CN106849233A - A kind of centralized charge-discharge system, control method and device - Google Patents
A kind of centralized charge-discharge system, control method and device Download PDFInfo
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- CN106849233A CN106849233A CN201710065628.3A CN201710065628A CN106849233A CN 106849233 A CN106849233 A CN 106849233A CN 201710065628 A CN201710065628 A CN 201710065628A CN 106849233 A CN106849233 A CN 106849233A
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- discharging apparatus
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0019—Circuits for equalisation of charge between batteries using switched or multiplexed charge circuits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention discloses a kind of centralized charge-discharge system, control method and device, wherein, centralized charge-discharge system includes：Concentrate convertor unit, its input connection power network, its output end connection discharge and recharge bus；One or more discharge and recharge branch roads are connected in discharge and recharge bus；Charging/discharging apparatus are treated, is arranged on each discharge and recharge branch road；Centralized Controller, convertor unit and treats that charging/discharging apparatus are connected respectively with concentrating.The present invention realizes the unified change of current, is uniformly controlled, is managed collectively by centralized convertor unit and centralized controller, because centralization designs overall concentration convertor unit, current converter without setting multiple discretes, therefore excessive Electricity Investment and maintenance cost can be reduced, be further connected with power network and commercial podium, improve electric network coordination work and the commercialization of electricity market is managed, not only meet user and use car demand, and ensure power network stable output power, charging/discharging apparatus are treated by coordinating control, the state of power network electricity consumption congestion is solved.
Description
Technical field
The present invention relates to charge and discharge electro-technical field, and in particular to a kind of centralized charge-discharge system, control method and device.
Background technology
As country advocates Green Travel energetically, the development of electric vehicle is paid much attention to by country and enterprise, because
" 12 " planning is implemented, the policy of energy saving is also praised highly by government, start to build electrically-charging equipment or design charging system energetically
For electric vehicle provides energy, the development of the electric automobile or other electric vehicles of new energy is implemented steadily.
The charge-discharge system of electric automobile is typically designed on public building or residential area charging station in the market, and
And one pattern of charging connector of a charging pile is pressed in the design of charging station mostly, single direct-current charging post includes corresponding power
Each parking stall of control unit, such as Public Parking is equipped with a direct-current charging post, and the charging pile on multiple parking stalls is accomplished by multiple
Control unit completes charge/discharge operation, and this design installs multiple change of current control devices because of needs, causes to invest big, occupancy
Space is big, and maintenance cost is high, while the charge-discharge system of the current charging station designs single control unit for electric automobile fills
Electricity, its structure is relatively simple, it is impossible to established a connection with power network, so the control ability of power network output cannot be coordinated, in electricity
During net peak of power consumption, the increase of power network power output cannot not only meet user and use car demand, easily cause power network and electricity consumption occur and gather around
Plug-like state and there is certain impact to power network, so as to be unfavorable for that unified control and management electric automobile, for user's discharge and recharge, more cannot
Ensure system stable operation.
The content of the invention
Therefore, the embodiment of the present invention technical problem to be solved is that the design of charging station of the prior art is filled by one
One pattern of charging connector of electric stake, each direct-current charging post includes corresponding power control unit, causes to invest big, occupancy
Space is big, and maintenance cost is high, and because simple structure cannot coordinate power output, it is impossible to solve the problems, such as power network electricity consumption congestion.
Therefore, the embodiment of the invention provides following technical scheme：
The embodiment of the present invention provides a kind of centralized charge-discharge system, including：Concentrate convertor unit, its input connection electricity
Net, its output end connection discharge and recharge bus, for exporting direct current；One or more discharge and recharges are connected in the discharge and recharge bus
Branch road；Charging/discharging apparatus are treated, is arranged on each discharge and recharge branch road；Centralized Controller, convertor unit and waits to fill with the concentration
Discharge equipment is connected respectively, the power output for coordinating convertor unit in domination set, and control treats that charging/discharging apparatus perform charge and discharge
Electricity work, and the current state parameter of charging/discharging apparatus return is treated described in reception and car quantity is used.
