CN106230009B - A kind of Energy Management System and method of family energy storaging product - Google Patents
A kind of Energy Management System and method of family energy storaging product Download PDFInfo
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- CN106230009B CN106230009B CN201610790163.3A CN201610790163A CN106230009B CN 106230009 B CN106230009 B CN 106230009B CN 201610790163 A CN201610790163 A CN 201610790163A CN 106230009 B CN106230009 B CN 106230009B
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to the management domain of family energy storaging product more particularly to a kind of Energy Management System and method of family energy storaging product, and the system comprises PORT COM dispensing unit, data acquisition unit, data processing unit, display unit and power distributing units.The method can provide the configuration feature of PORT COM, configuration feature, data acquisition, data processing, display and the power dividing function of port communication agreement.The present invention is in traditional family energy-storage system, the Energy Management System of family energy storaging product is introduced, the components such as battery, inverter only need to meet and the Energy Management System of family energy storaging product communicates, and reduce the coupling of system, in design level, the stability of system is improved.
Description
Technical field
The present invention relates to the management domain of family energy storaging product more particularly to a kind of energy management systems of family energy storaging product
System and method.
Background technology
With battery, the reduction of electronic equipment cost, family, more and more as household electrical appliance, is appeared in energy storaging product
Huge numbers of families.There are two types of building forms for conventional family energy storaging product, the first is several by battery, inverter, photovoltaic charger
Component forms, and selects battery or inverter as the host of communication and system strategy, realizes power control and data acquisition process；
It is made of inverter and energy storage inverter for second, wherein energy storage inverter is integrated with inverter in the first and photovoltaic charged
The function of two components of device.The present invention is analyzed only for the family of the first composed structure with energy storaging product.
Said program is common implementation on the market, mainly there is the defect or deficiency of three aspects.1) at common family
With in energy-storage system, each inter-module is all that connection is established by the way of Direct Communication, such as battery component, is needed and inversion
Device, photovoltaic charger are communicated, and each inter-module degree of coupling is higher, associated therewith when wherein a certain component has altered demand
The component of connection is required to carry out different degrees of change, increases change difficulty and project cost, reduces to the market demand
Response speed；2) in order to meet the market demand, the frequent change of component is also detrimental to the stability of component；3) photovoltaic fills
The utilization rate of electric appliance is not high, and when the fan-out capability of photovoltaic charger is while meeting band load, dump energy is more than present battery
When maximum charge ability, to avoid overcharging battery, evade this operating mode, but the work frequently with the mode of limitation photovoltaic charger output
After condition uses this strategy, the reduction of photovoltaic output energy is directly resulted in, user's income is affected.
In conclusion while existing scheme increases project development difficulty and cost, it is unfavorable for fast responding market demand,
Reduce the stability of the components such as battery, inverter and the photovoltaic income of user.
Invention content
The present invention provides a kind of Energy Management System and method of family energy storaging product, can provide the configuration of PORT COM
Function, configuration feature, data acquisition, data processing, display and the power dividing function of port communication agreement.
Realizing the technical solution of the object of the invention is：A kind of Energy Management System of family energy storaging product, family is produced with energy storage
Product include battery, photovoltaic charger, inverter and power grid, and the Energy Management System of family energy storaging product includes PORT COM configuration
Unit, data acquisition unit, data processing unit, display unit and power distributing unit,
PORT COM dispensing unit, PORT COM dispensing unit are used for as battery, photovoltaic charger, inverter and power grid point
With PORT COM and configure corresponding communications protocol；
Data acquisition unit, data acquisition unit are used to collect the operation shape of battery, photovoltaic charger, inverter and power grid
State information and operation troubles information；
Data processing unit, data processing unit are used to count and calculate the data of data acquisition unit acquisition；
Display unit, display unit allow user to check the energy management of family energy storaging product by providing communication interface
The operating status of system；
Power distributing unit, the data that power distributing unit is acquired according to data acquisition unit so that family energy storaging product
Rational distribution power.
