CN205583821U - Portable modularization emergency repair alternating current -direct current integration power - Google Patents
Portable modularization emergency repair alternating current -direct current integration power Download PDFInfo
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- CN205583821U CN205583821U CN201620233507.6U CN201620233507U CN205583821U CN 205583821 U CN205583821 U CN 205583821U CN 201620233507 U CN201620233507 U CN 201620233507U CN 205583821 U CN205583821 U CN 205583821U
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- power supply
- battery
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- 230000010354 integration Effects 0.000 title abstract description 7
- 238000012544 monitoring process Methods 0.000 claims description 28
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 11
- 229910052744 lithium Inorganic materials 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 9
- 230000033228 biological regulation Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 4
- 230000001131 transforming effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 17
- 230000006870 function Effects 0.000 description 6
- 238000010998 test method Methods 0.000 description 4
- 238000000205 computational method Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 241000935974 Paralichthys dentatus Species 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a portable modularization emergency repair alternating current -direct current integration power, include the integrated main cabinet of the direct current that adopts quick connecting device to link together, hold battery cabinet and invertion power supply cabinet, it includes that the first battery cabinet of holding, the second laid side by side hold battery cabinet, the third holds battery cabinet and the fourth holds battery cabinet to hold battery cabinet, the main cabinet of direct current integration includes high frequency switching power supply module and control unit, the control unit is including exchanging control unit, direct current control unit, switching value control unit and insulating control unit, the lower part of the main cabinet of direct current integration is provided with AC socket and the direct current socket that is connected to the invertion power supply cabinet, group battery positive input terminal of the bottom of the main cabinet of direct current integration is connected with the first battery cabinet of holding group battery positive output terminal, and the group battery negative pole input terminal of the main cabinet of direct current integration is connected with the group battery output terminal that the fourth holds battery cabinet, the lower part of invertion power supply cabinet is provided with invertion power supply cabinet NULL socket and invertion power supply cabinet input socket.
Description
Technical field
This utility model relates to power domain, is specifically related to mobile modularized emergency first-aid repair AC/DC integrated power supply.
Background technology
Along with developing rapidly of power industry, for improving the power supply quality of electrical network, make power grid security, economical operation, and realize electricity
The automatization of Force system, thus the requirement to the key equipment control power supply of electric control system is more and more higher.In transformer station
The remote-controlled operation of relay protection automatic unit, advertiser, emergency lighting and electrical equipment, typically take DC source,
So the output quality of DC source and reliability are directly connected to safe operation and the steady electricity supply of transformer station.Therefore periodic maintenance
DC source is to ensure that the necessary means of safe operation.
There is difficult problem old transformer station and change alterating and direct current origin system without standby screen position in conventional integrated power supply；Ac and dc systems fault
Time without standby AC/DC integrated power supply.In transformer station, AC/DC integrated power-supply system in use there will be alternating current power supply
Disappear, time the short time cannot recover, accumulator battery over-discharge and ac and dc systems are changed without the problem of stand-by power supply etc.；Mesh
Lithium battery and light the most quickly emergency first-aid repair integrated power source apparatus is not the most used, in order to meet transformer station on front market
In the case of AC/DC integrated power system failure, can quickly replace former AC/DC integrated power-supply system, it is ensured that transformer station
Electricity system remains to stable operation, it is to avoid because DC system fault has an accident, and ad hoc meter have developed mobile modularized meeting an urgent need and robs
Repair AC/DC integrated power-supply system.
Utility model content
The purpose of this utility model is to avoid above-mentioned weak point of the prior art to provide mobile modularized emergency first-aid repair to hand over
Direct current integrated power supply.
