CN117411057A - Energy control method, energy control device, nonvolatile storage medium and computer equipment - Google Patents
Energy control method, energy control device, nonvolatile storage medium and computer equipment Download PDFInfo
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- CN117411057A CN117411057A CN202311412744.XA CN202311412744A CN117411057A CN 117411057 A CN117411057 A CN 117411057A CN 202311412744 A CN202311412744 A CN 202311412744A CN 117411057 A CN117411057 A CN 117411057A
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- 238000000034 method Methods 0.000 title claims abstract description 64
- 238000007599 discharging Methods 0.000 claims abstract description 186
- 238000004146 energy storage Methods 0.000 claims description 80
- 230000005611 electricity Effects 0.000 claims description 56
- 238000004590 computer program Methods 0.000 claims 3
- 230000008569 process Effects 0.000 abstract description 10
- 238000012545 processing Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
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- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
- H02J3/322—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means the battery being on-board an electric or hybrid vehicle, e.g. vehicle to grid arrangements [V2G], power aggregation, use of the battery for network load balancing, coordinated or cooperative battery charging
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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
- B60L55/00—Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
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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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/40—The network being an on-board power network, i.e. within a vehicle
- H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
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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
Abstract
The invention discloses an energy control method, an energy control device, a nonvolatile storage medium and computer equipment. Wherein the method comprises the following steps: acquiring respective discharge power limit values of a plurality of electric vehicles, respective charging power limit values of the plurality of electric vehicles, respective residual electric quantity and target time of the plurality of electric vehicles, and a preset respective idle electric quantity threshold value of the plurality of electric vehicles; determining electric vehicles needing to be charged in the plurality of electric vehicles and electric vehicles capable of discharging in the plurality of electric vehicles according to respective residual electric quantity of the plurality of electric vehicles and respective idle electric quantity threshold values of the plurality of electric vehicles; and under the condition that the target moment meets the preset condition, controlling the electric automobile capable of discharging to input the electric quantity into the direct current bus. The invention solves the technical problem that the electric automobile which is idle and has certain electric quantity in the prior art does not participate in the energy control in the charging process.
Description
Technical Field
The invention relates to the field of power grid energy control, in particular to an energy control method, an energy control device, a nonvolatile storage medium and computer equipment.
Background
The development of new energy, energy storage, charging stake are widely built, and energy storage is as energy storage device, and charging stake is as the most scattered distribution in each corner of power consumption device, and the electricity of energy storage needs to be transmitted to the charging stake through the electric wire netting, and energy utilization is low and need occupy more land and electric wire netting equipment resource. Therefore, the storage and charging products are born with the birth, the aim is to completely eliminate the energy loss between the energy storage and the charging pile, and meanwhile, the low-cost electricity charged when the energy storage stores the electricity price valley value is utilized for the charging pile to charge the electric automobile, so that the novel profit mode of energy storage application is realized. However, the existing energy control method does not find out an increasing method for enabling batteries in electric vehicles to participate in peak clipping and valley filling in a power grid.
In view of the above problems, no effective solution has been proposed at present.
Disclosure of Invention
The embodiment of the invention provides an energy control method, an energy control device, a nonvolatile storage medium and computer equipment, which at least solve the technical problem that an electric automobile which is idle and has certain electric quantity in the prior art does not participate in energy control in a charging process.
According to an aspect of an embodiment of the present invention, there is provided an energy control method including: acquiring respective discharge power limit values of a plurality of electric vehicles, respective charging power limit values of the plurality of electric vehicles, respective residual electric quantity and target time of the plurality of electric vehicles, and a preset respective idle electric quantity threshold value of the plurality of electric vehicles; determining electric vehicles needing to be charged in the plurality of electric vehicles and electric vehicles capable of discharging in the plurality of electric vehicles according to respective residual electric quantity of the plurality of electric vehicles and respective idle electric quantity threshold values of the plurality of electric vehicles; and under the condition that the target moment meets the preset condition, controlling the electric automobile capable of discharging to input electric quantity into the direct current bus, wherein the electric automobile needing to be charged takes electricity from the direct current bus to be charged, and the direct current bus is connected with a power grid through the converter.
Optionally, in a case that the target time satisfies a predetermined condition, controlling the electric vehicle capable of discharging to input electric quantity into the dc bus includes: determining the charging power of an electric vehicle needing to be charged and the discharging power of the electric vehicle capable of discharging; acquiring the discharge power of an energy storage battery; determining the sum of the discharge power of the energy storage battery and the discharge power of the electric vehicle capable of discharging as the total discharge power; judging the magnitude relation between the charging power and the total discharging power of the electric automobile needing to be charged; and according to the size relation, controlling the energy storage battery and the electric automobile capable of discharging to input electric quantity into the direct current bus.
Optionally, according to the size relation, controlling the energy storage battery and the electric automobile capable of discharging to input electric quantity into the direct current bus, including: under the condition that the charging power of the electric vehicle to be charged is larger than the total discharging power, controlling the energy storage battery and the electric vehicle capable of discharging to input electric quantity into the direct current bus; and controlling the converter to take electricity from the power grid and input the electricity into the direct current bus, so that the power input into the direct current bus meets the charging power of the electric automobile needing to be charged.
