CN108649561A - Power supply system - Google Patents
Power supply system Download PDFInfo
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- CN108649561A CN108649561A CN201810404429.5A CN201810404429A CN108649561A CN 108649561 A CN108649561 A CN 108649561A CN 201810404429 A CN201810404429 A CN 201810404429A CN 108649561 A CN108649561 A CN 108649561A
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- Prior art keywords
- busbar
- power supply
- main line
- coupled
- load
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
- H02J3/0073—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing alternative feeding paths between load and source when the main path fails, e.g. transformers, busbars
Abstract
This application discloses a kind of power supply systems, belong to power supply and distribution technical field.Power supply system includes：At least two parallel main lines, every main line include：The N grade busbares being sequentially connected in series, and in N grades of busbares, the input terminal of first order busbar is coupled with power supply, the output end of afterbody busbar is coupled with load；For every main line, along the higher level's busbar and subordinate's busbar that power supply direction is connected with each other, the output end of higher level's busbar is also coupled with the input terminal of other subordinate's busbares, and at any one time, and a busbar in subordinate's busbar and other subordinate's busbares is coupled with higher level's busbar；For every main line, the busbar coupled with load is also coupled with the load in other main lines；Wherein, between the every two-stage busbar to intercouple, and, with each load busbar coupled and the switch for being both provided with controllable break-make between load.The application is effectively improved the stability for load supplying.The application is used to power for data center.
Description
Technical field
The present invention relates to power supply and distribution technical field more particularly to a kind of power supply systems.
Background technology
Data center includes the infrastructure such as multiple servers and communication equipment, and the data center by network for being existed
It transmits, accelerate in infrastructure, displaying, calculating and store data information.Also, in order to ensure the stabilization to data center feed
Property, generally use includes that the power supply system of two-way alternating current is powered data center, which is also referred to as 2N power supply systems.
In the related technology, power supply system includes two parallel main lines, and every main line includes a busbar, the busbar
Input terminal coupled with the power end of alternating current all the way, the output end of the busbar is coupled with load, and the busbar in two main lines road
Coupled by block switch, when certain all the way alternating current be in can not power supply state (such as：Break down or overhaul) when, which opens
It closes and closes, by another way alternating current be that certain alternating current couples all the way busbar provides power supply with this, and be load supplying.
But the electrical stability of the power supply system is relatively low.
Invention content
This application provides a kind of power supply system, the electrical stability that can solve power supply system in the related technology is lower
Problem, technical solution provided by the present application are as follows：
In a first aspect, this application provides a kind of power supply system, the power supply system includes：At least two parallel main lines
Road, every main line include：The N grade busbares being sequentially connected in series, and in the N grades of busbar, input terminal and the electricity of first order busbar
Source couples, and the output end of afterbody busbar is coupled with load, and the N is the integer more than 2；For every main line, along confession
In higher level's busbar and subordinate's busbar that electric direction is connected with each other, the output end of higher level's busbar is also defeated with other subordinate's busbares
Enter end coupling, and at any one time, a busbar in subordinate's busbar and other described subordinate's busbares and the higher level are female
Line couples, other described subordinate's busbares are the busbar with subordinate's busbar peer in other main lines；For every main line
Road is also coupled with the load in other main lines with the busbar coupled that loads；Wherein, the every two-stage busbar to intercouple it
Between, and, with each load busbar coupled and the switch for being both provided with controllable break-make between the load.
It should be noted that the power supply system that the application exemplary embodiment provides, for every main line, higher level's busbar
Output end also coupled with the input terminal of other subordinate's busbares, and, with the busbar that couples of load also in other main lines
Load coupling, the connection type for constituting multilevel redundancy between the busbar and busbar and between busbar and load, phase
For the relevant technologies, the connection type of the multilevel redundancy so that main line or any level busbar be in can not power supply state when,
It can be achieved, to the stable power-supplying of load, to be effectively improved the stability for load supplying.Also, in the company of the multilevel redundancy
It connects in mode, it is not necessary that block switch is arranged between the busbar at the same level in different main lines, the peer in the difference main line is female
It may be implemented to be physically isolated between line, when being detected the busbar in a main line, without considering safe distance.
