CN214626485U - Rectification inversion system and power supply vehicle - Google Patents

Rectification inversion system and power supply vehicle Download PDF

Info

Publication number
CN214626485U
CN214626485U CN202022748157.6U CN202022748157U CN214626485U CN 214626485 U CN214626485 U CN 214626485U CN 202022748157 U CN202022748157 U CN 202022748157U CN 214626485 U CN214626485 U CN 214626485U
Authority
CN
China
Prior art keywords
inverter
power supply
power
fuel cell
rectification
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202022748157.6U
Other languages
Chinese (zh)
Inventor
李洪涛
王存平
丁建武
宋一凡
于浩然
姜秀丽
付颖涛
宋玉晨
韩辉
常磊
李闫
王鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
Beijing Lead Electric Equipment Co Ltd
Beijing Huashang Sanyou New Energy Technology Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
Beijing Lead Electric Equipment Co Ltd
Beijing Huashang Sanyou New Energy Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Beijing Electric Power Co Ltd, Beijing Lead Electric Equipment Co Ltd, Beijing Huashang Sanyou New Energy Technology Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202022748157.6U priority Critical patent/CN214626485U/en
Application granted granted Critical
Publication of CN214626485U publication Critical patent/CN214626485U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/10Applications of fuel cells in buildings
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16Mechanical energy storage, e.g. flywheels or pressurised fluids
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model discloses a rectification contravariant system and supply vehicle. Wherein, this rectification inverter system includes: the inverter is connected with rectifier, load respectively, and mains supply is connected with the rectifier, and back-up source connects on the circuit between inverter and rectifier, and mains supply, back-up source are used for supplying power for the load respectively, and wherein, back-up source includes at least: an energy storage system and a hydrogen fuel cell power generation system. The utility model provides a current uninterrupted power source car reserve time short, maintenance cycle short, the comparatively serious technical problem of environmental pollution.

Description

Rectification inversion system and power supply vehicle
Technical Field
The utility model relates to an uninterrupted power source car field particularly, relates to a rectification inverter system and supply vehicle.
Background
The conventional uninterruptible power supply vehicle usually adopts a scheme of 'an uninterruptible power supply + a lead-acid battery'. The energy storage unit of the existing uninterruptible power supply vehicle generally consists of a maintenance-free lead-acid storage battery or a lithium battery, the energy storage capacity/backup delay time is limited by the number of the batteries, and pollution of different degrees exists. For example, when an existing uninterruptible power supply vehicle runs, a rectification inverter system is in a running state, and once equipment fails, the power consumption of a load may be interrupted. In addition, for example, the use of a lead-acid battery, a lithium battery, or the like as a backup battery for an uninterruptible power supply vehicle has problems of short uninterruptible power supply backup time, short maintenance cycle, poor maintainability, short battery life, severe environmental pollution, and high operating environment requirements.
In view of the above problems, no effective solution has been proposed.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a rectification contravariant system and supply vehicle to at least, solve current uninterrupted power source car reserve time short, maintenance cycle short, the comparatively serious technical problem of environmental pollution.
According to an aspect of the embodiment of the utility model provides a rectification inverter system, include: the inverter is connected with rectifier, load respectively, mains with the rectifier is connected, and back-up source is connected the inverter with on the circuit between the rectifier, mains the back-up source be used for respectively doing the load power supply, wherein, back-up source includes at least: an energy storage system and a hydrogen fuel cell power generation system.
Optionally, the system is configured to convert the mains power supply into direct current via the rectifier to charge the energy storage system.
Optionally, the system is configured to, when the utility power fails, discharge the backup power source, and the backup power source is converted by the inverter to supply power to the load.
Optionally, the system further comprises: and a first end of the static switch is connected with a first power supply, and a second end of the static switch is connected on a line between the inverter and the load.
Optionally, the system further comprises: and a first end of the manual switch is connected with a second power supply, and a second end of the manual switch is connected on a line between the inverter and the load.
Optionally, the hydrogen fuel cell power generation system comprises at least a hydrogen fuel cell, a hydrogen storage container, and a hydrogen fuel power generation device, wherein the hydrogen fuel cell comprises a plurality of sets of modular fuel cells.
Optionally, the hydrogen fuel cell power generation system further includes: an external hydrogen storage container.
Optionally, the energy storage system comprises at least a flywheel energy storage device.
According to the utility model discloses on the other hand, still provide a supply vehicle, including vehicle chassis and rectification contravariant system, wherein, vehicle chassis is used for bearing rectification contravariant system, rectification contravariant system be any one of the aforesaid rectification contravariant system.
Optionally, the power supply vehicle further includes: and the carriage body is arranged on the automobile chassis and used for protecting the rectification inverter system.
The embodiment of the utility model provides an in, adopt the dc-to-ac converter to be connected with rectifier, load respectively, mains with the rectifier is connected, and back-up source connects the dc-to-ac converter with on the circuit between the rectifier, mains the back-up source is used for doing respectively the load power supply, wherein, back-up source includes at least: energy storage system, hydrogen fuel cell power generation system, through the embodiment of the utility model provides an in the rectification contravariant system, use flywheel energy memory and hydrogen fuel cell as energy storage unit to realized increasing reserve delay time, reduced environmental pollution, improved the technical effect of reliability of supplying power, and then solved current uninterrupted power source car reserve time weak point, maintenance cycle weak point, environmental pollution comparatively serious technical problem.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic diagram of a rectification inverter system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of another rectification and inversion system according to an embodiment of the present invention;
fig. 3 is a schematic diagram of another rectification inverter system according to an embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. a mains supply; 12. a rectifier; 14. an inverter; 16. a load; 18. a backup power supply; 181. an energy storage system; 183. a hydrogen fuel cell power generation system; 20. a first power supply; 22. a static switch; 30. a second power supply; 32. and (4) a manual switch.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
According to the utility model discloses an aspect of the embodiment provides a rectification inverter system, and fig. 1 is according to the utility model discloses a rectification inverter system's schematic diagram, as shown in fig. 1, this rectification inverter system can include: commercial power 10, rectifier 12, inverter 14, load 16, backup power 18, wherein, backup power 18 includes at least: an energy storage system 181 and a hydrogen fuel cell power generation system 183.
The inverter 14 is connected to the rectifier 12 and the load 16, the commercial power source 10 is connected to the rectifier 12, the backup power source 18 is connected to a line between the inverter 14 and the rectifier 12, and the commercial power source 10 and the backup power source 18 are used for supplying power to the load 16, so as to form a rectification and inversion loop.
The rectification inversion system can be applied to an uninterruptible power supply vehicle.
As an optional embodiment, the energy storage system 181 uses flywheel energy storage as an auxiliary backup battery of the uninterruptible power supply vehicle, so as to avoid the problem of frequent start and stop of the fuel cell due to power grid flickering, and prolong the service life of the hydrogen fuel cell.
As an alternative embodiment, the hydrogen fuel cell power generation system 183 uses a hydrogen fuel cell as a main backup battery of the uninterruptible power supply vehicle, so as to avoid the disadvantages of a common battery.
Through the embodiment, the flywheel energy storage and hydrogen fuel cell can be used for replacing a lead-acid battery or a lithium battery and used as a backup power source of the uninterruptible power supply vehicle, so that the system stability can be greatly improved, and the uninterruptible power supply time can be infinitely prolonged. It should be noted that, the battery of the uninterruptible power supply vehicle is "flywheel energy storage + hydrogen fuel battery", which not only has the advantages of environmental protection, but also has the characteristics of long backup time, high reliability, no maintenance, and the like.
In the embodiment of the present invention, the inverter 14 is adopted to be connected with the rectifier 12 and the load 16 respectively, the commercial power source 10 is connected with the rectifier 12, the backup power source 18 is connected on the line between the inverter 14 and the rectifier 12, the commercial power source 10 and the backup power source 18 are used for supplying power to the load 16 respectively, wherein the backup power source 18 at least includes: energy storage system 181, hydrogen fuel cell power generation system 183, through the embodiment of the utility model provides an in the rectification contravariant system, use flywheel energy memory and hydrogen fuel cell as the energy storage unit to realized increasing reserve delay time, reduced environmental pollution, improved the technological effect of reliability of supplying power, and then solved current uninterrupted power source car reserve time weak point, maintenance cycle weak point, environmental pollution comparatively serious technical problem.
Optionally, the system is used to convert the mains supply 10 into dc power via a rectifier 12 to charge the energy storage system 181.
Optionally, the system is used to discharge the backup power source 18 and convert it to power the load 16 via the inverter 14 in the event of a failure of the mains supply 10.
According to an aspect of the embodiments of the present invention, there is provided another rectification inverter system, fig. 2 is a schematic diagram of another rectification inverter system according to the embodiments of the present invention, as shown in fig. 2, this rectification inverter system may further include: a static switch 22, a first terminal of the static switch 22 being connected to the first power source 20, and a second terminal of the static switch 22 being connected to a line between the inverter 14 and the load 16.
As an alternative embodiment, the static switch 22 is connected in parallel with the rectification inverter circuit, and in the uninterruptible operation mode of the uninterruptible power supply vehicle, the first power supply 20 supplies a stable power supply to the load 16 through the static switch 22, and after the first power supply 20 fails, the rectification inverter circuit is switched to supply power.
According to an aspect of the embodiments of the present invention, there is provided another rectification inverter system, fig. 3 is a schematic diagram of another rectification inverter system according to the embodiments of the present invention, as shown in fig. 3, this rectification inverter system may further include: and a manual switch 32, wherein a first end of the manual switch 32 is connected to the second power supply 30, and a second end of the manual switch 32 is connected to a line between the inverter 14 and the load 16.
As an alternative embodiment, the manual switch 32 is connected in parallel with the static switch 22 and the rectification and inversion circuit, wherein when the static switch 22 and the rectification and inversion circuit are overhauled or the commercial power source 10 and the first power source 20 are failed, the second power source 30 supplies power to the load 16 through the manual switch 32.
The utility power supply 10, the first power supply 20, and the second power supply 30 may be 3-channel different upper-stage power supplies, may be 2-channel different upper-stage power supplies (the utility power supply 10 and the first power supply 20, or the first power supply 20 and the second power supply 30, or the utility power supply 10 and the second power supply 30 are the same upper-stage power supply), and may be 1-channel upper-stage power supplies.
In addition, a static switch bypass and a manual switch bypass are added to the rectification inverter circuit through the implementation mode, so that 3 different external power supplies can be accessed, the overall failure rate of the system can be reduced, and the power supply reliability is improved.
Alternatively, the above-described hydrogen fuel cell power generation system 183 is at least a hydrogen fuel cell, a hydrogen storage container, a hydrogen fuel power generation device, wherein the hydrogen fuel cell includes a plurality of sets of modular fuel cells.
The above-described hydrogen fuel cell power generation system 183 may be composed of a hydrogen fuel cell, a hydrogen storage container, and other necessary devices. After the commercial power source 10 is lost, the hydrogen fuel cell is started to generate electric power.
The hydrogen fuel cell power generation system 183 is composed of a plurality of groups of modularized fuel cells, and can increase the power generation capacity in a mode of increasing fuel cell modules, and meanwhile, the modularized design is convenient to operate and overhaul.
Alternatively, the above-described hydrogen fuel cell power generation system 183 further includes: an external hydrogen storage container.
The hydrogen fuel cell power generation system 183 may extend the power generation time of the hydrogen fuel cell by externally connecting a hydrogen storage container.
Optionally, the energy storage system 181 includes at least a flywheel energy storage device.
The energy storage system 181 may store electric energy, and when the voltage of the utility power fluctuates or the power fails, the energy storage system 181 discharges and starts the hydrogen fuel cell to generate electric energy, thereby ensuring that the load 16 supplies power without interruption.
In a specific implementation process, the energy storage system 181 may be a flywheel energy storage device, or may be a storage battery or other energy storage devices.
Example 2
According to the utility model discloses on the other hand, still provide a supply vehicle, including vehicle chassis and rectification inverter system, wherein, vehicle chassis is used for bearing rectification inverter system, and this rectification inverter system is the rectification inverter system of any one of the aforesaid.
The power supply vehicle is a large-capacity uninterruptible power supply vehicle based on a hydrogen fuel cell, and may further include, in addition to the vehicle chassis and the rectification inverter system: a whole vehicle leveling system, an in-cabin temperature control system, a fire safety system, a power distribution system and the like. The power supply vehicle outputs a three-phase/single-phase power supply to the outside, provides uninterrupted power supply guarantee for important places and major activities, and is suitable for places such as urban areas, fields, emergency rescue and disaster relief.
As an optional embodiment, the whole vehicle leveling system can greatly shorten the preparation time and improve the maneuverability of the uninterruptible power supply vehicle.
As an optional embodiment, the cabin temperature control system is used for regulating and controlling the temperature in the compartment body and ensuring the reliable operation of the equipment.
As an alternative embodiment, the control system is used for controlling each device in the vehicle to operate normally.
As an alternative embodiment, the fire safety system is used for effectively monitoring the fire in the vehicle, controlling the fire, rapidly extinguishing the fire and ensuring personal safety and equipment safety.
As an optional embodiment, the power distribution system is used for realizing management and distribution of electric energy, and ensuring stability of the system.
Optionally, the power supply vehicle further includes: and the carriage body is arranged on the automobile chassis and used for protecting the rectification inverter system.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (9)

1. A rectifying inverter system, comprising:
the inverter is connected with rectifier, load respectively, mains with the rectifier is connected, and back-up source is connected the inverter with on the circuit between the rectifier, mains the back-up source be used for respectively doing the load power supply, wherein, back-up source includes at least: an energy storage system, a hydrogen fuel cell power generation system;
the system further comprises: and a first end of the static switch is connected with a first power supply, and a second end of the static switch is connected on a line between the inverter and the load.
2. The system of claim 1, wherein the system is configured to convert the mains power to direct current via the rectifier to charge the energy storage system.
3. The system of claim 1, wherein the system is configured to discharge the backup power source and convert the discharge to the inverter to supply power to the load when the utility power fails.
4. The system of claim 1, further comprising: and a first end of the manual switch is connected with a second power supply, and a second end of the manual switch is connected on a line between the inverter and the load.
5. The system according to any one of claims 1 to 4, wherein the hydrogen fuel cell power generation system comprises at least a hydrogen fuel cell, a hydrogen storage container, a hydrogen fuel power generation device, wherein the hydrogen fuel cell comprises a plurality of sets of modular fuel cells.
6. The system according to claim 5, wherein the hydrogen fuel cell power generation system further comprises: an external hydrogen storage container.
7. The system according to any one of claims 1 to 4, wherein the energy storage system comprises at least a flywheel energy storage device.
8. A power supply vehicle is characterized by comprising an automobile chassis and a rectification inverter system, wherein the automobile chassis is used for carrying the rectification inverter system, and the rectification inverter system is the rectification inverter system in any one of claims 1 to 7.
9. The power cart of claim 8, further comprising: and the carriage body is arranged on the automobile chassis and used for protecting the rectification inverter system.
CN202022748157.6U 2020-11-23 2020-11-23 Rectification inversion system and power supply vehicle Active CN214626485U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022748157.6U CN214626485U (en) 2020-11-23 2020-11-23 Rectification inversion system and power supply vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022748157.6U CN214626485U (en) 2020-11-23 2020-11-23 Rectification inversion system and power supply vehicle

