of prefabricated substation is the invention provides for overcoming above-mentioned shortcomings and deficiencies of the prior art; this transformer station completes the on high-tension side protection of oil-immersed power transformer and isolation by outdoor integrated intelligences combination electrical equipment; the comprehensive functions such as low-pressure side distribution and protection are completed by comprehensive intelligent distribution box or distribution low-voltage protection switch case; improve power supply reliability and the quality of power supply; the power distribution automation equipment of apolegamy and Intellisense terminal, can realize intelligent management and the repair based on condition of component of power distribution station.Institute's terminal of standing possesses collection and the transporting function of analog quantity and quantity of state, possesses switch controlling functions on the spot, in local or distant place set action definite value, meanwhile, can possess fault detect and discrimination function, can Quick isolated fault when breaking down.Intelligent power distribution terminal, the Intelligent power distribution terminal of this device, combine the function of existing multiple device, can to power transformer, line switch, RCD, the operation informations such as intelligent electric energy meter carry out collection and user power utilization information is collected, possesses the monitoring of distribution transformer metering summary table, RCD is monitored, status monitoring, load management, dynamic passive compensation/three-phase imbalance improvement/harmonic wave control, security protection, interactive management, asset management, video monitor, the functions such as environmental monitoring and distributed power source access-in management.
Technical scheme of the present invention is for achieving the above object: a kind of integral intelligent assembly transformer substation, it is installed on ground or is liftoffly installed on bar, comprise outdoor integrated intelligences combination electrical equipment, transformer, comprehensive intelligent distribution box or distribution low-voltage protection switch case, midium voltage cable annex, described outdoor integrated intelligences combination electric mounting is directly over transformer; Described comprehensive intelligent distribution box or distribution low-voltage protection switch case are fixedly mounted on the low-voltage terminal side of transformer; The end of incoming cables of outdoor integrated intelligences combination electrical equipment is connected with the high-tension cable inlet wire of midium voltage cable annex, leading-out terminal is connected with the high-tension cable connecting line of midium voltage cable annex; The other end of high-tension cable connecting line of described midium voltage cable annex is connected with the bushing of transformer, and the low-pressure end of transformer is connected with comprehensive intelligent distribution box or distribution low-voltage protection switch case.
Preferably, described outdoor integrated intelligences combination electrical equipment comprises, outdoor three station spring energy agencies, three-stations load switch, single-phase molten storehouse, current limiting fuse, lightning arrester Petersen coil and midium voltage cable annex composition.
In above-mentioned either a program preferably, described outdoor integrated intelligences combination electrical equipment comprises, and isolating switch, vacuum circuit-breaker, lightning arrester and midium voltage cable annex form.
In above-mentioned either a program preferably, described transformer is oil-immersed power transformer.
In above-mentioned either a program preferably, the high-pressure side of described outdoor integrated intelligences combination electrical equipment adopts three-stations load switch to add the compound mode of current limiting fuse, when generation one phase fuses, makes the three-phase separating brake simultaneously of on-load switch with the striker of fuse.
In above-mentioned either a program preferably; described comprehensive intelligent distribution box or distribution low-voltage protection switch case; adjusted by fuse disconnecting switch or frame circuit breaker or breaker of plastic casing, Intelligent capacitor group or intelligence and mend Capacitor banks, Intelligent power distribution terminal etc. and form, meet the requirement of low-pressure side protection and multichannel low-pressure line-outgoing.
In above-mentioned either a program preferably, described comprehensive intelligent distribution box or distribution low-voltage protection switch case and transformer connect as one structure by bolt is dismountable.
In above-mentioned either a program preferably, comprehensive intelligent distribution box or distribution low-voltage protection switch case are integral type rectangular box structure.
In above-mentioned either a program preferably, outdoor integrated intelligences combination electrical equipment by the floor installation bottom it at the top of transformer.
In above-mentioned either a program preferably, described frame shell all has two chamber doors and four of frame shell footing are provided with mounting bracket in every face all around.
In above-mentioned either a program preferably, the both sides of described frame shell are equipped with ventilating opening.
In above-mentioned either a program preferably, the cover top portion of outdoor integrated intelligences combination electrical equipment is provided with pulling apparatus.
In above-mentioned either a program preferably, described pulling apparatus is lift ring and quantity is two.