In a kind of achievable mode, the power supply system further includes：Parallel extension wire, described with the main line
Extension wire includes：The input terminal of auxiliary bus-bar, the auxiliary bus-bar is coupled with stand-by power supply, the output end of the auxiliary bus-bar
It is coupled respectively with the input terminal of other grade of busbar in every main line, other grade of busbar is to be removed in corresponding main line
Busbar outside the first order busbar, the extension wire be used at least two parallel main lines be in not for
It is the load supplying when electricity condition.
The extension wire forms the connection type of master-slave redundancy, the company of the master-slave redundancy and the multilevel redundancy with main line
Mode is connect, power supply system is reduced and the probability of Single Point of Faliure occurs, further increase the stability for load supplying.
In the achievable mode of another kind, the power supply system further includes：The parallel extension wire with the main line, institute
Stating extension wire includes：The multistage auxiliary bus-bar being sequentially connected in series, in the multistage auxiliary bus-bar, first order auxiliary bus-bar it is defeated
Entering end to couple with stand-by power supply, the load that the output end of afterbody auxiliary bus-bar is connect with every main line respectively couples,
The extension wire be used at least two parallel main lines be in can not power supply state when, be the load confession
Electricity.
Optionally, in order to which the power supply state to main line is detected, the power supply system further includes：It is arranged in every master
Detection module in circuit, the detection module are used to detect the current value in the main line, and when the current value is less than
When predetermined current threshold, determine the main line be in can not power supply state.
Optionally, the power supply system includes：Parallel the first main line and the second main line, every main line include：
First order busbar, second level busbar and the third level busbar being sequentially connected in series, input terminal and the power supply of the first order busbar
Coupling, the output end of the third level busbar are coupled with the load；The output end of first order busbar in first main line
It is also coupled with the input terminal of second level busbar in second main circuit, the output end of second level busbar in first main line
Also coupled with the input terminal of third level busbar in second main circuit；The output end of first order busbar in second main line
It is also coupled with the input terminal of second level busbar in first main circuit, the output end of second level busbar in second main line
Also coupled with the input terminal of third level busbar in first main circuit；The output of third level busbar in first main line
End is also coupled with the load in second main line, the output end of the third level busbar in second main line also with it is described
Load coupling in first main line.
Connection for the ease of the connection status between higher level's busbar and subordinate's busbar, and between busbar and load
State is controlled, and the power supply system further includes：Controller, the controller are used for the power supply shape according to every main line
State controls and switches on or be closed in corresponding main line so that at any one time, subordinate's busbar and other described subordinates
A busbar in busbar is coupled with higher level's busbar.
Optionally, the controller is programmable logic controller (PLC).
In order to ensure the economy of cable laying, and the connection that reduces between the busbar to intercouple break down it is several
Rate, for every main line, the distance between the first order busbar and second level busbar are less than pre-determined distance threshold value, and described the
The input terminal of two level busbar is coupled with the output end of the first order busbar, to realize the flat of high efficiency and the total cost of ownership
Weighing apparatus.
Correspondingly, in order to ensure the economy of cable laying, and reduce the company between the busbar to intercouple and load
The probability for connecing failure, for the same all afterbody busbares loaded in a plurality of circuit that couple, wantonly two are finally
The distance between level-one busbar is less than pre-determined distance threshold value.
Optionally, the power supply includes：The power supply that 110 KV substations provide, the multistage busbar are used to load 10
Kilovoltage.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of power supply system in the related technology；
Fig. 2 is a kind of structural schematic diagram for power supply system that the application exemplary embodiment provides；
Fig. 3 is the structural schematic diagram for another power supply system that the application exemplary embodiment provides.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the application clearer, below in conjunction with attached drawing to the application embodiment party
Formula is described in further detail.
In the related technology, generally use includes that the power supply system of two-way alternating current is powered data center, the power supply system
System generally comprises two parallel main lines, which provides alternating current, every main line packet by Liang Ge substations respectively
A busbar is included, draws a plurality of circuit respectively from every busbar, a plurality of circuit is respectively by a transformer into data
Load supplying in intracardiac computer room, and also coupled by block switch between the busbar in two parallel main lines, when certain
Alternating current breaks down or when maintenance all the way, which is closed, and is certain alternating current couples all the way mother with this by another way alternating current
Line provides power supply, and is the load supplying in computer room in data center.Referring to FIG. 1, the power supply system includes parallel main line
Road A and main line B, main line A and main line B provide alternating current by Liang Ge substations respectively, and main line A includes busbar A1, main
Circuit B includes busbar B1, is connected by block switch K between busbar A1 and busbar B1, and main line A provides electricity by a substation
Pressure is 10 kilovolts of alternating current, which is transmitted to four circuits by busbar A1, and every circuit is by a transformer to load
Power supply；Main line B is provided the alternating current that voltage is 10 kilovolts by another substation, which is transmitted to four lines by busbar B1
Road, every circuit are powered to the load by a transformer, and are additionally provided with controllable break-make between the circuit of every two connections
Switch.
Also, referring to FIG. 1, the busbar in every main line is also connect with extension wire C, extension wire C can be by bavin
Electricity (diesel engine connects electric power caused by generator G) power supply, the extension wire are used for alternating current and main line B in main line A
Alternating current when breaking down or overhaul, for main line A and main line B power supplies.
But in the power supply system, since every main line only includes level-one busbar, and transformer is connected to by busbar
On high-tension side circuit is that single line connects with switch, for every main line, when event occurs in any place in busbar or corresponding line
Can not be just load supplying when barrier (i.e. Single Point of Faliure occurs in circuit).Also, since busbar A and busbar B are connected by block switch
Connect, between the two be not present physical isolation, when to certain alternating current overhauls all the way when, need consider service personnel relative to another
The safe distance of road alternating current.Simultaneously as every main line isolated operation can not continue when staff's maloperation switchs
The power supply to load is maintained, causes to be affected to the stability of load supplying, i.e., the power supply system does not have fault-tolerance.
In view of this, the application exemplary embodiment provides a kind of power supply system, which may include：At least two
The parallel main line of item, every main line include：N grade busbares being sequentially connected in series, and in N grades of busbares, first order busbar it is defeated
Enter end to couple with power supply, the output end of afterbody busbar is coupled with load, which is the integer more than 2.Optionally, with first
Grade busbar input terminal coupling power supply may include：The power supply that 110 KV substations provide, and the multistage busbar is used to add
Carry 10 kilovoltages.
For every main line, along power supply direction (direction i.e. from power supply to load), in higher level's busbar of interconnection
With in subordinate busbar, the output end of higher level's busbar is also coupled with the input terminal of other subordinate's busbares, and at any one time, the subordinate
A busbar in busbar and other subordinate's busbares is coupled with higher level's busbar, wherein other subordinate's busbares be other main lines in,
It with the busbar of the busbar peer of subordinate, that is to say there was only one in synchronization, with multiple busbares of the busbar peer of subordinate
Busbar is coupled with higher level's busbar.When the output end of higher level's busbar is coupled with the input terminal of other subordinate's busbares in every main line
When, can any level busbar in the power supply of other main lines or other main lines be in can not power supply state (such as：Circuit
Break down, maintenance or dilatation carried out to circuit) when, other corresponding subordinate's busbares are powered by higher level's busbar, into
And it is the load supplying that other main lines are connected, it ensure that the stability for load supplying.
Also, for every main line, the busbar coupled with load is also coupled with the load in other main lines, such one
Come, other main lines be in can not power supply state when, the load that can be connected for other main lines by the main line
Power supply, and then ensure that the stability for load supplying.
It should be noted that two busbares herein couple electrical connection direct or indirect between referring to two busbares, with
And busbar refers to that busbar is direct or indirect to be electrically connected with load coupling, which can be cable connection
Or inductive coupling etc., and for the ease of the connection status between control bus and busbar and between busbar and load, the electricity
Connection can be controlled by the switch of controllable break-make, such as：Between the first order busbar to intercouple and second level busbar
It is provided with the switch of controllable break-make, first order busbar and the second level busbar company of being at a certain moment can be controlled by the switch
State is connect, and the first order busbar and the second level busbar can be controlled by the switch and disconnected at another moment；And
It is also equipped with the switch of controllable break-make between afterbody busbar and load, afterbody mother can be controlled by the switch
Line is in connection status at a certain moment with the load, and can control the afterbody busbar by the switch and be supported on separately with this
One moment disconnected.
Illustratively, referring to FIG. 2, the power supply system may include：Parallel the first main line W1 and the second main line W2,
First main line W1 includes：First order busbar W11, second level busbar W12 and the third level busbar W13 being sequentially connected in series, the first order
The input terminal of busbar W11 is coupled with power supply, and the output end of third level busbar W13 is coupled with load, and the second main line W2 includes：According to
The input terminal of secondary concatenated first order busbar W21, second level busbar W22 and third level busbar W23, first order busbar W21 and electricity
Source couples, and the output end of third level busbar W23 is coupled with load.Wherein, the triangle (i.e. Δ) in the Fig. 2 on cable is used for table
Show cable terminal.
In first main line W1 output end of first order busbar W11 also with second level busbar in second main circuit W2
The input terminal of W22 couples, in first main line W1 output end of second level busbar W12 also with third in second main circuit W2
The input terminal coupling of grade busbar W23.
In second main line W2 output end of first order busbar W21 also with second level busbar in first main circuit W1
The input terminal of W12 couples, in second main line W2 output end of second level busbar W22 also with third in first main circuit W1
The input terminal coupling of grade busbar W13.
The output end of third level busbar W13 in first main line W1 also with the load coupling in second main line W2
It closes, the output end of the third level busbar W23 in second main line W2 is also coupled with the load in first main line W1.It is logical
Often, it is coupled by transformer realization between busbar and load, wherein the high-pressure side of transformer is connect with busbar, transformer
Low-pressure side connected with load, the high-pressure side of the transformer uses delta connection, the low-pressure side of the transformer to be connect using star
Line, and the common point of the star-like connection passes through generic equivalent-potential bonding (MEB--Main Equipotential Bonding, MEB)
Ground connection.
Further, in order to ensure the stability of power supply, power supply system can also include：The parallel siding with main line
The realization method on road, the extension wire at least may include following two achievable modes：
In a kind of achievable mode, extension wire may include：Auxiliary bus-bar, the input terminal of the auxiliary bus-bar with it is spare
Power supply couples, and the output end of the auxiliary bus-bar is coupled with the input terminal of other grade of busbar in every main line respectively, should
Other grade of busbar is the busbar in addition to first order busbar in corresponding main line, and being at least two parallel main lines can not
When power supply state, the switch being arranged between other grade of coupled busbar of auxiliary bus-bar output end can be controlled and be closed, made
It is access to obtain the connection between the auxiliary bus-bar and other grade of busbar, to be that other grade of busbar supplies by the auxiliary bus-bar
Electricity, and then be load supplying.
Illustratively, referring to FIG. 3, power supply system can also include：It is parallel with the first main line W1 and the second main line W2
Extension wire WB, extension wire WB may include：The input terminal of auxiliary bus-bar WB1, auxiliary bus-bar WB1 and stand-by power supply coupling
Close, the output end of auxiliary bus-bar WB1 respectively in the second level busbar W12 and the second main line W2 in the first main line W1
The input terminal of second level busbar W22 couples, in order to be in the shape that can not power in the first main line W1 and the second main line W2
When state, the load supplying of the load and the second main line W2 connections that are respectively connect with the first main line W1.Wherein, stand-by power supply
It may include the power supply that generator (G) is provided.
In the achievable mode of another kind, extension wire may include：The multistage auxiliary bus-bar being sequentially connected in series, multistage standby
With in busbar, the input terminal of first order auxiliary bus-bar is coupled with stand-by power supply, the output end of afterbody auxiliary bus-bar respectively with
Load that every main line is connected coupling, at least two parallel main lines be in can not power supply state when, can control
It sets up the switch set between auxiliary bus-bar output end and corresponding load to be closed so that the company between the auxiliary bus-bar and the load
Be connected in access, with by the auxiliary bus-bar be corresponding load supplying.
It should be noted that the setting of the main line and extension wire, realizes the master-slave redundancy of power supply system, this is active and standby
The setting of redundancy can reduce power supply system and the probability of Single Point of Faliure occurs, and then improve the stability to load supplying.
Wherein, in order to which the power supply state to main line is detected, which can also include：It is arranged in every master
Detection module (being not shown in Fig. 2 and Fig. 3) in circuit, the detection module are used to detect the current value in corresponding main line,
And when the current value in corresponding main line is less than predetermined current threshold, determining corresponding main line is in can not power supply state.Show
Detection module can be arranged close to one end of load in every main line in example ground, to detect the current value of input load, and according to
The current value and predetermined current threshold determine whether main line is conveying electric energy to load；Alternatively, can also be at every two mutually
Detection module is set between the busbar of coupling, has the current value that higher level's busbar is inputted to subordinate's busbar with detection, and according to the electricity
Flow valuve judges whether the connection status of two busbares is normal with pre- current threshold, and then realizes the power supply shape to corresponding main line
The detection of state.
Optionally, for the ease of the connection status between higher level's busbar and subordinate's busbar, and to busbar and load
Between connection status controlled, which can also include：Controller (is not shown) in Fig. 2 and Fig. 3, the controller
For the power supply state according to every main line, the opening between higher level's busbar and subordinate's busbar in corresponding main line is arranged in control
The closure or openness of pass so that at any one time, the busbar and the higher level in subordinate's busbar and other subordinate's busbares are female
Line couples.
In a kind of achievable mode, which can be programmable logic controller (PLC) (Programmable
LogicController, PLC), and the controller may be used 61850GOOSE (a kind of communication modes) and be communicated.When adopting
When being communicated with 61850GOOSE, the execution speed of circuit switching can be improved, in turn by optical fiber transmission communication signal
Improve the efficiency being powered to load.
Also, to being arranged the switch between higher level's busbar and subordinate's busbar, and it is arranged in the higher level using PLC
When switch between busbar and other subordinate's busbares is controlled, the mode that coordinated signals may be used realizes corresponding control,
To ensure that a busbar in subordinate's busbar and other subordinate's busbares is coupled with higher level's busbar at any one time.Such as：It is right
In the first switch being arranged between the first order busbar and second level busbar of the first main line, and it is arranged in the second main line
First order busbar and second level busbar between second switch, which can behave as：When first switch is closed, connection
Dynamic control second switch is opened, alternatively, when first switch is opened, coordinated signals second switch is closed.
When staff's maloperation switchs, by the switch in coordinated signals difference circuit, the confession to load can be maintained
Electricity so that still have current path between alternating current and load, the stable power-supplying to load is realized, relative to the relevant technologies, energy
Enough reduce the risk of staff's maloperation switch so that power supply system has fault-tolerance, and then ensures power supply efficiency.
