CN109326981A - A kind of miniaturized intelligent preassembled transformer station - Google Patents
A kind of miniaturized intelligent preassembled transformer station Download PDFInfo
- Publication number
- CN109326981A CN109326981A CN201811466766.3A CN201811466766A CN109326981A CN 109326981 A CN109326981 A CN 109326981A CN 201811466766 A CN201811466766 A CN 201811466766A CN 109326981 A CN109326981 A CN 109326981A
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- Prior art keywords
- room
- low
- transformer
- transformer station
- cabinet
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The present invention relates to a kind of miniaturized intelligent preassembled transformer stations, including cabinet shell (1), low-pressure chamber and hyperbaric chamber, be equipped in the shell high-voltage ring main unit (2), transformer (3), in low-pressure line-outgoing cabinet (4) and distribution automation room and auxiliary device (5), the transformer (3) are located at the middle part of cabinet shell (1)；The hyperbaric chamber is located at the right back of cabinet shell (1)；Distribution automation room and auxiliary device (5) use are wall-mounted, are located at the right front of cabinet shell (1)；The low-pressure chamber is located at the left back of cabinet shell (1)；The outer dimension of the substation is 2.65 meters wide × 1.35 meters deep × 1.9 meters high, and occupied area is 3.58 square metres, and occupied area is about 45% that standard European case becomes, and occupied area is minimum.Substation of the invention has the advantages that small in size, intelligence degree is high, factory prefabricating, modularization, O&M are convenient, high degree of automation.
Description
Technical field
The present invention relates to controller switching equipment technical fields, in particular to a kind of miniaturized intelligent preassembled transformer station.
Background technique
European-type box change is a kind of common power supply unit.European-type box change is by transformer and common high and low voltage electrical equipment equipment
Loaded in the same metal shell cabinet, low-pressure chamber, transformer room, hyperbaric chamber are mesh font arrangements.European-type box body technique is mature,
Technologically advanced, securely and reliably, factory prefabricating may be implemented in high degree of automation, and combination is flexible.
Because its have the advantages that it is above, European-type box change is widely used.But due to being used commonly in European-type box change
High voltage load switch and fuse, low-tension switch cabinet, distribution terminal, so European-type box variable volume is larger.By general European-type box
Become: 3.6 meters wide × deep 2.2 meters of calculating, 7.92 square metres of occupied area.More harsh city and ground are required in some land occupations
Side, the size of occupied area are particularly important.
Such as Authorization Notice No. is the Chinese utility model patent of CN203553686 U, it discloses a kind of small intelligents
Preassembled transformer station, including transformer station box and loaded capacity-regulated transformer, characterized in that further include being built in transformer station box
High-tension switch cabinet and low pressure combination sideboard are divided into hyperbaric chamber and low-pressure chamber in transformer station box, are equipped with high-voltage switch gear in hyperbaric chamber
Cabinet, low pressure combination sideboard is equipped in low-pressure chamber, and hyperbaric chamber, low-pressure chamber are respectively equipped with the room door of independent switch, are equipped on the door of room
Intelligent entrance guard, is equipped with fire-retardant partition between hyperbaric chamber, low-pressure chamber, hyperbaric chamber low-pressure chamber bottom plate is equipped with inlet-outlet line cable aperture, institute
It states loaded capacity-regulated transformer and is mounted on transformer station box top, be equipped between loaded capacity-regulated transformer surrounding and transformer station box
Blind window.
In another example Authorization Notice No. is the Chinese utility model patent of 201051618 Y of CN, it discloses one kind to have
The pre-mounted box type transformer substation of hanging structure, the pre-mounted box type transformer substation mainly include shell；It is provided with high pressure inside the shell
Room, low-pressure chamber, transformer room；It is provided with low voltage component in low-pressure chamber, is fixed with support on the indoor partition of low pressure；
It is supported by copper bar bus line on the support；Low voltage component is articulated on copper bar bus line.The indoor copper bar bus line of low pressure is both logical
Electric conductor, but be mount low voltage component support frame reduce support frame compared with prior art, significantly reduce
Low-pressure chamber space.But the substation is suitable only for landing installation；And hyperbaric chamber lacks safeguard measure, makes to livewire work person
At security risk.
Summary of the invention
In order to solve above-mentioned technological deficiency of the existing technology, the purpose of the present invention is to provide a kind of miniaturized intelligents
Preassembled transformer station, to solve the problems, such as to take up a large area in the prior art, poor safety performance.
A kind of miniaturized intelligent preassembled transformer station according to the invention, including cabinet shell, low-pressure chamber and hyperbaric chamber, should
High-voltage ring main unit, transformer, low-pressure line-outgoing cabinet and distribution automation room and auxiliary device are equipped in shell, the transformer is located at
The middle part of cabinet shell；The hyperbaric chamber is located at the right back of cabinet shell；Distribution automation room and auxiliary device use wall hanging
Formula, positioned at the right front of cabinet shell；The low-pressure chamber is located at the left back of cabinet shell；The outer dimension of the substation is width
2.65 meters × 1.35 meters deep × 1.9 meters high, occupied area is 3.58 square metres, and occupied area is about 45% that standard European case becomes,
Occupied area is minimum.Substation of the invention is with small in size, intelligence degree is high, factory prefabricating, modularization, O&M side
Just, the advantages of high degree of automation.
A kind of miniaturized intelligent preassembled transformer station of the invention is equipped with electric quantity acquisition room, communication room, automation room, adopts
It is communicated with optical fiber and GPRS, intelligence degree is high；And designed using damascene structures structure, occupied space is economic；Using one
Grade efficiency transformer, heat source are effectively controlled；Using T-type heat dissipation channel, heat dissipation ventilation and cable duct wet steam problem are had
Effect improves, and has fully met the temperature increase requirement of case change.
Preferably, the high-voltage ring main unit match bottom incoming and two-way outlet all the way, the two-way outlet be all the way after
To transformer, another way bottom part ring goes out portion's outlet.
In any of the above-described scheme preferably, the transformer is top inlet wire, cabling on cable rack, the optional 630kVA of specification
And it is following；Low-pressure line-outgoing cabinet is rear portion inlet wire, cabling in the raised floor.
In any of the above-described scheme preferably, the distribution automation room and auxiliary device configure on demand；Electric quantity acquisition
Room is equipped with electric energy meter, concentrator and reserved intelligent distribution transformer terminals；Communication room is equipped with optical network unit ONU, optical splitter, optical fiber distributing
Frame ODF and interchanger, intelligence degree are high.
In any of the above-described scheme preferably, the low pressure indoor arrangement low-pressure line-outgoing cabinet, emergency power supply room and automatic
Change room；The hyperbaric chamber layout high-voltage ring main unit, electric quantity acquisition room and communication room.
In any of the above-described scheme preferably, the electric quantity acquisition room and communication room use damascene structures, are located at case
The left front of body case.
In any of the above-described scheme preferably, motor-operating mechanism is equipped in the high-voltage ring main unit；High-voltage ring main unit
Pattern is laid out using CCF from left to right.
In any of the above-described scheme preferably, the high-voltage ring main unit is rear portion outlet, from transformer top inlet wire, line
Cable is easy for installation, moves towards beautiful and easily fixes, improve the installation effectiveness of cable, more saving space and occupied area.
In any of the above-described scheme preferably, the rear portion outlet of the high-voltage ring main unit to the part of transformer is equipped with two
A cable anchor ear.
In any of the above-described scheme preferably, the top high-voltage inlet wire of the transformer using barrel forms and is equipped with anti-
Shield, it can be achieved that directly plug, standardized work, substantially increase equipment installation convenience and reliability；The top of transformer
Portion's low-pressure line-outgoing uses copper bar form.
In any of the above-described scheme preferably, metering current mulual inductor, sample rate current are equipped in the low-pressure line-outgoing cabinet
Mutual inductor, intelligent electric meter, fuse, arrester and four road breaker of plastic casing.
In any of the above-described scheme preferably, the top and the bottom of the left and right side of the low-pressure line-outgoing cabinet are equipped with hundred
Leaf window and heat release hole increase case and become inner air circulation.
In any of the above-described scheme preferably, shutter and heat dissipation are increased below the top cover surrounding of the low-pressure line-outgoing cabinet
Hole improves radiating efficiency, can reach the good heat dissipation effect of cabinet shell by natural air cooled, meets temperature increase requirement,
Reduce the energy and material consumption.
In any of the above-described scheme preferably, there are gaps between the outgoing line cabinet and high-voltage ring main unit, ensure that heat
Amount diffusion in time, is effectively improved the ventilation and heat of low-pressure line-outgoing cabinet.
In any of the above-described scheme preferably, the distribution automation room and auxiliary device are to distribution transformer and each portion
The supervising and management in real time of part state.Distribution automation room and auxiliary device carry out real-time monitoring to equipment operation condition and accuse
It is alert, it is recorded by distribution automation room and auxiliary device Shang Song main website accident alarming, quickly and accurately finds and provide failure and set
Standby specific location and fault message, mitigates on-the-spot make an inspection tour many and diverse in the past, inspection, operation element, and convenient for safeguarding and accident is robbed
It repairs, increases substantially working efficiency, to realize that distribution automation management provides true, reliable and accurate foundation.
In any of the above-described scheme preferably, the rear portion of the emergency power supply room is from pressure change chamber inlet wire, and right side outlet is extremely
Low-voltage cabinet.
In any of the above-described scheme preferably, the lower section of the lower left of the low-pressure line-outgoing cabinet and the emergency power supply room
Equipped with inspection manhole.
In any of the above-described scheme preferably, the transformer uses level-one efficiency transformer, greatly reduces heat source
Efficiency.
In any of the above-described scheme preferably, the distribution automation and auxiliary device use wall-mounted DTU, greatly save
Space is saved.
In conclusion miniaturized intelligent preassembled transformer station of the invention have the advantage that it is small in size, saved about
55% occupied area substantially increases the service efficiency of material, great excellent to the more harsh city of occupied area and place
Gesture；It is equipped with motor-operating mechanism and distribution automation room and auxiliary device is realized to distribution transformer and all parts state
Supervising and management in real time meets the needs that adaptation to local conditions carries out intelligent power distribution network construction；It is equipped with emergency power supply room and manhole, greatly
Facilitate O&M maintenance；Shutter and heat release hole are increased below the side of cabinet shell and top cover surrounding, improves heat dissipation effect
Rate can reach the good heat dissipation effect of cabinet shell by natural air cooled, meet temperature increase requirement, reduce the energy and material disappears
Consumption.
Detailed description of the invention
Fig. 1 is the main view of a preferred embodiment of miniaturized intelligent preassembled transformer station according to the invention.
Fig. 2 is the side view of the embodiment illustrated in fig. 1 of miniaturized intelligent preassembled transformer station according to the invention.
Fig. 3 is that the embodiment illustrated in fig. 1 of miniaturized intelligent preassembled transformer station according to the invention removes external door and low pressure
The structural schematic diagram of outlet cabinet door.
Fig. 4 is the left side view of the embodiment illustrated in fig. 3 of miniaturized intelligent preassembled transformer station according to the invention.
Fig. 5 is the right side view of the embodiment illustrated in fig. 3 of miniaturized intelligent preassembled transformer station according to the invention.
Fig. 6 be miniaturized intelligent preassembled transformer station according to the invention embodiment illustrated in fig. 1 in remove cabinet shell
Top cover top view.
Detailed description of the invention:
Cabinet shell 1, high-voltage ring main unit 2, transformer 3, low-pressure line-outgoing cabinet 4, distribution automation room and auxiliary device 5, electronic behaviour
Make mechanism 6, metering current mulual inductor 7, kilowatt-hour meter 8, emergency power supply case 10, fuse 11, arrester 12, breaker of plastic casing 13,
Intelligent distribution transformer terminals 14, protective net 15, optical network unit ONU 16, optical splitter 17, Optical Distribution Frame ODF 18, interchanger 19.
Specific embodiment
The following description is substantially only exemplary and is not intended to the limitation disclosure, application or purposes.Below
It is further described in conjunction with specific embodiment of the Figure of description to miniaturized intelligent preassembled transformer station of the present invention.
As shown in Figure 1-Figure 3, a preferred embodiment structure of miniaturized intelligent preassembled transformer station according to the invention is shown
It is intended to.The purpose of the present invention is to provide a kind of miniaturized intelligent preassembled transformer stations, including cabinet shell 1, low-pressure chamber and height
Pressure chamber, the shell is interior to be equipped with high-voltage ring main unit 2, transformer 3, low-pressure line-outgoing cabinet 4 and distribution automation room and auxiliary device 5, institute
State the middle part that transformer 3 is located at cabinet shell 1；The hyperbaric chamber is located at the right back of cabinet shell 1, having a size of 900mm ×
1350mm；Distribution automation room and the use of auxiliary device 5 are wall-mounted, positioned at the right front of cabinet shell 1；The low-pressure chamber is located at
The left back of cabinet shell 1, having a size of 700mm × 1350mm；The outer dimension of the substation is 2.65 meters wide × 1.35 meters deep
× 1.9 meters high, occupied area is 3.58 square metres, and occupied area is about 45% that standard European case becomes, and occupied area is minimum.This
The substation of invention is with small in size, intelligence degree is high, factory prefabricating, modularization, O&M are convenient, high degree of automation
Advantage.It automates room to design using damascene structures, having a size of wide 800mm × depth 150mm × high 1500mm.
In the present embodiment, the high-voltage ring main unit 2 matches bottom incoming and two-way outlet all the way, and the two-way outlet is one
To transformer 3, another way bottom part ring goes out the outlet of road rear portion.
In the present embodiment, the transformer 3 is top inlet wire, cabling on cable rack, the optional 630kVA of specification and following；Low pressure
Outgoing line cabinet 4 is rear portion inlet wire, cabling in the raised floor.
In the present embodiment, the distribution automation room and auxiliary device 5 configure on demand；Electric quantity acquisition room 9 is equipped with electric energy
Table 8, concentrator 21 and reserved intelligent distribution transformer terminals 14；Communication room 10 is equipped with optical network unit ONU 17, optical splitter 18, optical fiber and matches
Coil holder ODF19 and interchanger 20, using fiber optic communication, intelligence degree is high.
In the present embodiment, the low pressure indoor arrangement low-pressure line-outgoing cabinet 4, emergency power supply room and automation room；The height
Pressure chamber is laid out high-voltage ring main unit 2, electric quantity acquisition room 9 and communication room 10.Ring network cabinet size are as follows: wide 1050mm × depth 800mm × height
1650mm, electric quantity acquisition room are designed using damascene structures, size are as follows: wide 600mm × depth 150mm × high 600mm, communication room are adopted
It is designed with damascene structures, size are as follows: 600mm × depth 150mm × high 900mm.
In the present embodiment, the electric quantity acquisition room 9 and communication room 10 use damascene structures, positioned at cabinet shell 1
Left front.
In the present embodiment, as shown in Figure 5 equipped with motor-operating mechanism 6(in the high-voltage ring main unit 2)；High-voltage ring main unit
2 are laid out pattern using CCF from left to right.
In the present embodiment, the high-voltage ring main unit 2 is rear portion outlet, and from transformer top inlet wire, cable is easy for installation,
It moves towards beautiful and easily fixes, improve the installation effectiveness of cable, more saving space and occupied area.
In the present embodiment, the part of rear portion outlet to the transformer of the high-voltage ring main unit 2 is set there are two cable anchor ear.
In the present embodiment, the top high-voltage inlet wire of the transformer 3 using barrel forms and is equipped with protective net 15 and prevents
Shield 16, it can be achieved that directly plug, standardized work, substantially increase equipment installation convenience and reliability；Transformer 3
Top low-pressure line-outgoing uses copper bar form.
As shown in fig. 4-5, the left side of the embodiment illustrated in fig. 3 of miniaturized intelligent preassembled transformer station according to the invention
View.
In the present embodiment, metering current mulual inductor 7, sampling current transformer, intelligence are equipped in the low-pressure line-outgoing cabinet 4
Ammeter, fuse 11, arrester 12 and four road breaker of plastic casing 13.
In the present embodiment, the top and the bottom of the left and right side of the low-pressure line-outgoing cabinet 4 are equipped with shutter and heat dissipation
Hole increases case and becomes inner air circulation.
In the present embodiment, shutter and heat release hole are increased below the top cover surrounding of the low-pressure line-outgoing cabinet 4, improved scattered
The thermal efficiency can reach the good heat dissipation effect of cabinet shell by natural air cooled, meet temperature increase requirement, reduce the energy and material
Material consumption.
In the present embodiment, it ensure that heat there are gap (as shown in Figure 6) between the outgoing line cabinet 4 and high-voltage ring main unit 2
Amount diffusion in time, is effectively improved the ventilation and heat of low-pressure line-outgoing cabinet.
In the present embodiment, the reality of the distribution automation room and auxiliary device 5 to distribution transformer and each unit status
When monitoring and management.Distribution automation room and auxiliary device 5 carry out real-time monitoring to equipment operation condition and alert, and pass through distribution
Room and 5 Shang Song main website accident alarming of auxiliary device record are automated, the specific position of faulty equipment is quickly and accurately found and provide
It sets and fault message, mitigation on-the-spot make an inspection tour many and diverse in the past, inspection, operation element, convenient for safeguarding and accident maintenance significantly mentions
High working efficiency, to realize that distribution automation management provides true, reliable and accurate foundation.
In the present embodiment, the rear portion of the emergency power supply room is from transformer room's inlet wire, right side outlet to low-voltage cabinet.Emergency
Power supply room can be when there is emergency in transformer or ring network cabinet, the low-pressure line-outgoing of disconnecting transformer, access emergency power supply, real
Now to the normal power supply of low-voltage cabinet.
In the present embodiment, the lower section of the lower left of the low-pressure line-outgoing cabinet 4 and the emergency power supply room is equipped with maintenance people
Hole, the size of inspection manhole are 600mm × 400mm.
In the present embodiment, the transformer 3 uses level-one efficiency transformer, greatly reduces the efficiency of heat source.
In the present embodiment, the distribution automation and auxiliary device 5 use wall-mounted DTU, have been greatly saved space.
It will be apparent to those skilled in the art that miniaturized intelligent preassembled transformer station of the invention includes each in this specification
Partial any combination.As space is limited and in order to keep specification concise, these combinations are not discussed in detail one by one herein, but sees
After crossing this specification, the scope of the present invention that any combination of each section being made of this specification is constituted is self-evident.
Claims (10)
1. a kind of miniaturized intelligent preassembled transformer station, including cabinet shell (1), low-pressure chamber and hyperbaric chamber, it is equipped in the shell
High-voltage ring main unit (2), transformer (3), low-pressure line-outgoing cabinet (4) and distribution automation room and auxiliary device (5), it is characterised in that:
Transformer (3) is located at the middle part of cabinet shell (1)；The hyperbaric chamber is located at the right back of cabinet shell (1)；Distribution automation room
And auxiliary device (5) use is wall-mounted, is located at the right front of cabinet shell (1)；The low-pressure chamber is located at a left side for cabinet shell (1)
Rear.
2. miniaturized intelligent preassembled transformer station as described in claim 1, it is characterised in that: the outer dimension of the substation is
2.65 meters wide × 1.35 meters deep × 1.9 meters high, occupied area is 3.58 square metres.
3. miniaturized intelligent preassembled transformer station as described in claim 1, it is characterised in that: high-voltage ring main unit (2) is with all the way
Bottom incoming and two-way outlet, the two-way outlet are that rear portion outlet all the way goes out to transformer (3), another way bottom part ring.
4. miniaturized intelligent preassembled transformer station as described in claim 1, it is characterised in that: transformer (3) is top inlet wire,
Cabling on cable rack；Low-pressure line-outgoing cabinet (4) is rear portion inlet wire, cabling in the raised floor.
5. miniaturized intelligent preassembled transformer station as described in claim 1, it is characterised in that: distribution automation room and attached set
Standby (5) configure on demand；Electric quantity acquisition room (9) is equipped with electric energy meter (8), concentrator (21) and reserved intelligent distribution transformer terminals (14)；It is logical
Believe that room (10) are equipped with optical network unit ONU (17), optical splitter (18), fibre distribution frame ODF(19) and interchanger (20).
6. miniaturized intelligent preassembled transformer station as described in claim 1, it is characterised in that: the low pressure indoor arrangement low pressure
Outgoing line cabinet (4), emergency power supply room and automation room；The hyperbaric chamber is laid out high-voltage ring main unit (2), electric quantity acquisition room (9) and leads to
Believe room (10).
7. miniaturized intelligent preassembled transformer station as claimed in claim 6, it is characterised in that: electric quantity acquisition room (9) and communication
Room (10) uses damascene structures, is located at the left front of cabinet shell (1).
8. miniaturized intelligent preassembled transformer station as claimed in claim 1 or 3, it is characterised in that: set in high-voltage ring main unit (2)
There are motor-operating mechanism (6)；High-voltage ring main unit (2) is laid out pattern using CCF from left to right.
9. miniaturized intelligent preassembled transformer station as claimed in claim 1 or 3, it is characterised in that: after high-voltage ring main unit (2) is
Portion's outlet, from transformer top inlet wire.
10. miniaturized intelligent preassembled transformer station as claimed in claim 9, it is characterised in that: the rear portion of high-voltage ring main unit (2)
The part of outlet to transformer is set there are two cable anchor ear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811466766.3A CN109326981A (en) | 2018-12-03 | 2018-12-03 | A kind of miniaturized intelligent preassembled transformer station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811466766.3A CN109326981A (en) | 2018-12-03 | 2018-12-03 | A kind of miniaturized intelligent preassembled transformer station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109326981A true CN109326981A (en) | 2019-02-12 |
Family
ID=65256544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811466766.3A Withdrawn CN109326981A (en) | 2018-12-03 | 2018-12-03 | A kind of miniaturized intelligent preassembled transformer station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109326981A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112670A (en) * | 2019-06-12 | 2019-08-09 | 江苏其厚智能电气设备有限公司 | Preassembled transformer station is minimized on a kind of column |
| CN110504636A (en) * | 2019-09-25 | 2019-11-26 | 江苏华富电力科技有限公司 | Landscape advertising lamp house formula minimizes substation |
| EP3846298A1 (en) * | 2020-01-02 | 2021-07-07 | Sungrow Power Supply Co., Ltd. | Prefabricated substation |
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| CN201937186U (en) * | 2010-12-29 | 2011-08-17 | 天津市天开高压电力成套技术有限公司 | Box body of intelligent box-type converting station |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110112670A (en) * | 2019-06-12 | 2019-08-09 | 江苏其厚智能电气设备有限公司 | Preassembled transformer station is minimized on a kind of column |
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| EP3846298A1 (en) * | 2020-01-02 | 2021-07-07 | Sungrow Power Supply Co., Ltd. | Prefabricated substation |
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Application publication date: 20190212 |