CN110311367A - Power supply unit and power supply system - Google Patents
Power supply unit and power supply system Download PDFInfo
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- CN110311367A CN110311367A CN201910675209.0A CN201910675209A CN110311367A CN 110311367 A CN110311367 A CN 110311367A CN 201910675209 A CN201910675209 A CN 201910675209A CN 110311367 A CN110311367 A CN 110311367A
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- unit
- power supply
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- power distribution
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
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- Power Engineering (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
Present disclose provides a kind of power supply units, comprising: is connected with external power source multiple DC voltage units, each of the multiple DC voltage unit DC voltage unit includes rectifier；And power distribution unit, the power distribution unit are connect with the multiple DC voltage unit, the power distribution unit is connect with electrical equipment.Wherein, the alternating current received is converted into direct current for receiving the alternating current from the external power supply, and by the rectifier by the multiple DC voltage unit；The power distribution unit is for receiving the direct current from the multiple DC voltage unit, with to the power supply for electrical equipment.
Description
Technical field
This disclosure relates to electronic technology field, more particularly, to a kind of power supply unit and power supply system.
Background technique
With the high speed development of China's economy, finance, financial industry carries out the data center of processing running to key message
Quantity size it is growing huge.Nearly 20 years, financial company was the high speed development for coping with own service, had started newly-built enlarging
The climax of large-scale data center.From the single computer room of early stage, multiple large-scale, the ultra-large type data centers in strange land till now, base
Infrastructure scale and quantity increase in explosive, and the high construction cost of the infrastructure of conventional data centers, operation energy consumption are high, manage
The problems such as reason difficulty is big is of increasing concern and payes attention to.Financial data center infrastructure industry seeks the technology updated, more preferable
Framework, more preferably operation management practice, on the basis of " safe and stable " theory of conventional data centers, further seek for
" green energy conservation ", " intelligent O&M " reduces construction and operation cost, simplifies O&M operational administrative difficulty, quick response business hair
Exhibition.High voltage direct current (high-voltage direct current, HVDC) power supply technique is higher, theoretical because of its theoretical reliability
Power supply efficiency is higher, more green energy conservation, has come into the application study scope at financial data center.
Currently, HVDC system fails in financial data center large-scale application, one of the main reasons is HVDC power supply
System there are problems that it is difficult in maintenance, be difficult to cope with emergency, and HVDC power supply system is caused to be difficult in such as financial industry
It promotes and uses in the data center of equal high safety grades.
Summary of the invention
In view of this, present disclose provides a kind of power supply unit and power supply systems.
An aspect of this disclosure provides a kind of power supply unit, comprising: is connected with external power source multiple DC voltages
Unit, each of the multiple DC voltage unit DC voltage unit includes rectifier；And power distribution unit, institute
It states power distribution unit to connect with the multiple DC voltage unit, the power distribution unit is connect with electrical equipment；Wherein,
The multiple DC voltage unit will be received for receiving the alternating current from the external power supply, and by the rectifier
Alternating current be converted into direct current；The power distribution unit is for receiving the direct current from the multiple DC voltage unit
Electricity, with to the power supply for electrical equipment.
In accordance with an embodiment of the present disclosure, power distribution unit includes multiple sub- power distribution units, the multiple sub- power supply
The sub- power distribution unit of each of allocation unit respectively at least two direct currents in the multiple DC voltage unit
Press unit connection.
In accordance with an embodiment of the present disclosure, electrical equipment includes multiple electrical equipments, in the multiple sub- power distribution unit
At least two sub- power distribution units be configured as a power supply group to form multiple power supply groups, each power supply group and institute
State the electrical equipment connection in multiple electrical equipments.
In accordance with an embodiment of the present disclosure, each of multiple DC voltage units DC voltage unit further includes energy storage list
Member, the energy-storage units are connected with corresponding rectifier and the power distribution unit, and the energy-storage units are used for the electricity
The power supply of source allocation unit.
In accordance with an embodiment of the present disclosure, the multiple DC voltage unit is configured as the multiple DC voltage unit
Total power supply capacity is greater than electricity consumption required for the electrical equipment.
In accordance with an embodiment of the present disclosure, each of the multiple DC voltage unit DC voltage unit includes multiple
Rectifier, the multiple rectifier provide direct current to the power distribution unit respectively.
In accordance with an embodiment of the present disclosure, each of the multiple DC voltage unit DC voltage unit further includes storage
Electric unit, the charge storage unit is connect with each of the multiple rectifier rectifier or the charge storage unit includes
Multiple charge storage units, each of the multiple charge storage unit charge storage unit are connect with a rectifier respectively.