Realizing the technical solution of the object of the invention is：A kind of energy management method of family energy storaging product, using above-mentioned
A kind of Energy Management System of family energy storaging product, includes the following steps：
Step S01, powers on, and starts the Energy Management System of family energy storaging product；
Step S02, the initialization of the Energy Management System of family energy storaging product；
Step S03 reads the port type parameter and number of battery, photovoltaic charger, inverter and power grid；
Step S04, according to the port type parameter value of battery, photovoltaic charger, inverter and power grid, PORT COM configuration
Unit distributes corresponding PORT COM；
Step S05 distributes the corresponding of corresponding PORT COM according to the number of battery, photovoltaic charger, inverter and power grid
Communications protocol；
Step S06, data acquisition unit carry out data acquisition；
Step S07, the data that data processing unit acquires data acquisition unit are handled；
Step S08, power distributing unit are that family uses energy storaging product to distribute rational power as the optimization side of the present invention
Case,.
As the prioritization scheme of the present invention, step S04 includes the following steps：
Step S041 distributes corresponding PORT COM according to the port type parameter values of battery；
Step S042 distributes corresponding PORT COM according to photovoltaic charger port type parameter values；
Step S043 distributes corresponding PORT COM according to the port type parameter values of inverter；
Step S044 distributes corresponding PORT COM according to the port type parameter values of the ammeter of power grid.
As the prioritization scheme of the present invention, step S05 includes the following steps：
Step S051 distributes the communications protocol of corresponding PORT COM according to the number parameter numerical value of battery；
Step S052 distributes the communications protocol of corresponding PORT COM according to the number parameter numerical value of photovoltaic charger；
Step S053 distributes the communications protocol of corresponding PORT COM according to the number parameter numerical value of inverter；
Step S054 distributes the communications protocol of corresponding PORT COM according to the number parameter numerical value of the ammeter of power grid.
As the prioritization scheme of the present invention, step S06 includes the following steps：
Step S061 calls the Energy Management System of family energy storaging product and battery to be communicated, acquires the state of battery
Data；
Step S062 calls the Energy Management System of family energy storaging product and inverter to be communicated, acquires inverter
Status data；
The ammeter of step S063, the Energy Management System and power grid of calling family energy storaging product are communicated, and power grid is acquired
Ammeter status data；
Step S064 calls the Energy Management System of family energy storaging product and photovoltaic charger to be communicated, and acquires photovoltaic
The status data of charger.
As the prioritization scheme of the present invention, step S07 includes the following steps：
Step S071, data processing unit handle the status data of battery；
Step S072, data processing unit handle the status data of inverter；
Step S073, data processing unit handle the status data of photovoltaic charger；
Step S074, data processing unit handle the status data of the ammeter of power grid；
Step S075, data processing unit handle fault message.
As the prioritization scheme of the present invention, step S08 includes the following steps：
Step S081 calls the output limit value generating function of battery；
Step S082 calls the input limit value generating function of battery；
Step S083 calls the Energy Management System exchange output limit value generating function of family energy storaging product；
Step S084 calls the Energy Management System exchange input limit value generating function of family energy storaging product；
Step S085 calls the output limit value generating function of photovoltaic charger；
Step S086 calls the active target generating function of the output of inverter.
Prioritization scheme as the present invention includes the following steps in step S085：
Step S0851 inputs the charging limit value of battery, inputs the output limit value of inverter；
Step S0852 judges whether the Energy Management System communication of family energy storaging product is normal；If so, executing step
S0853 if not, photovoltaic charger is forbidden to export, and provides alarm prompt function；
Step S0853, the output limit value of charging limit value+inverter of output limit value=battery of photovoltaic charger；Photovoltaic
The output of charger is DC energy, and inverter output is AC energy；
Step S0854 calls the communication function of the Energy Management System and photovoltaic charger of family energy storaging product, execution to write
The output limit value order of photovoltaic charger.
Prioritization scheme as the present invention includes the following steps in step S086：
Step S0861, parameter input；Input parameter includes the power of power grid and the power of battery；
Step S0862, active target 1 generate；Active target 1 is the Energy Management System matching power grid of family energy storaging product
Power generate, matching target be zero, power grid current power be matching process value of feedback；
Step S0863, active target 2 generate；Active target 2 is the Energy Management System match battery of family energy storaging product
Power generate, matching target is that battery (1) inputs limit value, the current power of battery for matching process value of feedback；
Step S0864, judges whether active target 2 is more than active target 1；If so, step S0865 is executed, if not,
The active target of inverter=active target 1；
Step S0865, active target=active target 2 of inverter；
Step S0866 calls the communication function of the Energy Management System and inverter of family energy storaging product, execution to write inversion
Device active power of output command object
The present invention has the effect of positive：1) present invention introduces family energy storaging product in traditional family energy-storage system
Energy Management System, the components such as battery, inverter only need meet and family energy storaging product Energy Management System communication, drop
The low coupling of system improves the stability of system in design level.
2) the present invention provides the configuration feature of PORT COM and port communication agreement, allow to access different size or brand
Component, improve the compatibility of family energy storaging product.
3) present invention provides display and power dividing function, and the change request at user often focuses on the two functions
On, the change frequency of the components such as battery, inverter is reduced, contribute to each component determines version, improves the stability of each component
The configuration quantity for decreasing component maintenance personnel, contributes to the reduction of maintenance cost.
4) present invention introduces offer power dividing functions, when executing power dispatch logic, it is contemplated that current band, which carries, to be needed
It asks, the fan-out capability of battery charging and discharging ability, inverter charging and discharging capabilities and photovoltaic charged machine, the waste of photovoltaic can be reduced.
Description of the drawings
In order that the present invention can be more clearly and readily understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail：
Fig. 1 is the structural schematic diagram of family energy storaging product；
Fig. 2 is the conventional communications topological diagram of family energy storaging product；
Fig. 3 is the communication topological diagram of the present invention；
Fig. 4 is the flow chart of the energy management method of family energy storaging product；
Fig. 5 is the hardware port allocation process diagram of the energy management method of family energy storaging product of the present invention；
Fig. 6 is the Port Profile allocation process diagram of the energy management method of family energy storaging product of the present invention；
Fig. 7 is the data acquisition flow figure of the energy management method of family energy storaging product of the present invention；
Fig. 8 is the flow chart of data processing figure of the energy management method of family energy storaging product of the present invention；
Fig. 9 is the power distribution flow figure of the energy management method of family energy storaging product of the present invention；
Figure 10 is the algorithm flow chart that photovoltaic charger exports limit value；
Figure 11 is the algorithm flow chart that inverter exports active target.
Wherein：1, battery, 2, photovoltaic charger, 3, inverter, 4, power grid.
Specific implementation mode
As shown in Figure 1, family energy storaging product includes battery 1, photovoltaic charger 2, inverter 3 and power grid 4, battery 1 and light
It lies prostrate charger 2 and connects inverter 3 by connecting circuit, inverter 3 is with power grid 4 by connecting circuit connection.
As shown in Fig. 2, the conventional communications topological diagram of family energy storaging product include battery 1, photovoltaic charger 2, inverter 3,
Power grid 4, the communicating circuit for being communicated between battery 1 and inverter 3, the communication for being communicated between photovoltaic charger 2 and inverter 3
Circuit, the communicating circuit for being communicated between inverter 3 and power grid 4.Communication wherein between inverter 3 and power grid 4, refers to inverter
Communication between ammeter, in order to obtain the information such as grid side power, voltage, electric current and statistic.
It is illustrated in figure 3 the communication topological diagram of the present invention, including battery 1, photovoltaic charger 2, inverter 3, power grid 4, prison
Control shows equipment, the communicating circuit for being communicated between battery 1 and the Energy Management System of family energy storaging product, for photovoltaic charged
The communicating circuit that is communicated between device 2 and the Energy Management System of family energy storaging product, for the energy of inverter 3 and family energy storaging product
The communicating circuit that is communicated between buret reason system, the communication for being communicated between power grid 4 and the Energy Management System of family energy storaging product
Circuit, for monitoring the communicating circuit that communicates between display equipment and the Energy Management System of family energy storaging product.Wherein family is stored up
Communication between the Energy Management System and power grid of energy product, refers to the communication between Energy Management System and ammeter, in order to obtain electricity
The information such as net side power, voltage, electric current and statistic.Monitoring shows that equipment can be touch screen, mobile phone, web publishing etc..From
Communication topology is as it can be seen that the families energy storaging product such as battery 1, inverter 3, photovoltaic charger 2, it is only necessary to meet and family energy storaging product
The complexity of communication between Energy Management System, 2 each inter-module communication interface of comparison diagram is reduced, and reduces the coupling of inter-module
Conjunction property, makes family be improved with the stability of energy storaging product in design.
The Energy Management System of family energy storaging product includes PORT COM dispensing unit, data acquisition unit, data processing
Unit, display unit and power distributing unit,
PORT COM dispensing unit, PORT COM dispensing unit are used to be battery 1, photovoltaic charger 2, inverter 3 and electricity
Net 4 distributes PORT COM and configures corresponding communications protocol；
Data acquisition unit, data acquisition unit are used to collect the fortune of battery 1, photovoltaic charger 2, inverter 3 and power grid 4
Row status information and operation troubles information；
Data processing unit, data processing unit are used to count and calculate the data of data acquisition unit acquisition；
Display unit, display unit allow user to check the energy management of family energy storaging product by providing communication interface
The operating status of system；
Power distributing unit, the data that power distributing unit is acquired according to data acquisition unit so that family energy storaging product
Rational distribution power.
The present invention allows the external communication modes, the component that are provided according to components such as battery 1, photovoltaic charger 2, inverters 3
Number distributes the communications protocol version of PORT COM type and use, after communication connection creates, acquisition battery 1, inverter 3 etc.
Assembly operating information and fault message handle the data of acquisition, execute the functions such as power distribution.
As shown in figure 4, the invention also discloses a kind of energy management method of family energy storaging product, above-mentioned one kind is utilized
The Energy Management System of family energy storaging product, includes the following steps：
Step S01, powers on, and starts the Energy Management System of family energy storaging product；
Step S02, the initialization of the Energy Management System of family energy storaging product；
Step S03 reads the port type parameter and number of battery 1, photovoltaic charger 2, inverter 3 and power grid 4；
Step S04, according to the port type parameter value of battery 1, photovoltaic charger 2, inverter 3 and power grid 4, PORT COM
Dispensing unit distributes corresponding PORT COM；
Step S05 distributes corresponding PORT COM according to the number of battery 1, photovoltaic charger 2, inverter 3 and power grid 4
Corresponding communications protocol；
Step S06, data acquisition unit carry out data acquisition；
Step S07, the data that data processing unit acquires data acquisition unit are handled；
Step S08, power distributing unit are that family energy storaging product distributes rational power.
Battery 1, inverter 3 and photovoltaic are can be seen that from the present invention to the allocation strategy of port type and communications protocol to fill
The families energy storaging products such as electric appliance 2 during the system integration, can there are many selection, in actual business process, family store up
Can the retail trader of system have the tendency that inverter 3, battery 1 or photovoltaic charger 2 different degrees of, implement the family of this programme
It is well positioned to meet specific needs of the user to component with the Energy Management System of energy storaging product.
As shown in figure 5, in specific implementation, in order to realize that, according to each component port type parameter values, distribution is corresponding
PORT COM step S04, includes the following steps：
Step S041 distributes corresponding PORT COM according to the port type parameter values of battery 1；
Step S042 distributes corresponding PORT COM according to 2 port type parameter values of photovoltaic charger；
Step S043 distributes corresponding PORT COM according to the port type parameter values of inverter 3；
Step S044 distributes corresponding PORT COM according to the port type parameter values of the ammeter of power grid 4.
The PORT COM that the Energy Management System of family energy storaging product provides includes the modes such as RS485, RS232, CAN, electricity
The families such as pond 1, inverter 3, photovoltaic charger 2, the ammeter corresponding port type parameter of energy-storage system component, concrete numerical value can be with
It is RS485, RS232, CAN or does not access.The interface quantity that the Energy Management System of family energy storaging product provides is limited, works as needs
Same type interface quantity more than the external communication interface that family is reserved with energy-storage system when, system does not allow to run, in standby
State, and corresponding indicating fault is provided, the parts selection stage needs to draw attention.
It is component, that is, battery 1, inverse in order to realize according to each component number parameter numerical value as shown in fig. 6, in specific implementation
Become device 3, photovoltaic charger 2, distributes corresponding PORT COM step S05, include the following steps：
Step S051 distributes the communications protocol of corresponding PORT COM according to the number parameter numerical value of battery 1；
Step S052 distributes the communications protocol of corresponding PORT COM according to the number parameter numerical value of photovoltaic charger 2；
Step S053 distributes the communications protocol of corresponding PORT COM according to the number parameter numerical value of inverter 3；
Step S054 distributes the communications protocol of corresponding PORT COM according to the number parameter numerical value of the ammeter of power grid 4.
The Energy Management System of family energy storaging product provides multiple kinds, communications protocol and group to each PORT COM
Part number corresponds, and during allowing the system integration, according to component differences, selects corresponding communications protocol.Present invention introduces
Family the communications protocol of various types of batteries 1, photovoltaic charger 2, inverter 3, ammeter is compatible with energy-storage system, increase family
With the compatibility of energy-storage system.
As shown in fig. 7, in specific implementation, the Energy Management System of family energy storaging product provides data acquisition function, number
It needs to collect the current state letter of these components by the communication with battery 1, inverter 3, photovoltaic charger 2, ammeter according to acquisition
Breath and fault message step S06, include the following steps：
Step S061 calls the Energy Management System of family energy storaging product and battery 1 to be communicated, and acquires the shape of battery 1
State data；
Step S062 calls the Energy Management System of family energy storaging product and inverter 3 to be communicated, and acquires inverter 3
Status data；
The ammeter of step S063, the Energy Management System and power grid 4 of calling family energy storaging product are communicated, and power grid is acquired
The status data of 4 ammeter；
Step S064 calls the Energy Management System of family energy storaging product and photovoltaic charger 2 to be communicated, and acquires photovoltaic
The status data of charger 2.
As shown in figure 8, in specific implementation, the present invention carries out data processing, data that treated to collected data
It is used as display and system control, step S07 includes the following steps：
Step S071, data processing unit handle the status data of battery 1；
Step S072, data processing unit handle the status data of inverter 3；
Step S073, data processing unit handle the status data of photovoltaic charger 2；
Step S074, data processing unit handle the status data of the ammeter of power grid 4；
Step S075, data processing unit handle fault message.
As shown in figure 9, in specific implementation, the present invention provides the function of power distribution, the outputs of data processing function
As the input parameter of power dividing function, the output of power distribution module is 3 target active power of inverter and photovoltaic charged
Device 2 exports limit value in step S08, includes the following steps：
Step S081 calls the output limit value generating function of battery 1；
Step S082 calls the input limit value generating function of battery 1；
Step S083 calls the Energy Management System exchange output limit value generating function of family energy storaging product；
Step S084 calls the Energy Management System exchange input limit value generating function of family energy storaging product；
Step S085 calls the output limit value generating function of photovoltaic charger 2；
Step S086 calls the active target generating function of output of inverter 3.
The Energy Management System that can be seen that family energy storaging product from the power distribution step of the present invention is realizing power point
Timing, it is contemplated that the operating status and malfunction of the components such as battery 1, inverter 3, photovoltaic charger 2 are carried for each component
Input for component or fan-out capability generating function, increase security of system.
As shown in Figure 10, in specific implementation, in order to realize that charger exports limit value in step S085, include the following steps：
Step S0851 inputs the charging limit value of battery 1, inputs the output limit value of inverter 3；
Step S0852 judges whether the Energy Management System communication of family energy storaging product is normal；If so, executing step
S0853 if not, photovoltaic charger 2 is forbidden to export, and provides alarm prompt function；
Step S0853, the output limit value of charging limit value+inverter 3 of output limit value=battery 1 of photovoltaic charger 2；Light
The output of volt charger 2 is DC energy, and the output of inverter 3 is AC energy；
Step S0854 calls the communication function of the Energy Management System and photovoltaic charger 2 of family energy storaging product, executes
Write the output limit value order of photovoltaic charger 2.
Currently, the method that portioned product provides the fan-out capability of dynamic change photovoltaic charger, common algorithm photovoltaic
Charger exports limit value=battery charging limit value+inverter present output power.When the exportable power of current photovoltaic is much larger than
Battery charging ability, and system load demand be much smaller than inverter fan-out capability when, using photovoltaic provided by the invention export limit
The Energy Management System of the family energy storaging product of value-based algorithm, photovoltaic charger 2 can be with the more energy of output.This light may be used
It is to introduce step S086 based on Energy Management System of the present invention to lie prostrate charger 2 and export High Limit algorithm.
As shown in figure 11, in specific implementation, in order to realize that generating inverter exports active desired value in step S086, including
Following steps：
Step S0861, parameter input；Input parameter includes the power of the power and battery 1 of power grid 4；
Step S0862, active target 1 generate；Active target 1 is the Energy Management System matching power grid of family energy storaging product
What 4 power generated, matching target is zero, and 4 current power of power grid is the value of feedback of matching process；
Step S0863, active target 2 generate；Active target 2 is the Energy Management System match battery of family energy storaging product
What 1 power generated, matching target is that battery 1 inputs limit value, and the current power of battery 1 is the value of feedback of matching process；
Step S0864, judges whether active target 2 is more than active target 1；If so, step S0865 is executed, if not,
The active target of inverter 3=active target 1；
Step S0865, active target=active target 2 of inverter 3；
Step S0866 calls the communication function of the Energy Management System and inverter 3 of family energy storaging product, execution to write inverse
Become 3 active power of output command object of device.
It is mutually matched for can be seen that step S085 and step S086 from the power distribution algorithm of the present invention, and S085 is carried
The photovoltaic charger High Limit algorithm of confession, can create photovoltaic charger output power meet rechargeable battery and with carry demand it is same
When, the operating mode discharged to power grid 4, and step S086 is provided and is converted excess energy to inverter active power target, and will
The additional energy is transported to power grid 4, the method for creating more profits.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical solution and advantageous effect
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the present invention
Within the scope of shield.
Claims (9)
1. a kind of Energy Management System of family energy storaging product, the family energy storaging product includes battery (1), photovoltaic charger
(2), inverter (3) and power grid (4), it is characterised in that：The Energy Management System of the family energy storaging product includes communication terminal
Mouth dispensing unit, data acquisition unit, data processing unit, display unit and power distributing unit,
PORT COM dispensing unit, the PORT COM dispensing unit are used for as battery (1), photovoltaic charger (2), inverter
(3) it distributes PORT COM with power grid (4) and configures corresponding communications protocol, battery (1), photovoltaic charger (2), inverter (3)
With power grid (4) respectively with Energy Management System Direct Communication；
Data acquisition unit, the data acquisition unit for collect battery (1), photovoltaic charger (2), inverter (3) and
The running state information and operation troubles information of power grid (4)；
Data processing unit, the data processing unit are used to count and calculate the data of data acquisition unit acquisition；
Display unit, the display unit allow user to check the energy pipe of family energy storaging product by providing communication interface
The operating status of reason system；
Power distributing unit, the data that power distributing unit is acquired according to data acquisition unit so that family energy storaging product is reasonable
Distribution power.
2. a kind of energy management method of family energy storaging product utilizes a kind of family energy storaging product as described in claim 1
Energy Management System, it is characterised in that：Include the following steps：
Step S01, powers on, and starts the Energy Management System of family energy storaging product；
Step S02, the initialization of the Energy Management System of family energy storaging product；
Step S03 reads the port type parameter and number of battery (1), photovoltaic charger (2), inverter (3) and power grid (4)；
Step S04, according to battery (1), the port type parameter value of photovoltaic charger (2), inverter (3) and power grid (4), communication
Port dispensing unit distributes corresponding PORT COM；
Step S05 distributes corresponding communication terminal according to the number of battery (1), photovoltaic charger (2), inverter (3) and power grid (4)
The corresponding communications protocol of mouth；
Step S06, data acquisition unit carry out data acquisition；
Step S07, the data that data processing unit acquires data acquisition unit are handled；
Step S08, power distributing unit are that family energy storaging product distributes rational power.
3. a kind of energy management method of family energy storaging product according to claim 2, it is characterised in that：The step
S04 includes the following steps：
Step S041 distributes corresponding PORT COM according to the port type parameter values of battery (1)；
Step S042 distributes corresponding PORT COM according to photovoltaic charger (2) port type parameter values；
Step S043 distributes corresponding PORT COM according to the port type parameter values of inverter (3)；
Step S044 distributes corresponding PORT COM according to the port type parameter values of the ammeter of power grid (4).
4. a kind of energy management method of family energy storaging product according to claim 2, it is characterised in that：The step
S05 includes the following steps：
Step S051 distributes the communications protocol of corresponding PORT COM according to the number parameter numerical value of battery (1)；
Step S052 distributes the communications protocol of corresponding PORT COM according to the number parameter numerical value of photovoltaic charger (2)；
Step S053 distributes the communications protocol of corresponding PORT COM according to the number parameter numerical value of inverter (3)；
Step S054 distributes the communications protocol of corresponding PORT COM according to the number parameter numerical value of the ammeter of power grid (4).
5. a kind of energy management method of family energy storaging product according to claim 2, it is characterised in that：The step
S06 includes the following steps：
Step S061 calls the Energy Management System of family energy storaging product and battery (1) to be communicated, the shape of acquisition battery (1)
State data；
Step S062 calls the Energy Management System of family energy storaging product and inverter (3) to be communicated, acquisition inverter (3)
Status data；
The ammeter of step S063, the Energy Management System and power grid (4) of calling family energy storaging product are communicated, and power grid is acquired
(4) status data of ammeter；
Step S064 calls the Energy Management System of family energy storaging product and photovoltaic charger (2) to be communicated, and acquisition photovoltaic fills
The status data of electric appliance (2).
6. a kind of energy management method of family energy storaging product according to claim 2, it is characterised in that：The step
S07 includes the following steps：
Step S071, data processing unit handle the status data of battery (1)；
Step S072, data processing unit handle the status data of inverter；
Step S073, data processing unit handle the status data of photovoltaic charger (2)；
Step S074, data processing unit handle the status data of the ammeter of power grid (4)；
Step S075, data processing unit handle fault message.
7. a kind of energy management method of family energy storaging product according to claim 2, it is characterised in that：In step S08,
Include the following steps：
Step S081 calls the output limit value generating function of battery (1)；
Step S082 calls the input limit value generating function of battery (1)；
Step S083 calls the Energy Management System exchange output limit value generating function of family energy storaging product；
Step S084 calls the Energy Management System exchange input limit value generating function of family energy storaging product；
Step S085 calls the output limit value generating function of photovoltaic charger (2)；
Step S086 calls the active target generating function of output of inverter (3).
8. a kind of energy management method of family energy storaging product according to claim 7, it is characterised in that：In step
S085 includes the following steps：
Step S0851, the charging limit value of input battery (1), the output limit value of input inverter (3)；
Step S0852 judges whether the Energy Management System communication of family energy storaging product is normal；If so, executing step
S0853 if not, photovoltaic charger (2) is forbidden to export, and provides alarm prompt function；
Step S0853, the output limit value of charging limit value+inverter (3) of output limit value=battery (1) of photovoltaic charger (2)；
The output of photovoltaic charger (2) is DC energy, and inverter (3) output is AC energy；
Step S0854 calls the communication function of the Energy Management System and photovoltaic charger (2) of family energy storaging product, execution to write
The output limit value order of photovoltaic charger (2).
9. a kind of energy management method of family energy storaging product according to claim 8, it is characterised in that：In step
S086 includes the following steps：
Step S0861, parameter input；Input parameter includes the power of the power and battery (1) of power grid (4)；
Step S0862, active target 1 generate；Active target 1 is the Energy Management System matching power grid (4) of family energy storaging product
Power generate, matching target be zero, power grid (4) current power be matching process value of feedback；
Step S0863, active target 2 generate；Active target 2 is the Energy Management System match battery (1) of family energy storaging product
Power generate, matching target is that battery (1) inputs limit value, the current power of battery (1) for matching process value of feedback；
Step S0864, judges whether active target 2 is more than active target 1；If so, step S0865 is executed, if not, inversion
The active target of device (3)=active target 1；
Step S0865, active target=active target 2 of inverter (3)；
Step S0866 calls the communication function of the Energy Management System and inverter (3) of family energy storaging product, execution to write inversion
Device (3) active power of output command object.
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| CN111682604B (en) * | 2020-05-21 | 2022-01-28 | 深圳市德兰明海科技有限公司 | Control method and device of energy storage product and electronic equipment |
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| CN203554064U (en) * | 2013-06-01 | 2014-04-16 | 杭州国电能源环境设计研究院有限公司 | Household photovoltaic power generation system manager |
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