CN105529699B - A kind of AC/DC devices, distribution system and its control method - Google Patents
A kind of AC/DC devices, distribution system and its control method Download PDFInfo
- Publication number
- CN105529699B CN105529699B CN201410506106.9A CN201410506106A CN105529699B CN 105529699 B CN105529699 B CN 105529699B CN 201410506106 A CN201410506106 A CN 201410506106A CN 105529699 B CN105529699 B CN 105529699B
- Authority
- CN
- China
- Prior art keywords
- power
- modules
- load
- distribution system
- accumulator group
- 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
Links
Landscapes
- Direct Current Feeding And Distribution (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of AC/DC devices, distribution system and its control method, in a power distribution system, which includes AC power and the multiple loads powered by the AC power and at least one accumulator group for AC/DC devices application；The AC/DC devices include：At least one AC/DC modules, configuration corresponding at least one load in the multiple load and accumulator group, it is corresponding load supplying that the alternating current for exporting AC power, which is converted to direct current with accumulator group joint,；And monitoring module, total output current for detecting the AC power, and the input power that instruction controls at least one AC/DC modules is sent accordingly, so that the gross output of the AC power is not higher than predetermined power.The present invention is that ensure that the efficient utilization of AC power according to the control being better achieved to the gross output of AC power with total output current of AC power.
Description
Technical field
The present invention relates to power supply techniques, more specifically to a kind of AC/DC devices, distribution system and its control method.
Background technology
As shown in Figure 1, for the connection figure of AC power and load in current distribution system such as computer room distribution system.Wherein,
AC power 10 can be diesel generating set, for loading 20- to n load supplying being connect with its output end, such as first
1, the second load 20-2 ... to n-th loads 20-n.This n load can be AC load.In configuration diesel generating set
Should be on the one hand load rating total capacity by the capacity configuration of diesel generating set according to the design of typical generating set when power
Certain multiple on the other hand also need to consider n load while the operating mode that works with maximum power generally at 2 times or so, with
The reliable and secure power supply of guarantee system.But when most of, there is no with the work of maximum power, diesel generating set for system
It always works under very light load, causes the wasting of resources.
Invention content
The technical problem to be solved in the present invention is, for existing distribution system AC power power adaptability not
Strong defect provides a kind of AC/DC devices, distribution system and its control method, not increased in input power, passes through
Configure AC/DC modules and its monitoring module, improve the adaptability of pulse power, and be effectively increased system power supply it is continuous
Property.
The technical solution adopted by the present invention to solve the technical problems is：A kind of AC/DC devices are constructed, are applied in power distribution system
In system, the distribution system includes AC power and multiple loads for being powered by the AC power；The distribution system is also
Including at least one accumulator group；The AC/DC devices include：
At least one AC/DC modules, at least one load and at least one accumulator in the multiple load
The corresponding configuration of group, wherein each AC/DC modules are used to the alternating current that the AC power exports being converted to direct current, with electric power storage
Pond group joint is corresponding load supplying；
Monitoring module is connected with the AC/DC modules, total output current for detecting the AC power, and according to
Total output current of the AC power sends the input power that instruction controls at least one AC/DC modules, makes the friendship
The gross output in galvanic electricity source is not higher than predetermined power.
In AC/DC devices according to the present invention, the monitoring module is for detecting the friendship when system starts
Total output current in galvanic electricity source, when less than setting value sending instruction starts at least one AC/DC modules, not less than setting
Continue to detect and judge whether to be less than setting value when definite value.
In AC/DC devices according to the present invention, the monitoring module is additionally operable to sending described in instruction startup extremely
Controlling at least one AC/DC modules after a few AC/DC module makes total output current of the AC power incrementally increase,
And constantly detect the AC power total output current whether be less than setting value, be send instructions to it is described at least one
AC/DC modules incrementally increase its input power, and total output current of the AC power is made to increase；Otherwise it sends instructions to described
At least one AC/DC modules gradually reduce its input power, and total output current of the AC power is made to reduce.
In AC/DC devices according to the present invention, the monitoring module starts described at least one in transmission instruction
After AC/DC modules, the remaining capacity of at least one accumulator group is detected, and is sorted successively from low to high, remaining electricity is selected
Minimum one or more accumulator groups are measured, the input work for the AC/DC modules being connected with the one or more accumulator group is increased
Rate.