Optionally, according to the size relation, the electric power is input into the direct current bus by the energy storage battery and the electric automobile capable of discharging, and the method further comprises: determining a power difference value between the total discharge power and the charging power of the electric vehicle to be charged under the condition that the charging power of the electric vehicle to be charged is smaller than the total discharge power; acquiring a charging and discharging power limit value of the converter; judging whether the power difference is smaller than the charging and discharging power limit value of the converter; under the condition that the difference value is smaller than the limit value of the charging and discharging power of the converter, the energy storage battery is controlled to input electric quantity into the direct current bus by the discharging power of the energy storage battery, the electric automobile capable of discharging is controlled to input electric quantity into the direct current bus by the discharging power of the electric automobile capable of discharging, and the converter is controlled to take electricity from the direct current bus by the power difference value and input the electricity into a power grid.
Optionally, the method further comprises: under the condition that the difference value is larger than the limit value of the charging and discharging power of the converter, the energy storage battery is controlled to input electric quantity into the direct current bus by the discharging power of the energy storage battery; controlling the electric automobile capable of discharging to input electric quantity into the direct current bus by using the adjusted discharging power, wherein the sum of the adjusted discharging power and the discharging power of the energy storage battery is equal to the charging and discharging power limit value of the converter; and controlling the converter to take electricity from the direct current bus by using the charging and discharging power limit value of the converter and input the electricity into a power grid.
Optionally, determining an electric vehicle that needs to be charged in the plurality of electric vehicles and an electric vehicle that can be discharged in the plurality of electric vehicles according to a remaining power of each of the plurality of electric vehicles and an idle power threshold of each of the plurality of electric vehicles, including: judging the magnitude relation between the respective residual electric quantity of the plurality of electric vehicles and the corresponding idle electric quantity threshold value respectively; and determining the electric vehicles needing to be charged in the plurality of electric vehicles and the electric vehicles capable of discharging in the plurality of electric vehicles according to the magnitude relation between the respective residual electric quantity of the plurality of electric vehicles and the corresponding idle electric quantity threshold value.
Optionally, the method further comprises: and under the condition that the target moment does not meet the preset condition, controlling the plurality of electric vehicles to take electricity from the power grid through the direct current bus for charging, wherein the direct current bus is connected with the power grid through the converter.
According to another aspect of the embodiment of the present invention, there is also provided an energy control apparatus including: the system comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring respective discharge power limit values of a plurality of electric vehicles, respective charging power limit values of a plurality of electric vehicles, respective residual electric quantity and target time of the plurality of electric vehicles and a preset respective idle electric quantity threshold value of the plurality of electric vehicles; the determining module is used for determining electric vehicles needing to be charged in the plurality of electric vehicles and electric vehicles capable of discharging in the plurality of electric vehicles according to the respective residual electric quantity of the plurality of electric vehicles and the respective idle electric quantity threshold value of the plurality of electric vehicles; and the control module is used for controlling the electric automobile capable of discharging to input electric quantity into the direct current bus under the condition that the target moment meets the preset condition, wherein the electric automobile needing to be charged takes electricity from the direct current bus to be charged, and the direct current bus is connected with the power grid through the converter.
According to still another aspect of the embodiments of the present invention, there is also provided a nonvolatile storage medium including a stored program, wherein the device in which the nonvolatile storage medium is controlled to execute any one of the energy control methods described above when the program runs.
According to still another aspect of the embodiments of the present invention, there is further provided a computer device, including a processor for executing a program, where the program executes any one of the energy control methods described above.
In the embodiment of the invention, the respective discharge power limit value, the respective charging power limit value, the respective residual electric quantity and target time of the plurality of electric vehicles and the preset respective idle electric quantity threshold value of the plurality of electric vehicles are obtained; determining electric vehicles needing to be charged in the plurality of electric vehicles and electric vehicles capable of discharging in the plurality of electric vehicles according to respective residual electric quantity of the plurality of electric vehicles and respective idle electric quantity threshold values of the plurality of electric vehicles; under the condition that the target moment meets the preset condition, the electric automobile capable of discharging is controlled to input electric quantity into the direct current bus, wherein the electric automobile needing to be charged is charged by taking electricity from the direct current bus, the direct current bus is connected with the power grid through the converter, the purpose that the electric automobile which is idle and has certain electric quantity participates in energy control in the charging process is achieved, when the electric automobile capable of discharging is used for taking electricity from the direct current bus by taking electric quantity into the direct current bus and the electric automobile needing to be charged, the electric energy transmission path is short, the electric energy loss is low, the technical effect of improving the energy utilization efficiency is achieved, and the technical problem that the electric automobile which is idle and has certain electric quantity does not participate in energy control in the charging process in the prior art is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 shows a block diagram of the hardware architecture of a computer terminal for implementing an energy control method;
FIG. 2 is a flow chart of an energy control method provided according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a real-time framework for an energy control method provided in accordance with an alternative embodiment of the present invention;
fig. 4 is a schematic view of an energy control device provided according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In accordance with an embodiment of the present invention, there is provided a method embodiment of energy control, it being noted that the steps shown in the flowchart of the figures may be performed in a computer system, such as a set of computer executable instructions, and, although a logical order is shown in the flowchart, in some cases, the steps shown or described may be performed in an order other than that shown or described herein.
The method embodiment provided in the first embodiment of the present application may be executed in a mobile terminal, a computer terminal or a similar computing device. Fig. 1 shows a block diagram of a hardware structure of a computer terminal for implementing an energy control method. As shown in fig. 1, the computer terminal 10 may include one or more (shown as 102a, 102b, … …,102 n) processors (which may include, but are not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA) and a memory 104 for storing data. In addition, the method may further include: a display, an input/output interface (I/O interface), a Universal Serial BUS (USB) port (which may be included as one of the ports of the BUS), a network interface, a power supply, and/or a camera. It will be appreciated by those of ordinary skill in the art that the configuration shown in fig. 1 is merely illustrative and is not intended to limit the configuration of the electronic device described above. For example, the computer terminal 10 may also include more or fewer components than shown in FIG. 1, or have a different configuration than shown in FIG. 1.