Alternatively, the concentration convertor unit, including：Active Power Filter-APF, three-phase can not control rectifier and DC-DC changes
Parallel operation；The three-phase can not the input of control rectifier be connected with the common port of the Active Power Filter-APF and power network, it is described
Three-phase can not the output end of control rectifier be connected with the DC-DC converter, the output end of the DC-DC converter is filled with described
Discharge bus are connected.
Alternatively, the concentration convertor unit, also includes：Active Power Filter-APF and three-phase controlled rectifier；Described three
The input of phase controlled rectifier is connected with the common port of the Active Power Filter-APF and power network, the three-phase controlled rectifier
Output end be connected with the discharge and recharge bus.
Alternatively, the current state parameter is the current identity for treating charging/discharging apparatus, current time and current
Operation electrical parameter.
The embodiment of the present invention provides a kind of centralized charge/discharge control method, for described Centralized Controller, including：
Treat that charging/discharging apparatus, concentration convertor unit are set up and are connected with described；
The current state parameter of charging/discharging apparatus is treated described in obtaining and use car quantity；
According to the multiple data storage record being obtained ahead of time, the electricity model of charging/discharging apparatus is treated described in foundation, and predict
Later stage uses car quantity；
Obtain the electrical parameter of electric network state；
After the state parameter, the electrical parameter determination coordination with car quantity, later stage with car quantity and electric network state
Power output；
Send the power output and treat charging/discharging apparatus to described.
Alternatively, the electrical parameter for obtaining electric network state, including：
Set up with power network platform and be connected；
Car quantity is used according to the later stage, judges the power network now whether in peak of power consumption state；
Send the peak of power consumption state to power network platform；
Receive power network power output, voltage and the electricity price information of the power network platform transmission.
Alternatively, the centralized charge/discharge control method, also includes：The electricity price information is sent to described and treats charge and discharge
Electric equipment.
Alternatively, the centralized charge/discharge control method, also includes：
According to the current state parameter for treating charging/discharging apparatus and car quantity is used, judge whether Current vehicle belongs to urgent need
Charging/discharging apparatus, if so, preferential charge/discharge operation is performed, if it is not, carrying out charge or discharge according to normal sequence.
Alternatively, the centralized charge/discharge control method, also includes：
Set up with commercial podium and be connected；
Car quantity is used according to the prediction later stage, future electrical energy market guidance is analyzed；
Charging/discharging apparatus, power network and electricity price resource are treated described in shared.
Alternatively, it is described to treat that charging/discharging apparatus, concentration convertor unit are set up and are connected with described, set up with power network platform and connected
Connect, one or more in being connected by fiber optic network or automobile CAN-bus or wireless transmission method are set up with commercial podium.
The embodiment of the present invention provides a kind of centralized charge-discharge controller, for described Centralized Controller, including：
First link block, for treating that charging/discharging apparatus, concentration convertor unit are set up and are connected with described；
First acquisition module, described treat the current state parameter of charging/discharging apparatus and uses car quantity for obtaining；
Set up and prediction module, for being recorded according to the multiple data storage being obtained ahead of time, treat that discharge and recharge sets described in foundation
Standby electricity model, and predict that the later stage uses car quantity；
Second acquisition module, the electrical parameter for obtaining electric network state；
Determining module, for according to the state parameter, with car quantity, later stage with car quantity and the electrical parameter of electric network state
It is determined that the power output after coordinating；
First sending module, charging/discharging apparatus are treated for sending the power output to described.
Alternatively, second acquisition module, including：
Connection unit, is connected for being set up with power network platform；
Whether judging unit, for using car quantity according to the later stage, judge the power network now in peak of power consumption shape
State；
Transmitting element, for sending the peak of power consumption state to power network platform；
Receiving unit, power network power output, voltage and electricity price information for receiving the power network platform transmission.
Alternatively, the centralized charge-discharge controller, also includes：
Second sending module, treats that discharge and recharge sets for the electricity price information to be sent to described in the receiving unit
It is standby.
Alternatively, the centralized charge-discharge controller, also includes：
Judge module, for treating the current state parameter of charging/discharging apparatus according to and using car quantity, judges current vehicle
Whether belonging to urgent need treats charging/discharging apparatus, if so, preferential charge/discharge operation is performed, if it is not, being charged according to normal sequence
Or electric discharge.
Alternatively, the centralized charge-discharge controller, also includes：
Second link block, is connected for being set up with commercial podium；
Analysis module, for using car quantity according to the prediction later stage, analyzes future electrical energy market guidance；
Sharing module, charging/discharging apparatus, power network and electricity price resource are treated for shared described.
Alternatively, the centralized charge-discharge controller, in first link block with it is described treat charging/discharging apparatus,
Concentrate convertor unit to set up connection, set up with power network platform in the connection unit and be connected, with commercial flat in the second link block
Platform sets up one or more being connected by fiber optic network or automobile CAN-bus or wireless transmission method.
Embodiment of the present invention technical scheme, has the following advantages that：
The present invention provides a kind of centralized charge-discharge system, control method and device, and centralized charge-discharge system includes：Collection
Middle convertor unit, its input connection power network, its output end connection discharge and recharge bus；One or more are connected on charging bus to fill
Discharge paths；Charging/discharging apparatus are treated, is arranged on each discharge and recharge branch road；Centralized Controller, convertor unit and waits to fill with concentrating
Discharge equipment is connected respectively, the power output for coordinating convertor unit in domination set, and control treats that charging/discharging apparatus perform charge and discharge
Electricity work, and receive the current state parameter and use car quantity for treating that charging/discharging apparatus are returned.The present invention is by centralized change of current list
Unit and centralized controller realize the unified change of current, are uniformly controlled, are managed collectively, because of the concentration change of current list by designing centralization
Unit, without setting the current converter of multiple discretes, therefore can reduce excessive Electricity Investment and maintenance cost, further with power network
With commercial podium connection, improve electric network coordination work and the commercialization of electricity market is managed, not only meet user and use car demand, and
And ensure power network stable output power, charging/discharging apparatus are treated by coordinating control, so as to solve the state of power network electricity consumption congestion.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, below will be to specific
The accompanying drawing to be used needed for implementation method or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of centralized charge-discharge system in the embodiment of the present invention 1；
Fig. 2 is the structural representation of concentration convertor unit in centralized charge-discharge system in the embodiment of the present invention 1；
Fig. 3 is another structural representation of concentration convertor unit in centralized charge-discharge system in the embodiment of the present invention 1；
Fig. 4 is the flow chart of centralized charge/discharge control method in the embodiment of the present invention 2；
Fig. 5 is the flow of the electrical parameter of the acquisition electric network state of centralized charge/discharge control method in the embodiment of the present invention 2
Figure；
Fig. 6 is the structured flowchart of centralized charge-discharge controller in the embodiment of the present invention 3；
Fig. 7 is the structured flowchart of the second acquisition module in centralized charge-discharge controller in the embodiment of the present invention 3.
Specific embodiment
The technical scheme of the embodiment of the present invention is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment be a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is general
The every other embodiment that logical technical staff is obtained under the premise of creative work is not made, belongs to present invention protection
Scope.
, it is necessary to explanation in the description of the embodiment of the present invention, term " " center ", " on ", D score, "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship,
It is for only for ease of the description embodiment of the present invention and simplifies description, must has rather than the device or element for indicating or imply meaning
Have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in the description of the embodiment of the present invention
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Two connections of element internal are can also be, can be wireless connection, or wired connection.For the common skill of this area
For art personnel, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
As long as additionally, technical characteristic involved in invention described below different embodiments non-structure each other
Can just be combined with each other into conflict.
Embodiment 1
The present embodiment provides a kind of centralized charge-discharge system, as shown in figure 1, including：Convertor unit 1 is concentrated, its input
End connection power network, its output end connection discharge and recharge bus, for exporting direct current；One or more are connected in discharge and recharge bus to fill
Discharge paths；Charging/discharging apparatus 3 are treated, is arranged on each discharge and recharge branch road；Centralized Controller 2, convertor unit 1 and treats with concentrating
Charging/discharging apparatus 3 are connected respectively, the power output for coordinating convertor unit 1 in domination set, and control treats that charging/discharging apparatus 3 are performed
Charge/discharge operation, and receive the current state parameter and use car quantity for treating that charging/discharging apparatus 3 are returned, Centralized Controller 2 herein
The hub (hub) that a kind of information is exchanged can be considered as, while the information processing function on under, excellent according to this information
Gesture, according to mains frequency situation and batteries of electric automobile state, can realize the function basis of the V2G and G2G of electric automobile,
So as to play the function of primary frequency modulation to power network, while also needing to ensure need for electricity of the single motor automobile to battery.
Specifically, charging/discharging apparatus have the alternating current-direct current output electrical equipment of human computer interaction, and it is electricity that charging equipment is
The electrical equipment that electrical automobile charges, is divided into DC charging and AC charging.Centralized charge-discharge system application in the present embodiment
On charging/discharging apparatus, the general system will be dispersed in single charging pile the change of current and control unit centralized configuration to power distribution station,
Single Large Copacity current converter is built up, the unified change of current is formed, is uniformly controlled and data processing discharge and recharge (energy storage) pattern, on
The centralized charge-discharge system stated in power distribution station is typically set up in interior, can avoid the influence of bad weather and environment, so that
Ensure system conditions, the key equipment in system is configured inside power distribution station, formed and define consolidating for clearly power system
Determine assets, be easy to unify maintenance and management, it is protected from environmental to cause operating condition to be not sufficiently stable if installing out of doors.By
Centralized charge-discharge system can also be interacted with power network in the present embodiment, so can make as power network node
The energy storage characteristic of electric automobile plays a part of balancing electric power system, it is also possible to is set up with commercial podium and is connected, and participates in electric power city
Field transaction.
Specifically, convertor unit 1 is concentrated to be charged by a charging pile one in being different from charging equipment of the prior art
The pattern of joint, discharge and recharge is carried out by the converter control electric automobile of each charging pile, and the existing design is thrown
Money is big, and occupied ground is more, and cost of equipment maintenance is high, because that need not build numerous distributed converters, it is only necessary to a great Rong
The centralized converter of amount, because the total number of converter is significantly reduced, while position is more concentrated, because
This not only reduces maintenance cost, and facilitates and simplify system maintenance.This concentrates convertor unit 1 to be uniformly controlled multiple and treats charge and discharge
The power of electric equipment 3, charging/discharging apparatus 3 include the energy-storage travelling wave tube battery of electric automobile to treating in the present embodiment, realize unified control
The two-way flow of the electric energy of electric automobile processed, can also solve to be required for what is charged in same peak period due to many users
Puzzlement, because simultaneously for multiple electric automobiles are charged, the demand that user promptly charges is met, such as without as existing skill
The time that single charging pile can only be left unused using Vehicular night in art is charged.
As a kind of implementation, centralized charge-discharge system in the present embodiment, as shown in Fig. 2 convertor unit 1 is concentrated,
Including：Active Power Filter-APF 11, three-phase can not control rectifier 12 and DC-DC converter 13；Three-phase can not control rectifier 12
Input is connected with the common port of Active Power Filter-APF 11 and power network, three-phase can not control rectifier 12 output end and DC-DC
Converter 13 is connected, and the output end of DC-DC converter 13 is connected with discharge and recharge bus.
Specifically, based on power distribution station in centralized charge-discharge system, the converter circuit in single direct-current charging post is entered
Row centralized processing, wherein concentration convertor unit 1 can not control rectifier 12 and DC-DC by Active Power Filter-APF 11APF, three-phase
Converter 13 is constituted, and three-phase alternating current input is converted into multiple DC charging branch road outputs, and reconnection treats charging/discharging apparatus 3--
Electric automobile is used to be power battery charging.
As a kind of implementation, centralized charge-discharge system in the present embodiment, as shown in figure 3, convertor unit 1 is concentrated,
Also include：Active Power Filter-APF 11 and three-phase controlled rectifier 14；The input and active electric power of three-phase controlled rectifier 14
The common port connection of wave filter 11 and power network, the output end of three-phase controlled rectifier 14 is connected with discharge and recharge bus.
Specifically, based on power distribution station in centralized charge-discharge system, the converter circuit in single direct-current charging post is entered
Row centralized processing, wherein another concentrate convertor unit 1 by 14 groups of Active Power Filter-APF 11APF, three-phase controlled rectifier
Into, three-phase alternating current input is directly converted into multiple direct current charge-discharge branch road outputs, reconnection treats that charging/discharging apparatus 3-- is electronic
Automobile is used to be power battery charging.Sum it up, above two concentrates convertor unit 1, all it is by distributed three phase rectifier
It is circuit integrated to build up single Large Copacity current converter to power distribution station, it is that all charge and discharge electric terminals of power distribution station power supply area are carried
For the electric current of DC charging, so that the charging equipment by each parking stall is greatly simplified, each charge and discharge electric terminals is only needed
Being equipped with a charging plug and necessary communication module can just complete discharge and recharge, and man-machine interaction end is configured with single charging pile
End, there is provided compared for autonomous choice and related news, it is possible to achieve distributed man-machine interaction, it is unified by system centralized configuration
Centralized optimization control is carried out according to electric network state to big cluster charging terminal.
As a kind of implementation, centralized charge-discharge system in the present embodiment, current state parameter is to treat that discharge and recharge sets
Standby 3 current identity, current time and currently run electrical parameter.Current state parameter is detected by the local perception of bottom
Cloud platform is obtained, and local detection cloud platform can be utilized and treat that the BMS (battery management system) of the battery itself of charging/discharging apparatus 3 passes through
Sensor is acquired to the electrical parameter of the current operation of battery, such as voltage or electric current or power, and local detection cloud platform can be with
Detection active user's uses car quantity, and current identity refers to the model of battery, ID addresses, and local detection cloud platform is carrying out battery
In the knowledge otherwise of identity, while the label of additional current time, is easy to participate in the calculating of power network electricity consumption.Inspection is perceived local
Survey after cloud platform obtains some state parameter informations and be transferred to other platforms, setting up sensing network can realize that the whole network of information is total to
Enjoy.
Embodiment 2
The present embodiment provides a kind of centralized charge/discharge control method, as shown in figure 4, centralization in being applied to embodiment 1
Centralized Controller in charge-discharge system, including：
S1 and treat charging/discharging apparatus, concentrate convertor unit set up connection；By using fiber optic network or automobile CAN-bus
Or one or more in wireless transmission method with treat charging/discharging apparatus, concentrate convertor unit to set up to be connected the biography of the information of realization
It is defeated, realize the control of Internet of Things topological structure.
S2, acquisition currently treat the state parameter of charging/discharging apparatus and use car quantity；Mentioning state parameter in embodiment 1 is
Treat the current identity of charging/discharging apparatus battery, current time and currently run electrical parameter, only obtain state parameter and use car
Quantity, the coordination that could complete final power network by data message is controlled.
The multiple data storage record that S3, basis are obtained ahead of time, after the electricity model of charging/discharging apparatus, and prediction are treated in foundation
Phase uses car quantity；Multiple data storage is recorded as repeatedly recording the information of user's daily habits discharge and recharge, according to being obtained ahead of time
Multiple data storage record, the electricity model set up out is battery model, for characterizing state of charge, there is shown certain electric charge
The battery of amount how long being filled or be vented, can be predicted finally with reference to multiple data record, after analysis tomorrow or after
Its current point in time uses car quantity, so as to meet user uses car demand.
S4, the electrical parameter for obtaining electric network state；It is combined with electric network information, by coordinating control, is being met to greatest extent
Ensure the stabilization of power grids while user is with car demand, solve power network and congestion state occur.
As a kind of implementation, centralized charge/discharge control method in the present embodiment, as shown in Figure 5, step S4 is obtained
The electrical parameter of electric network state, including:
S41 and power network platform set up connection；By using in fiber optic network or automobile CAN-bus or wireless transmission method
One or more set up with power network platform and be connected, be to meet to coordinate power grid control and obtain peak of power consumption electricity price to make with reference to believing
Breath.
S42, car quantity is used according to the later stage, judge power network now whether in peak of power consumption state；Such as in tomorrow afternoon 3
During o'clock, because most of user is After Hours can directly to use car, so the user of majority at this time point all to treating
Charging/discharging apparatus are charged, then cause this time point power network to power crowded, thus by many users will use it is many
It is individual to use car quantity, can determine whether out power network at this time point whether in peak of power consumption.
S43, transmission peak of power consumption state to power network platform；The peak state that predict power network and will occur is sent to electricity
Net platform carries out integrated treatment.
S44, the power network power output for receiving the transmission of power network platform, voltage and electricity price information.Power network platform obtains crest high
State post analysis go out the parameters such as governable power output and controllable voltage, obtain the section of current rush hour of power network simultaneously in addition
Electricity price information participates in electricity consumption and calculates.
S5, according to state parameter, determine to coordinate with the electrical parameter of car quantity and electric network state with car quantity, later stage after it is defeated
Go out power；The acquired all data messages of centralized information treatment are carried out, according to corresponding control algolithm, determining to assist
Adjust the power output of power network.
S6, power output is sent to treating charging/discharging apparatus.Power output herein is more according to what is obtained after electric network coordination
Individual data message determines the final power output coordinated and, than being charged if desired for two electric automobiles, to wherein one
Electric automobile distributes the power of 7kW, and another electric automobile arranges 10kW, be then transferred to the general power for changing centralized converter
It is altogether 17kW, centralized converter can control the power electronic devices action of itself according to power.
Used as a kind of implementation, centralized charge/discharge control method, also includes in the present embodiment：Electricity price information is sent
To treating charging/discharging apparatus.In electric network information is obtained, because the electricity price including section of current rush hour and off-peak hours section
Electricity price information is different, on the one hand participates in power network electricity consumption and calculates, and is on the other hand also to solve the power network of rush hour section indirectly
The problem of electricity consumption obstruction, while user can also be pointed out in the correlative charges of Peak power use.
Used as a kind of implementation, centralized charge/discharge control method, also includes in the present embodiment：According to treating that discharge and recharge sets
Standby current state parameter and car quantity is used, judge whether Current vehicle belongs to urgent need charging/discharging apparatus, if so, execution is preferentially filled
Electric discharge work, if it is not, carrying out charge or discharge according to normal sequence.Judge whether Current vehicle belongs to urgent need charging/discharging apparatus,
Final purpose may finally ensure power network coulomb balance also for power network is alleviated in the difficult state of rush hour section electricity consumption,
Meet user's request.Such as：There are 8 users to prepare to charging electric vehicle in parking lot, but wherein one user's is electronic
More almost electricity is not all stored automobile, and after being connected with system, system judges that this treats charge and discharge after obtaining electrical parameter
Electric equipment is badly in need of supplement electricity, and just directly the quick electric automobile to the user fills electricity with, and 7 electronic vapour of other non-urgent needs
Car just can carry out discharge and recharge by system successively in sequence.
Used as a kind of implementation, centralized charge/discharge control method, also includes in the present embodiment：
Set up with commercial podium and be connected；By using in fiber optic network or automobile CAN-bus or wireless transmission method
Plant or several foundation with commercial podium is connected, final purpose is in order to promote the development of electricity market, such as the storage of electric automobile
Energy device is generally battery, and electric automobile flexibility is played, and is required for the market mechanism of electricity transaction to ensure, this is electricity
The key factor that can electrical automobile and new energy cooperate with.
Car quantity is used according to the prediction later stage, future electrical energy market guidance is analyzed；After the use car quantity for predicting the later stage, point
The development in future electrical energy market is separated out, centralized charge-discharge system can participate in electricity as power network node in embodiment 1
Power marketing, promotes the development of electricity market, is such as built in the works, according to the later stage car for usually predicting in new energy
Quantity, can analyze with the development of electric automobile charge and discharge power technology, the related variation tendency such as electricity price of electricity market, estimate
Go out in following and later development, the change of Electricity Price.
It is shared to treat charging/discharging apparatus, power network and electricity price resource.Actual a kind of centralized charge and discharge control of proposition of the invention
The solution and its topological structure of method, by multiple platforms, not only realize system control and information transmission, and filling
New service and business model, measured open interface, by platform service and data pair are created on the basis of electric discharge service
Connect related service platform, be the connection for promoting whole industrial chain, share commercial resource, get through vehicle, battery, discharge and recharge data,
Realize the analysis of battery Life cycle model, shared big data analysis result, such as shared later stage car for treating charging/discharging apparatus
Quantity resource, relative commercial department can estimate the electric automobile or battery for producing many small numbers, so as to meet user's request,
Also power market transaction is improved, new energy development is driven.
Embodiment 3
The present embodiment provides a kind of centralized charge-discharge controller, as shown in fig. 6, for the concentration control in embodiment 1
It is corresponding with the centralized charge/discharge control method in embodiment 2 in device processed, including：
First link block 61, for setting up and being connected with charging/discharging apparatus, concentration convertor unit are treated；
First acquisition module 62, current treat the state parameter of charging/discharging apparatus and uses car quantity for obtaining；
Set up and prediction module 63, for according to the multiple data storage record being obtained ahead of time, charging/discharging apparatus to be treated in foundation
Electricity model, and predict that the later stage uses car quantity；
Second acquisition module 64, the electrical parameter for obtaining electric network state；
Determining module 65, for according to state parameter, true with the electrical parameter of car quantity and electric network state with car quantity, later stage
Power output after fixed coordination；
First sending module 66, for sending power output to treating charging/discharging apparatus.
As a kind of implementation, centralized charge-discharge controller in the present embodiment, as shown in fig. 7, second obtains mould
Block 64, including：
Connection unit 641, is connected for being set up with power network platform；
Whether judging unit 642, for using car quantity according to the later stage, judge power network now in peak of power consumption state；
Transmitting element 643, for sending peak of power consumption state to power network platform；
Receiving unit 644, power network power output, voltage and electricity price information for receiving the transmission of power network platform.
Used as a kind of implementation, centralized charge-discharge controller, also includes in the present embodiment：
Second sending module, for electricity price information to be sent to treating charging/discharging apparatus in receiving unit.
Used as a kind of implementation, centralized charge-discharge controller, also includes in the present embodiment：
Judge module, for according to treating the current state parameter of charging/discharging apparatus and using car quantity, judging that Current vehicle is
The no urgent need that belongs to treats charging/discharging apparatus, if so, preferential charge/discharge operation is performed, if it is not, being charged according to normal sequence or being put
Electricity.
Used as a kind of implementation, centralized charge-discharge controller, also includes in the present embodiment：
Second link block, is connected for being set up with commercial podium；
Analysis module, for using car quantity according to the prediction later stage, analyzes future electrical energy market guidance；
Sharing module, charging/discharging apparatus, power network and electricity price resource are treated for shared.
As a kind of implementation, centralized charge-discharge controller in the present embodiment, in the first link block 61 with treat
Charging/discharging apparatus, concentration convertor unit set up connection, are set up with power network platform in connection unit 641 and are connected, the second link block
In with commercial podium set up be connected by fiber optic network or automobile CAN-bus or wireless transmission method in one or more.
Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of implementation method.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need and unable to be exhaustive to all of implementation method.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (16)
1. a kind of centralized charge-discharge system, it is characterised in that including：
Concentrate convertor unit, its input connection power network, its output end connection discharge and recharge bus, for exporting direct current；It is described
One or more discharge and recharge branch roads are connected in discharge and recharge bus；
Charging/discharging apparatus are treated, is arranged on each discharge and recharge branch road；
Centralized Controller, convertor unit and treats that charging/discharging apparatus are connected respectively with the concentration, for coordinating to control the concentration
The power output of convertor unit, control is described to treat that charging/discharging apparatus perform charge/discharge operation, and treats charging/discharging apparatus described in reception
The current state parameter of return and use car quantity.
2. method according to claim 1, it is characterised in that the concentration convertor unit,
Including：Active Power Filter-APF, three-phase can not control rectifier and DC-DC converters；
The three-phase can not the input of control rectifier be connected with the common port of the Active Power Filter-APF and power network, described three
Mutually can not the output end of control rectifier be connected with the DC-DC converter, the output end of the DC-DC converter and the charge and discharge
Electric bus connection.
3. method according to claim 1, it is characterised in that the concentration convertor unit,
Also include：Active Power Filter-APF and three-phase controlled rectifier；
The input of the three-phase controlled rectifier is connected with the common port of the Active Power Filter-APF and power network, the three-phase
The output end of controlled rectifier is connected with the discharge and recharge bus.
4. method according to claim 1, it is characterised in that the current state parameter is described to treat charging/discharging apparatus
Current identity, current time and currently run electrical parameter.
5. a kind of centralized charge/discharge control method, for the Centralized Controller described in any one of claim 1-4, it is special
Levy and be, including：
Treat that charging/discharging apparatus, concentration convertor unit are set up and are connected with described；
The current state parameter of charging/discharging apparatus is treated described in obtaining and use car quantity；
According to the multiple data storage record being obtained ahead of time, the electricity model of charging/discharging apparatus is treated described in foundation, and predict the later stage
Use car quantity；
Obtain the electrical parameter of electric network state；
Determine the output after coordinating with the electrical parameter of car quantity and electric network state according to the state parameter, with car quantity, later stage
Power；
Send the power output and treat charging/discharging apparatus to described.
6. method according to claim 5, it is characterised in that the electrical parameter of the acquisition electric network state, including：
Set up with power network platform and be connected；
Car quantity is used according to the later stage, judges the power network now whether in peak of power consumption state；
Send the peak of power consumption state to power network platform；
Receive power network power output, voltage and the electricity price information of the power network platform transmission.
7. method according to claim 6, it is characterised in that also include：The electricity price information is sent to described and waits to fill
Discharge equipment.
8. method according to claim 5, it is characterised in that also include：
According to the current state parameter for treating charging/discharging apparatus and car quantity is used, judge whether Current vehicle belongs to urgent need charge and discharge
Electric equipment, if so, preferential charge/discharge operation is performed, if it is not, carrying out charge or discharge according to normal sequence.
9. method according to claim 5, it is characterised in that also include：
Set up with commercial podium and be connected；
Car quantity is used according to the prediction later stage, future electrical energy market guidance is analyzed；
Charging/discharging apparatus, power network and electricity price resource are treated described in shared.
10. the method according to claim 5 or 6 or 9, it is characterised in that described to treat that charging/discharging apparatus, concentration are changed with described
Stream unit sets up connection, is set up with power network platform and is connected, and is set up with commercial podium and is connected by fiber optic network or automobile CAN-bus
Or one or more in wireless transmission method.
A kind of 11. centralized charge-discharge controllers, for the Centralized Controller described in any one of claim 1-4, its
It is characterised by, including：
First link block, for treating that charging/discharging apparatus, concentration convertor unit are set up and are connected with described；
First acquisition module, described treat the current state parameter of charging/discharging apparatus and uses car quantity for obtaining；
Set up and prediction module, for being recorded according to the multiple data storage being obtained ahead of time, charging/discharging apparatus are treated described in foundation
Electricity model, and predict that the later stage uses car quantity；
Second acquisition module, the electrical parameter for obtaining electric network state；
Determining module, for being determined with the electrical parameter of car quantity and electric network state according to the state parameter, with car quantity, later stage
Power output after coordination；
First sending module, charging/discharging apparatus are treated for sending the power output to described.
12. devices according to claim 11, it is characterised in that second acquisition module, including：
Connection unit, is connected for being set up with power network platform；
Whether judging unit, for using car quantity according to the later stage, judge the power network now in peak of power consumption state；
Transmitting element, for sending the peak of power consumption state to power network platform；
Receiving unit, power network power output, voltage and electricity price information for receiving the power network platform transmission.
13. devices according to claim 12, it is characterised in that also include：
Second sending module, charging/discharging apparatus are treated for the electricity price information to be sent to described in the receiving unit.
14. devices according to claim 11, it is characterised in that also include：
Judge module, for treating the current state parameter of charging/discharging apparatus according to and using car quantity, judges that Current vehicle is
The no urgent need that belongs to treats charging/discharging apparatus, if so, preferential charge/discharge operation is performed, if it is not, being charged according to normal sequence or being put
Electricity.
15. devices according to claim 11, it is characterised in that also include：
Second link block, is connected for being set up with commercial podium；
Analysis module, for using car quantity according to the prediction later stage, analyzes future electrical energy market guidance；
Sharing module, charging/discharging apparatus, power network and electricity price resource are treated for shared described.
16. device according to claim 11 or 12 or 15, it is characterised in that treated with described in first link block
Charging/discharging apparatus, concentration convertor unit set up connection, are set up with power network platform in the connection unit and are connected, the second link block
In with commercial podium set up be connected by fiber optic network or automobile CAN-bus or wireless transmission method in one or more.
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