In AC/DC devices according to the present invention, the monitoring module starts described at least one in transmission instruction
After AC/DC modules, the priority distribution according to the load of each AC/DC modules connection at least one AC/DC modules is defeated
Enter power.
In AC/DC devices according to the present invention, the AC/DC modules specifically include：
AC/DC converting units, the alternating current for exporting the AC power are converted to direct current；
Electricity computing unit, the remaining capacity for detecting the accumulator group being attached thereto, and it is sent to the monitoring mould
Block；
Charging control unit, the carry out charge and discharge control for the accumulator group to being attached thereto.
In AC/DC devices according to the present invention, the AC/DC modules further include cruising ability computing unit, are used
The cruise duration for the accumulator group that calculating is attached thereto, and it is sent to the monitoring module.
In AC/DC devices according to the present invention, for the AC/DC modules when exporting shock load, input is most
Big Instantaneous input power is no more than K times of output loading, and 1<K<3.
In AC/DC devices according to the present invention, the AC/DC modules input voltage pathological system shutdown after,
Start automatically when input voltage restores normal and restores electricity.
The present invention also provides a kind of distribution systems, including foregoing AC/DC devices.
In distribution system according to the present invention, the AC power be diesel-driven generator or gasoline engine generator, or
Other have the AC power of output power limit.
The present invention also provides a kind of control method of distribution system, wherein distribution system includes AC power and by institute
State multiple loads of AC power power supply；The distribution system further includes matching at least one load correspondence in the multiple load
At least one accumulator group and at least one AC/DC modules set, wherein each AC/DC modules are for defeated by the AC power
The alternating current gone out is converted to direct current, is corresponding load supplying with accumulator group joint；
The control method includes the following steps：Total output current of the AC power is detected, and according to the exchange
Total output current of power supply sends the input power that instruction controls at least one AC/DC modules, makes the AC power
Gross output is not higher than predetermined power.
In the control method of distribution system according to the present invention, the control method specifically includes following steps：
Total output current that the AC power is detected when system starts is sent when less than setting value at least one described in instruction startup
A AC/DC modules continue to detect and judge whether to be less than setting value when not less than setting value.
In the control method of distribution system according to the present invention, the control method is further comprising the steps of：
After sending instruction startup at least one AC/DC modules, controlling at least one AC/DC modules makes the AC power
Total output current incrementally increases, and whether the total output current for constantly detecting the AC power is less than setting value, is to send
It instructs and incrementally increases its input power at least one AC/DC modules, make total output current of the AC power, otherwise
It sends instructions at least one AC/DC modules and gradually reduces its input power, make total output current of the AC power
Reduce.
In the control method of distribution system according to the present invention, the control method is further comprising the steps of：
It sends after instruction starts at least one AC/DC modules, detects the remaining capacity of at least one accumulator group, and from low
It sorts successively to height, the one or more accumulator groups for selecting remaining capacity minimum increase and the one or more accumulator group
The input power of connected AC/DC modules.
In the control method of distribution system according to the present invention, the control method is further comprising the steps of：
After sending instruction startup at least one AC/DC modules, according to each AC/DC modules at least one AC/DC modules
The priority of the load of connection distributes input power.Implement AC/DC devices, distribution system and its control method of the present invention, tool
There is following advantageous effect：The present invention sends instruction control respectively on this basis by detecting total output current of AC power
The input power of a AC/DC modules makes the gross output of the AC power be not higher than rated power, is reasonably assigned with each
The input power of AC/DC modules, ensures the efficient utilization of AC power such as diesel-driven generator, while ensure that the reliable confession of load
Electricity.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is the connection figure of AC power and load in current distribution system such as computer room distribution system；
Fig. 2 is the module frame chart according to the preferred embodiment of the distribution system of the present invention；
Fig. 3 is the schematic diagram according to AC/DC modules in the AC/DC devices of the preferred embodiment of the present invention；
Fig. 4 is the particular flow sheet according to the control method of the distribution system of the preferred embodiment of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.
The present invention provides a kind of AC/DC devices, and application is in a power distribution system.The present invention, which further correspondingly provides one kind, to be made
With the distribution system of the AC/DC devices.To the AC/DC devices of the present invention and the AC/DC device power distribution systems are used with reference to Fig. 2
System is described in detail.As shown in Fig. 2, the distribution system includes AC power 10, and powered by AC power 10 multiple
Load, as the first load 20-1 to m+n loads 20-m+n in Fig. 2.Wherein, AC power 10 can be diesel generating set or
Person's gas-liquid-liquid three-phase flow or other have the AC power of output power limit.The distribution system further includes at least one accumulator
Group.The AC/DC devices of the present invention include monitoring module (not shown) and at least one AC/DC modules.This is at least one
The configuration corresponding at least one load in multiple loads of AC/DC devices and at least one accumulator group of AC/DC modules.
