CN105762831A - Energy network system - Google Patents

Energy network system Download PDF

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Publication number
CN105762831A
CN105762831A CN201410789549.3A CN201410789549A CN105762831A CN 105762831 A CN105762831 A CN 105762831A CN 201410789549 A CN201410789549 A CN 201410789549A CN 105762831 A CN105762831 A CN 105762831A
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energy
power request
network system
transistor
direct current
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CN105762831B (en
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周友
吴峂
牛建娜
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China Energy Investment Corp Ltd
National Institute of Clean and Low Carbon Energy
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Shenhua Group Corp Ltd
National Institute of Clean and Low Carbon Energy
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Abstract

The present invention discloses an energy network system, which comprises a plurality of energy routers connected through a network and a queuing control device. The plurality of energy routers logically form an array structure. Each energy router has a unique address. The queuing control device is configured to send an energy request to one energy router according to the address of the energy router. According to the technical scheme of the invention, the energy routers form the array structure logically, so that all the energy routers can communicate with each other. Meanwhile, when an individual energy router has a fault, another energy router responds to the energy request being processed by the faulted energy router. As a result, the continuity of the energy transmission is ensured.

Description

Energy network system
Technical field
The present invention relates to electrical network energy storage field, in particular it relates to a kind of energy network system.
Background technology
Energy the Internet is that the novel information energy built with the Internet theory merges " wide area network ", it is with bulk power grid for " backbone network ", with microgrid for " LAN ", integrated information and power framework with open equity, the two-way on-demand transmission and the dynamic equilibrium that really realize the energy use, it is possible to adapt to the access of new forms of energy to greatest extent.Microgrid is the basic component in energy the Internet, by generation of electricity by new energy, micro-energy collection, converge and share and energy storage in microgrid or electricity consumption are dissolved formation " LAN ".Although electric energy is only the one of the energy, but electric energy has incomparable advantage in energy source efficiency etc., and future source of energy infrastructure main body certainty electrical network in transmission, therefore future source of energy the Internet is substantially the electrical network of internet type.Energy the Internet, centralized, a unidirectional electrical network, is transformed into and the electrical network of more consumer interaction.
Power Electronic Technique is to realize the Main Means of energy internet-based control, according to user need remain technological difficulties, electric power electric transformer and traditional transformer with the transmission of given voltage and FREQUENCY CONTROL electric power and compare the bottleneck problem of the aspects such as still effective percentage, capacity and reliability.The energy management of dispersion cooperating type, traditional EMS needs to realize the EMS of an energy information Real-time Collection, process, analysis and decision-making on the basis of energy the Internet.
Energy Generation Internet includes the mutual of the production of the energy, transmission, utilization and this system, form the mutual exchange between each energy resource system in this system, thus improve the conversion efficiency of the energy, whole system realize intelligence exchange, intelligence proportioning, optimize allocation of resources, improve energy system, energy system is promoted to develop to more senior direction, form Different Industries system to merge and the energy the Internet converted to energy system, it is therefore desirable to a novel energy network system.
But existing energy system lacks unified pattern and standard, distributed generation system simply provides the energy for region, it is impossible to constitute a big network system.Meanwhile, the existing networking due to distributed energy manages does not have United Dispatching and management, user's power request is not had systematic solution, causes that distributed energy utilization rate is not high.
Summary of the invention
The present invention provides a kind of energy network system, including: the multiple energy source routers connected by network and control device of queuing up, wherein, the plurality of energy router logic forms array structure, each energy source router have unique address；And described queue up control device be configured to according to corresponding to can source router address to can source router send power request.
Further, described queuing controls device and is configured to receive described power request from network, and according to the current ability controlling multiple energy source routers that device is connected with this queuing, described power request is responded.
Further, described control device of queuing up is configured to, when the power request received reaches the ability upper limit of the plurality of energy source router, be ranked by the power request received afterwards, generate power request queue.
Further, the power request in described power request queue is responded by described control device of queuing up according to FIFO principle.
Further, described energy source router includes: control unit, electric energy conversion stages and energy storage device, and wherein said control unit is configured in response to power request and sends electric energy conveying instruction to described electric energy conversion stages；And described electric energy conversion stages is configured in response to the conveying instruction of described electric energy and changes the electric energy feed status of described energy storage device.
Further, described energy source router also include energy storage device power management system, is configured in response to the conveying instruction of described electric energy, the charging and discharging state of described energy storage device is controlled.
Further, described electric energy conversion stages includes: exports DC converter, direct current combining inverter and exchanges combining inverter, and wherein, described output DC converter is configured to perform AC/DC to charge to described energy storage device；Described direct current combining inverter is configured to perform DC/DC with by grid-connected for described energy storage device direct current；And described exchange combining inverter is configured to perform DC/AC with by grid-connected for the exchange of described energy storage device.
Further, described direct current combining inverter includes the first transistor S1 being connected between direct current parallel network circuit, transistor seconds S2, the colelctor electrode of the first transistor S1 is connected with the emitter stage of transistor seconds S2, the first diode D1 it is connected between emitting stage and the colelctor electrode of the first transistor S1 and transistor seconds S2, second diode D2, first diode D1 of this concatenation, between second diode D2 and be connected to electric capacity C2, inductance L and electric capacity C1 also it is serially connected with between emitter stage and the colelctor electrode of the first transistor S1, wherein, the negative pole of the transmitting of the first transistor S1 extremely direct current parallel network circuit, the positive pole of the current collection of transistor seconds S2 extremely direct current parallel network circuit.
Further, described exchange combining inverter includes being connected to the three-phase full-bridge inverting circuit being made up of transistor 6 groups in parallel and diode exchanging between parallel network circuit.
Further, described control unit is further configured to receive described power request from Ethernet.
Pass through technique scheme, by energy router is formed array structure in logic, make each can intercom mutually between source router, when indivedual energy router failure by other energy source routers responding at process power request fault energy source router, the seriality of energy source can be kept.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, is used for explaining the present invention, but is not intended that limitation of the present invention together with detailed description below.In the accompanying drawings:
Fig. 1 is the energy network system structure schematic diagram according to embodiment of the present invention；
Fig. 2 is can source router array addressing mode schematic diagram in the energy network system according to embodiment of the present invention；
Fig. 3 is power request queue schematic diagram in the energy network system according to embodiment of the present invention；
Fig. 4 is the energy router composition structural representation according to embodiment of the present invention；
Fig. 5 is the combining inverter principle schematic of the energy source router according to embodiment of the present invention；
Fig. 6 A-Fig. 6 C is the operator scheme schematic diagram of the energy source router according to embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.It should be appreciated that detailed description of the invention described herein is merely to illustrate and explains the present invention, it is not limited to the present invention.
Fig. 1 is the energy network system structure schematic diagram according to embodiment of the present invention.Fig. 2 is can source router array addressing mode schematic diagram in the energy network system according to embodiment of the present invention.As depicted in figs. 1 and 2, the energy network system that embodiment of the present invention provides includes: the multiple energy source routers connected by network and control device of queuing up, wherein, the plurality of energy router logic forming array structure, each can have unique address by source router；And described queue up control device be configured to according to corresponding to can source router address to can source router send power request.
In embodiments, can be used for controlling the charging and discharging of energy-storage lithium battery unit by source router, and pass through AC bus or dc bus by grid-connected for the electric energy of lithium cells；Electrical energy transformer (PCS), for receiving the control signal of energy source router, undertaken being transformed into unidirectional current by coming from the electric energy that distributed energy (such as wind energy) transmits, this unidirectional current is charged to energy-storage lithium battery unit under the control of battery management system (BMS), and grid-connected or exchange grid-connected the electric energy in the electric energy of distributed energy or energy-storage lithium battery being carried out direct current according to the demand of actual microgrid bus under the control of source router, to realize the grid-connected function of distributed energy；Battery management system, controls electrical energy transformer to energy-storage lithium battery unit discharge and recharge, when energy-storage lithium battery is under-voltage or during overvoltage, stops electrical energy transformer and charges the battery or discharge；Energy-storage lithium battery unit, by battery management system control, is charged by electrical energy transformer, or is discharged by electrical energy transformer.In embodiments, energy-storage lithium battery unit can adopt the ferric phosphate lithium cell module of 48V200AH.Microgrid bus can include direct-current micro-grid bus and exchange microgrid bus.
In embodiments of the present invention, can arrange according to matrix type structure by source router, for instance, it is possible to energy source router is classified into according to the distributed energy of its correspondence the energy internal memory of matrix form.In a preferred embodiment, the row of matrix can represent different types of energy.Such as, the A row in matrix can include the photovoltaic energy A shown in Fig. 1, wind energy A and biomass energy A as shown in Figure 2.Sequence number in A row can represent concrete numbering, for instance 1 corresponding to photovoltaic energy A, 2 corresponding wind energy A etc..
Shown in accompanying drawing 1, control device of queuing up can be arranged at and between source router and network, can be configured to receive power request from network, and according to the current ability controlling multiple energy source routers that device is connected with this queuing, described power request is responded.Such as, when employing wait in line mode carry out alternating current-direct current electric energy grid-connected time, if K power request can only be held at most in system, when certain moment, one power request arrived, when K power request existing in system is processing, then this power request just can be denied access to system, and controls to rank in device queuing up, and generates power request queue.In embodiments, the power request in described power request queue can be responded by control device of queuing up according to FIFO principle.
When after power request completion queue (when namely can continue to accept power request when the function system of energy router composition) and when needing direct-current micro-grid grid-connected, by direct-current micro-grid bus can be incorporated to by direct current by source router control electric energy, then can be connected to the grid to the DC/AC conversion exchanged by direct current；When needs exchange stream micro-grid connection, by being incorporated to exchange microgrid bus by exchange by source router control electric energy, then it is connected to the grid by exchange microgrid.
Below in conjunction with Fig. 2 to can be described in detail by source router form of presentation in embodiment of the present invention.As in figure 2 it is shown, wherein matrix is that 7 row 8 arrange, the labelling of row is from A to F, and the labelling of row is from 7 to 0.Each matrix includes 56 energy source routers, and can according to actual Expansion or adjustment.Wherein it is possible to definition A0～A7 is the energy that solar energy produces；B0～B7 is the energy that wind-force produces；C0～C7 is the energy that biomass produce；F0～F7 is the network energy that alternate manner produces.Additionally, above-mentioned matrix architecture can reserve extending space, it is extended according to practical situation.
In embodiments, each corresponding IP address of energy source router.This pattern for energy storage classification, distinguishes the difference between different energy sources source, it is possible to do basis for different energy sources at the plan of distribution of electricity market.Can by sorting out and meet the need for electricity of power unit in minimum group by source router.Minimum group refers to a user, an office space, or a midget plant etc..Minimum group can have polytype electrical equipment, feeder line, battery, electromotor and multiple energy source router.In such minimum group, the lithium battery energy storage battery that the production of electric energy and consumption can be passed through in energy source router keeps an equilibrium level.By distributed energy, by the lithium battery energy storage battery mode in energy router interior, it is possible to the energy is digitized and discretization.When distributed energies various in a region are more, distributed energy in a region is sorted out and managed.
In embodiments, when energy network system detects certain energy router failure, this energy source router can be cut off so that generating fault is limited in individual internal, then the mode of the energy supplement of other energy source router can be adopted to obtain energy by source router from adjacent in matrix.
Embodiment of the present invention provide the electrical energy storage device with matrix structure can as when the electric energy with energy sources data is sent to user from micro-capacitance sensor for maintaining the equipment of the equilibrium of supply and demand.This is different from traditional load balancing, because the electrical energy storage in open electric energy net is to be shared by many distributed power sources and user simultaneously, memory capacity must determine on the basis of utilization rate of equipment and installations.
Fig. 3 is power request queue schematic diagram in the energy network system according to embodiment of the present invention.Power request can be divided into storage class and electric discharge type according to the direction of transfer of the energy.Can rank control for every kind of power request.
As an example, when user uses the energy of energy network system call, it is as follows that the input process of power request and user's power request arrive the situation controlling device of queuing up:
A) the source number of the overall number of power request or power request, it is possible to be limited can also be unlimited；
B) type that power request arrives, power request is probably one by one to the mode come, it is also possible to Group arrivals；
C) the interval distribution that power request arrives in succession can determine that type, it is also possible to is stochastic pattern.
The energy network system utilizing the matrix form framework that embodiment of the present invention provides can be designed with queueing form for power request, the queue waited in line according to power request and the order distribution energy accepting service.
Assuming can only hold at most in minimum cluster systems in energy network system K power request, when certain moment, one power request arrived, in system, existing K power request is processing, then this power request is just denied access to system.Thus have:
λ n = λ , n = 0,1,2 . . . K - 1 0 , n ≥ K Order ρ = λ μ , Have:
The probability of power request is not had in system
P 0 = 1 - ρ 1 - ρ K + 1 , ρ ≠ 1 1 K + 1 , ρ = 1
The process number of the average power request in system:
L s = ρ 1 - ρ - ( K + 1 ) ρ k + 1 1 - ρ K + 1 , ρ ≠ 1 K 2 , ρ = 1
Average power request queuing number:
L q = ρ 1 - ρ - ρ ( 1 + Kρ K ) 1 - ρ K + 1 , ρ ≠ 1 K ( K - 1 ) 2 ( K + 1 ) , ρ = 1
The probability of n power request is just had in system:
Pn=ρnP0, n=1,2 ..., K
Wherein:
λ: the average power request number arrived in the unit interval,
1/ λ: average interarrival time,
μ: the power request number that in the unit interval, average energy has been serviced,
The average service time of 1/ μ: one power request,
ρ: the service intensity of each energy source router electrical energy transformer,
Pn: when stable state, system has the probability of n power request,
Ls: refer to the average of the power request in queuing system (including accepting service and all power request at line for service),
Lq: refer to wait in line in systems the power request number of service.
In embodiments, queuing up control device can according to above parameter, for instance, average interarrival time etc. arranges the size of queuing storehouse, to hold the power request that expection receives.
Fig. 4 is the energy router composition structural representation according to embodiment of the present invention.As shown in Figure 4, energy source router provided by the invention may include that control unit, electric energy conversion stages and energy storage device.Those skilled in the art it will be seen that, the battery that the single battery illustrated in the drawings can be made up of several little rechargeable cell, for instance can be plumbic acid element battery or lithium battery (48V200Ah).Nonetheless, the voltage of the battery of the rechargeable cell composition after series connection is also smaller, it is possible to the only voltage of tens volts, for instance 36V or 48V.Direct current (DC) can be converted to exchange (AC) by electric energy conversion stages, it is also possible to convert exchange to direct current, so that energy storage device can to grid power transmission, it is also possible to the energy that storage electrical network is unnecessary.Wherein said control unit is configured in response to power request and sends electric energy conveying instruction to described electric energy conversion stages；And described electric energy conversion stages is configured in response to the conveying instruction of described electric energy and changes the electric energy feed status (or conveying direction) of described energy storage device, for instance, energy storage or electric discharge.Electric energy conversion stages can include output DC converter and two parts of combining inverter, is each responsible for performing AC/DC with to energy storage device charging and by grid-connected for the electric energy of energy storage device.
In embodiments, can also include energy storage device power management system (or cell power management system) by source router, be configured in response to the conveying instruction of described electric energy, the charging and discharging state of described energy storage device is controlled.Energy storage device accepts the instruction of the control unit of energy source router, and the state of the charging and discharging lithium battery in energy storage device is managed, and when control unit indicates needs charge the battery or discharge, cell power management system performs battery management function.Such as, when judging that battery fills with, control output DC converter and stop charging.
Control unit is the core in energy source router, and its function relates to communication, demand analysis, power flowcontrol etc..Hereinafter the particular make-up of control unit is carried out exemplary description.
In embodiments of the present invention, control unit can include power circuit, reset circuit, clock signal unit, CPU, FLASH flash memory, SDRAM, ethernet controller and power flowcontrol unit.
Power circuit part is for powering to each several part in energy source router.In embodiments of the present invention, can adopting built-in lithium battery power taking by source router, by CFD5 series DC/DC module, the DC voltage of input 48V, the DC voltage of output 12V and 5V is given and can be powered by source router.Output 5V direct current is through inductor filter, and point two-way powers to whole circuit.One tunnel directly feeds the circuit that running voltage is 5V, and integrated circuit PJ1084 of separately leading up to carries out voltage transformation, obtains the 3.3V voltage that the work of segment chip circuit is required.
Reset circuit includes two parts: cpu reset circuit part is to make CPU automatically reset when system electrification or abnormity of power supply are recovered again；Another part is that user can by making cpu reset by external reset switch when running software system in case of system halt occurs extremely.Reset signal is to be produced by foolproof RC circuit, a press button.When system electrification or artificially press reset switch, producing a low level pulse, this pulse makes cpu reset after digital gate circuit shaping, initializes.
Clock signal unit: adopt 4 crystal oscillators, provides the clock signal that each several part IC work is required 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 acp chip of energy source router, can select BF506 microcontroller in embodiments.This microcontroller can realize ethernet communication system, has low cost and high performance feature.
FLASH flash memory can use the external bus of 8/16/32, can support ROM, SRAM, flash memory, DRAM.The flash memory EN29-F040-70J that can use EON company in embodiments stores data.
In embodiments, SDRAM employ M12L16161C-512K byte of 2 ESMT companies, 16,2Banks synchronize SDRAM.This SDRAM adopts 3.3V to power, automatically autonomous refreshing, and the refresh cycle is 32 milliseconds, and interface is LVTTL level, adopts CMOS technology processing procedure, and 50TSOP encapsulates.
Ethernet controller is for realizing the communication of energy source router and Ethernet so that control unit can receive power request from Ethernet.Ethernet controller circuit connects microcontroller by system bus, by RJ45 and twisted pair line connection wide area network (WAN), this partial circuit also provides for RS-232 serial ports connecting wan, and the core of circuit can be ethernet control chip RTL8019AS and asynchronous communication control chip TG16C550CJ.Ethernet adopts IEEE802.3 agreement, defines the content including the line of physical layer, the signal of telecommunication and medium access layer protocol in this IEEE802.3 agreement.
Power flowcontrol unit is for being controlled the trend of electric energy.The power flowcontrol unit selected in embodiments can be integrated algorithm unit, and this unit passes through flow control method, and electric energy changed power part is controlled.Enable the instrument use that source router is changed as the energy comprising energy storage device.
Fig. 5 is the combining inverter principle schematic of the energy source router according to embodiment of the present invention.Combining inverter in transformation of electrical energy power stage may include that direct current combining inverter and exchanges combining inverter, and wherein, direct current combining inverter is configured to perform DC/DC with by grid-connected for described energy storage device direct current；And exchange combining inverter is configured to perform DC/AC with by grid-connected for the exchange of described energy storage device.As shown in Figure 5, direct current combining inverter can include the transistor S1 being connected between direct current parallel network circuit, transistor S2, the colelctor electrode of transistor S1 is connected with the emitter stage of transistor S2, it is connected to diode D1 between emitting stage and the colelctor electrode of transistor S1 and transistor S2, diode D2, the diode D1 of this concatenation, between diode D2 and be connected to electric capacity C2, inductance L and electric capacity C1 also it is serially connected with between emitter stage and the colelctor electrode of transistor S1, wherein, the negative pole of the transmitting of transistor S1 extremely direct current parallel network circuit, the positive pole of the current collection of transistor S2 extremely direct current parallel network circuit.Exchange combining inverter can include the three-phase full-bridge inverting circuit being made up of transistor 6 groups in parallel and diode being connected between exchange parallel network circuit.
Above-mentioned combining inverter, including 8 IGBT with body diode, as it is shown in figure 5, diode sequence number respectively D1～D8, IGBT sequence number respectively S1～S8.Wherein direct current mesh portions, by switching K1 and the break-make of the switch K2 whole circuit of control, two switches are controlled by the control unit of energy source router.Electric capacity C1 can be that electrochemical capacitor is in parallel with S1 together with after inductance L series connection, and the part after this parallel connection is connected with S2 and exports U0 to direct-current grid, can grid-connected waveform be filtered by electrochemical capacitor C2.Exchange mesh portions are formed three phase full bridge circuit by S3～S8, and the break-make being controlled K3 by the control unit of energy source router is controlled, and the alternating current after three-phase inversion exports exchange micro-capacitance sensor by Ua, Ub, Uc port.
In embodiments, energy source router is when controlling grid-connected, it is possible to first judge the electrical network type to be incorporated to.It is AC network or direct current network according to the micro-capacitance sensor being incorporated to, by the switching of topology and selection are controlled.
When the control unit of energy source router judges whether to carry out being incorporated to direct-current grid, K1, K2 Guan Bi and K3 are disconnected, set of cells is worked by direct current combining inverter, when direct current half-bridge inverter works to grid transmission, switching tube Sl is switch under setpoint frequency, S2 ends, and now circuit is boost conversion circuit；When needs control direct-current grid to lithium cell charging, switching tube S2 is switch under setpoint frequency, and Sl ends, and now circuit is step-down conversion circuit, it is achieved battery, in DC micro-electric charging off the net, realizes storage and the transmission of energy by inductance L.
When energy source router judges whether to carry out being incorporated to exchange micro-capacitance sensor, K1, K2 are disconnected and K3 Guan Bi, set of cells is undertaken exchanging grid-connected cell operation by switching tube S3～S8 three-phase full-bridge inverting circuit, adopt SVPWM modulation to convert the unidirectional current of set of cells end to power frequency AC, realize exchange by three-phase full-bridge inverting circuit grid-connected.
Above-mentioned DC converter has good compatibility with the circuit structure exchanging combining inverter, same equipment is usable in DC micro power grid system and can also be used in exchange micro-capacitance sensor, selects employing be incorporated to direct-current grid or be incorporated to exchange micro-capacitance sensor by detecting the character of micro-capacitance sensor.The topology of this compatible two kinds of grid-connect mode is the mode using device minimum, has saved cost.Further, by switching switching, the direct current input of lithium battery is shared, it is easy to logic control.
Fig. 6 A-Fig. 6 C is the operator scheme schematic diagram of the energy source router according to embodiment of the present invention, and illustrated therein is can source router flow control method.Can control to export the duty of DC converter combining inverter by source router, when needs carry out lithium battery energy storage battery charge mode, control output DC converter and control combining inverter works simultaneously or individually works, make distributed energy and microgrid bus power source to lithium cell charging, output both DC converter combining inverters can be selected individually to charge or charge simultaneously according to actual condition by source router.
When energy source router judges whether to carry out energy storage electric discharge, control combining inverter work so that combining inverter realizes lithium battery and discharges to exchange microgrid bus or direct-current micro-grid bus.
When can source router judge whether to carry out energy storage interactive mode time, control output DC converter work, control combining inverter work so that output DC converter charge the battery while output voltage through combining inverter to micro-capacitance sensor power transmission.Now, the charged state of battery is controlled by cell power management system.
In embodiments, the electric energy of distributed energy input can be unidirectional current (such as photovoltaic generation), can also being alternating current (such as wind-power electricity generation), first pass through input direct-current changer and convert, unified output 48V direct current be to lithium cell charging.
Above in association with accompanying drawing, the distance embodiment of the present invention is illustrated.Below advantages of the present invention is summarized as follows:
1) each can source router be the network node with energy-storage units, and generating fault is limited in energy source router individuality；
2) by the scheduling of energy source router, the energy-storage units of each energy router interior is interacted with electrical network and distributed energy, enabling the regenerative resource of discretization is consumed by electrical network demand；
3) adopt the mode of matrix arrangement energy source router, distributed energy is classified into the energy internal memory of matrix form, process electric energy in real time and be interrupted and fluctuation, reduce the transmission of long term distance electric power, reduce the loss of reactive power；
4) way to manage adopting group's energy demand to queue up, improves energy use efficiency, improves energy security, and fault can obtain assistance from adjacent group when occurring.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing; but; the present invention is not limited to the detail in above-mentioned embodiment; in the technology concept of the present invention; technical scheme can being carried out multiple simple variant, these simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, it is possible to be combined by any suitable mode.In order to avoid unnecessary repetition, various possible compound modes are no longer illustrated by the present invention separately.
Additionally, can also carry out combination in any between the various different embodiment of the present invention, as long as it is without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.

Claims (10)

1. an energy network system, it is characterised in that this energy network system includes:
The multiple energy source routers connected by network and control device of queuing up, wherein, the plurality of energy router logic forms array structure, and each energy source router have unique address；And described queue up control device be configured to according to corresponding to can source router address to can source router send power request.
2. energy network system according to claim 1, it is characterized in that, described queuing controls device and is configured to receive described power request from network, and according to the current ability controlling multiple energy source routers that device is connected with this queuing, described power request is responded.
3. energy network system according to claim 2, it is characterized in that, described control device of queuing up is configured to, when the power request received reaches the ability upper limit of the plurality of energy source router, be ranked by the power request received afterwards, generate power request queue.
4. energy network system according to claim 3, it is characterised in that described queuing controls device and according to FIFO principle, the power request in described power request queue responded.
5. the energy network system described in claim any one of claim 1-4, it is characterised in that described energy source router includes: control unit, electric energy conversion stages and energy storage device, wherein
Described control unit is configured in response to power request and sends electric energy conveying instruction to described electric energy conversion stages；And
Described electric energy conversion stages is configured in response to the conveying instruction of described electric energy and changes the electric energy feed status of described energy storage device.
6. energy energy network system according to claim 5, it is characterised in that described energy source router also include energy storage device power management system, is configured in response to the conveying instruction of described electric energy, the charging and discharging state of described energy storage device is controlled.
7. energy network system according to claim 5, it is characterised in that described electric energy conversion stages includes: export DC converter, direct current combining inverter and exchange combining inverter, wherein,
Described output DC converter is configured to perform AC/DC to charge to described energy storage device；
Described direct current combining inverter is configured to perform DC/DC with by grid-connected for described energy storage device direct current；And
Described exchange combining inverter is configured to perform DC/AC with by grid-connected for the exchange of described energy storage device.
null8. energy network system according to claim 7，It is characterized in that，Described direct current combining inverter includes the first transistor (S1) being connected between direct current parallel network circuit、Transistor seconds (S2)，The colelctor electrode of the first transistor (S1) is connected with the emitter stage of transistor seconds (S2)，The first diode (D1) it is connected between emitting stage and the colelctor electrode of the first transistor (S1) and transistor seconds (S2)、Second diode (D2)，First diode (D1) of this concatenation、Between second diode (D2) and be connected to electric capacity (C2)，Inductance (L) and electric capacity (C1) also it is serially connected with between emitter stage and the colelctor electrode of the first transistor (S1)，Wherein，The negative pole of the transmitting of the first transistor (S1) extremely direct current parallel network circuit，The positive pole of the current collection of transistor seconds (S2) extremely direct current parallel network circuit.
9. energy network system according to claim 7, it is characterised in that described exchange combining inverter includes the three-phase full-bridge inverting circuit being made up of transistor 6 groups in parallel and diode being connected between exchange parallel network circuit.
10. energy network system according to claim 5, it is characterised in that described control unit is further configured to receive described power request from Ethernet.
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CN107516912A (en) * 2016-06-15 2017-12-26 中兴电工机械股份有限公司 Mobile micro-grid system and control method
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, interactive device, method, electricity system and storage medium
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