It should be noted that the one or more processors and/or other data processing circuits described above may be referred to herein generally as "data processing circuits. The data processing circuit may be embodied in whole or in part in software, hardware, firmware, or any other combination. Furthermore, the data processing circuitry may be a single stand-alone processing module or incorporated, in whole or in part, into any of the other elements in the computer terminal 10. As referred to in the embodiments of the present application, the data processing circuit acts as a processor control (e.g., selection of the path of the variable resistor termination to interface).
The memory 104 may be used to store software programs and modules of application software, such as program instructions/data storage devices corresponding to the energy control method in the embodiments of the present invention, and the processor executes the software programs and modules stored in the memory 104, thereby executing various functional applications and data processing, that is, implementing the energy control method of the application program. Memory 104 may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 104 may further include memory located remotely from the processor, which may be connected to the computer terminal 10 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The display may be, for example, a touch screen type Liquid Crystal Display (LCD) that may enable a user to interact with a user interface of the computer terminal 10.
Fig. 2 is a schematic flow chart of an energy control method according to an embodiment of the present invention, as shown in fig. 2, the method includes the following steps:
Step S202, obtaining a discharge power limit value of each of the plurality of electric vehicles, a charge power limit value of each of the plurality of electric vehicles, a remaining power and a target time of each of the plurality of electric vehicles, and a preset idle power threshold value of each of the plurality of electric vehicles.
In this step, the discharge power limit value of each of the plurality of electric vehicles may be the maximum discharge power of each of the plurality of electric vehicles, the Charge power limit value of each of the plurality of electric vehicles may be the maximum Charge power of each of the plurality of electric vehicles, the remaining power of each of the plurality of electric vehicles may be an SOC (State of Charge) value of each of the plurality of electric vehicles, the preset idle power threshold value of each of the plurality of electric vehicles may be an SOC threshold value preset by a vehicle owner, and when the SOC of the electric vehicle exceeds the SOC threshold value, the part exceeding the SOC threshold value may be regarded as the idle power, and the part exceeding the SOC threshold value may participate in the energy control. The respective remaining power of the plurality of electric vehicles may be respective remaining power of the plurality of electric vehicles at the target time.
Step S204, determining the electric vehicles needing to be charged in the electric vehicles and the electric vehicles capable of discharging in the electric vehicles according to the residual electric quantity of each electric vehicle and the idle electric quantity threshold value of each electric vehicle.
In this step, according to whether the respective remaining power of the plurality of electric vehicles reaches the respective idle power threshold of the plurality of electric vehicles at the current moment, the electric vehicles of the plurality of electric vehicles that need to be charged and the electric vehicles of the plurality of electric vehicles that can be discharged may be determined. If the residual electric quantity of some electric vehicles at the current moment exceeds the respective idle electric quantity threshold value, the electric vehicles can be considered as electric vehicles capable of discharging; if the residual electric quantity of some electric vehicles at the current moment is smaller than the respective idle electric quantity threshold value, the electric vehicles can be considered to be electric vehicles needing to be charged; if the residual electric quantity of some electric vehicles at the current moment is equal to the respective idle electric quantity threshold value, the electric vehicles can be set as electric vehicles needing to be charged, and the power and the electric quantity needing to be charged are set as 0.
In step S206, when the target time satisfies the predetermined condition, the electric vehicle capable of discharging is controlled to input the electric quantity into the dc bus, wherein the electric vehicle to be charged takes the electric quantity from the dc bus to charge, and the dc bus is connected to the power grid through the converter.
In this step, if the target time satisfies a predetermined condition, for example, the target time is a power consumption peak period, or the target time is not a power consumption valley period, the electric vehicle capable of discharging may be controlled to input electric quantity into the dc bus, where the electric vehicle needing to be charged takes electric quantity from the dc bus to charge, and the dc bus is connected to the power grid through the converter.
Through the steps, the purpose that the idle electric automobile with certain electric quantity participates in energy control in the charging process can be achieved, when the electric automobile capable of discharging inputs the electric quantity into the direct current bus and the electric automobile needing to be charged takes electricity from the direct current bus, the electric energy transmission path is short, the electric energy loss is low, the technical effect of improving the energy utilization efficiency is achieved, and the technical problem that the electric automobile which is idle and has certain electric quantity does not participate in energy control in the charging process in the prior art is solved.
As an alternative embodiment, in a case where a target time satisfies a predetermined condition, controlling the electric vehicle capable of discharging to input an electric quantity into the dc bus includes: determining the charging power of an electric vehicle needing to be charged and the discharging power of the electric vehicle capable of discharging; acquiring the discharge power of an energy storage battery; determining the sum of the discharge power of the energy storage battery and the discharge power of the electric vehicle capable of discharging as the total discharge power; judging the magnitude relation between the charging power and the total discharging power of the electric automobile needing to be charged; and according to the size relation, controlling the energy storage battery and the electric automobile capable of discharging to input electric quantity into the direct current bus.
Alternatively, the predetermined condition may be that the target time is not within the electricity price valley period. The total power required to be charged by the electric automobile and the total power capable of being discharged by the electric automobile can be respectively determined, and then the discharge power of the energy storage battery can be obtained. The sum of the discharging power of the energy storage battery and the total power which can be discharged by the electric automobile is the total discharging power, the magnitude relation between the total power which the electric automobile needs to charge and the total discharging power can be compared, and then the energy storage battery and the electric automobile which can be discharged are controlled to input electric quantity into the direct current bus with different powers according to the magnitude relation.
As an alternative embodiment, according to the size relation, the method for controlling the energy storage battery and the electric automobile capable of discharging to input electric quantity into the direct current bus comprises the following steps: under the condition that the charging power of the electric vehicle to be charged is larger than the total discharging power, controlling the energy storage battery and the electric vehicle capable of discharging to input electric quantity into the direct current bus; and controlling the converter to take electricity from the power grid and input the electricity into the direct current bus, so that the power input into the direct current bus meets the charging power of the electric automobile needing to be charged.
Optionally, if the total power required to be charged of the electric vehicle is greater than the total discharge power, it is indicated that the energy storage battery and the electric vehicle capable of discharging cannot be used for the electric vehicle required to be charged, and electricity is required to be taken from the power grid, at this time, the energy storage battery and the electric vehicle capable of discharging can be controlled to discharge at the maximum discharge power, and electricity is taken from the power grid, so that the power input into the direct current bus meets the charging power of the electric vehicle required to be charged.
As an alternative embodiment, according to the size relation, the control energy storage battery and the electric automobile capable of discharging input electric quantity into the direct current bus, further comprising: determining a power difference value between the total discharge power and the charging power of the electric vehicle to be charged under the condition that the charging power of the electric vehicle to be charged is smaller than the total discharge power; acquiring a charging and discharging power limit value of the converter; judging whether the power difference is smaller than the charging and discharging power limit value of the converter; under the condition that the difference value is smaller than the limit value of the charging and discharging power of the converter, the energy storage battery is controlled to input electric quantity into the direct current bus by the discharging power of the energy storage battery, the electric automobile capable of discharging is controlled to input electric quantity into the direct current bus by the discharging power of the electric automobile capable of discharging, and the converter is controlled to take electricity from the direct current bus by the power difference value and input the electricity into a power grid.
Optionally, if the total power required to be charged by the electric vehicle is less than the total discharge power, it is indicated that the energy storage battery and the electric vehicle capable of discharging can be used for the electric vehicle required to be charged without taking electricity from the power grid. At this time, a power difference between the total discharge power and the charging power of the electric vehicle to be charged can be determined, and then whether the power difference is smaller than the charging and discharging power limit value of the converter is judged. If the power difference is smaller than the limit value of the charging and discharging power of the converter, the converter can bear the maximum discharging power, the energy storage battery can be controlled to input electric quantity into the direct current bus with the maximum discharging power, and the electric automobile capable of discharging is controlled to input electric quantity into the direct current bus with the maximum discharging power. On the basis, redundant electric quantity can be input into the power grid.
As an alternative embodiment, further comprising: under the condition that the difference value is larger than the limit value of the charging and discharging power of the converter, the energy storage battery is controlled to input electric quantity into the direct current bus by the discharging power of the energy storage battery; controlling the electric automobile capable of discharging to input electric quantity into the direct current bus by using the adjusted discharging power, wherein the sum of the adjusted discharging power and the discharging power of the energy storage battery is equal to the charging and discharging power limit value of the converter; and controlling the converter to take electricity from the direct current bus by using the charging and discharging power limit value of the converter and input the electricity into a power grid.
Optionally, if the power difference is greater than the limit value of the charging and discharging power of the converter, it is indicated that the converter cannot bear the maximum discharging power, so that the discharging amount of the energy storage battery can be ensured first, the energy storage battery is controlled to input the electric quantity into the direct current bus with the maximum discharging power, then the discharging power of the electric automobile capable of discharging is reduced, and the electric automobile capable of discharging is controlled to input the electric quantity into the direct current bus with the adjusted discharging power. And the sum of the adjusted discharge power and the discharge power of the energy storage battery is equal to the limit value of the charge and discharge power of the converter. On the basis, redundant electric quantity can be input into the power grid.
As an optional embodiment, determining an electric vehicle that needs to be charged in the plurality of electric vehicles and an electric vehicle that can be discharged in the plurality of electric vehicles according to respective remaining power amounts of the plurality of electric vehicles and respective idle power amount thresholds of the plurality of electric vehicles, includes: judging the magnitude relation between the respective residual electric quantity of the plurality of electric vehicles and the corresponding idle electric quantity threshold value respectively; and determining the electric vehicles needing to be charged in the plurality of electric vehicles and the electric vehicles capable of discharging in the plurality of electric vehicles according to the magnitude relation between the respective residual electric quantity of the plurality of electric vehicles and the corresponding idle electric quantity threshold value.
Optionally, according to whether the respective remaining electric quantity of the plurality of electric vehicles reaches the respective idle electric quantity threshold value of the plurality of electric vehicles at the current moment, an electric vehicle needing to be charged in the plurality of electric vehicles and an electric vehicle capable of discharging in the plurality of electric vehicles may be determined. If the residual electric quantity of some electric vehicles at the current moment exceeds the respective idle electric quantity threshold value, the electric vehicles can be considered as electric vehicles capable of discharging; if the residual electric quantity of some electric vehicles at the current moment is smaller than the respective idle electric quantity threshold value, the electric vehicles can be considered to be electric vehicles needing to be charged; if the residual electric quantity of some electric vehicles at the current moment is equal to the respective idle electric quantity threshold value, the electric vehicles can be set as electric vehicles needing to be charged, and the power and the electric quantity needing to be charged are set as 0.
As an alternative embodiment, further comprising: and under the condition that the target moment does not meet the preset condition, controlling the plurality of electric vehicles to take electricity from the power grid through the direct current bus for charging, wherein the direct current bus is connected with the power grid through the converter.
Alternatively, if the target time does not meet the predetermined condition, all electric vehicles may be controlled to draw electricity from the power grid.
As a specific embodiment, fig. 3 is a schematic diagram of a real-time framework of an energy control method provided according to an alternative embodiment of the present invention; step one: the charging pile and the electric automobile acquire a battery SOC, a maximum charging power Pcharge max and a maximum discharging power Pdischarge max through CAN communication, and transmit data to the controller; the user sets the electric automobile peak Gu Tao benefit boundary SOC limit (the peak valley arbitrage can be participated only when the SOC limit is exceeded); the controller obtains the maximum chargeable power PHEADER Max and the maximum dischargeable power PHEADER Max of the energy storage battery; inputting the maximum charge and discharge power P of the energy storage converter to the controller to change max; acquiring the current time t;
step two: if the current electricity price is in the valley period, charging the energy storage battery, adding all charging piles into a charging sequence, and charging with required power P=p1+. Pn; further, if the P storage max+p > P becomes max, the controller controls the energy storage converter to charge at the maximum power P becomes max, otherwise, the controller controls the energy storage converter to charge at (P storage max+p); otherwise, entering the next step;
Step three: if the current electricity price is not the electricity price valley period, discharging the energy storage battery, traversing all charging piles (1-n), and if the i-th charging pile is not more than the SOC limit, charging the electric automobile; further, if the i-th charging pile has soc=soc limit, the controller sets the charging power of the charging pile to 0, otherwise, if SOC < SOC limit, the i-th charging pile is charged with the maximum charging power p-charge max in the charging sequence; otherwise, entering the next step;
step four: if the ith charging pile, the SOC is more than the SOC limit; at the moment, the electric automobile discharges to participate in peak valley arbitrage, and the ith charging pile is brought into a discharging sequence to discharge at the maximum discharging power p discharging max;
step five: if all the charging piles (1-n) are not traversed, returning to S3, traversing the next charging pile, otherwise, if all the charging piles (1-n) are traversed, calculating a charging power sum Pcharging sum discharging power sum Pdischarging sum, and entering the next step.
Step six: if Ptotal+Pstorage max < Ptotal, the controller controls the charging power of the PCS to be (Ptotal- (Ptotal+Pstorage max)), so as to ensure that the charging requirement of the user vehicle can be met, and the electric energy of the discharging vehicle is fully provided for the charging vehicle at the moment, thereby reducing the requirement of the charging vehicle on the electric quantity and the power of the electric network, and the discharging vehicle participates in Peak valley arbitrage; otherwise, entering the next step;
Step seven: if (Ptotal+Ptotal storage Max-Ptotal charge) < Ptotal variation, the controller controls the discharging power of the PCS to be (Ptotal+Ptotal storage Max-Ptotal charge), otherwise, the controller controls the discharging power of the PCS to be Ptotal variation, the controller controls all charging piles to reduce the power, pi=Ptotal discharge Max (Ptotal storage max+Ptotal charge-Ptotal storage Max)/Ptotal discharge, the priority discharge of the energy storage battery is ensured, and the utilization efficiency of the battery power entering the power grid is higher; at the moment, the excessive electric quantity of the storage and charging system can be poured into a power grid to further participate in peak valley arbitrage, so that economic benefits are generated.
As the preferable scheme of the invention, the controller is in CAN communication with the direct current charging pile and the energy storage converter, and the controller is in communication with the BMS through Modbus TCP/485.
It should be noted that, for simplicity of description, the foregoing method embodiments are all described as a series of acts, but it should be understood by those skilled in the art that the present invention is not limited by the order of acts described, as some steps may be performed in other orders or concurrently in accordance with the present invention. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required for the present invention.
From the above description of the embodiments, it will be clear to a person skilled in the art that the energy control method according to the above embodiments may be implemented by means of software plus a necessary general hardware platform, but of course also by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method according to the embodiments of the present invention.
According to an embodiment of the present invention, there is also provided an energy control apparatus for implementing the above-mentioned energy control method, and fig. 4 is a block diagram of the structure of the energy control apparatus provided according to the embodiment of the present invention, as shown in fig. 4, the energy control apparatus includes: the energy control device is described below as an acquisition module 52, a determination module 54, and a control module 56.
The obtaining module 52 is configured to obtain a discharge power limit value of each of the plurality of electric vehicles, a charge power limit value of each of the plurality of electric vehicles, a remaining power and a target time of each of the plurality of electric vehicles, and a preset idle power threshold value of each of the plurality of electric vehicles.
The determining module 54 is connected to the obtaining module 52, and is configured to determine an electric vehicle that needs to be charged in the plurality of electric vehicles and an electric vehicle that can be discharged in the plurality of electric vehicles according to respective remaining power of the plurality of electric vehicles and respective idle power thresholds of the plurality of electric vehicles.
The control module 56 is connected to the determining module 54, and is configured to control the electric vehicle capable of discharging to input electric quantity into the dc bus when the target moment satisfies the predetermined condition, where the electric vehicle to be charged takes electric quantity from the dc bus to charge, and the dc bus is connected to the power grid through the converter.
Here, it should be noted that the above-mentioned obtaining module 52, determining module 54 and control module 56 correspond to step S202 to step S206 in the embodiment, and a plurality of modules are the same as the examples and application scenarios implemented by the corresponding steps, but are not limited to those disclosed in the above-mentioned embodiment. It should be noted that the above-described module may be operated as a part of the apparatus in the computer terminal 10 provided in the embodiment.
Embodiments of the present invention may provide a computer device, optionally in this embodiment, the computer device may be located in at least one network device of a plurality of network devices of a computer network. The computer device includes a memory and a processor.
The memory may be used to store software programs and modules, such as program instructions/modules corresponding to the energy control method and apparatus in the embodiments of the present invention, and the processor executes the software programs and modules stored in the memory, thereby executing various functional applications and data processing, that is, implementing the energy control method described above. The memory may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory may further include memory remotely located relative to the processor, which may be connected to the computer terminal via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The processor may call the information and the application program stored in the memory through the transmission device to perform the following steps: acquiring respective discharge power limit values of a plurality of electric vehicles, respective charging power limit values of the plurality of electric vehicles, respective residual electric quantity and target time of the plurality of electric vehicles, and a preset respective idle electric quantity threshold value of the plurality of electric vehicles; determining electric vehicles needing to be charged in the plurality of electric vehicles and electric vehicles capable of discharging in the plurality of electric vehicles according to respective residual electric quantity of the plurality of electric vehicles and respective idle electric quantity threshold values of the plurality of electric vehicles; and under the condition that the target moment meets the preset condition, controlling the electric automobile capable of discharging to input electric quantity into the direct current bus, wherein the electric automobile needing to be charged takes electricity from the direct current bus to be charged, and the direct current bus is connected with a power grid through the converter.
Optionally, in a case that the target time satisfies a predetermined condition, controlling the electric vehicle capable of discharging to input electric quantity into the dc bus includes: determining the charging power of an electric vehicle needing to be charged and the discharging power of the electric vehicle capable of discharging; acquiring the discharge power of an energy storage battery; determining the sum of the discharge power of the energy storage battery and the discharge power of the electric vehicle capable of discharging as the total discharge power; judging the magnitude relation between the charging power and the total discharging power of the electric automobile needing to be charged; and according to the size relation, controlling the energy storage battery and the electric automobile capable of discharging to input electric quantity into the direct current bus.
Optionally, according to the size relation, controlling the energy storage battery and the electric automobile capable of discharging to input electric quantity into the direct current bus, including: under the condition that the charging power of the electric vehicle to be charged is larger than the total discharging power, controlling the energy storage battery and the electric vehicle capable of discharging to input electric quantity into the direct current bus; and controlling the converter to take electricity from the power grid and input the electricity into the direct current bus, so that the power input into the direct current bus meets the charging power of the electric automobile needing to be charged.
Optionally, according to the size relation, the electric power is input into the direct current bus by the energy storage battery and the electric automobile capable of discharging, and the method further comprises: determining a power difference value between the total discharge power and the charging power of the electric vehicle to be charged under the condition that the charging power of the electric vehicle to be charged is smaller than the total discharge power; acquiring a charging and discharging power limit value of the converter; judging whether the power difference is smaller than the charging and discharging power limit value of the converter; under the condition that the difference value is smaller than the limit value of the charging and discharging power of the converter, the energy storage battery is controlled to input electric quantity into the direct current bus by the discharging power of the energy storage battery, the electric automobile capable of discharging is controlled to input electric quantity into the direct current bus by the discharging power of the electric automobile capable of discharging, and the converter is controlled to take electricity from the direct current bus by the power difference value and input the electricity into a power grid.
Optionally, the method further comprises: under the condition that the difference value is larger than the limit value of the charging and discharging power of the converter, the energy storage battery is controlled to input electric quantity into the direct current bus by the discharging power of the energy storage battery; controlling the electric automobile capable of discharging to input electric quantity into the direct current bus by using the adjusted discharging power, wherein the sum of the adjusted discharging power and the discharging power of the energy storage battery is equal to the charging and discharging power limit value of the converter; and controlling the converter to take electricity from the direct current bus by using the charging and discharging power limit value of the converter and input the electricity into a power grid.
Optionally, determining an electric vehicle that needs to be charged in the plurality of electric vehicles and an electric vehicle that can be discharged in the plurality of electric vehicles according to a remaining power of each of the plurality of electric vehicles and an idle power threshold of each of the plurality of electric vehicles, including: judging the magnitude relation between the respective residual electric quantity of the plurality of electric vehicles and the corresponding idle electric quantity threshold value respectively; and determining the electric vehicles needing to be charged in the plurality of electric vehicles and the electric vehicles capable of discharging in the plurality of electric vehicles according to the magnitude relation between the respective residual electric quantity of the plurality of electric vehicles and the corresponding idle electric quantity threshold value.
Optionally, the method further comprises: and under the condition that the target moment does not meet the preset condition, controlling the plurality of electric vehicles to take electricity from the power grid through the direct current bus for charging, wherein the direct current bus is connected with the power grid through the converter.
By adopting the embodiment of the invention, an energy control scheme is provided. The method comprises the steps of obtaining a discharge power limit value of each of a plurality of electric vehicles, a charging power limit value of each of the plurality of electric vehicles, residual electric quantity and target time of each of the plurality of electric vehicles, and a preset idle electric quantity threshold value of each of the plurality of electric vehicles; determining electric vehicles needing to be charged in the plurality of electric vehicles and electric vehicles capable of discharging in the plurality of electric vehicles according to respective residual electric quantity of the plurality of electric vehicles and respective idle electric quantity threshold values of the plurality of electric vehicles; under the condition that the target moment meets the preset condition, the electric automobile capable of discharging is controlled to input electric quantity into the direct current bus, wherein the electric automobile needing to be charged is charged by taking electricity from the direct current bus, the direct current bus is connected with the power grid through the converter, the purpose that the electric automobile which is idle and has certain electric quantity participates in energy control in the charging process is achieved, when the electric automobile capable of discharging is used for taking electricity from the direct current bus by taking electric quantity into the direct current bus and the electric automobile needing to be charged, the electric energy transmission path is short, the electric energy loss is low, the technical effect of improving the energy utilization efficiency is achieved, and the technical problem that the electric automobile which is idle and has certain electric quantity does not participate in energy control in the charging process in the prior art is solved.
Those skilled in the art will appreciate that all or part of the steps in the various methods of the above embodiments may be implemented by a program for instructing a terminal device to execute on associated hardware, the program may be stored in a non-volatile storage medium, and the storage medium may include: flash disk, read-Only Memory (ROM), random-access Memory (Random Access Memory, RAM), magnetic or optical disk, and the like.
Embodiments of the present invention also provide a nonvolatile storage medium. Alternatively, in the present embodiment, the above-described nonvolatile storage medium may be used to store the program code executed by the energy control method provided in the above-described embodiment.
Alternatively, in this embodiment, the above-mentioned nonvolatile storage medium may be located in any one of the computer terminals in the computer terminal group in the computer network, or in any one of the mobile terminals in the mobile terminal group.
Optionally, in the present embodiment, the non-volatile storage medium is arranged to store program code for performing the steps of: acquiring respective discharge power limit values of a plurality of electric vehicles, respective charging power limit values of the plurality of electric vehicles, respective residual electric quantity and target time of the plurality of electric vehicles, and a preset respective idle electric quantity threshold value of the plurality of electric vehicles; determining electric vehicles needing to be charged in the plurality of electric vehicles and electric vehicles capable of discharging in the plurality of electric vehicles according to respective residual electric quantity of the plurality of electric vehicles and respective idle electric quantity threshold values of the plurality of electric vehicles; and under the condition that the target moment meets the preset condition, controlling the electric automobile capable of discharging to input electric quantity into the direct current bus, wherein the electric automobile needing to be charged takes electricity from the direct current bus to be charged, and the direct current bus is connected with a power grid through the converter.
Optionally, in a case that the target time satisfies a predetermined condition, controlling the electric vehicle capable of discharging to input electric quantity into the dc bus includes: determining the charging power of an electric vehicle needing to be charged and the discharging power of the electric vehicle capable of discharging; acquiring the discharge power of an energy storage battery; determining the sum of the discharge power of the energy storage battery and the discharge power of the electric vehicle capable of discharging as the total discharge power; judging the magnitude relation between the charging power and the total discharging power of the electric automobile needing to be charged; and according to the size relation, controlling the energy storage battery and the electric automobile capable of discharging to input electric quantity into the direct current bus.
Optionally, according to the size relation, controlling the energy storage battery and the electric automobile capable of discharging to input electric quantity into the direct current bus, including: under the condition that the charging power of the electric vehicle to be charged is larger than the total discharging power, controlling the energy storage battery and the electric vehicle capable of discharging to input electric quantity into the direct current bus; and controlling the converter to take electricity from the power grid and input the electricity into the direct current bus, so that the power input into the direct current bus meets the charging power of the electric automobile needing to be charged.
Optionally, according to the size relation, the electric power is input into the direct current bus by the energy storage battery and the electric automobile capable of discharging, and the method further comprises: determining a power difference value between the total discharge power and the charging power of the electric vehicle to be charged under the condition that the charging power of the electric vehicle to be charged is smaller than the total discharge power; acquiring a charging and discharging power limit value of the converter; judging whether the power difference is smaller than the charging and discharging power limit value of the converter; under the condition that the difference value is smaller than the limit value of the charging and discharging power of the converter, the energy storage battery is controlled to input electric quantity into the direct current bus by the discharging power of the energy storage battery, the electric automobile capable of discharging is controlled to input electric quantity into the direct current bus by the discharging power of the electric automobile capable of discharging, and the converter is controlled to take electricity from the direct current bus by the power difference value and input the electricity into a power grid.
Optionally, the method further comprises: under the condition that the difference value is larger than the limit value of the charging and discharging power of the converter, the energy storage battery is controlled to input electric quantity into the direct current bus by the discharging power of the energy storage battery; controlling the electric automobile capable of discharging to input electric quantity into the direct current bus by using the adjusted discharging power, wherein the sum of the adjusted discharging power and the discharging power of the energy storage battery is equal to the charging and discharging power limit value of the converter; and controlling the converter to take electricity from the direct current bus by using the charging and discharging power limit value of the converter and input the electricity into a power grid.
Optionally, determining an electric vehicle that needs to be charged in the plurality of electric vehicles and an electric vehicle that can be discharged in the plurality of electric vehicles according to a remaining power of each of the plurality of electric vehicles and an idle power threshold of each of the plurality of electric vehicles, including: judging the magnitude relation between the respective residual electric quantity of the plurality of electric vehicles and the corresponding idle electric quantity threshold value respectively; and determining the electric vehicles needing to be charged in the plurality of electric vehicles and the electric vehicles capable of discharging in the plurality of electric vehicles according to the magnitude relation between the respective residual electric quantity of the plurality of electric vehicles and the corresponding idle electric quantity threshold value.
Optionally, the method further comprises: and under the condition that the target moment does not meet the preset condition, controlling the plurality of electric vehicles to take electricity from the power grid through the direct current bus for charging, wherein the direct current bus is connected with the power grid through the converter.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
In the foregoing embodiments of the present invention, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed technology content may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, for example, may be a logic function division, and may be implemented in another manner, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a non-volatile storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (10)
1. An energy control method, comprising:
acquiring respective discharge power limit values of a plurality of electric vehicles, respective charge power limit values of the plurality of electric vehicles, respective residual electric quantity and target time of the plurality of electric vehicles, and respective preset idle electric quantity threshold values of the plurality of electric vehicles;
determining electric vehicles needing to be charged in the plurality of electric vehicles and electric vehicles capable of discharging in the plurality of electric vehicles according to the respective residual electric quantity of the plurality of electric vehicles and the respective idle electric quantity threshold value of the plurality of electric vehicles;
and under the condition that the target moment meets the preset condition, controlling the electric automobile capable of discharging to input electric quantity into a direct current bus, wherein the electric automobile needing to be charged takes electricity from the direct current bus to be charged, and the direct current bus is connected with a power grid through a converter.
2. The method according to claim 1, wherein controlling the electric vehicle capable of discharging to input electric power to a dc bus in a case where the target time satisfies a predetermined condition, comprises:
determining the charging power of the electric automobile to be charged and the discharging power of the electric automobile capable of discharging;
acquiring the discharge power of an energy storage battery;
determining the sum of the discharge power of the energy storage battery and the discharge power of the electric automobile capable of discharging as the total discharge power;
judging the magnitude relation between the charging power of the electric automobile to be charged and the total discharging power;
and controlling the energy storage battery and the electric automobile capable of discharging to input electric quantity into the direct current bus according to the size relation.
3. The method of claim 2, wherein controlling the energy storage battery and the electric vehicle capable of discharging to input power into the dc bus according to the magnitude relation comprises:
controlling the energy storage battery and the electric automobile capable of discharging to input electric quantity into the direct current bus under the condition that the charging power of the electric automobile to be charged is larger than the total discharging power;
And controlling the converter to take electricity from the power grid and input the direct current bus, so that the power input into the direct current bus meets the charging power of the electric automobile needing to be charged.
4. The method of claim 2, wherein the controlling the energy storage battery and the electric vehicle capable of discharging to input power into the dc bus according to the magnitude relation further comprises:
determining a power difference value between the total discharge power and the charging power of the electric vehicle to be charged under the condition that the charging power of the electric vehicle to be charged is smaller than the total discharge power;
acquiring a charging and discharging power limit value of the converter;
judging whether the power difference is smaller than a charging and discharging power limit value of the converter or not;
and under the condition that the difference value is smaller than the charging and discharging power limit value of the converter, controlling the energy storage battery to input electric quantity into the direct current bus by the discharging power of the energy storage battery, controlling the electric automobile capable of discharging to input electric quantity into the direct current bus by the discharging power of the electric automobile capable of discharging, and controlling the converter to take electricity from the direct current bus by the power difference value and input the electricity into a power grid.
5. The method as recited in claim 4, further comprising:
controlling the energy storage battery to input electric quantity into the direct current bus by the discharge power of the energy storage battery under the condition that the difference value is larger than the limit value of the charge and discharge power of the converter;
controlling the electric automobile capable of discharging to input electric quantity into the direct current bus with adjusted discharging power, wherein the sum of the adjusted discharging power and the discharging power of the energy storage battery is equal to the charging and discharging power limit value of the converter;
and controlling the converter to take electricity from the direct current bus by using the charging and discharging power limit value of the converter and input the electricity into a power grid.
6. The method of claim 1, wherein the determining an electric vehicle of the plurality of electric vehicles that needs to be charged and an electric vehicle of the plurality of electric vehicles that can be discharged according to the remaining power of each of the plurality of electric vehicles and the idle power threshold of each of the plurality of electric vehicles, comprises:
respectively judging the magnitude relation between the respective residual electric quantity of the plurality of electric vehicles and the corresponding idle electric quantity threshold value;
and determining the electric vehicles needing to be charged in the electric vehicles and the electric vehicles capable of discharging in the electric vehicles according to the magnitude relation between the residual electric quantity of each electric vehicle and the corresponding idle electric quantity threshold value.
7. The method according to any one of claims 1 to 6, further comprising:
and under the condition that the target moment does not meet the preset condition, controlling the plurality of electric vehicles to take electricity from a power grid through the direct current bus for charging, wherein the direct current bus is connected with the power grid through a converter.
8. An energy control device, comprising:
the system comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring respective discharge power limit values of a plurality of electric vehicles, respective charging power limit values of the plurality of electric vehicles, respective residual electric quantity and target time of the plurality of electric vehicles and a preset respective idle electric quantity threshold value of the plurality of electric vehicles;
the determining module is used for determining electric vehicles needing to be charged in the plurality of electric vehicles and electric vehicles capable of discharging in the plurality of electric vehicles according to the respective residual electric quantity of the plurality of electric vehicles and the respective idle electric quantity threshold value of the plurality of electric vehicles;
and the control module is used for controlling the electric automobile capable of discharging to input electric quantity into the direct current bus when the target moment meets the preset condition, wherein the electric automobile needing to be charged takes electricity from the direct current bus to be charged, and the direct current bus is connected with a power grid through a converter.
9. A non-volatile storage medium, characterized in that the non-volatile storage medium comprises a stored program, wherein the device in which the non-volatile storage medium is controlled to execute the energy control method according to any one of claims 1 to 7 when the program is run.
10. A computer device, comprising: a memory and a processor, wherein the memory is configured to store,
the memory stores a computer program;
the processor being configured to execute a computer program stored in the memory, the computer program when run causing the processor to perform the energy control method of any one of claims 1 to 7.
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