It should be noted that in order to ensure the economy of cable laying, and reduce the company between the busbar to intercouple
The probability for connecing failure, for every main line, the distance between first order busbar and second level busbar can be less than default
Distance threshold, to realize the balance of high efficiency and the total cost of ownership (Total Cost ofOwnership, TCO).Such as：It can
Second level busbar and first order busbar to be deployed in same switchgear house, alternatively, can the first order be deployed in second level busbar
The adjacent position of busbar.
Correspondingly, in order to ensure the economy of cable laying, and reduce the company between the busbar to intercouple and load
The probability for connecing failure, for the same all afterbody busbares loaded in a plurality of circuit that couple, wantonly two are finally
The distance between level-one busbar can be less than pre-determined distance threshold value.Such as：It can be by of the two main lines road in Fig. 2 and Fig. 3
Three-level busbar is deployed in same low-voltage distribution room.
It should be noted that in order to ensure the safety and stability of power supply system power supply, can also be disposed on each circuit
There are equipment (Fig. 2 and the Fig. 3 such as earthing knife-switch, voltage transformer, current transformer, relay and breaker, on-load switch and disconnecting switch
In be not shown).Also, Fig. 2 and Fig. 3 are that power supply system includes two parallel main lines, and every main line includes series connection
Three-level busbar when structural schematic diagram, when power supply system include three or more parallel main line and every main line packet
When including more stages busbar, please accordingly referring to figs. 2 and 3, details are not described herein again for structural schematic diagram.
In conclusion the application exemplary embodiment provide power supply system, for every main line, higher level's busbar it is defeated
Outlet is also coupled with the input terminal of other subordinate's busbares, and, with the busbar that couples of load also with the load in other main lines
Coupling, the connection type for constituting multilevel redundancy between the busbar and busbar and between busbar and load, relative to
The relevant technologies, the connection type of the multilevel redundancy so that main line or any level busbar be in can not power supply state when,
It realizes to the stable power-supplying of load, is effectively improved the stability for load supplying.Also, in the connection side of the multilevel redundancy
In formula, it is not necessary that block switch is arranged between the busbar at the same level in different main lines, the busbar at the same level in the difference main line it
Between may be implemented to be physically isolated, when being detected to the busbar in a main line, without considering safe distance.Meanwhile the confession
Electric system further includes extension wire, and the extension wire and main line form the connection type of master-slave redundancy, the master-slave redundancy and
The connection type of the multilevel redundancy reduces power supply system and the probability of Single Point of Faliure occurs, further increases and is supplied for load
The stability of electricity.Also, it is still ensured that by the switch in coordinated signals difference circuit when staff's maloperation switchs
To the stable power-supplying of load so that power supply system has fault-tolerance, and then improves power supply efficiency.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely the alternative embodiments of the application, not to limit the application, all principles in the application it
Interior, any modification, equivalent replacement, improvement and so on should be included within the protection domain of the application.
Claims (10)
1. a kind of power supply system, which is characterized in that the power supply system includes：At least two parallel main lines, every main line
Road includes：The N grade busbares being sequentially connected in series, and in the N grades of busbar, the input terminal of first order busbar is coupled with power supply, finally
The output end of level-one busbar is coupled with load, and the N is the integer more than 2；
For every main line, along the higher level's busbar and subordinate's busbar that power supply direction is connected with each other, higher level's busbar it is defeated
Outlet is also coupled with the input terminal of other subordinate's busbares, and at any one time, subordinate's busbar and other described subordinate's busbares
In a busbar coupled with higher level's busbar, other described subordinate's busbares be other main lines in, with subordinate's busbar
Busbar at the same level；
For every main line, also coupled with the load in other main lines with the busbar coupled that loads；
Wherein, between the every two-stage busbar to intercouple, and, and it each load busbar coupled and is all provided between the load
It is equipped with the switch of controllable break-make.
2. power supply system according to claim 1, which is characterized in that the power supply system further includes：With the main line
Parallel extension wire, the extension wire include：The input terminal of auxiliary bus-bar, the auxiliary bus-bar is coupled with stand-by power supply,
The output end of the auxiliary bus-bar is coupled with the input terminal of other grade of busbar in every main line respectively, other described grades
Busbar is that the busbar in addition to the first order busbar, the extension wire are used for parallel at described at least two in corresponding main line
Main line be in can not power supply state when, be the load supplying.
3. power supply system according to claim 1, which is characterized in that the power supply system further includes：With the main line
Parallel extension wire, the extension wire include：The multistage auxiliary bus-bar being sequentially connected in series, in the multistage auxiliary bus-bar,
The input terminal of first order auxiliary bus-bar is coupled with stand-by power supply, the output end of afterbody auxiliary bus-bar respectively with every main line
The load coupling connected, the extension wire can not power supply state for being at least two parallel main lines
When, it is the load supplying.
4. power supply system according to claim 2 or 3, which is characterized in that the power supply system further includes：It is arranged at every
Detection module in main line, the detection module are used to detect the current value in the main line, and when the current value is small
When predetermined current threshold, determine the main line be in can not power supply state.
5. power supply system according to any one of claims 1 to 3, which is characterized in that the power supply system includes：Parallel
One main line and the second main line, every main line include：First order busbar, second level busbar and the third level being sequentially connected in series are female
The input terminal of line, the first order busbar is coupled with the power supply, and the output end of the third level busbar is coupled with the load；
Input terminal of the output end of first order busbar also with second level busbar in second main circuit in first main line
It couples, input terminal of the output end of second level busbar also with third level busbar in second main circuit in first main line
Coupling；
Input terminal of the output end of first order busbar also with second level busbar in first main circuit in second main line
It couples, input terminal of the output end of second level busbar also with third level busbar in first main circuit in second main line
Coupling；
The output end of third level busbar in first main line is also coupled with the load in second main line, and described
The output end of third level busbar in two main lines is also coupled with the load in first main line.
6. power supply system according to any one of claims 1 to 3, which is characterized in that the power supply system further includes：Control
Device, the controller are used for the power supply state according to every main line, control and switch on or be closed in corresponding main line, make
It obtains at any one time, a busbar in subordinate's busbar and other described subordinate's busbares is coupled with higher level's busbar.
7. power supply system according to claim 6, which is characterized in that the controller is programmable logic controller (PLC).
8. power supply system according to any one of claims 1 to 3, which is characterized in that for every main line, the first order
The distance between busbar and second level busbar are less than pre-determined distance threshold value, input terminal and the first order of the second level busbar
The output end of busbar couples.
9. power supply system according to any one of claims 1 to 3, which is characterized in that a plurality of for being coupled with same load
All afterbody busbares in circuit, the distance between wantonly two afterbody busbares are less than pre-determined distance threshold value.
10. power supply system according to any one of claims 1 to 3, which is characterized in that the power supply includes：110 kilovolts of power transformations
The power supply provided, the multistage busbar are used to 10 kilovoltages of load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112436595A (en) * | 2020-11-12 | 2021-03-02 | 百度在线网络技术（北京）有限公司 | Low-voltage module, HVDC module, UPS module, power supply system and data center |
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| CN104682552A (en) * | 2015-03-13 | 2015-06-03 | 北京百度网讯科技有限公司 | System and method for supplying power to data center |
| CN106356841A (en) * | 2016-09-13 | 2017-01-25 | 郑州云海信息技术有限公司 | Power distribution and supply system and method of data center |
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| CN104037929A (en) * | 2013-03-06 | 2014-09-10 | 华为技术有限公司 | Power supply method and device |
| CN104682552A (en) * | 2015-03-13 | 2015-06-03 | 北京百度网讯科技有限公司 | System and method for supplying power to data center |
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| CN112436595A (en) * | 2020-11-12 | 2021-03-02 | 百度在线网络技术（北京）有限公司 | Low-voltage module, HVDC module, UPS module, power supply system and data center |
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| CN108649561B (en) | 2021-07-20 |
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