The purpose of this utility model is achieved through the following technical solutions: provide mobile modularized emergency first-aid repair AC/DC integrated
Power supply, it is characterised in that: include the main cabinet of direct current integratedization, accumulator tank and the inversion using Quick Connect Kit to link together
Power cabinet；Described integrated power supply is connected by Quick Connect Kit with alternating current-direct current bus bar；Described accumulator tank uses to have and fills
Electric protection, over, overcurrent protection also can monitor the ferrum lithium storage battery of temperature, and it includes the first electric power storage laid side by side
Pond cabinet, the second accumulator tank, the 3rd accumulator tank and the 4th accumulator tank, be positioned at described first accumulator tank bottom first
Cell battery pack negative pole cabinet terminal and the second accumulator tank battery anode being positioned at bottom described second accumulator tank cabinet end
Son connects, the second accumulator tank battery electrode of described second accumulator tank cabinet terminal and the 3rd of described 3rd accumulator tank
Accumulator tank battery anode cabinet terminal connect, and the 3rd accumulator tank negative pole of described 3rd accumulator tank cabinet terminal are with described
4th accumulator tank battery anode of the 4th accumulator tank cabinet terminal connect；The main cabinet of described direct current integratedization includes HF switch
Power module and monitoring unit；Described monitoring unit include exchange monitoring unit, direct-current supervision unit, switching value monitoring unit and
Insulated monitoring unit；Described monitoring unit record possesses RS485, RJ45 communication interface, can realize with power station automation system even
Connect；Described monitoring unit record provides three-phase alternating current input；The bottom of the main cabinet of described direct current integratedization be provided be connected to described inverse
Variable power source cabinet to inverter ac socket with to inverter direct current jack；The set of cells of the bottom of the main cabinet of described direct current integratedization is just
Pole input terminal is connected with described first accumulator tank battery anode lead-out terminal, and the battery electrode of the main cabinet of direct current integratedization is defeated
Enter terminal and the 4th accumulator tank battery electrode lead-out terminal connects；The bottom of described inverter cabinet arranges promising transformer station and hands over
The inverter direct current input socket that flow device is powered and inverter ac input socket, wherein, power for transformer station's alternating current equipment
380V socket 2 and 220V socket 4.
Preferably, the battery capacity of described ferrum lithium storage battery is that 65AH/220V, 110kV transforming plant DC machine utilization is 6～7
A, 65AH battery capacity can be with load carrying about 10 hours, and 220kV transformer station can increase battery capacity.
Preferably, described inverter cabinet uses the sine-wave inverter of BSD series, uses sinusoidal wave pulse width technology, main electricity
Road uses Siemens's IGBT module, drives protection for Mitsubishi thick film circuit.
Preferably, described Quick Connect Kit is quick plug.
Preferably, the technical parameter of described integrated power supply is: AC-input voltage 3 phase 380V, VD DC220
V, average anode current 6 × 20A, communication output voltage DC48V, output electric current 20A, inverter output voltage AC380V/220
V, output are 5kVA, the precision of voltage regulation≤± 0.5%, precision of steady current≤± 1%, noise≤45dB, the method for operation is single
Bus runs.
Preferably, transformer station's alternating current equipment includes supervisory control of substation computer power supply, energy storing of switch motor etc..
Preferably, a length of 600mm of the main cabinet of described direct current integratedization, height are 1200mm；Described first accumulator tank,
The height of the second accumulator tank, the 3rd accumulator tank and the 4th accumulator tank is equal.
Preferably, the height of described first accumulator tank, the second accumulator tank, the 3rd accumulator tank and the 4th accumulator tank is 800
mm。
The beneficial effects of the utility model:
(1) the mobile modularized emergency first-aid repair AC/DC integrated power supply that embodiment of the present utility model is provided, uses module
Changing design, module assembled is simple, and volume is little, lightweight, it is simple to mobile, possesses alternating current power supply 380V/220V, DC source
220V, the communication output function of direct current 48V.This supply unit can meet transformer station in the event of AC/DC integrated power-supply system
In the case of barrier (such as: institute's electricity consumption alternating current power supply disappears, the short time cannot recover, accumulator battery over-discharge), quickly replace former
AC/DC integrated power-supply system, it is ensured that substation's electricity system remains to stable operation, it is to avoid because DC system fault stops
Electricity event.
(2) the mobile modularized emergency first-aid repair AC/DC integrated power supply that embodiment of the present utility model is provided, ferrum lithium electric power storage
Pond is under identical capacity specifications, and volume is little, lightweight, uses quick charge device, and ferrum lithium storage battery can fill in one hour
The electricity of full 80%, charging rate is fast, meets the actual effect of emergency first-aid repair；Additionally, use battery management system that ferrum lithium is stored
Battery is charged electric discharge management and testing result shows, the use of new forms of energy meets the requirement of national development low-carbon economy, meanwhile,
Method and national grid are to resource-conserving, environmentally friendly requirement and new technique, new product, the spiritual requirement of new material.
(3) the mobile modularized emergency first-aid repair AC/DC integrated power supply that embodiment of the present utility model is provided, can meet change
The different demands of power station routine AC/DC integrated power supply architecture, integrated power supply applied widely, quick and easy for installation, full
Foot emergency first-aid repair requirement, it is ensured that the firm reliability connected, security performance meets national requirements.
Accompanying drawing explanation
Utilize accompanying drawing that utility model is described further, but the embodiment in accompanying drawing do not constitute any restriction of the present utility model,
For those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other according to the following drawings
Accompanying drawing.
Fig. 1 is front view of the present utility model.
Fig. 2 is rearview of the present utility model.
Wherein: the main cabinet of 1-direct current integratedization, 2-inverter cabinet, 3-the first accumulator tank, 4-the second accumulator tank, 5-the 3rd stores
Battery rack, 6-the 4th accumulator tank, 7-battery anode input terminal, 8-battery electrode input terminal, 9-alternating current power supply inputs
Socket, 10-to inverter direct current jack, 11-to inverter ac socket, 12-inverter direct current input socket, 13-inverter is handed over
Stream input socket, 14-the first accumulator tank battery electrode cabinet terminal, 15-the first accumulator tank battery anode lead-out terminal,
16-the second accumulator tank battery electrode cabinet terminal, 17-the second accumulator tank battery anode cabinet terminal, 18-the 3rd electric power storage
Pond cabinet negative pole cabinet terminal, 19-the 3rd accumulator tank battery anode cabinet terminal, 20-the 4th accumulator tank battery electrode is defeated
Go out terminal, 21-the 4th accumulator tank battery anode cabinet terminal.
Detailed description of the invention
With the following Examples this utility model is further described.
Mobile modularized emergency first-aid repair AC/DC integrated power supply as shown in Figure 1 and Figure 2, including using Quick Connect Kit even
The main cabinet of the direct current integratedization being connected together 1, accumulator tank and inverter cabinet 2；Described integrated power supply leads to alternating current-direct current bus bar
Cross Quick Connect Kit to connect；Described accumulator tank uses to be had charge protection, over, overcurrent protection and can monitor
The ferrum lithium storage battery of temperature, it includes first accumulator tank the 3, second accumulator tank the 4, the 3rd accumulator tank 5 and laid side by side
4th accumulator tank 6, is positioned at the first cell battery pack negative pole of the bottom of described first accumulator tank 3 cabinet terminal 14 and position
The second accumulator tank battery anode cabinet terminal 17 bottom described second accumulator tank 4 connect, described second accumulator tank
3rd accumulator tank positive pole of the second accumulator tank battery electrode of 4 cabinet terminal 16 and described 3rd accumulator tank 5 cabinet end
Son 19 connects, the 3rd accumulator tank negative pole of described 3rd accumulator tank 5 cabinet terminal 18 and described 4th accumulator tank 6
4th accumulator tank battery anode cabinet terminal 21 connect；The main cabinet of described direct current integratedization 1 include high-frequency switching power supply module and
Monitoring unit；Described monitoring unit includes exchanging monitoring unit, direct-current supervision unit, switching value monitoring unit and insulated monitoring list
Unit；Described monitoring unit uses color touch screen to show, graphic interface, visual display system simulation drawing, and feasible system is joined
Number is arranged, system operational parameters shows, the system failure indicates and system parameter setting；Described monitoring unit log history fault and
Log storage bar number is relevant with residual memory space；Described monitoring unit record has battery and automatically manages function；Described prison
Control unit record has bus insulation monitoring function, busbar grounding fault warning；Described monitoring unit record has On-off signal
Alarm function, each On-off signal all can customize；Described monitoring unit record possesses RS485, RJ45 communication interface, can be real
Now it is connected with power station automation system；Described monitoring unit record provides three-phase alternating current input；The main cabinet of described direct current integratedization 1
Bottom be provided be connected to described inverter cabinet 2 to inverter ac socket 11 with to inverter direct current jack 10；Described
Battery anode input terminal 7 and the described first accumulator tank battery anode lead-out terminal of the bottom of the main cabinet of direct current integratedization 1
15 connect, battery electrode input terminal 8 and the described 4th accumulator tank battery electrode outfan of the main cabinet of direct current integratedization 1
Son 21 connects；The bottom of described inverter cabinet 2 is provided with inverter direct current input socket 12 and inverter ac input socket
13, wherein, the 380V socket 2 powered for transformer station's alternating current equipment and 220V socket 4.
Preferably, the battery capacity of ferrum lithium storage battery be 65AH/220V, 110kV transforming plant DC machine utilization 6～7A,
65AH battery capacity can be with load carrying about 10 hours, and 220kV transformer station can increase battery capacity；Ferrum lithium storage battery
Battery circuit there is charge protection, over, excess current protective function, and possess temperature-monitoring function；Inverter
Cabinet 2 uses the sine-wave inverter of BSD series, uses sinusoidal wave pulse width technology, and main circuit uses Siemens IGBT
Module, drives protection for Mitsubishi thick film circuit, has that reliability is high, defencive function is complete, wave distortion is little, high-power
Feature；The alternating current equipment of described transformer station includes supervisory control of substation computer power supply, energy storing of switch motor etc..
Preferably, Quick Connect Kit is quick plug；The structure of Quick Connect Kit has lightweight, the feature of conveniently moving,
It can be adjusted according to practical situation so that it is meets the requirements such as safe and reliable, modularity installation；The skill of described integrated power supply
Art parameter is: AC-input voltage 3 phase 380V, VD DC220V, average anode current 6 × 20A, communication
Output voltage DC48V, output electric current 20A, inverter output voltage AC380V/220V, output are 5kVA, voltage stabilizing essence
Degree≤± 0.5%, precision of steady current≤± 1%, noise≤45dB, the method for operation is single bus-bar operation.
Preferably, a length of 600mm of the main cabinet of direct current integratedization 1, height are 1200mm, are 2260mm compared to height
Conventional screen cabinet, not only saved cost, and its travelling performance be more convenient；First accumulator tank the 3, second electric power storage
The height of pond cabinet the 4, the 3rd accumulator tank 5 and the 4th accumulator tank 6 is equal, in the present embodiment, and the first accumulator tank 3,
The height of two accumulator tank the 4, the 3rd accumulator tanks 5 and the 4th accumulator tank 6 is 800mm.
Additionally, the test carrying out mobile modularized emergency first-aid repair AC/DC integrated power supply is as follows:
The test equipment used is as shown in the table:
| Sequence number | Title | Producer | Model |
| 1 | Numeral is formula circuit tester | FLUKE | FLUKE 115C |
| 2 | Electric current split-core type meter | FLUKE | FLUKE 373 |
| 3 | Straight-flow system comprehensive tester | Bold and generous electric power | FDT-220/110 |
Method of testing comprises the following steps:
(1) charger module voltage stabilizing: A, detecting instrument: three-phase regulator, rheostat, circuit tester, split-core type meter；B, test
Method: under floating charge state, AC-input voltage changes in the range of-the 10% to+15% of rated value, and output electric current exists
Changing in the range of rated value 0% to 100%, output keeps stable in the range of float charge voltage in any number；The precision of voltage regulation
Computational methods as follows:
(2) charger module current stabilization: A, detecting instrument: three-phase regulator, rheostat, circuit tester, split-core type meter；B, test
Method: under floating charge state, AC-input voltage changes in the range of-the 10% to+15% of rated value, and output voltage exists
Change in range of accommodation, output electric current keeps stable in the range of rated value 20% to 100% in any number, voltage stabilizing essence
The computational methods of degree are as follows:
(3) charger module ripple coefficient accuracy test: A, detecting instrument: three-phase regulator, rheostat, circuit tester,
Split-core type meter；B, test method: under floating charge state, AC-input voltage becomes in the range of-the 10% to+15% of rated value
Changing, output electric current changes in the range of rated value 0% to 100%, exports in the range of float charge voltage in any number, surely
The computational methods of pressure precision are as follows:
Supply unit test comprises the following steps: (1) assembles the main cabinet of direct current integratedization 1 and is connected with set of cells test system；(2)
Individually test inverter cabinet 2；(3) assemble the main cabinet of direct current integratedization 1, inverter cabinet 2 to be connected with set of cells test system.
The data test result that equipment runs is as shown in the table:
(1) #1 charger test:
1) #1 charger precision of voltage regulation test report (rated voltage 220V, the precision of voltage regulation≤± 0.5%):
2) #1 charger precision of steady current test report (rated current 10A, precision of steady current≤± 1%):
3) ripple coefficient accuracy test report (ripple coefficient precision≤± 0.5%)
(2) #2 charger test:
1) #2 charger precision of voltage regulation test report (rated voltage 220V, the precision of voltage regulation≤± 0.5%):
2) #2 charger precision of steady current test report (rated current 10A, precision of steady current≤± 1%):
3) ripple coefficient accuracy test report (ripple coefficient precision≤± 0.5%)
(3) battery discharging data:
Integration power-supply system provided by the present invention has three kinds of methods of operation: 1. when transformer station's AC system breaks down,
Use the mode of inverter cabinet 2 independent operating；2., when transformer station direct current system breaks down, the main cabinet of direct current integratedization is used
1 with accumulator tank combination mode run；3., when transformer station's ac and dc systems all breaks down, the main cabinet of direct current integratedization is used
1, the mode of accumulator tank and inverter cabinet 2 combination is run.
Above example is only in order to illustrate the technical solution of the utility model, rather than the restriction to this utility model protection domain, to the greatest extent
This utility model has been made to explain by pipe with reference to preferred embodiment, it will be understood by those within the art that, to this reality
Modify or equivalent by novel technical scheme, without deviating from the spirit and scope of technical solutions of the utility model.
Claims (8)
- The most mobile modularized emergency first-aid repair AC/DC integrated power supply, it is characterised in that: include using Quick Connect Kit to connect The main cabinet of direct current integratedization (1), accumulator tank and inverter cabinet (2) together；Described integrated power supply and alternating current-direct current bus Row is connected by Quick Connect Kit；Described accumulator tank uses has charge protection, over, overcurrent protection can The ferrum lithium storage battery of monitoring temperature, it first accumulator tank (3) including laying side by side, the second accumulator tank (4), the 3rd stores Battery rack (5) and the 4th accumulator tank (6), be positioned at the first cell battery pack of the bottom of described first accumulator tank (3) Negative pole cabinet terminal (14) and be positioned at the second accumulator tank battery anode the cabinet terminal of described second accumulator tank (4) bottom (17) connect, the second accumulator tank battery electrode of described second accumulator tank (4) cabinet terminal (16) and the described 3rd 3rd accumulator tank battery anode of accumulator tank (5) cabinet terminal (19) connect, described 3rd accumulator tank (5) 4th accumulator tank battery anode cabinet of the 3rd accumulator tank negative pole cabinet terminal (18) and described 4th accumulator tank (6) Terminal (21) connects；The main cabinet of described direct current integratedization (1) includes high-frequency switching power supply module and monitoring unit；Described monitoring is single Unit includes exchanging monitoring unit, direct-current supervision unit, switching value monitoring unit and insulated monitoring unit；Described monitoring unit record Possess RS485, RJ45 communication interface, can realize being connected with power station automation system；Described monitoring unit record provides three to intersect Stream input；The bottom of the main cabinet of described direct current integratedization (1) be provided be connected to described inverter cabinet (2) to inverter hand over Streaming socket (11) and to inverter direct current jack (10)；The battery anode of the bottom of the main cabinet of described direct current integratedization (1) is defeated Enter terminal (7) to be connected with described first accumulator tank battery anode lead-out terminal (15), the main cabinet of direct current integratedization (1) Battery electrode input terminal (8) is connected with the 4th accumulator tank battery electrode lead-out terminal (21)；Described inverter cabinet (2) bottom arranges inverter direct current input socket (12) that promising transformer station alternating current equipment powers and inserts with inverter ac input Seat (13), wherein, the 380V socket 2 powered for transformer station's alternating current equipment and 220V socket 4.