Publications (1)

Publication Number Publication Date
CN214626485U true CN214626485U (en) 2021-11-05

Family

ID=78428074

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022748157.6U Active CN214626485U (en) 2020-11-23 2020-11-23 Rectification inversion system and power supply vehicle

Country Status (1)

Country Link
CN (1) CN214626485U (en)

Similar Documents

Publication Publication Date Title
CN110571915A (en) Intelligent energy storage power supply vehicle uninterrupted power supply system device and control method thereof
CN115498752B (en) Hydrogen energy power and hydrogen energy power generation integrated mobile emergency power supply system
WO2023125709A1 (en) Bidirectional charger, power supply system, and power management method and apparatus
CN101710728A (en) Method and device for supplying power to chassis equipment of communication machine room
CN206259749U (en) Standby power system with energy storage effect
CN215120160U (en) Bus voltage self-adaptive emergency power supply system
CN201766409U (en) Continuous power-supply UPS matching device
CN111969708B (en) Battery replacement station protection system and protection method
CN111463787B (en) Flexible networking system for power grids with different voltage levels in enterprise
CN208904746U (en) A kind of regenerating braking energy management system and uninterruptible power system
CN214626485U (en) Rectification inversion system and power supply vehicle
CN110544933B (en) Control method and device of distributed direct current power supply system
CN110943476A (en) Multi-stage UPS parallel distributed control system and wiring circuit thereof
CN110867946A (en) Alternating current-direct current hybrid power supply integrated power supply
CN110867944A (en) Regenerative braking energy management system and uninterruptible power supply system
CN210608558U (en) High-voltage lithium battery low-voltage replacement standby power energy storage device
CN206282228U (en) Server intelligence power-off protection power supply
CN216016528U (en) Uninterrupted power supply access device and power generation vehicle using same
CN214900315U (en) Power supply system
CN114938066A (en) Data center power supply system and method
CN112462919A (en) Standby power supply system for internet data center
CN112366808A (en) Standby power supply system for internet data center
CN107994672A (en) There is the standby power system of energy storage
CN112467858A (en) Integrated charging and discharging system
CN111917172B (en) Uninterruptible power supply system and power distribution equipment

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant