CN105762831B - Energy network system - Google Patents
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- CN105762831B CN105762831B CN201410789549.3A CN201410789549A CN105762831B CN 105762831 B CN105762831 B CN 105762831B CN 201410789549 A CN201410789549 A CN 201410789549A CN 105762831 B CN105762831 B CN 105762831B
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- 238000004146 energy storage Methods 0.000 claims description 45
- 238000006243 chemical reaction Methods 0.000 claims description 18
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- 238000001514 detection method Methods 0.000 description 1
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- 229940032958 ferric phosphate Drugs 0.000 description 1
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- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
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- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of energy network systems, comprising: passes through the multiple energy source routers and queuing control device of network connection, wherein array structure is formed in the multiple energy router logic, each energy source router has unique address；And the control device that is lined up is configured to send power request to energy source router according to the address for corresponding to energy source router.Through the above technical solution, by will source router composition array structure in logic, make to be in communication with each other between each energy source router, can individually can source routers break down when by other can source routers failure energy source router is responded in processing power request, keep the continuity of energy source.
Description
Technical field
The present invention relates to power grid energy storage fields, and in particular, to a kind of energy network system.
Background technique
Energy internet is with the novel information energy fusion " wide area network " of internet theory building, it is with bulk power grid
" backbone network " with the integrated information and power framework of open equity, really realizes that the two-way of the energy is pressed with microgrid for " local area network "
It need to transmit and be used with dynamic equilibrium, the access of new energy can be adapted to the maximum extent.Microgrid is basic in energy internet
Component, by generation of electricity by new energy, the acquisition of micro- energy, convergence with share and microgrid in energy storage or electricity consumption dissolve and to be formed
" local area network ".Although electric energy is only one kind of the energy, electric energy has incomparable in terms of energy source
Advantage, main body certainty or power grid of the future source of energy infrastructure in terms of transmission, therefore future source of energy internet is substantially
The power grid of internet type.Energy internet centralized, unidirectional power grid one is transformed into and more consumers interaction
Power grid.
Power electronic technique is to realize the main means of energy internet-based control, according to the needs of user with given voltage and
The transmission of frequency control electric power is still technological difficulties, and electric power electric transformer compares still efficient, appearance with traditional transformer
The bottleneck problem of amount and reliability etc..Disperse the energy management of cooperating type, traditional Energy Management System is needed in the energy
Realize that an energy information is acquired in real time, handled, analyzing and the Energy Management System of decision on the basis of internet.
Energy Generation Internet include the production of the energy, transmission, using and the system interaction, formed in the system
Mutual exchange between each energy resource system, thus improve the transfer efficiency of the energy, whole system realize intelligence exchange, intelligence
It matches, optimize allocation of resources, improve energy system, energy system is pushed to develop to more advanced direction, form Different Industries
System merges the energy internet with conversion to energy system, it is therefore desirable to a novel energy network system.
But existing energy system lacks unified mode and standard, distributed generation system only provides energy for region
Source cannot constitute a big network system.Meanwhile the existing networking due to distributed energy manages no United Dispatching and pipe
Reason, does not have systematic solution to user's power request, causes distributed energy utilization rate not high.
Summary of the invention
The present invention provides a kind of energy network system, comprising: multiple by network connection can source router and queuing control
Device processed, wherein array structure is formed in the multiple energy router logic, each energy source router has uniquely
Location；And the control device that is lined up is configured to send the energy to energy source router according to the address for corresponding to energy source router
Request.
Further, the queuing control device is configured to receive the power request from network, and according to currently with
The ability of multiple energy source routers of queuing control device connection responds the power request.
Further, the queuing control device is configured to reach the multiple energy road when a received power request
By device the ability upper limit when, the power request received later is lined up, generate power request queue.
Further, the queuing control device asks the energy in the power request queue according to first in, first out principle
It asks and is responded.
Further, it is described can source router include: control unit, electric energy conversion stages and energy storage device, wherein
Described control unit is configured in response to power request and sends electrical energy transportation instruction to the electric energy conversion stages；And institute
It states electric energy conversion stages and is configured in response to the electrical energy transportation state that the electrical energy transportation instruction changes the energy storage device.
Further, the energy source router further includes energy storage device power management system, is configured in response to described
Electrical energy transportation instruction, controls the charging and discharging state of the energy storage device.
Further, the electric energy conversion stages include: output DC converter, direct current gird-connected inverter and exchange simultaneously
Net inverter, wherein the output DC converter is configured to execute AC/DC to charge to the energy storage device；It is described straight
Stream gird-connected inverter is configured to execute DC/DC so that the energy storage device direct current is grid-connected；And the exchange gird-connected inverter
It is grid-connected to exchange the energy storage device to be configured to execute DC/AC.
Further, the direct current gird-connected inverter include the first transistor S1 being connected between direct current parallel network circuit,
The collector of second transistor S2, the first transistor S1 are connect with the emitter of second transistor S2, the first transistor S1 and
It is connected separately with first diode D1, the second diode D2 between the emitting stage and collector of two-transistor S2, the of the concatenation
Between one diode D1, the second diode D2 and it is connected to capacitor C2, is also gone here and there between the emitter and collector of the first transistor S1
It is connected to inductance L and capacitor C1, wherein the cathode of the transmitting extremely direct current parallel network circuit of the first transistor S1, second transistor S2
Current collection extremely direct current parallel network circuit anode.
Further, the exchange gird-connected inverter includes the crystalline substances by 6 groups of parallel connections being connected between exchange parallel network circuit
The three-phase full-bridge inverting circuit of body pipe and diode composition.
Further, described control unit is further configured to receive the power request from Ethernet.
Through the above technical solutions, by will source router composition array structure in logic, route each energy
Can be in communication with each other between device, can individually can source routers break down when by other can source routers to failure energy road
By being responded in processing power request for device, the continuity of energy source is kept.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the energy network system structure diagram of embodiment according to the present invention；
Fig. 2 is can source router array addressing mode schematic diagram in the energy network system of embodiment according to the present invention；
Fig. 3 is power request queue schematic diagram in the energy network system of embodiment according to the present invention；
Fig. 4 is the energy source router composed structure schematic diagram of embodiment according to the present invention；
Fig. 5 is the gird-connected inverter schematic illustration of the energy source router of embodiment according to the present invention；
Fig. 6 A- Fig. 6 C is the operation mode schematic diagram of the energy source router of embodiment according to the present invention.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Fig. 1 is the energy network system structure diagram of embodiment according to the present invention.Fig. 2 is embodiment party according to the present invention
It can source router array addressing mode schematic diagram in the energy network system of formula.As depicted in figs. 1 and 2, embodiment of the present invention
The energy network system of offer includes: multiple energy source routers by network connection and is lined up control device, wherein described more
Array structure is formed in a energy router logic, each energy source router has unique address；And the queuing control
Device is configured to send power request to energy source router according to the address for corresponding to energy source router.
In embodiments, energy source router is used to control the charging and discharging of energy-storage lithium battery unit, and passes through exchange
Bus or dc bus are grid-connected by the electric energy of lithium cells；Electrical energy transformer (PCS), for receiving the control of energy source router
Signal carries out the electric energy transmitted from distributed energy (such as wind energy) to be transformed into direct current, by the direct current
Electricity charges under the control of battery management system (BMS) to energy-storage lithium battery unit, and will under the control of energy source router
The electric energy of distributed energy or electric energy in energy-storage lithium battery carry out that direct current is grid-connected or exchange according to the demand of practical microgrid bus
It is grid-connected, to realize the grid-connected function of distributed energy；Battery management system, control electrical energy transformer are filled to energy-storage lithium battery unit
Electric discharge stops electrical energy transformer and charges the battery or discharge when energy-storage lithium battery is under-voltage or over-voltage；Energy-storage lithium battery unit,
It is controlled by battery management system, is charged by electrical energy transformer, or discharged by electrical energy transformer.In embodiments, energy storage
Lithium cells can use the ferric phosphate lithium cell module of 48V200AH.Microgrid bus may include direct-current micro-grid bus and friendship
Flow microgrid bus.
In embodiments of the present invention, will source router arranged according to matrix type structure, for example, can be by energy road
The energy memory of matrix form is classified into according to its corresponding distributed energy by device.In a preferred embodiment, matrix
Row can represent different types of energy.For example, the A row in matrix may include photovoltaic energy shown in Fig. 1 as shown in Figure 2
A, wind energy A and biomass energy A.Serial number in A row can indicate specifically to number, such as 1 corresponds to photovoltaic energy A, 2
Corresponding wind energy A etc..
Shown in attached drawing 1, being lined up control device can be arranged at and can be configured between source router and network from network
Power request is received, and the energy is asked according to the ability for the multiple energy source routers currently being connect with the queuing control device
It asks and is responded.For example, when using wait in line mode carry out alterating and direct current can it is grid-connected when, if can only at most be accommodated in system
K power request when a power request reaches at a certain moment, is being handled, then this energy when having K power request in system
Source request can be denied access to system, and be lined up in being lined up control device, and power request queue is generated.Implementing
In mode, the power request in the power request queue can be rung according to first in, first out principle by being lined up control device
It answers.
(i.e. when the function system of energy source router composition can continue to receive power request after power request completion queue
When) and when needing direct-current micro-grid grid-connected, by can source router control electric energy direct-current micro-grid bus is incorporated to by direct current, then can be with
The DC/AC conversion of direct current to exchange is connected to the grid；When needing to exchange stream micro-grid connection, passed through by energy source router control electric energy
Exchange is incorporated to AC microgrids bus, then is connected to the grid by AC microgrids.
The energy source router form of presentation in embodiment of the present invention is described in detail below with reference to Fig. 2.Such as Fig. 2 institute
Show, wherein matrix is 7 rows 8 column, and capable label is from A to F, and the label of column is from 7 to 0.Each matrix includes 56 energy source routers,
And it can be according to practical Expansion or adjustment.Wherein it is possible to which defining A0~A7 is the energy that solar energy generates；B0~B7 is
The energy that wind-force generates；C0~C7 is the energy that biomass generates；F0~F7 is the network energy that other way generates.In addition,
Above-mentioned matrix architecture can reserve extending space, be extended according to the actual situation.
In embodiments, each energy source router corresponds to an IP address.This mould for energy stores classification
Formula distinguishes the difference between different energy sources source, can do basis in the plan of distribution of electricity market for different energy sources.It can lead to
It crosses and energy source router is sorted out to meet the power demand of power unit in minimum group.Minimum group refer to a user,
One office space or a midget plant etc..In minimum group can there are many type electric appliance, feeder line, battery, generator
With multiple energy source routers.In such minimum group, the production and consumption of electric energy can pass through the lithium in energy source router
Battery energy storage keeps an equilibrium level.By distributed energy, pass through the lithium battery energy storage battery mode in energy router interior, energy
It is enough that the energy is subjected to digitlization and discretization.When distributed energies various in a region are more, to being distributed in a region
The formula energy is sorted out and is managed.
In embodiments, when energy network system detection breaks down to some energy source router, this can be cut off
Can source router so that power generation failure is limited in vivo, then can using it is other can source routers energy supplement
Mode adjacent energy source router out of matrix obtains energy.
The electrical energy storage device with matrix structure that embodiment of the present invention provides can be used as when with the energy
The equipment when electric energy of source data is transmitted to user from micro-capacitance sensor for maintaining the equilibrium of supply and demand.It is equal that this is different from traditional load
Weighing apparatus, because the electrical energy storage in open electric energy net is to be shared simultaneously by many distributed generation resources and user, memory capacity
It has to determine on the basis of utilization rate of equipment and installations.
Fig. 3 is power request queue schematic diagram in the energy network system of embodiment according to the present invention.Power request can
To be divided into storage class and electric discharge type according to the direction of transfer of the energy.Queuing control can be carried out for every kind of power request.
As an example, when user uses the energy of energy network system call, the input process and use of power request
It is as follows that family power request reaches the case where being lined up control device:
A) the source number of the overall number of power request or power request can be limited be also possible to infinitely；
B) type that power request reaches, power request to the mode come may be one by one, it is also possible to arrive in batch
It reaches；
C) the time interval distribution that power request reaches in succession can be deterministic type, be also possible to stochastic pattern.