- Mobile modularized emergency first-aid repair AC/DC integrated power supply the most according to claim 1, it is characterised in that: described The battery capacity of ferrum lithium storage battery be 65AH/220V, 110kV transforming plant DC machine utilization 6～7A, 65AH battery Capacity can be with load carrying about 10 hours, and 220kV transformer station can increase battery capacity.
- Mobile modularized emergency first-aid repair AC/DC integrated power supply the most according to claim 1, it is characterised in that: described Inverter cabinet (2) uses the sine-wave inverter of BSD series, uses sinusoidal wave pulse width technology, and main circuit uses Germany Siemens's IGBT module, drives protection for Mitsubishi thick film circuit.
- Mobile modularized emergency first-aid repair AC/DC integrated power supply the most according to claim 1, it is characterised in that: described Quick Connect Kit is quick plug.
- Mobile modularized emergency first-aid repair AC/DC integrated power supply the most according to claim 1, it is characterised in that: described The alternating current equipment of transformer station includes supervisory control of substation computer power supply, energy storing of switch motor etc..
- Mobile modularized emergency first-aid repair AC/DC integrated power supply the most according to claim 1, it is characterised in that: described The technical parameter of integrated power supply is: AC-input voltage 3 phase 380V, VD DC 220V, direct current output electricity Stream 6 × 20A, communication output voltage DC48V, output electric current 20A, inverter output voltage AC380V/220V, output work Rate is 5kVA, the precision of voltage regulation≤± 0.5%, precision of steady current≤± 1%, noise≤45dB, the method for operation is single bus-bar operation.
- Mobile modularized emergency first-aid repair AC/DC integrated power supply the most according to claim 1, it is characterised in that: described The a length of 600mm of the main cabinet of direct current integratedization (1), height are 1200mm；Described first accumulator tank (3), the second storage The height of battery rack (4), the 3rd accumulator tank (5) and the 4th accumulator tank (6) is equal.
- Mobile modularized emergency first-aid repair AC/DC integrated power supply the most according to claim 1, it is characterised in that: described The height of the first accumulator tank (3), the second accumulator tank (4), the 3rd accumulator tank (5) and the 4th accumulator tank (6) is 800mm。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620233507.6U CN205583821U (en) | 2016-03-22 | 2016-03-22 | Portable modularization emergency repair alternating current -direct current integration power |
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| CN201620233507.6U CN205583821U (en) | 2016-03-22 | 2016-03-22 | Portable modularization emergency repair alternating current -direct current integration power |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656178A (en) * | 2016-03-22 | 2016-06-08 | 国网安徽省电力公司宣城供电公司 | Movable modular emergency repair alternating-current and direct-current integrated power source |
-
2016
- 2016-03-22 CN CN201620233507.6U patent/CN205583821U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656178A (en) * | 2016-03-22 | 2016-06-08 | 国网安徽省电力公司宣城供电公司 | Movable modular emergency repair alternating-current and direct-current integrated power source |
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