For example, being that at least one load is correspondingly configured with AC/DC modules and accumulator in multiple loads in the distribution system
Group, as being m load configuration AC/DC modules and accumulator group in Fig. 2, these, which are loaded, is referred to as the second load group, including the
One load 20-1, second load 20-2 ..., m load 20-m.Correspondingly, remaining load is referred to as the first load group, wraps
Include m+1 load 20-m+1, m+2 load 20-m+2 ..., m+n load 20-m+n.In the present invention, the second load group
In each load correspondence be configured with AC/DC modules and accumulator group.Such as it is the first AC/DC modules of the first load 20-1 configurations
30-1 and the first accumulator group 40-1, for the 2nd AC/DC modules 30-2 and the second accumulator group 40- of the second load 20-2 configurations
2 ... ..., it is the m AC/DC module 30-m and m accumulator groups 40-m of m accumulator groups 40-m configurations.Wherein, AC/DC moulds
Block is used to the alternating current that AC power 10 exports being converted to direct current.System at runtime, can control in the second load group
Load by corresponding to the AC/DC module for power supply of configuration, either by the accumulator group power supply of corresponding configuration or by AC/DC modules
Combine with accumulator group and powers.Load in second load group may include uninterruptible power supply and electrical equipment.
Monitoring module is connected with each AC/DC modules in the present invention, total output current of detection AC power 10, and according to
Total output current of the AC power 10 sends the input power that instruction controls aforementioned at least one AC/DC modules, makes alternating current
The gross output in source 10 is not higher than predetermined power.The predetermined power is a numerical value of slightly below AC power rated power.
AC/DC modules as shown in Figure 2, these modules have AC/DC mapping functions, can be controlled according to the instruction of monitoring module defeated
Enter power, to achieve the effect that control the gross output of AC power 10.The input terminal of each AC/DC modules connects best friend
The ac output end of such as diesel-driven generator of galvanic electricity source 10, monitoring module is by detecting total output current of AC power 10 as schemed
Electric current in 2 at A points determines whether to send the AC/DC modules in the second load group of instruction startup on this basis, and is starting
Total output current of AC power is detected after AC/DC modules in real time, and is realized on this basis to each AC/DC modules input work
The control of rate, such as by adjusting the input current of each AC/DC modules, carry out the electric current at B points in control figure 2, at C points
Electric current it is constant, so that it may to realize control to 10 gross output of entire AC power.
Specifically, monitoring module is connected to the ac output end of AC power 10, for detecting exchange when system starts
Total output current of power supply 10 sends instruction startup each AC/DC modules when less than setting value.In the preferred implementation of the present invention
In example, each AC/DC modules can be started simultaneously, each AC/DC modules can also be started one by one.Therefore, if opened in system
Total output current of AC power 10 is larger when dynamic, that is, when being not less than setting value, each AC/DC modules in the second load group are not
Start, the load in the second load group can be powered by connected accumulator group, and then can control the total defeated of AC power 10
Go out electric current and is unlikely to be more than predetermined power.If total output current of AC power 10 is smaller when system starts, that is, it is more than and sets
When definite value, the load supplying that AC power 10 is had the ability by each AC/DC modules into the second load group, therefore can start
Each AC/DC modules.At this point, it is load supplying that each AC/DC modules, which can combine accumulator group together,.
Monitoring module can control each AC/DC modules and increase its input after sending instruction and starting each AC/DC modules
Power makes total output current of AC power 10 incrementally increase, and the gross output to avoid AC power 10 uprushes and is more than
Predetermined power.Simultaneously constantly detection AC power 10 total output current whether be less than setting value, be send instructions to it is each
AC/DC modules incrementally increase its input power, so that total output current of AC power 10 is increased, otherwise send instructions to each
AC/DC modules gradually reduce its input power, and total output current of AC power 10 is made to reduce.That is, the control process
The gross output for having to comply with AC power 10 is not higher than the requirement of setting value.Preferably, which also needs to meet another
One control condition, i.e., after the input power increase of each AC/DC modules, the requirement of the load in addition to meeting connection, it is necessary to
The charging current multiplying power requirement for meeting the accumulator group being attached thereto cannot be more than the preset charged electric current times of accumulator group
Rate.In a preferred embodiment of the invention, monitoring module can be by reducing in each AC/DC modules one or more at random
The input power of a AC/DC modules, and then reduce total output current of AC power 10.In another preferred implementation of the present invention
In example, monitoring module can also be by the average input power for reducing each AC/DC modules, and then reduces the total of AC power 10
Output current.