Another aspect of the disclosure provides a kind of power supply system, including power supply unit and at least one electrical equipment.
At least one described electrical equipment is connect with the power supply unit, wherein the power supply unit includes: to be connected with external power source
Multiple DC voltage units, each of the multiple DC voltage unit DC voltage unit includes rectifier；And electricity
Source allocation unit, the power distribution unit are connect with the multiple DC voltage unit, the power distribution unit and electricity consumption
Equipment connection；Wherein, the multiple DC voltage unit is for receiving the alternating current from the external power supply, and passes through described
The alternating current received is converted into direct current by rectifier；The power distribution unit comes from the multiple direct current for receiving
The direct current of unit is pressed, with to the power supply for electrical equipment.
In accordance with an embodiment of the present disclosure, power distribution unit includes multiple sub- power distribution units, the multiple sub- power supply
The sub- power distribution unit of each of allocation unit respectively at least two direct currents in the multiple DC voltage unit
Press unit connection.
In accordance with an embodiment of the present disclosure, electrical equipment includes multiple electrical equipments, in the multiple sub- power distribution unit
At least two sub- power distribution units be configured as a power supply group to form multiple power supply groups, each power supply group and institute
State the electrical equipment connection in multiple electrical equipments.
In accordance with an embodiment of the present disclosure, each of multiple DC voltage units DC voltage unit further includes energy storage list
Member, the energy-storage units are connected with corresponding rectifier and the power distribution unit, and the energy-storage units are used for the electricity
The power supply of source allocation unit.
In accordance with an embodiment of the present disclosure, multiple DC voltage units are configured as the power supply of the multiple DC voltage unit
Total capacity is greater than electricity consumption required for the electrical equipment.
In accordance with an embodiment of the present disclosure, each of multiple DC voltage units DC voltage unit includes multiple rectifications
Device, the multiple rectifier provide direct current to the power distribution unit respectively.
In accordance with an embodiment of the present disclosure, each of multiple DC voltage units DC voltage unit further includes storage list
Member, the charge storage unit is connect with each of the multiple rectifier rectifier or the charge storage unit includes multiple
Charge storage unit, each of the multiple charge storage unit charge storage unit are connect with a rectifier respectively.
In accordance with an embodiment of the present disclosure, can at least be partially solved HVDC system there are it is difficult in maintenance, be difficult to cope with it is tight
The problem of anxious situation, and therefore may be implemented to safeguard HVDC system in the case where not influencing to power supply for electrical equipment,
And cope with the technical effect of emergency.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present disclosure, the above-mentioned and other purposes of the disclosure, feature and
Advantage will be apparent from, in the accompanying drawings:
Fig. 1 diagrammatically illustrates the signal of the exemplary architecture that can apply power supply unit according to the embodiment of the present disclosure
Figure；
Fig. 2 diagrammatically illustrates the exemplary structure schematic diagram that can apply power supply unit according to the embodiment of the present disclosure；
Fig. 3 diagrammatically illustrates the signal of the exemplary architecture of the another application power supply unit according to the embodiment of the present disclosure
Figure；
Fig. 4 diagrammatically illustrates the schematic diagram of the power supply unit according to another embodiment of the disclosure；
Fig. 5 diagrammatically illustrates the structural schematic diagram of the HVDC unit according to another embodiment of the disclosure；
Fig. 6 diagrammatically illustrates the schematic diagram that charge storage unit is connect with multiple rectifiers；And
Fig. 7 diagrammatically illustrates the schematic diagram that charge storage unit is connect with multiple rectifiers；
Specific embodiment
Hereinafter, will be described with reference to the accompanying drawings embodiment of the disclosure.However, it should be understood that these descriptions are only exemplary
, and it is not intended to limit the scope of the present disclosure.In the following detailed description, to elaborate many specific thin convenient for explaining
Section is to provide the comprehensive understanding to the embodiment of the present disclosure.It may be evident, however, that one or more embodiments are not having these specific thin
It can also be carried out in the case where section.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid
Unnecessarily obscure the concept of the disclosure.
Term as used herein is not intended to limit the disclosure just for the sake of description specific embodiment.It uses herein
The terms "include", "comprise" etc. show the presence of the feature, step, operation and/or component, but it is not excluded that in the presence of
Or add other one or more features, step, operation or component.
There are all terms (including technical and scientific term) as used herein those skilled in the art to be generally understood
Meaning, unless otherwise defined.It should be noted that term used herein should be interpreted that with consistent with the context of this specification
Meaning, without that should be explained with idealization or excessively mechanical mode.
It, in general should be according to this using statement as " at least one in A, B and C etc. " is similar to
Field technical staff is generally understood the meaning of the statement to make an explanation (for example, " system at least one in A, B and C "
Should include but is not limited to individually with A, individually with B, individually with C, with A and B, with A and C, have B and C, and/or
System etc. with A, B, C).Using statement as " at least one in A, B or C etc. " is similar to, generally come
Saying be generally understood the meaning of the statement according to those skilled in the art to make an explanation (for example, " having in A, B or C at least
One system " should include but is not limited to individually with A, individually with B, individually with C, with A and B, have A and C, have
B and C, and/or the system with A, B, C etc.).
In accordance with an embodiment of the present disclosure, most widely used at present power supply system is uninterruptible power supply
(Uninterruptible Power System/Uninterruptible Power Supply, UPS) equipment.UPS equipment is
It by rectifier rectification is direct current by alternating current (i.e. industrial-frequency alternating current), using inverter by converting direct-current power into alternating-current power,
Alternating current is transported to power distribution unit, to pass through power distribution unit to power supply for electrical equipment.It is often wrapped in UPS equipment
Alternating current bypass is included, i.e. alternating current is delivered directly to power distribution unit by bypass, with when reorganizer failure, alternating current passes through bypass
Directly power to power distribution unit.
However, the direct current of HVDC power supply unit output, and the output of mains-supplied is alternating current.Direct current and alternating current
Between because of the reasons such as power supply system difference, switchgear difference, phase-amplitude difference, HVDC be difficult construct mains-supplied bypass,
And bypassed even if being realized by complicated architectures, it also cannot achieve the direct current electricity output of main road and exchanging between electricity output for bypass
" uninterrupted " switching, therefore the equal none-disk terminal of HVDC power supply unit at present.No mains-supplied bypass, to the online of HVDC power supply unit
Maintenance causes difficulty, also unfavorable to emergency response.Therefore, high financial data prostheses are required in business continuance
Computer room, it is more difficult to be widely applied.
Embodiment of the disclosure provides a kind of power supply unit to solve on existing for HVDC power supply unit in the prior art
State problem.The power supply unit may include being connected with external power source multiple DC voltage units and power distribution unit.Electricity
Source allocation unit is connect with multiple DC voltage units and electrical equipment connection.Multiple DC voltage units are for receiving from outer
The alternating current of portion's power supply, and the alternating current received is converted by direct current by rectifier.Power distribution unit is for receiving
Direct current from multiple DC voltage units, with to power supply for electrical equipment.Wherein, each of multiple DC voltage units
DC voltage unit includes rectifier.
Fig. 1 diagrammatically illustrates can show using the exemplary architecture 100 of power supply unit according to the embodiment of the present disclosure
It is intended to.
As shown in Figure 1, may include external equipment 101, power supply unit 102 and multiple servers in the framework 100.Its
In, multiple servers can be electrical equipment.
In accordance with an embodiment of the present disclosure, external equipment 101 for example can provide industrial-frequency alternating current to power supply unit 102.For
Industrial-frequency alternating current is converted into direct current by electric installation 102, and the direct current is transported to multiple servers, with to multiple servers
The high voltage direct current of high reliablity, green energy conservation is provided.
It is to be appreciated that the server in Fig. 1 is only a kind of example of electrical equipment, electrical equipment can be any
Electronic equipment.Electrical equipment, that is, server number is only schematical in Fig. 1.According to actual needs, it can have any
The electrical equipment of number.
Fig. 2 diagrammatically illustrates the exemplary structure schematic diagram of the power supply unit 102 according to the embodiment of the present disclosure.
Fig. 3 diagrammatically illustrate according to the embodiment of the present disclosure can be using the exemplary architecture 200 of power supply unit 102
Schematic diagram.
As shown in Fig. 2, power supply unit 102 may include multiple DC power source units (hereinafter referred to as " HVDC unit ") 112
~132 and power distribution unit (Power Distribution Unit, PDU).Wherein, each of multiple HVDC units
HVDC unit includes AC/DC rectifier.
As shown in figure 3, multiple HVDC units 112~132 are connect with external power supply 101.PDU105 and multiple HVDC units
112~132 connections, and connect with for example multiple servers of electrical equipment.
Multiple HVDC units 112~132 will connect for receiving the alternating current from external power supply 101, and by rectifier
The alternating current received is converted into direct current.PDU105 comes from such as three HVDC units 112,122 and of HVDC unit for receiving
The direct current of HVDC unit 132, to power to for example multiple servers of electrical equipment.
In accordance with an embodiment of the present disclosure, in the power supply unit 102 multiple HVDC units output DC current to
PDU105, so that not influencing PDU105 when the rectifier fault of a HVDC unit in multiple HVDC units and being set to electricity consumption
It is standby that direct current is provided.It on the other hand, can be successively by one in multiple HVDC units if necessary to be safeguarded to HVDC unit
HVDC cell isolation goes out power supply system, to not influence power supply unit to electricity consumption while safeguarding to the HVDC unit
Equipment power supply, runs with not influencing the business of electrical equipment.
It can also be appreciated that the number of HDVC unit is only schematical in Fig. 2.It, can be with according to needs are realized
With any number of HDVC unit.
In accordance with an embodiment of the present disclosure, the total power supply capacity that multiple HDVC units are configured as multiple HDVC units is greater than institute
State electricity consumption required for electrical equipment.For example, 2 HVDC units are able to satisfy 6 server power demands, and power supply unit
It may include 3 HVDC units in 102, to make HDVC unit redundancy.In accordance with an embodiment of the present disclosure, there are HDVC unit is superfluous
Remaining power supply unit can further guarantee not influencing power supply unit 102 in any one idle situation of HVDC unit
To power supply for electrical equipment, to not influence the service operation of electrical equipment.
With continued reference to FIG. 2, in accordance with an embodiment of the present disclosure, as shown in Fig. 2, power supply unit 102 may include multiple
HVDC unit and a PDU unit.Such as three HVDC units 112, HVDC unit 122 and HVDC unit 132 can be in parallel, and
Such as three HVDC units 112, HVDC unit 122 and HVDC unit 132 after connection are connected with external equipment 101, with from outside
Power supply 101 obtains alternating current.Wherein, respective rectifier converts alternating current to direct current in each HDVC unit, and
It is transported in PUD 105, to give power supply for electrical equipment via PDU 105.
Fig. 4 diagrammatically illustrates the schematic diagram of the power supply unit 410 according to another embodiment of the disclosure.
As shown in figure 4, power supply unit 410 may include such as three HVDC units 411, HVDC unit 412 and HVDC mono-
Member 413 and PDU 414.Wherein, PDU 414 can wrap enclosed tool PDU4141 and sub- PDU4142.
It can also be appreciated that the number of HDVC unit and sub- PDU are only schematical in Fig. 4.According to realization need
It wants, can have any number of HDVC unit and sub- PDU.
In accordance with an embodiment of the present disclosure, multiple in the case where power distribution unit includes multiple sub- power distribution units
The sub- power distribution unit of each of sub- power distribution unit can respectively at least two HVDC in multiple HVDC units
Unit connection.As shown in figure 4, sub- PDU4141 can be connect with HVDC unit 411, HVDC unit 412 and HVDC unit 413 connects
It connects.Sub- power distribution unit 4142 can also be connect with HVDC unit 411, HVDC unit 412 and HVDC unit 413 connects.
In accordance with an embodiment of the present disclosure, in this embodiment, if there are multiple, multiple sub- power distribution units for electrical equipment
In at least two sub- power distribution units be configured as a power supply group to form multiple power supply groups.Wherein, each power supply group
It is connect with an electrical equipment in multiple electrical equipments.
In accordance with an embodiment of the present disclosure, it is greater than 2 sub- power distribution units if it exists, then in sub- power distribution unit
Any at least two sub- power distribution unit can be configured as a power supply group to form multiple power supply groups.
In accordance with an embodiment of the present disclosure, at least two sub- power distribution units in multiple sub- power distribution units respectively by
It is configured to a power supply group and can be whole sub- power distribution units as a power supply group, the power supply to form multiple power supply groups
Group is to each power supply for electrical equipment.
As shown in figure 4, sub- PDU 4141 and sub- PDU 4142 is a power supply group, which supplies to each server
Electricity.
Fig. 5 diagrammatically illustrates the structural schematic diagram of the HVDC unit 510 according to another embodiment of the disclosure.
As shown in figure 5, HVDC unit 510 can also include on the basis of HVDC unit shown in Fig. 2 includes rectifier
Energy-storage units 511.Energy-storage units 511 in the HVDC unit rectifier and PDU connect.Energy-storage units 511 are used to supply to PDU
Electricity.
In accordance with an embodiment of the present disclosure, it is stored with direct current in energy-storage units 511, in the case where rectifier fault, storage
Energy unit 511 discharges, and conveys electric energy to PDU.
In accordance with an embodiment of the present disclosure, the part of direct current in the direct current of rectifier output can flow to energy-storage units
511, direct current is stored by energy-storage units 511, another part direct current can flow to PDU.
In accordance with an embodiment of the present disclosure, energy-storage units 511 for example can be battery.
According to other embodiments of the disclosure, each of multiple HVDC units HVDC unit may include multiple whole
Device is flowed, multiple rectifiers provide direct current to power distribution unit respectively.The power supply unit makes as one in HVDC unit
In the case where rectifier fault, start the work of another rectifier, to further ensure power supply unit in an emergency situation
It can work normally.
In those embodiments, each of multiple HVDC units HVDC unit can also include charge storage unit, storage
Unit is connect with each of multiple rectifiers rectifier or charge storage unit includes multiple sub- charge storage units, multiple sub- storages
The sub- charge storage unit of each of electric unit is connect with a rectifier respectively.
Fig. 6 diagrammatically illustrates a kind of example schematic diagram that charge storage unit is connect with multiple rectifiers.
As shown in fig. 6, HVDC unit 610 includes multiple rectifiers and charge storage unit 611.Wherein, charge storage unit 611 can be with
It is connect with each of multiple rectifiers rectifier.
Fig. 7 diagrammatically illustrates the schematic diagram that charge storage unit is connect with multiple rectifiers.
As shown in fig. 7, HVDC unit 710 may include multiple rectifiers and multiple charge storage units, in multiple charge storage units
Each charge storage unit connect respectively with a rectifier.Such as charge storage unit 711 and rectifier 714 connect, charge storage unit
712 and rectifier 713 connect.
In accordance with an embodiment of the present disclosure, above-mentioned power supply unit can be realized the appearance of the part HVDC in multiple HVDC units
It in the case where failure, can power incessantly to electrical equipment, while in the case where not having a power failure to electrical equipment, it can be right
HVDC unit carries out on-line maintenance maintenance.
Another aspect of the present disclosure provides a kind of power supply system.The power supply system may include power supply unit and at least one
A electrical equipment, at least one electrical equipment are connect with power supply unit.Power supply unit may include: be connected with external power source it is more
A DC voltage unit, each of the multiple DC voltage unit DC voltage unit includes rectifier；And power supply
Allocation unit, the power distribution unit are connect with the multiple DC voltage unit, and the power distribution unit is set with electricity consumption
Standby connection；Wherein, the multiple DC voltage unit is for receiving the alternating current from the external power supply, and passes through described whole
It flows device and the alternating current received is converted into direct current；The power distribution unit comes from the multiple DC voltage for receiving
The direct current of unit, with to the power supply for electrical equipment.
It will be understood by those skilled in the art that the feature recorded in each embodiment and/or claim of the disclosure can
To carry out multiple combinations and/or combination, even if such combination or combination are not expressly recited in the disclosure.Particularly, exist
In the case where not departing from disclosure spirit or teaching, the feature recorded in each embodiment and/or claim of the disclosure can
To carry out multiple combinations and/or combination.All these combinations and/or combination each fall within the scope of the present disclosure.Above to the disclosure
Embodiment be described.But the purpose that these embodiments are merely to illustrate that, and it is not intended to the limitation disclosure
Range.Although respectively describing each embodiment above, but it is not intended that the measure in each embodiment cannot be advantageous
Ground is used in combination.The scope of the present disclosure is defined by the appended claims and the equivalents thereof.The scope of the present disclosure, this field are not departed from
Technical staff can make a variety of alternatives and modifications, these alternatives and modifications should all be fallen within the scope of the disclosure.
Claims (10)
1. a kind of power supply unit, comprising:
It is connected with external power source multiple DC voltage units, each of the multiple DC voltage unit DC voltage list
Member includes rectifier；And
Power distribution unit, the power distribution unit are connect with the multiple DC voltage unit, the power distribution unit
It is connect with electrical equipment；
Wherein, the multiple DC voltage unit is for receiving the alternating current from the external power supply, and passes through the rectification
The alternating current received is converted into direct current by device；
The power distribution unit is for receiving the direct current from the multiple DC voltage unit, with to the electrical equipment
Power supply.
2. power supply unit according to claim 1, wherein the power distribution unit includes multiple sub- power distribution lists
Member, the sub- power distribution unit of each of the multiple sub- power distribution unit is respectively and in the multiple DC voltage unit
At least two DC voltage units connection.
3. power supply unit according to claim 2, wherein the electrical equipment includes multiple electrical equipments, the multiple
At least two sub- power distribution units in sub- power distribution unit are configured as a power supply group to form multiple power supply groups, often
A power supply group is connect with an electrical equipment in the multiple electrical equipment.
4. power supply unit according to claim 1, wherein each of the multiple DC voltage unit DC voltage
Unit further includes energy-storage units, and the energy-storage units are connected with corresponding rectifier and the power distribution unit, the energy storage
Unit is used to power to the power distribution unit.
5. power supply unit according to claim 1, wherein the multiple DC voltage unit is configured as the multiple straight
The total power supply capacity for flowing voltage cell is greater than electricity consumption required for the electrical equipment.
6. power supply unit according to claim 1, wherein each of the multiple DC voltage unit DC voltage
Unit includes multiple rectifiers, and the multiple rectifier provides direct current to the power distribution unit respectively.
7. power supply unit according to claim 6, wherein each of the multiple DC voltage unit DC voltage
Unit further includes charge storage unit, and the charge storage unit is connect or described with each of the multiple rectifier rectifier
Charge storage unit includes multiple charge storage units, and each of the multiple charge storage unit charge storage unit connects with a rectifier respectively
It connects.
8. a kind of power supply system, comprising:
Power supply unit；
At least one electrical equipment, at least one described electrical equipment are connect with the power supply unit,
Wherein, the power supply unit includes:
It is connected with external power source multiple DC voltage units, each of the multiple DC voltage unit DC voltage list
Member includes rectifier；And
Power distribution unit, the power distribution unit are connect with the multiple DC voltage unit, the power distribution unit
It is connect with electrical equipment；
Wherein, the multiple DC voltage unit is for receiving the alternating current from the external power supply, and passes through the rectification
The alternating current received is converted into direct current by device；
The power distribution unit is for receiving the direct current from the multiple DC voltage unit, with to the electrical equipment
Power supply.
9. power supply system according to claim 8, wherein the power distribution unit includes multiple sub- power distribution lists
Member, the sub- power distribution unit of each of the multiple sub- power distribution unit is respectively and in the multiple DC voltage unit
At least two DC voltage units connection.
10. power supply system according to claim 9, wherein the electrical equipment includes multiple electrical equipments, the multiple
At least two sub- power distribution units in sub- power distribution unit are respectively configured as a power supply group to form multiple power supplys
Group, each power supply group are connect with an electrical equipment in the multiple electrical equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910675209.0A CN110311367A (en) | 2019-07-24 | 2019-07-24 | Power supply unit and power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910675209.0A CN110311367A (en) | 2019-07-24 | 2019-07-24 | Power supply unit and power supply system |
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| CN110311367A true CN110311367A (en) | 2019-10-08 |
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| CN201549892U (en) * | 2009-11-17 | 2010-08-11 | 中国移动通信集团公司 | DC power supply control system |
| CN102480126A (en) * | 2010-11-24 | 2012-05-30 | 湖南丰日电源电气股份有限公司 | High voltage direct current power supply with modules of different capacities working in parallel |
| CN103970221A (en) * | 2013-01-30 | 2014-08-06 | 鸿富锦精密工业（深圳）有限公司 | Data center and power supply system for supplying electricity to data center |
| CN104538948A (en) * | 2014-12-26 | 2015-04-22 | 中达电通股份有限公司 | High-voltage direct-current power supply system and power supply control method thereof |
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2019
- 2019-07-24 CN CN201910675209.0A patent/CN110311367A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201549892U (en) * | 2009-11-17 | 2010-08-11 | 中国移动通信集团公司 | DC power supply control system |
| CN102480126A (en) * | 2010-11-24 | 2012-05-30 | 湖南丰日电源电气股份有限公司 | High voltage direct current power supply with modules of different capacities working in parallel |
| CN103970221A (en) * | 2013-01-30 | 2014-08-06 | 鸿富锦精密工业（深圳）有限公司 | Data center and power supply system for supplying electricity to data center |
| CN104538948A (en) * | 2014-12-26 | 2015-04-22 | 中达电通股份有限公司 | High-voltage direct-current power supply system and power supply control method thereof |
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Application publication date: 20191008 |