The energy network system of the matrix form framework provided using embodiment of the present invention can be for power request to arrange
Team's mode is designed, the queue waited in line according to power request and the order distribution energy for receiving service.
Assuming that K power request can only be at most accommodated in minimum cluster systems in energy network system, one at a certain moment
When power request reaches, handled as having K power request in system, then this power request is just denied access to and is
System.Thus have:
It enablesHave:
There is no the probability of power request in system
The processing number of average power request in system:
Average power request is lined up number:
Just there is the probability of n power request in system:
Pn=ρnP0, n=1,2 ..., K
Wherein:
λ: the power request number averagely reached in the unit time,
1/ λ: average interarrival time,
μ: the power request number that can have averagely been serviced in the unit time,
The average service time of 1/ μ: one power request,
ρ: the service intensity of each energy source router electrical energy transformer,
Pn: there is the probability of n power request in stable state, in system,
Ls: refer to the power request in queuing system (including receiving service and in all energy of line for service
Source request) average,
Lq: refer to the power request number for waiting in line service in systems.
In embodiments, being lined up control device can be according to the above parameter, for example, being averaged interarrival time etc. to set
The size for being lined up storehouse is set, to accommodate the expected power request received.
Fig. 4 is the energy source router composed structure schematic diagram of embodiment according to the present invention.As shown in figure 4, the present invention mentions
The energy source router of confession may include: control unit, electric energy conversion stages and energy storage device.Those skilled in the art can
To understand, single battery shown in figure can be the battery being made of several small rechargeable cells, such as can
To be plumbic acid element battery or lithium battery (48V200Ah).Nonetheless, the rechargeable cell after series connection forms
The voltage of battery is also smaller, may there was only tens volts of voltage, such as 36V or 48V.Electric energy conversion stages can be by direct current
(DC) it is converted into exchange (AC), exchange can also be converted into direct current, it, can also be with to enable energy storage device to grid power transmission
Store the extra energy of power grid.Wherein described control unit is configured in response to power request to the electric energy conversion stages
Send electrical energy transportation instruction；And the electric energy conversion stages are configured in response to described in the electrical energy transportation instruction change
The electrical energy transportation state (or conveying direction) of energy storage device, for example, energy storage or electric discharge.Electric energy conversion stages may include output
Two parts of DC converter and gird-connected inverter are each responsible for executing AC/DC to charge to energy storage device and fill energy storage
The electric energy set is grid-connected.
In embodiments, can source router can also include (or the power of battery management of energy storage device power management system
System), it is configured in response to the electrical energy transportation instruction, the charging and discharging state of the energy storage device is controlled.Energy storage
Device receives the instruction of the control unit of energy source router, is managed to the state of the charging and discharging lithium battery in energy storage device,
When control unit instruction needs to charge the battery or discharge, battery management function is executed by cell power management system.For example,
When judging that battery fills with, control output DC converter stops charging.
Control unit is the core in energy source router, and function is related to communication, demand analysis, power flowcontrol etc..
Exemplary description is carried out to the concrete composition of control unit below.
In embodiments of the present invention, control unit may include power circuit, reset circuit, clock signal unit,
CPU, FLASH flash memory, SDRAM, ethernet controller and power flowcontrol unit.
Power circuit part is used to power to each section in energy source router.In embodiments of the present invention, the energy
Router can take electricity using built-in lithium battery, by CFD5 series DC/DC module, input the DC voltage of 48V, export 12V
Energy source router power supply is given with the DC voltage of 5V.It exports 5V direct current and passes through inductor filter, two-way is divided to power to entire circuit.One
Road directly feeds the circuit that operating voltage is 5V, and another way carries out voltage transformation by integrated circuit PJ1084, obtains part core
3.3V voltage required for piece circuit works.
Reset circuit includes two parts: cpu reset circuit part is made when system electrification or abnormity of power supply are restored again
CPU automatically resets；Another part is in the case where system in case of system halt occurs in software operation exception, and user can be by pressing external reset
Switch is to make cpu reset.Reset signal is generated by a foolproof RC circuit, button switch.When system electrification or
Reset switch artificially is pressed, a low level pulse can be generated, which makes cpu reset after digital gate circuit shaping, into
Row initialization.
Clock signal unit: using 4 crystal oscillators, clock signal needed for providing each section IC work respectively.
50M-cpu circuit S3C4510B01 master clock, 25M-exchange control unit RTL8305S clock, 20M-ethernet controller
RTL8019AS clock, 7.372M-asynchronous serial communication chip TG16C550CJ clock.
CPU is the core chips of energy source router, can choose BF506 microcontroller in embodiments.The microcontroller
Device can realize ethernet communication system, have the characteristics that inexpensive and high performance.
8/16/32 external bus can be used in FLASH flash memory, can support ROM, SRAM, flash memory, DRAM.Implementing
The flash memory EN29-F040-70J storing data of EON company can be used in mode.
In embodiments, SDRAM has used the M12L16161C -512K byte of 2 ESMT companies, 16,2Banks
Synchronous SDRAM.The SDRAM is powered using 3.3V, and automatic autonomous refreshing, the refresh cycle is 32 milliseconds, and interface is LVTTL level,
Using CMOS technology processing procedure, 50TSOP encapsulation.
Ethernet controller for realizing can source router and Ethernet communication, enable control unit from Ethernet
Receive power request.Ethernet controller circuit connects microcontroller by system bus, wide by RJ45 and twisted pair line connection
Domain net (WAN), the partial circuit also provide RS-232 serial ports connecting wan, and the core of circuit can be ethernet control chip
RTL8019AS and asynchronous communication control chip TG16C550CJ.Ethernet uses IEEE802.3 agreement, the IEEE802.3 agreement
In define the content of line including physical layer, electric signal and medium access layer protocol.
Power flowcontrol unit is for controlling the trend of electric energy.The power flowcontrol unit selected in embodiments can
To be integrated algorithm unit, which controls electric energy changed power part by flow control method.Make energy road
Tool by device as the energy conversion comprising energy storage device uses.
Fig. 5 is the gird-connected inverter schematic illustration of the energy source router of embodiment according to the present invention.Transformation of electrical energy function
Gird-connected inverter in rate grade may include: direct current gird-connected inverter and exchange gird-connected inverter, wherein direct current gird-connected inverter
It is configured to execute DC/DC so that the energy storage device direct current is grid-connected；And exchange gird-connected inverter is configured to execute DC/AC
It is grid-connected to exchange the energy storage device.As shown in figure 5, direct current gird-connected inverter may include be connected to direct current parallel network circuit it
Between transistor S1, transistor S2, the collector of transistor S1 connect with the emitter of transistor S2, transistor S1 and transistor
Be connected separately with diode D1, diode D2 between the emitting stage and collector of S2, diode D1, the diode D2 of the concatenation it
Between and be connected to capacitor C2, be also serially connected with inductance L and capacitor C1 between the emitter and collector of transistor S1, wherein transistor
The cathode of the transmitting extremely direct current parallel network circuit of S1, the anode of the current collection of transistor S2 extremely direct current parallel network circuit.It exchanges grid-connected
Inverter may include the three phase full bridge being made of 6 groups of transistors and diode in parallel being connected between exchange parallel network circuit
Inverter circuit.
Above-mentioned gird-connected inverter has the IGBT of body diode including 8, as shown in figure 5, diode serial number is respectively D1
~D8, IGBT serial number are respectively S1~S8.Wherein direct current and mesh portions control the logical of entire circuit by switch K1 and switch K2
Disconnected, two switches are controlled by the control unit of energy source router.Capacitor C1 can be after electrolytic capacitor is connected with inductance L together
In parallel with S1, the part after this parallel connection connects with S2 and exports U0 to direct-current grid, can be to grid-connected by electrolytic capacitor C2
Waveform filtering.Exchange and mesh portions by S3~S8 form three phase full bridge circuit, pass through can source router control unit control K3
On-off controlled, the alternating current after three-phase inversion is output to exchange micro-capacitance sensor by the port Ua, Ub, Uc.
In embodiments, energy source router can first judge the power grid type to be incorporated to when controlling grid-connected.According to institute
The micro-capacitance sensor being incorporated to is AC network or DC grid, by controlling topological switching and selection.
When the control unit judgement of energy source router carries out being incorporated to direct-current grid, so that K1, K2 closure and K3
It disconnects, battery pack is worked by direct current gird-connected inverter, and when direct current half-bridge inverter works to grid transmission, switching tube Sl exists
The work of setpoint frequency lower switch, S2 cut-off, circuit is boost conversion circuit at this time；It is electric to lithium when needing to control direct-current grid
When pond is charged, switching tube S2 works in setpoint frequency lower switch, and Sl cut-off, circuit is step-down conversion circuit at this time, realizes electricity
The storage and transmission of energy are realized by inductance L in DC micro-electric charging off the net in pond.
When energy source router judgement carries out being incorporated to exchange micro-capacitance sensor, so that K1, K2 are disconnected and K3 closure, battery pack
It carries out exchanging grid-connected cell operation by switching tube S3~S8 three-phase full-bridge inverting circuit, be modulated using SVPWM by battery pack end
Direct current be converted into power frequency AC, by three-phase full-bridge inverting circuit realize exchange it is grid-connected.
Above-mentioned DC converter has preferable compatibility with the circuit structure for exchanging gird-connected inverter, and the same equipment can
It can also be used in exchange micro-capacitance sensor with being used in DC micro power grid system, it is straight using being incorporated to by the property selection for detecting micro-capacitance sensor
Stream micro-capacitance sensor is incorporated to exchange micro-capacitance sensor.The topology of this two kinds of grid-connect modes of compatibility is saved using the least mode of device
Cost.Also, by switching, the direct current input of lithium battery is shared, logic control is easy to.
Fig. 6 A- Fig. 6 C is the operation mode schematic diagram of the energy source router of embodiment according to the present invention, is shown
It can source router flow control method.Energy source router can control the working condition of output DC converter gird-connected inverter,
When needing to carry out lithium battery energy storage battery charge mode, control output DC converter and control gird-connected inverter work at the same time or divide
It does not work independently, so that distributed energy and microgrid bus power source charge to lithium battery, energy source router is selected according to actual condition
Both output DC converter gird-connected inverters are selected individually to charge or charge simultaneously.
When energy source router judgement needs to carry out energy storage electric discharge, control gird-connected inverter work, so that gird-connected inverter
Realize that lithium battery discharges to AC microgrids bus or direct-current micro-grid bus.
When energy source router judgement needs to carry out energy storage interactive mode, control output DC converter work is controlled simultaneously
Net inverter work, so that output voltage passes through gird-connected inverter to micro-capacitance sensor while output DC converter charges the battery
Power transmission.At this point, controlling the charged state of battery by cell power management system.
In embodiments, the electric energy of distributed energy input can be direct current (such as photovoltaic power generation), be also possible to
Alternating current (such as wind-power electricity generation), is converted by input direct-current converter first, and the unified 48V direct current that exports fills lithium battery
Electricity.
It is illustrated above to of the invention apart from embodiment in conjunction with attached drawing.Advantages of the present invention is summarized such as below
Under:
1) each energy source router is the network node with energy-storage units, and power generation failure is limited in can source router
It is a internal；
2) by the scheduling of energy source router, by the energy-storage units of each energy router interior and power grid and distribution
The energy interacts, and makes it possible to consume the renewable energy of discretization by power grid demand；
3) by the way of matrix arrangement energy source router, distributed energy is classified into the energy of matrix form
It deposits, handles electric energy interruption and fluctuation in real time, reduce the transmission of long term distance electric power, reduce the transmission loss of reactive power；
4) way to manage being lined up using group's energy demand improves energy use efficiency, improves energy security, failure hair
It can be helped from adjacent group when raw.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (9)
1. a kind of energy network system, which is characterized in that the energy network system includes:
Pass through the multiple energy source routers and queuing control device of network connection, wherein in the multiple energy router logic
It is arranged according to matrix type structure to form array structure, each energy source router has unique address；And the queuing control
Device processed is configured to send power request to energy source router according to the address for corresponding to energy source router；
Wherein, the queuing control device is further configured to receive the power request from network, according to currently with the queuing control
The ability of multiple energy source routers of device connection processed responds the power request.
2. energy network system according to claim 1, which is characterized in that the queuing control device is configured to work as institute
When received power request reaches the ability upper limit of the multiple energy source router, the power request received later is arranged
Team generates power request queue.
3. energy network system according to claim 2, which is characterized in that the queuing control device is according to first in, first out
Principle responds the power request in the power request queue.
4. energy network system described in any one of -3 claims according to claim 1, which is characterized in that the energy road
It include: control unit, electric energy conversion stages and energy storage device by device, wherein
Described control unit is configured in response to power request and sends electrical energy transportation instruction to the electric energy conversion stages；With
And
It is defeated that the electric energy conversion stages are configured in response to the electric energy that the electrical energy transportation instruction changes the energy storage device
Send state.
5. energy network system according to claim 4, which is characterized in that the energy source router further includes energy storage device
Power management system is configured in response to the electrical energy transportation instruction, controls to the charging and discharging state of the energy storage device
System.
6. energy network system according to claim 4, which is characterized in that the electric energy conversion stages include: output
DC converter, direct current gird-connected inverter and exchange gird-connected inverter, wherein
The output DC converter is configured to execute AC/DC to charge to the energy storage device；
The direct current gird-connected inverter is configured to execute DC/DC so that the energy storage device direct current is grid-connected；And
It is grid-connected to exchange the energy storage device that the exchange gird-connected inverter is configured to execute DC/AC.
7. energy network system according to claim 6, which is characterized in that the direct current gird-connected inverter includes being connected to
The first transistor (S1), second transistor (S2) between direct current parallel network circuit, the collector and second of the first transistor (S1)
The emitter of transistor (S2) connects, between the first transistor (S1) and the emitting stage and collector of second transistor (S2) respectively
It is connected with first diode (D1), the second diode (D2), the two of the first diode (D1) of the concatenation, the second diode (D2)
Between end and it is connected to capacitor C2, inductance (L) and capacitor C1 are also serially connected between the emitter and collector of the first transistor (S1),
Wherein, the cathode of the transmitting extremely direct current parallel network circuit of the first transistor (S1), the current collection extremely direct current of second transistor (S2)
The anode of parallel network circuit.
8. energy network system according to claim 6, which is characterized in that the exchange gird-connected inverter includes being connected to
The three-phase full-bridge inverting circuit being made of 6 groups of transistors and diode in parallel between exchange parallel network circuit.
9. energy network system according to claim 4, which is characterized in that described control unit is further configured to from ether
Net receives the power request.
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| TWI602374B (en) * | 2016-06-15 | 2017-10-11 | 中興電工機械股份有限公司 | Mobile micro-grid system and control method thereof |
| CN107784382A (en) * | 2016-08-31 | 2018-03-09 | 北京南瑞电研华源电力技术有限公司 | User side energy internet planing method based on energy source router |
| CN107797532A (en) * | 2017-09-06 | 2018-03-13 | 珠海格力电器股份有限公司 | Energy control device, interaction device, method, power utilization system and storage medium |
| CN107834592B (en) * | 2017-11-01 | 2020-12-04 | 上海交通大学 | Energy router topological structure for source storage and load unified management and control method |
| CN110543650B (en) * | 2018-05-29 | 2023-04-07 | 国家能源投资集团有限责任公司 | Fragmentation energy evaluation method and device |
| CN110460032B (en) * | 2019-07-09 | 2021-06-22 | 国网河北省电力有限公司衡水供电分公司 | Power transmission method |
| CN110445888B (en) * | 2019-09-02 | 2024-02-20 | 山西力创自动化技术有限公司 | Communication address self-setting system and method for digital weighing sensor |
| CN111525827B (en) * | 2020-04-16 | 2022-12-13 | 深圳市鹏源电子有限公司 | Energy routing system |
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