In above-mentioned either a program preferably, described two lift rings are fixedly connected with by the cover top portion of bolt with outdoor integrated intelligences combination electrical equipment.
Compared with prior art the invention has the advantages that: integration, the standardized designs that intelligent, prefabricated substation realizes whole power distribution station, batch production is processed: realize the full prefabrication Assembling that power distribution station construction is real, decrease construction period and construction cost, achieve primary equipment (on-load switch, fuse, lightning arrester and power transformer) nuclear interface standardizing, means of production recycling rate of waterused is high; Realize all insulation of whole power distribution station, hermetically sealed, full-shield: tangible, volume is little, and dismounting is easy, solves the exposed potential safety hazard brought of energized conductor; Promote whole power distribution station construction technology and construction safety level: outdoor three-stations load switch and five anti-Interlocking Systems, will greatly improve the personal safety of live line working person; Realize whole power distribution station power distribution automation, improve O&M level; Realize whole power distribution station expanding function modularization choosing dress.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram according to integral intelligent assembly transformer substation one preferred embodiment of the present invention.
Fig. 2 is according to integral intelligent assembly transformer substation of the present invention side-looking structural representation embodiment illustrated in fig. 1.
Fig. 3 is according to integral intelligent assembly transformer substation of the present invention plan structure schematic diagram embodiment illustrated in fig. 1.
Fig. 4 is the main TV structure schematic diagram according to integral intelligent assembly transformer substation one preferred embodiment middle frame shell of the present invention.
Fig. 5 is according to the integral intelligent assembly transformer substation of invention plan structure schematic diagram embodiment illustrated in fig. 4.
Fig. 6 is the pole mounting structure schematic diagram according to integral intelligent assembly transformer substation of the present invention.
Embodiment
Preferred embodiment is had to be further elaborated explanation below in conjunction with accompanying drawing to of the present invention;
Embodiment 1:
As shown in figures 1 to 6, disclose a kind of integral intelligent assembly transformer substation of the present invention, this integral intelligent assembly transformer substation adopts pole to install, and its low-voltage cable adopts underground outlet.Comprise outdoor integrated intelligences combination electrical equipment 1, transformer 2, comprehensive intelligent distribution box or distribution low-voltage protection switch case 3, midium voltage cable annex, described outdoor integrated intelligences combination electrical equipment 1 is arranged on directly over transformer 2; Specifically, outdoor integrated intelligences combination electrical equipment 1 by the floor installation bottom it at the top of transformer 2.
Described comprehensive distribution box or distribution low-voltage protection switch case 3 are fixedly mounted on the low-voltage terminal side of transformer 2; The end of incoming cables of outdoor integrated intelligences combination electrical equipment 1 is connected with the high-tension cable inlet wire 4 of midium voltage cable annex, leading-out terminal is connected with the high-tension cable connecting line 5 of midium voltage cable annex; The other end of the high-tension cable connecting line 4 of described midium voltage cable annex is connected with the bushing of transformer 2, and the low-pressure end of transformer 2 is connected with comprehensive intelligent distribution box or distribution low-voltage protection switch case 3.In the present embodiment, described transformer is oil-immersed power transformer.Described outdoor integrated intelligences combination electrical equipment 1 comprises, outdoor three station spring energy agencies, three-stations load switch, single-phase molten storehouse, current limiting fuse, lightning arrester Petersen coil and midium voltage cable annex composition.The high-pressure side of described outdoor integrated intelligences combination electrical equipment 1 adopts three-stations load switch to add the compound mode of current limiting fuse, when generation one phase fuses, makes the three-phase separating brake simultaneously of on-load switch with the striker of fuse.Described comprehensive intelligent distribution box or distribution low-voltage protection switch case 3; adjusted by fuse disconnecting switch or frame circuit breaker or breaker of plastic casing, Intelligent capacitor group or intelligence and mend Capacitor banks, Intelligent power distribution terminal etc. and form, meet the requirement of low-pressure side protection and multichannel low-pressure line-outgoing.Described comprehensive intelligent distribution box or distribution low-voltage protection switch case 3 connect as one structure with transformer 2 by bolt is dismountable.Comprehensive intelligent distribution box or distribution low-voltage protection switch case 3 are integral type rectangular box structure.
In the present embodiment, described frame shell structure is that all around every mask has two chamber doors split, and four footing of frame shell are equipped with mounting bracket.Described mounting bracket is used for fixing described frame shell.Ventilating opening is equipped with in the both sides of described frame shell.The cover top portion of outdoor integrated intelligences combination electrical equipment 1 is provided with pulling apparatus.Described pulling apparatus is for lift ring and quantity is two, and lift ring evenly sets up separately in shell top planes.Described two lift rings are fixedly connected with by bolt or by the mode of welding with the cover top portion of outdoor integrated intelligences combination electrical equipment.
Integral intelligent assembly transformer substation of the present invention, from the convenient angle designing and install, the overall package assembly design adopting integration, and can all insulation of implement device, full-shield and hermetically sealed, thus solve the problems such as intensive buying difficulty, poor stability and interchangeability is poor; From facilitating later stage operation management, dilatation angularly, the intelligent perception technology that indoor design adopts structure function modular arrangement and merges for one or two times, realize the one-stop power distribution station new construction model of " a demand complete fulfillment ", thus solve function i ntegration and the problem such as interactive.Adopt outdoor three-stations load switch to add current limiting fuse protection, adopt SF6 gas-insulated and arc extinguishing, additional Petersen coil scheme; Isolating switch and breaker protection, adopt solid insulation and vacuum extinction scheme.Simultaneously, devise outdoor three station spring energy-storage operating mechanisms, outdoor operations can be carried out by link rod, once-through operation can complete on-load switch and close a floodgate and energy storage, three-stations load switch incorporates the function of on-load switch and earthed switch, and come by integral type on-load switch, can mechanical latching be realized like this, prevent major loop charged conjunction ground cutter.Compared with prior art, the present invention has integration, intellectuality, composite type feature, realize the standardized designs of whole power distribution station, achieve the full prefabrication Assembling that power distribution station construction is real, decrease construction period and construction cost, achieve primary equipment (on-load switch, fuse, lightning arrester and power transformer) nuclear interface standardizing, means of production recycling rate of waterused is high; Realize all insulation of whole power distribution station, hermetically sealed, full-shield: tangible, volume is little, and dismounting is easy, solves the exposed potential safety hazard brought of energized conductor; Promote whole power distribution station construction technology and construction safety level: outdoor three-stations load switch and five anti-Interlocking Systems, will greatly improve the personal safety of live line working person; Realize whole power distribution station power distribution automation, improve O&M level; Realize whole power distribution station expanding function modularization choosing dress.Outdoor integrated intelligences combination electrical equipment of the present invention has two types: the first, adopt outdoor three-stations load switch to add current limiting fuse protection, it is mainly made up of outdoor three station spring energy-storage operating mechanisms, three-stations load switch, single-phase molten storehouse, current limiting fuse, lightning arrester, Petersen coil and midium voltage cable annex; Outdoor integrated intelligences combination electrical equipment is when high-pressure side adopts outdoor three-stations load switch to add current limiting fuse protection; when there is a phase fuse blows; make on-load switch three-phase separating brake simultaneously with the striker of fuse, avoid phase-deficient operation, on-load switch has the ability cutting off transfer current.The power distribution automation equipment matched in outdoor integrated intelligences combination electrical equipment and Intellisense terminal, can realize the intelligent management of power distribution station.Power transformer adopts the oil-immersed power transformer of small volume, the high pressure line of its high-low pressure terminal and outdoor integrated intelligences combination electrical equipment has all carried out nuclear interface standardizing design, high and low pressure side modularization assembling can be realized, thus realize all insulation of integral intelligent assembly transformer substation, full-shield and hermetically sealed.Comprehensive intelligent distribution box or distribution low-voltage protection switch case; adjust primarily of fuse disconnecting switch or frame circuit breaker or breaker of plastic casing, Intelligent capacitor group or intelligence and mend the composition such as Capacitor banks and various Intelligent power distribution terminals, meet the requirement of low-pressure side protection and multichannel low-pressure line-outgoing.Described three-stations load switch, is made up of three station spring energy-storage operating mechanisms, three-stations load switch, Petersen coil and indicating device.Outdoor three station spring energy-storage operating mechanisms can carry out outdoor operations by link rod, once-through operation can complete on-load switch and close a floodgate and energy storage, three-stations load switch incorporates the function of on-load switch and earthed switch, and come by integral type on-load switch, can mechanical latching be realized like this, prevent major loop charged conjunction ground cutter.
The course of work
One, the power up of outdoor integrated intelligences combination electrical equipment is:
1, confirm that the right door of outdoor integrated intelligences combination electrical equipment is closed, earthed switch is in closing position, pointer refers in ground connection position;
2, the left side of drop-down earthed switch action bars, grounding switch tripping, pointer refers at sub-gate position, and the right door of outdoor integrated intelligences combination electrical equipment cannot be opened;
3, reciprocal lower switching on stored energy operation bar, until on-load switch closes a floodgate complete stored energy operation simultaneously, pointer refers in closing position, and power up terminates.
Two, the power process of outdoor integrated intelligences combination electrical equipment is:
1, upwards pushed away by sub-switching operation bar, on-load switch separating brake, pointer refers at sub-gate position, power-off;
2, repair and maintenance sockets on the right side of ground switch operating rod at present, and earthed switch closes a floodgate, and pointer refers in ground connection position, and now the right door of outdoor integrated intelligences combination electrical equipment is opened, and can carry out the operations such as replacing fuse.
Refer again to Fig. 1-6, in the present embodiment, described integral intelligent assembly transformer substation is fixedly mounted on concurrent by two two bar supports 19, and carries out reinforcement support by 4 diagonal braces 24, and described concurrent is arranged on two chassis 29.Described transformer is fixedly connected with two bar support 19 by two transformer fixed supports 26; described concurrent is provided with three zinc oxide arresters 13; low-voltage cable 25 is protected by frp cable protective pipe 28, and the empty insulated flexible electrical power cord 15 of the mutual turntable of single core is fixed by the first anchor ear 6, first high pressure cross-arm second anchor ear 8, second high pressure cross-arm 9, the 3rd anchor ear 18.Two two bar supports 19 support anchor ear 20 by two and support.4th anchor ear 21, the 5th anchor ear 22, cross-arm anchor ear 23, the 6th anchor ear 27 are fixed on described concurrent for fixing low-voltage cable 25.
Embodiment 2:
With embodiment 1 difference be in the present embodiment: outdoor integrated intelligences combination electrical equipment adopts isolating switch and vacuum circuit-breaker to protect, and it is mainly made up of isolating switch, vacuum circuit-breaker, lightning arrester and midium voltage cable annex.
It should be noted that, the category of integral intelligent assembly transformer substation scheme of the present invention includes but not limited to the combination in any between each part mentioned above.
Although illustrate and describe the present invention with reference to its preferred embodiment particularly, those skilled in the art will appreciate that the various change that can make in form and details and do not depart from the scope of the present invention described in appended claims.More than be described in detail in conjunction with specific embodiments of the invention, but be not limitation of the present invention.Every according to technical spirit of the present invention to any simple modification made for any of the above embodiments, all still belong to the scope of technical solution of the present invention.

Claims (10)

1. an integral intelligent assembly transformer substation, it is installed on ground or is liftoffly installed on bar, comprise outdoor integrated intelligences combination electrical equipment, transformer, comprehensive intelligent distribution box or distribution low-voltage protection switch case, midium voltage cable annex, it is characterized in that: outdoor integrated intelligences combination electric mounting is directly over transformer; Described comprehensive intelligent distribution box or distribution low-voltage protection switch case are fixedly mounted on the low-voltage terminal side of transformer; The end of incoming cables of outdoor integrated intelligences combination electrical equipment is connected with the high-tension cable inlet wire of midium voltage cable annex, leading-out terminal is connected with the high-tension cable connecting line of midium voltage cable annex; The other end of high-tension cable connecting line of described midium voltage cable annex is connected with the bushing of transformer, and the low-pressure end of transformer is connected with comprehensive intelligent distribution box or distribution low-voltage protection switch case.
2. integral intelligent assembly transformer substation as claimed in claim 1, it is characterized in that: described outdoor integrated intelligences combination electrical equipment comprises, outdoor three station spring energy agencies, three-stations load switch, single-phase molten storehouse, current limiting fuse, lightning arrester Petersen coil and midium voltage cable annex composition.
3. integral intelligent assembly transformer substation as claimed in claim 1, is characterized in that: described outdoor integrated intelligences combination electrical equipment comprises, and isolating switch, vacuum circuit-breaker, lightning arrester and midium voltage cable annex form.
4. integral intelligent assembly transformer substation as claimed in claim 1, is characterized in that: described transformer is oil-immersed power transformer.
5. integral intelligent assembly transformer substation as claimed in claim 2, it is characterized in that: the high-pressure side of described outdoor integrated intelligences combination electrical equipment adopts three-stations load switch to add the compound mode of current limiting fuse, when generation one phase fuses, make the three-phase separating brake simultaneously of on-load switch with the striker of fuse.
6. integral intelligent assembly transformer substation as claimed in claim 1; it is characterized in that: described comprehensive intelligent distribution box and distribution low-voltage protection switch case; adjusted by fuse disconnecting switch or frame circuit breaker or breaker of plastic casing, Intelligent capacitor group or intelligence and mend Capacitor banks, Intelligent power distribution terminal etc. and form, meet the requirement of low-pressure side protection and multichannel low-pressure line-outgoing.
7. integral intelligent assembly transformer substation as claimed in claim 6, is characterized in that: described comprehensive intelligent distribution box and distribution low-voltage protection switch case and transformer connect as one structure by bolt is dismountable.
8. integral intelligent assembly transformer substation as claimed in claim 7, is characterized in that: comprehensive intelligent distribution box or distribution low-voltage protection switch case are integral type rectangular box structure.
9. integral intelligent assembly transformer substation as claimed in claim 1, is characterized in that: outdoor integrated intelligences combination electrical equipment by the floor installation bottom it at the top of transformer.
10. integral intelligent assembly transformer substation as claimed in claim 1, is characterized in that: described frame shell all around every face all has two chamber doors.
CN201510322117.6A 2015-06-12 2015-06-12 Integrated intelligent combination transformer station Active CN104967036B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105490196A (en) * 2016-02-03 2016-04-13 天津合纵电力设备有限公司 Compact box type substation
CN106532488A (en) * 2016-10-21 2017-03-22 山东鲁控电力设备有限公司 Integrated multi-functional bench-type transformer and integrated power distribution box
CN107591720A (en) * 2017-09-15 2018-01-16 江苏其厚智能电气设备有限公司 Intelligent substation on integrated post

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JP2006014500A (en) * 2004-06-25 2006-01-12 Kawamura Electric Inc Cubicle
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CN203967585U (en) * 2014-05-08 2014-11-26 江西森田电力设备有限公司 The intellectual pole prefabricated substation that takes of 10KV
CN204130971U (en) * 2014-09-27 2015-01-28 刘洋 A kind of medium landscape type Energy-saving box becomes
CN204835331U (en) * 2015-06-12 2015-12-02 江苏其厚智能电气设备有限公司 Integration intelligence combination transformer substation

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004084368A1 (en) * 2003-03-19 2004-09-30 Shanghai Kehong Electric Apparatus Co., Ltd. A combined transformer and frefabricated substations
JP2006014500A (en) * 2004-06-25 2006-01-12 Kawamura Electric Inc Cubicle
US20070070583A1 (en) * 2005-08-12 2007-03-29 Callsen Thomas P Multi-compartmental transformer and methods of maintenance therefor
CN201266795Y (en) * 2008-08-14 2009-07-01 成都科星电力电器有限公司 Semi-buried premounting transformer substation
CN203967585U (en) * 2014-05-08 2014-11-26 江西森田电力设备有限公司 The intellectual pole prefabricated substation that takes of 10KV
CN204130971U (en) * 2014-09-27 2015-01-28 刘洋 A kind of medium landscape type Energy-saving box becomes
CN204835331U (en) * 2015-06-12 2015-12-02 江苏其厚智能电气设备有限公司 Integration intelligence combination transformer substation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105490196A (en) * 2016-02-03 2016-04-13 天津合纵电力设备有限公司 Compact box type substation
CN106532488A (en) * 2016-10-21 2017-03-22 山东鲁控电力设备有限公司 Integrated multi-functional bench-type transformer and integrated power distribution box
CN107591720A (en) * 2017-09-15 2018-01-16 江苏其厚智能电气设备有限公司 Intelligent substation on integrated post

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