In a preferred embodiment of the invention, after each AC/DC modules start, it is load that can combine accumulator group together
Power supply.At this point it is possible to control the charging and discharging state of accumulator group according to actual conditions.The monitoring module of the present invention is each in adjustment
When the input power of AC/DC modules, the principle that can keep in balance.Monitoring module can collect the output of each AC/DC modules
Current status, and the input current state of load that is attached thereto, it is excellent when controlling the input power of each AC/DC modules
First ensure that the output current of AC/DC modules is more than or equal to the input current of load, ensures battery not over-discharge.That is,
If the predetermined power of AC power 10 disclosure satisfy that institute's loaded demand, by the input for balancing each AC/DC modules
Power, starting storage battery group is not powered as possible.Also, if the predetermined power of AC power 10 can not only meet all loads
Demand, when also extra power, AC/DC modules can be that the accumulator group being attached thereto charges.If alternating current
When the predetermined power in source 10 cannot meet institute's loaded demand, monitoring module controls the accumulator that AC/DC modules start connection
Group joint power supply.
If starting accumulator group in system combines power supply with AC/DC modules, monitoring module of the invention can be with root
The input power for the AC/DC modules for how adjusting accumulator group connection is confirmed according to the remaining capacity of each accumulator group.
After each AC/DC modules start, the remaining capacity of each accumulator group is detected, and sort successively from low to high, selects remaining electricity
Minimum one or more accumulator groups are measured, the input work for the AC/DC modules being connected with the one or more accumulator group is increased
Rate.For example, the accumulator group that remaining capacity can be selected minimum, such as detects first by the first AC/DC modules 30-1
The remaining capacity of accumulator group 40-1 is minimum, and monitoring module can control the input current of the first AC/DC modules 30-1 to increase, to protect
The safe and reliable operation of the first load of card 20-1.In another example two accumulator groups that remaining capacity can be selected minimum, increasing arrives this
The input power of the connected AC/DC modules of two accumulator groups.The present invention is reasonably distributed by the scheduling of Centralized Monitoring module
The input powers of each AC/DC modules ensure that the accumulator in entire distribution system plays maximized utilization rate, realize pair
The efficient utilization of such as diesel-driven generator of AC power 10, while ensure that reliable power supply.
In the present invention, monitoring module, can also be according to these AC/DC modules after sending instruction and starting AC/DC modules
In the priority of load of each AC/DC modules connection distribute input power.It is born that is, each direct current can also be arranged in system
The importance of load can preferentially ensure the continuous power supply of important load, can be in AC power for the lower load of priority
When gross output is equal or close to rated value, the AC/DC modules of control and the lower load connection of priority, which reduce, to be inputted
Power ensures the power supply of the AC/DC modules of the high load connection of priority.
Referring to Fig. 3, for according to the schematic diagram of AC/DC modules in the AC/DC devices of the preferred embodiment of the present invention.Such as Fig. 3
Shown, AC/DC modules 30 include at least in the embodiment：AC/DC converting units 31 and electricity computing unit 32.
Wherein, AC/DC converting units 31 are used to the alternating current that AC power 10 exports being converted to direct current.Electricity calculates
Unit 32 is used to detect the remaining capacity for the accumulator group being attached thereto, and is sent to monitoring module.
The AC/DC modules 30 can further include charging control unit 33, for the accumulator group to being attached thereto
Carry out charge and discharge control.
In a preferred embodiment of the invention, which can further include cruising ability computing unit,
Cruise duration for calculating the accumulator group being attached thereto, and it is sent to monitoring module.In addition, the AC/DC modules 30 may be used also
With with following characteristics：
1) when voltage and frequency can start in certain normal range (NR), voltage and very high frequency change rate
Ensure stable output power.
2) when input voltage transient state is fallen, there is the ability of limitation output power；
3) when exporting shock load, the maximum instantaneous input power of input is no more than K times of output loading.Usual 1<K<
3。
4) it after input voltage pathological system shuts down, restores electricity when input voltage recovery normal system can normally start.
The present invention also provides a kind of control method of distribution system, wherein distribution system includes AC power 10 and by AC power
Multiple loads of 10 power supplies, as the first load 20-1 to m+n loads 20-m+n in Fig. 2.At least one load in multiple loads
It is correspondingly configured with AC/DC modules and accumulator group, wherein AC/DC modules are for being converted to the alternating current that AC power 10 exports
Direct current, for the load supplying of connection.The load can also individually be powered by accumulator group, or by AC/DC modules and electric power storage
Pond group joint power supply.The control method of the distribution system of the present invention includes the following steps：Detect total output electricity of AC power 10
Stream, and the input power that instruction controls each AC/DC modules is sent according to total output current of AC power 10, make AC power
Gross output be not higher than predetermined power.The predetermined power is a numerical value of slightly below AC power rated power.For example,
System can on this basis determine whether to send by the electric current at A points in the total output current such as Fig. 2 of detection AC power
Instruction starts the AC/DC modules in the second load group, and detects total output electricity of AC power in real time after starting AC/DC modules
Stream, and the control to each AC/DC modules input power is realized on this basis, such as by adjusting each AC/DC modules
Input current carrys out the electric current at B points in control figure 2, and then realizes the control to 10 gross output of entire AC power.
A variety of encapsulation and use form may be used in the product of AC/DC devices in the present invention.Such as monitoring module can within
It sets in each AC/DC modules, mutually whole control is realized in communication when in use.The monitoring module can also be independently of AC/DC
Total monitoring module of the module as the distribution system, controls all AC/DC modules.
Referring to Fig. 4, for according to the particular flow sheet of the control method of the distribution system of the preferred embodiment of the present invention.Such as figure
Shown in 4, the control method for the distribution system which provides specifically includes following steps：
First, in step S401, system starts.
Then, in step S402, total output current of AC power 10 is detected.
Then, in step S403, judge whether total output current of AC power 10 is less than setting value, be to go to step
S404；Otherwise it goes to step S402 and continues to detect and judge whether total output current of AC power 10 is less than setting value.
Then, in step s 404, it sends instruction and starts each AC/DC modules；In a preferred embodiment of the invention, may be used
To start each AC/DC modules simultaneously, each AC/DC modules can also be started one by one.Therefore, if exchanged when system starts
Total output current of power supply 10 is larger, that is, when being not less than setting value, each AC/DC modules in the second load group do not start, the
Load in two load groups can be powered by connected accumulator group, and then can control total output current of AC power 10 not
As for more than predetermined power.If total output current of AC power 10 is smaller when system starts, that is, when being greater than the set value, hand over
The load supplying that galvanic electricity source 10 is had the ability by each AC/DC modules into the second load group, therefore each AC/DC can be started
Module.At this point, each AC/DC modules can be individually to the load supplying being attached thereto, can also combine accumulator group is together
Load supplying.
Then, in step S405, after sending instruction and starting each AC/DC modules, controlling each AC/DC modules makes friendship
Total output current in galvanic electricity source incrementally increases, and the gross output to avoid AC power 10 uprushes and is more than predetermined power.It should
Step is when increasing total output current of AC power, it is also necessary to meet another control condition, i.e., each AC/DC modules it is defeated
After entering power increase, other than for load supplying, it is necessary to which the charging current multiplying power for meeting the accumulator group being attached thereto is wanted
It asks, i.e., cannot be more than the preset charged current ratio of accumulator group.
Then, in step S406, whether the total output current for detecting AC power is less than setting value, is to go to step
S405 sends instructions to each AC/DC modules and incrementally increases its input power, and total output current of AC power is made to increase；Otherwise
Go to step S407.In a preferred embodiment of the invention, system can be by reducing in each AC/DC modules one at random
Or the input power of multiple AC/DC modules, and then reduce total output current of AC power 10.Another in the present invention is preferred
In embodiment, system can also be by the average input power for reducing each AC/DC modules, and then reduces the total of AC power 10
Output current.
In a preferred embodiment of the invention, after each AC/DC modules start, system can control it and combine accumulator group
It is load supplying together.At this point it is possible to control the charging and discharging state of accumulator group according to actual conditions.The distribution system of the present invention
Control method in when adjusting the input power of each AC/DC modules, the principle that can keep in balance.It can in the control method
To collect the output current state of each AC/DC modules, and the load being attached thereto input current state, control it is each
When the input power of AC/DC modules, the preferential output current for ensureing AC/DC modules is more than or equal to the input current of load, ensures
Battery not over-discharge.That is, if when the predetermined power of AC power 10 disclosure satisfy that institute's loaded demand, pass through
The input power of each AC/DC modules is balanced, starting storage battery group is not powered as possible.Also, if AC power 10 is default
Power can not only meet the loaded demand of institute, and when also extra power, AC/DC modules can be the electric power storage being attached thereto
Pond group charges.If the predetermined power of AC power 10 cannot meet institute's loaded demand, system controls AC/DC moulds
Block starts the accumulator group joint power supply of connection.
Then, in step S 407, each AC/DC modules are sent instructions to and gradually reduce its input power, make alternating current
Total output current in source reduces, and goes to step S406 and be detected again.The flow can terminate when system stops.
It is of the invention if starting accumulator group in system combines power supply with AC/DC modules in abovementioned steps S407
Control method can also confirm the AC/DC moulds for how adjusting accumulator group connection according to the remaining capacity of each accumulator group
The input power of block.After the startup of each AC/DC modules, the remaining capacity of each accumulator group is detected, and from low to high successively
Sequence, the one or more accumulator groups for selecting remaining capacity minimum increase the AC/ being connected with the one or more accumulator group
The input power of DC modules.For example, the accumulator group that remaining capacity can be selected minimum, such as passes through the first AC/DC modules
30-1 detects that the remaining capacity of the first accumulator group 40-1 is minimum, and the controllable first AC/DC modules 30-1's of monitoring module is defeated
Enter electric current increase, to ensure the safe and reliable operation of the first load 20-1.In another example minimum two of remaining capacity can be selected
Accumulator group increases the input power for the AC/DC modules being connected to the two accumulator groups.Pass through collection in the control method of the present invention
Middle scheduling is reasonably assigned with the input power of each AC/DC modules, and it is maximum to ensure that the accumulator in entire distribution system plays
The utilization rate of change realizes the efficient utilization to such as diesel-driven generator of AC power 10, while ensure that reliable power supply.
The control method of the present invention, can also be according to every in these AC/DC modules after sending instruction and starting AC/DC modules
The priority of the load of a AC/DC modules connection distributes input power.That is, each DC load can also be arranged in system
Importance can preferentially ensure the continuous power supply of important load, can be in the total defeated of AC power for the lower load of priority
When going out power equal or close to rated value, the AC/DC modules of control and the lower load connection of priority reduce input power,
Ensure the power supply of the AC/DC modules of the high load connection of priority.Should be explanatorily that AC power can be hair in the present invention
Motor or other AC powers, such as the configuration of cable can be effectively reduced, by reducing peak power, handed over to control
The capacity of stream distribution cable improves the utilization rate of cable to save cost.
The present invention is described according to specific embodiment, but it will be understood by those skilled in the art that not departing from this hair
When bright range, various change and equivalent replacement can be carried out.In addition, to adapt to the specific occasion or material of the technology of the present invention, it can be right
The present invention carries out many modifications without departing from its protection domain.Therefore, the present invention is not limited to specific embodiment disclosed herein,
And include all embodiments for dropping into claims.
Claims (14)
1. a kind of AC/DC devices, which is characterized in that application in a power distribution system, the distribution system include AC power and
The multiple loads powered by the AC power；The distribution system further includes at least one accumulator group；The AC/DC devices
Including：
At least one AC/DC modules, at least one load and at least one accumulator group pair in the multiple load
It should configure, wherein each AC/DC modules are used to the alternating current that the AC power exports being converted to direct current, with accumulator group
Joint is corresponding load supplying；
Monitoring module is connected with the AC/DC modules, total output current for detecting the AC power, and according to described
Total output current of AC power sends the input power that instruction controls at least one AC/DC modules, makes the alternating current
The gross output in source is not higher than predetermined power；The monitoring module is for detecting the total of the AC power when system starts
Output current sends instruction startup at least one AC/DC modules when less than setting value, continues when not less than setting value
It detects and judges whether to be less than setting value.
2. AC/DC devices according to claim 1, which is characterized in that the monitoring module is additionally operable to open in transmission instruction
Controlling at least one AC/DC modules after dynamic at least one AC/DC modules makes total output current of the AC power
Incrementally increase, and whether the total output current for constantly detecting the AC power is less than setting value, be send instructions to it is described
At least one AC/DC modules incrementally increase its input power, and total output current of the AC power is made to increase；Otherwise it sends and refers to
It enables and gradually reduces its input power at least one AC/DC modules, total output current of the AC power is made to reduce.
3. AC/DC devices according to claim 2, which is characterized in that the monitoring module is being sent described in instruction startup
After at least one AC/DC modules, the remaining capacity of at least one accumulator group is detected, and is sorted successively from low to high, is selected
The minimum one or more accumulator groups of remaining capacity are selected, the AC/DC modules being connected with the one or more accumulator group are increased
Input power.
4. AC/DC devices according to claim 2, which is characterized in that the monitoring module is being sent described in instruction startup
After at least one AC/DC modules, according to the preferential of the load that each AC/DC modules connect at least one AC/DC modules
Grade distribution input power.
5. the AC/DC devices according to any one of claim 1-4, which is characterized in that the AC/DC modules are specifically wrapped
It includes：
AC/DC converting units, the alternating current for exporting the AC power are converted to direct current；
Electricity computing unit, the remaining capacity for detecting the accumulator group being attached thereto, and it is sent to the monitoring module；
Charging control unit, the carry out charge and discharge control for the accumulator group to being attached thereto.
6. AC/DC devices according to claim 5, which is characterized in that the AC/DC modules further include that cruising ability calculates
Unit, the cruise duration for calculating the accumulator group being attached thereto, and it is sent to the monitoring module.
7. AC/DC devices according to claim 5, which is characterized in that the AC/DC modules when exporting shock load,
The maximum instantaneous input power of input is no more than K times of output loading, and 1<K<3.
8. AC/DC devices according to claim 5, which is characterized in that the AC/DC modules are in input voltage pathological system
After shutdown, starts automatically when input voltage restores normal and restore electricity.
9. a kind of distribution system, which is characterized in that include the AC/DC devices according to any one of claim 1-8.
10. distribution system according to claim 9, which is characterized in that the AC power is diesel-driven generator or gasoline
Generator.
11. a kind of control method of distribution system, which is characterized in that the distribution system includes AC power and by the friendship
Flow multiple loads of power supply power supply；The distribution system further includes for the corresponding configuration of at least one load in the multiple load
At least one accumulator group and at least one AC/DC modules, wherein what each AC/DC modules were used to export the AC power
Alternating current is converted to direct current, is corresponding load supplying with accumulator group joint；
The control method includes the following steps：
Total output current of the AC power is detected, and instruction control institute is sent according to total output current of the AC power
The input power for stating at least one AC/DC modules makes the gross output of the AC power be not higher than predetermined power；
Total output current that the AC power is detected when system starts is sent described in instruction startup extremely when less than setting value
A few AC/DC module continues to detect and judge whether to be less than setting value when not less than setting value.
12. the control method of distribution system according to claim 11, which is characterized in that the control method further include with
Lower step：
After sending instruction and starting at least one AC/DC modules, controlling at least one AC/DC modules makes the exchange
Total output current of power supply incrementally increases, and whether the total output current for constantly detecting the AC power is less than setting value, is
It then sends instructions at least one AC/DC modules and incrementally increases its input power, make total output electricity of the AC power
Stream, otherwise sends instructions at least one AC/DC modules and gradually reduces its input power, make the total defeated of the AC power
Go out electric current reduction.
13. the control method of distribution system according to claim 12, which is characterized in that the control method further include with
Lower step：After sending instruction and starting at least one AC/DC modules, the residue electricity of at least one accumulator group is detected
Amount, and sort successively from low to high, the one or more accumulator groups for selecting remaining capacity minimum increase and the one or more
The input power of the connected AC/DC modules of accumulator group.
14. the control method of distribution system according to claim 12, which is characterized in that the control method further include with
Lower step：After sending instruction and starting at least one AC/DC modules, according to each at least one AC/DC modules
The priority of the load of AC/DC modules connection distributes input power.
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410506106.9A CN105529699B (en) | 2014-09-28 | 2014-09-28 | A kind of AC/DC devices, distribution system and its control method |
| EP18208993.8A EP3487035B1 (en) | 2014-09-01 | 2015-08-31 | Power supply system and method |
| AU2015311401A AU2015311401B2 (en) | 2014-09-01 | 2015-08-31 | Power supply system and method |
| PCT/CN2015/088525 WO2016034086A1 (en) | 2014-09-01 | 2015-08-31 | Power supply system and method |
| EP15838675.5A EP3190682B1 (en) | 2014-09-01 | 2015-08-31 | Power supply system and method |
| US15/507,082 US10601246B2 (en) | 2014-09-01 | 2015-08-31 | Power supply system and method |
| EP18208295.8A EP3484015B1 (en) | 2014-09-01 | 2015-08-31 | Power supply system and method |
| US16/391,830 US10637283B2 (en) | 2014-09-01 | 2019-04-23 | Power supply system and method |
| US16/391,903 US10637284B2 (en) | 2014-09-01 | 2019-04-23 | Power supply system and method |
| US16/391,853 US10658867B2 (en) | 2014-09-01 | 2019-04-23 | Power supply system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410506106.9A CN105529699B (en) | 2014-09-28 | 2014-09-28 | A kind of AC/DC devices, distribution system and its control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105529699A CN105529699A (en) | 2016-04-27 |
| CN105529699B true CN105529699B (en) | 2018-09-07 |
Family
ID=55771766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410506106.9A Active CN105529699B (en) | 2014-09-01 | 2014-09-28 | A kind of AC/DC devices, distribution system and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105529699B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849325A (en) * | 2016-11-30 | 2017-06-13 | 西安华为技术有限公司 | A kind of Modular UPS and its method of work |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972480B (en) * | 2017-04-25 | 2023-12-08 | 珠海格力电器股份有限公司 | Control method, device and system of direct current electrical system |
| CN109038778B (en) * | 2018-09-10 | 2020-02-11 | 广东电网有限责任公司 | System and method for controlling timed overload of direct-current power supply module |
| CN111082508B (en) | 2019-12-31 | 2021-11-30 | 华为数字能源技术有限公司 | Control method and control device for power supply device in data center |
| CN116247711A (en) * | 2022-04-12 | 2023-06-09 | 云南航天神州汽车有限公司 | Energy storage system based on load priority control |
-
2014
- 2014-09-28 CN CN201410506106.9A patent/CN105529699B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849325A (en) * | 2016-11-30 | 2017-06-13 | 西安华为技术有限公司 | A kind of Modular UPS and its method of work |
| CN106849325B (en) * | 2016-11-30 | 2019-10-18 | 西安华为技术有限公司 | A kind of Modular UPS and its working method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105529699A (en) | 2016-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115056676B (en) | Charging systems for battery swap stations or energy storage stations | |
| CN102842731B (en) | Battery capacity grading and forming system | |
| CN104505867B (en) | Alternating current and direct current hybrid micro-grid system and control strategy thereof | |
| CN105529699B (en) | A kind of AC/DC devices, distribution system and its control method | |
| CN102570539B (en) | charging control device and charging control method | |
| TR201809350T4 (en) | Charging system for electric vehicles. | |
| EP2660951B1 (en) | Communication power source with multi-energy supply and control method thereof | |
| CN106026168B (en) | The energy management strategies of honourable energy storage wisdom energy tower | |
| JP2016539051A (en) | Control method of power supply to aircraft power system | |
| CN102545367A (en) | Discharge control apparatus and discharge control method | |
| CN107005055A (en) | Management of charging and discharging device | |
| CN109274088B (en) | Energy control method, energy control device, energy management system and storage medium | |
| CN108695870B (en) | Charging and energy storage integrated system | |
| CN108736543A (en) | A kind of DC charging plant capacity module switching at runtime system and method | |
| CN205724930U (en) | A kind of mixing inverter system | |
| JP7242563B2 (en) | energy storage system | |
| CN206226030U (en) | A kind of LAN energy-storage system | |
| CN112994131A (en) | Battery cluster control system and control method thereof | |
| CN215322084U (en) | Energy storage type direct current charging pile | |
| CN104795845A (en) | Independent micro-grid hybrid control method and system based on combination of peer-to-peer control and centralized control | |
| CN202888862U (en) | Energy storage inverter suitable for distributed new energy power | |
| CN107681758A (en) | Compound energy system | |
| CN102931676B (en) | Structure of solar power grid-connected self-use multifunctional system | |
| CN107976639A (en) | A kind of battery pack aging equipment and method | |
| CN106026174B (en) | A kind of grid-connected photovoltaic system with intelligent power dividing function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park building B2 Applicant after: Vitamin Technology Co., Ltd. Address before: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park building B2 Applicant before: Aimosheng Network Energy Source Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |