CN106230009A - The EMS of a kind of family energy storaging product and method - Google Patents
The EMS of a kind of family energy storaging product and method Download PDFInfo
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- CN106230009A CN106230009A CN201610790163.3A CN201610790163A CN106230009A CN 106230009 A CN106230009 A CN 106230009A CN 201610790163 A CN201610790163 A CN 201610790163A CN 106230009 A CN106230009 A CN 106230009A
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- inverter
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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
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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
- 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, particularly relate to EMS and the method for a kind of family energy storaging product, described system includes PORT COM dispensing unit, data acquisition unit, data processing unit, display unit and power distributing unit.Described method can provide the configuration feature of PORT COM, the configuration feature of port communication agreement, data acquisition, data to process, show and power dividing function.The present invention is in the energy-storage system of tradition family, introducing the EMS of family energy storaging product, the assembly such as battery, inverter only needs to meet and the EMS communication of family energy storaging product, reduces the coupling of system, in design level, improve the stability of system.
Description
Technical field
The present invention relates to the management domain of family energy storaging product, particularly relate to the energy management system of a kind of family energy storaging product
System and method.
Background technology
Along with battery, the reduction of electronic equipment cost, family, occurs in more and more as household electrical appliance with energy storaging product
Huge numbers of families.Conventional family energy storaging product has two kinds of building forms, and the first is several by battery, inverter, photovoltaic charger
Assembly forms, and selects battery or inverter as communication and the main frame of system strategy, it is achieved power controls and data acquisition process；
The second is made up of inverter and energy storage inverter, inverter during wherein energy storage inverter is integrated with the first and photovoltaic charged
The function of two assemblies of device.The present invention is analyzed only for the family energy storaging product of the first composition structure.
Such scheme is the implementation commonly used on the market, mainly has defect or the deficiency of three aspects.1) at conventional family
With in energy-storage system, each inter-module is all that the mode using Direct Communication sets up connection, such as battery component, needs and inversion
Device, photovoltaic charger carry out communication, and each inter-module degree of coupling is higher, when the most a certain assembly has change request, associated therewith
The assembly of connection is required to carry out change in various degree, adds change difficulty and project cost, reduces the market demand
Response speed；2) in order to meet the market demand, the frequent change of assembly, also it is detrimental to the stability of assembly；3) photovoltaic fills
The utilization rate of electrical equipment is the highest, when the fan-out capability of photovoltaic charger is while meeting band load, and dump energy is more than present battery
During maximum charge ability, for avoiding overcharging battery, evade this operating mode frequently with the mode limiting photovoltaic charger output, but this work
After condition uses this strategy, directly results in the reduction of photovoltaic output energy, have impact on user's income.
In sum, while existing scheme increases project development difficulty and cost, it is unfavorable for fast responding market demand,
Reduce the stability of the assembly such as battery, inverter and the photovoltaic income of user.
Summary of the invention
The present invention provides EMS and the method for a kind of family energy storaging product, it is provided that the configuration of PORT COM
Function, the configuration feature of port communication agreement, data acquisition, data process, show and power dividing function.
The technical scheme realizing the object of the invention is: the EMS of a kind of family energy storaging product, and family energy storage is produced
Product include that battery, photovoltaic charger, inverter and electrical network, the EMS of family energy storaging product include that PORT COM configures
Unit, data acquisition unit, data processing unit, display unit and power distributing unit,
PORT COM dispensing unit, PORT COM dispensing unit is for dividing for battery, photovoltaic charger, inverter and electrical network
Join PORT COM and configure corresponding communications protocol；
Data acquisition unit, data acquisition unit is for collecting the operation shape of battery, photovoltaic charger, inverter and electrical network
State information and operation troubles information；
Data processing unit, data processing unit is for adding up and calculate the data that data acquisition unit gathers；
Display unit, display unit is by providing communication interface, it is allowed to user checks the energy management of family energy storaging product
The running status of system；
Power distributing unit, the data that power distributing unit gathers according to data acquisition unit so that family energy storaging product
Reasonably distribute power.
The technical scheme realizing the object of the invention is: the energy management method of a kind of family energy storaging product, utilizes above-mentioned
The EMS of a kind of family energy storaging product, comprises the steps:
Step S01, powers on, and starts the EMS of family energy storaging product；
Step S02, the initialization of the EMS of family energy storaging product；
Step S03, reads battery, photovoltaic charger, inverter and the port type parameter of electrical network and numbering；
Step S04, according to the port type parameter value of battery, photovoltaic charger, inverter and electrical network, PORT COM configures
Unit distributes corresponding PORT COM；
Step S05, according to the numbering of battery, photovoltaic charger, inverter and electrical network, distributes the corresponding of corresponding PORT COM
Communications protocol；
Step S06, data acquisition unit carries out data acquisition；
Step S07, the data of data acquisition unit collection are processed by data processing unit；
Step S08, power distributing unit is that family energy storaging product distributes the rational power optimization side as the present invention
Case,.
As the prioritization scheme of the present invention, step S04, comprise the steps:
Step S041, according to the port type parameter values of battery, the PORT COM that distribution is corresponding；
Step S042, according to photovoltaic charger port type parameter values, the PORT COM that distribution is corresponding；
Step S043, according to the port type parameter values of inverter, the PORT COM that distribution is corresponding；
Step S044, according to the port type parameter values of the ammeter of electrical network, the PORT COM that distribution is corresponding.
As the prioritization scheme of the present invention, step S05, comprise the steps:
Step S051, according to the number parameter numerical value of battery, the communications protocol of the PORT COM that distribution is corresponding；
Step S052, according to the number parameter numerical value of photovoltaic charger, the communications protocol of the PORT COM that distribution is corresponding；
Step S053, according to the number parameter numerical value of inverter, the communications protocol of the PORT COM that distribution is corresponding；
Step S054, according to the number parameter numerical value of the ammeter of electrical network, the communications protocol of the PORT COM that distribution is corresponding.
As the prioritization scheme of the present invention, step S06, comprise the steps:
Step S061, the EMS and the battery that call family energy storaging product carry out communication, gather the state of battery
Data；
Step S062, the EMS and the inverter that call family energy storaging product carry out communication, gather inverter
Status data；
Step S063, the ammeter of the EMS and electrical network that call family energy storaging product carries out communication, gathers electrical network
The status data of ammeter；
Step S064, the EMS and the photovoltaic charger that call family energy storaging product carry out communication, gather photovoltaic
The status data of charger.
As the prioritization scheme of the present invention, step S07, comprise the steps:
Step S071, the status data of battery is processed by data processing unit；
Step S072, the status data of inverter is processed by data processing unit；
Step S073, the status data of photovoltaic charger is processed by data processing unit；
Step S074, the status data of the ammeter of electrical network is processed by data processing unit；
Step S075, fault message is processed by data processing unit.
As the prioritization scheme of the present invention, step S08, comprise the 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 EMS exchange output limit value generating function of family energy storaging product；
Step S084, calls the EMS 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 output of inverter and gains merit target generating function.
As the prioritization scheme of the present invention, in step S085, comprise the steps:
Step S0851, the charging limit value of input battery, the output limit value of input inverter；
Step S0852, it is judged that the EMS communication of family energy storaging product is the most normal；If it is, execution step
S0853, if it does not, forbid that photovoltaic charger exports, and provides alarm prompt function；
Step S0853, the output limit value of the charging limit value+inverter of the 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 EMS of family energy storaging product and the communication function of photovoltaic charger, performs to write
The output limit value order of photovoltaic charger.
As the prioritization scheme of the present invention, in step S086, comprise the steps:
Step S0861, parameter inputs；Input parameter includes the power of electrical network and the power of battery；
Step S0862, meritorious target 1 generates；Meritorious target 1 is the EMS coupling electrical network of family energy storaging product
Power produce, coupling target be zero, electrical network current power is the value of feedback of matching process；
Step S0863, meritorious target 2 generates；Meritorious target 2 is the EMS match battery of family energy storaging product
Power produce, coupling target be battery (1) input limit value, the current power of battery is the value of feedback of matching process；
Step S0864, it is judged that whether meritorious target 2 is more than meritorious target 1；If it is, perform step S0865, if it does not,
The meritorious target of inverter=meritorious target 1；
Step S0865, the meritorious target of inverter=meritorious target 2；
Step S0866, calls the EMS of family energy storaging product and the communication function of inverter, performs to write inversion
Device active power of output command object
The present invention has a positive effect: 1) present invention is in the energy-storage system of tradition family, introduces family energy storaging product
EMS, the assembly such as battery, inverter only need meet and the EMS communication of family energy storaging product, fall
The low coupling of system, in design level, improves the stability of system.
2) the invention provides PORT COM and the configuration feature of port communication agreement, it is allowed to access different size or brand
Assembly, improve the compatibility of family energy storaging product.
3) present invention provides display and power dividing function, the change request at user, often focuses on the two function
On, reduce the change frequency of the assembly such as battery, inverter, contribute to each assembly determines version, improves the stability of each assembly
Decrease the configuration quantity of assembly attendant, contribute to the reduction of maintenance cost.
4) present invention introduces offer power dividing function, when performing power dispatch logic, it is contemplated that current band carries to be needed
Ask, battery charging and discharging ability, inverter charging and discharging capabilities and the fan-out capability of photovoltaic charged machine, the waste of photovoltaic can be reduced.
Accompanying drawing explanation
It is clearly understood to make present disclosure be easier to, below according to specific embodiment and combine accompanying drawing, right
The present invention is described in further detail:
Fig. 1 is the structural representation 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 flow figure of the energy management method of family of the present invention energy storaging product；
Fig. 6 is the Port Profile allocation flow figure of the energy management method of family of the present invention energy storaging product；
Fig. 7 be the energy management method of family of the present invention energy storaging product data acquisition flow figure；
Fig. 8 be the energy management method of family of the present invention energy storaging product flow chart of data processing figure；
Fig. 9 be the energy management method of family of the present invention energy storaging product power distribution stream journey figure；
Figure 10 is the algorithm flow chart of photovoltaic charger output limit value；
Figure 11 is the algorithm flow chart of the meritorious target of inverter output.
Wherein: 1, battery, 2, photovoltaic charger, 3, inverter, 4, electrical network.
Detailed description of the invention
As it is shown in figure 1, family energy storaging product includes battery 1, photovoltaic charger 2, inverter 3 and electrical network 4, battery 1 and light
Volt charger 2 is all by connecting circuit connection inverter 3, and inverter 3 connects by being connected circuit with electrical network 4.
As in figure 2 it is shown, the conventional communications topological diagram of family energy storaging product include battery 1, photovoltaic charger 2, inverter 3,
Electrical network 4, for the communicating circuit of communication between battery 1 and inverter 3, for the communication of communication between photovoltaic charger 2 and inverter 3
Circuit, for the communicating circuit of communication between inverter 3 and electrical network 4.Wherein the communication between inverter 3 and electrical network 4, refers to inverter
And the 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, electrical network 4, prison
Control display device, between the EMS of battery 1 and family energy storaging product the communicating circuit of communication, for photovoltaic charged
The communicating circuit of communication between the EMS of device 2 and family energy storaging product, for inverter 3 and the energy of family energy storaging product
The communicating circuit of communication, the communication of communication between the EMS of electrical network 4 and family energy storaging product between buret reason system
Circuit, between the EMS of monitoring display equipment and family energy storaging product the communicating circuit of communication.Wherein family storage
Communication between the EMS of energy product and electrical network, refers to the communication between EMS and ammeter, in order to obtain electricity
The information such as net side power, voltage, electric current and statistic.Monitoring display equipment can be touch screen, mobile phone, web publishing etc..From
Communication topology is visible, the family energy storaging product such as battery 1, inverter 3, photovoltaic charger 2, it is only necessary to meet and family energy storaging product
Communication between EMS, the complexity of comparison diagram 2 each inter-module communication interface is reduced, and reduces the coupling of inter-module
Conjunction property, makes energy storaging product stability in design in family be improved.
The EMS of family energy storaging product includes that PORT COM dispensing unit, data acquisition unit, data process
Unit, display unit and power distributing unit,
PORT COM dispensing unit, PORT COM dispensing unit is used for as 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 is for collecting battery 1, photovoltaic charger 2, inverter 3 and the fortune of electrical network 4
Row status information and operation troubles information；
Data processing unit, data processing unit is for adding up and calculate the data that data acquisition unit gathers；
Display unit, display unit is by providing communication interface, it is allowed to user checks the energy management of family energy storaging product
The running status of system；
Power distributing unit, the data that power distributing unit gathers according to data acquisition unit so that family energy storaging product
Reasonably distribute power.
The present invention allows according to the external communication modes of assembly offer, assemblies such as battery 1, photovoltaic charger 2, inverters 3
Numbering, distribution PORT COM type and the communications protocol version of employing, after communication connects establishment, gather battery 1, inverter 3 etc.
The data gathered are processed by assembly operating information and fault message, perform the functions such as power distribution.
As shown in Figure 4, the invention also discloses the energy management method of a kind of family energy storaging product, utilize above-mentioned one
The EMS of family energy storaging product, comprises the steps:
Step S01, powers on, and starts the EMS of family energy storaging product；
Step S02, the initialization of the EMS of family energy storaging product；
Step S03, reads battery 1, photovoltaic charger 2, inverter 3 and the port type parameter of electrical network 4 and numbering；
Step S04, according to the port type parameter value of battery 1, photovoltaic charger 2, inverter 3 and electrical network 4, PORT COM
Dispensing unit distributes corresponding PORT COM；
Step S05, according to battery 1, photovoltaic charger 2, inverter 3 and the numbering of electrical network 4, distributes corresponding PORT COM
Corresponding communications protocol；
Step S06, data acquisition unit carries out data acquisition；
Step S07, the data of data acquisition unit collection are processed by data processing unit；
Step S08, power distributing unit is that family energy storaging product distributes rational power.
From the present invention to the allocation strategy of port type and communications protocol it can be seen that battery 1, inverter 3 and photovoltaic fill
The family energy storaging products such as electrical equipment 2, during the system integration, can have multiple choices, and in actual business process, family is stored up
There is tendency in various degree in the retail trader of energy system to inverter 3, battery 1 or photovoltaic charger 2, implements the family of this programme
It is well positioned to meet user's specific needs to assembly with the EMS of energy storaging product.
As it is shown in figure 5, in being embodied as, in order to realize according to each component ports type parameter numerical value, distribution correspondence
PORT COM step S04, comprises the steps:
Step S041, according to the port type parameter values of battery 1, the PORT COM that distribution is corresponding；
Step S042, according to photovoltaic charger 2 port type parameter values, the PORT COM that distribution is corresponding；
Step S043, according to the port type parameter values of inverter 3, the PORT COM that distribution is corresponding；
Step S044, according to the port type parameter values of the ammeter of electrical network 4, the PORT COM that distribution is corresponding.
The PORT COM that the EMS of family energy storaging product provides includes the modes such as RS485, RS232, CAN, electricity
The port type parameter that the family energy-storage system assemblies such as pond 1, inverter 3, photovoltaic charger 2, ammeter are corresponding, concrete numerical value is permissible
It is RS485, RS232, CAN or does not accesses.The interface limited amount that the EMS of family energy storaging product provides, works as needs
The same type number of ports amount external communication interface reserved more than family energy-storage system time, system does not allow to run, is in standby
State, and corresponding indicating fault is provided, in the parts selection stage, need to draw attention.
As shown in Figure 6, in being embodied as, in order to realize according to each component numerals parameter values, assembly i.e. battery 1, inverse
Become device 3, photovoltaic charger 2, PORT COM step S05 that distribution is corresponding, comprise the steps:
Step S051, according to the number parameter numerical value of battery 1, the communications protocol of the PORT COM that distribution is corresponding；
Step S052, according to the number parameter numerical value of photovoltaic charger 2, the communications protocol of the PORT COM that distribution is corresponding；
Step S053, according to the number parameter numerical value of inverter 3, the communications protocol of the PORT COM that distribution is corresponding；
Step S054, according to the number parameter numerical value of the ammeter of electrical network 4, the communications protocol of the PORT COM that distribution is corresponding.
The EMS of family energy storaging product, provides multiple kinds, communications protocol and group to each PORT COM
Part numbering one_to_one corresponding, it is allowed to during the system integration, according to component differences, selects corresponding communications protocol.Present invention introduces
The family battery 1 of energy-storage system compatibility Multiple Type, photovoltaic charger 2, inverter 3, the communications protocol of ammeter, add family
By the compatibility of energy-storage system.
As it is shown in fig. 7, in being embodied as, the EMS of family energy storaging product provides data acquisition function, number
According to gather need by with battery 1, inverter 3, photovoltaic charger 2, the communication of ammeter, collect these assemblies current state letter
Breath and fault message step S06, comprise the steps:
Step S061, the EMS and the battery 1 that call family energy storaging product carry out communication, gather the shape of battery 1
State data；
Step S062, the EMS and the inverter 3 that call family energy storaging product carry out communication, gather inverter 3
Status data；
Step S063, the ammeter of the EMS and electrical network 4 that call family energy storaging product carries out communication, gathers electrical network
The status data of the ammeter of 4；
Step S064, the EMS and the photovoltaic charger 2 that call family energy storaging product carry out communication, gather photovoltaic
The status data of charger 2.
As shown in Figure 8, in being embodied as, the present invention data to collecting carry out data process, the data after process
Control to use as display and system, step S07, comprise the steps:
Step S071, the status data of battery 1 is processed by data processing unit；
Step S072, the status data of inverter 3 is processed by data processing unit；
Step S073, the status data of photovoltaic charger 2 is processed by data processing unit；
Step S074, the status data of the ammeter of electrical network 4 is processed by data processing unit；
Step S075, fault message is processed by data processing unit.
As it is shown in figure 9, in being embodied as, the invention provides the function of power distribution, the output of data processing function
As the input parameter of power dividing function, power distribution module is output as inverter 3 target active power and photovoltaic charged
Device 2 exports limit value in step S08, comprises the 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 EMS exchange output limit value generating function of family energy storaging product；
Step S084, calls the EMS 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 output of inverter 3 and gains merit target generating function.
From the power allocation step of the present invention it can be seen that the EMS of family energy storaging product divides realizing power
Timing, it is contemplated that the running status of the assemblies such as battery 1, inverter 3, photovoltaic charger 2 and malfunction, for each assembly, carries
For input or the fan-out capability generating function of assembly, add security of system.
As shown in Figure 10, in being embodied as, in order to realize charger output limit value in step S085, comprise the steps:
Step S0851, the charging limit value of input battery 1, the output limit value of input inverter 3；
Step S0852, it is judged that the EMS communication of family energy storaging product is the most normal；If it is, execution step
S0853, if it does not, forbid that photovoltaic charger 2 exports, and provides alarm prompt function；
Step S0853, the output limit value of the charging limit value+inverter 3 of the output limit value=battery 1 of photovoltaic charger 2；Light
The output of volt charger 2 is DC energy, and inverter 3 output is AC energy；
Step S0854, calls EMS and the communication function of photovoltaic charger 2 of family energy storaging product, performs
Write the output limit value order of photovoltaic charger 2.
Currently, portioned product provides the method for the dynamically fan-out capability of change photovoltaic charger, common algorithm photovoltaic
Charger output 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 when system load demand is much smaller than inverter fan-out capability, use the photovoltaic output limit that the present invention provides
The EMS of the family energy storaging product of value-based algorithm, photovoltaic charger 2 can be with the more energy of output.This light can be used
It is to introduce step S086 based on EMS of the present invention that volt charger 2 exports High Limit algorithm.
As shown in figure 11, in being embodied as, in order to realize generating the inverter meritorious desired value of output in step S086, including
Following steps:
Step S0861, parameter inputs；Input parameter includes power and the power of battery 1 of electrical network 4；
Step S0862, meritorious target 1 generates；Meritorious target 1 is the EMS coupling electrical network of family energy storaging product
The power of 4 produces, and coupling target is zero, and electrical network 4 current power is the value of feedback of matching process；
Step S0863, meritorious target 2 generates；Meritorious target 2 is the EMS match battery of family energy storaging product
The power of 1 produces, and coupling 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, it is judged that whether meritorious target 2 is more than meritorious target 1；If it is, perform step S0865, if it does not,
The meritorious target of inverter 3=meritorious target 1；
Step S0865, the meritorious target of inverter 3=meritorious target 2；
Step S0866, calls EMS and the communication function of inverter 3 of family energy storaging product, and execution is write inverse
Become device 3 active power of output command object.
From the power distribution algorithm of the present invention it can be seen that step S085 and step S086 cooperate, S085 carries
The photovoltaic charger High Limit algorithm of confession, can create photovoltaic charger output meeting rechargeable battery and band and carry the same of demand
Time, to the operating mode of electrical network 4 electric discharge, and step S086 provides and excess energy is converted into inverter active power target, and will
This additional energy is transported to electrical network 4, the method creating more profit.
Particular embodiments described above, has been carried out the purpose of the present invention, technical scheme and beneficial effect the most in detail
Describe in detail bright, be it should be understood that the specific embodiment that the foregoing is only the present invention, be not limited to the present invention, all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, should be included in the guarantor of the present invention
Within the scope of protecting.
Claims (9)
1. an EMS for family energy storaging product, described family energy storaging product includes battery (1), photovoltaic charger
(2), inverter (3) and electrical network (4), it is characterised in that: the EMS of described 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, described PORT COM dispensing unit is used for as battery (1), photovoltaic charger (2), inverter
(3) distribute PORT COM with electrical network (4) and configure corresponding communications protocol；
Data acquisition unit, described data acquisition unit be used for collecting battery (1), photovoltaic charger (2), inverter (3) and
The running state information of electrical network (4) and operation troubles information；
Data processing unit, described data processing unit is for adding up and calculate the data that data acquisition unit gathers；
Display unit, described display unit is by providing communication interface, it is allowed to user checks the energy pipe of family energy storaging product
The running status of reason system；
Power distributing unit, the data that power distributing unit gathers according to data acquisition unit so that family energy storaging product is reasonable
Distribution power.
2. an energy management method for family energy storaging product, utilizes a kind of family as claimed in claim 1 energy storaging product
EMS, it is characterised in that: comprise the steps:
Step S01, powers on, and starts the EMS of family energy storaging product；
Step S02, the initialization of the EMS of family energy storaging product；
Step S03, reads battery (1), photovoltaic charger (2), inverter (3) and the port type parameter of electrical network (4) and numbering；
Step S04, according to battery (1), photovoltaic charger (2), inverter (3) and the port type parameter value of electrical network (4), communication
Port dispensing unit distributes corresponding PORT COM；
Step S05, according to battery (1), photovoltaic charger (2), inverter (3) and the numbering of electrical network (4), distributes corresponding communication terminal
The corresponding communications protocol of mouth；
Step S06, data acquisition unit carries out data acquisition；
Step S07, the data of data acquisition unit collection are processed by data processing unit；
Step S08, power distributing unit is that family energy storaging product distributes rational power.
The energy management method of a kind of family the most according to claim 2 energy storaging product, it is characterised in that: described step
S04, comprises the steps:
Step S041, according to the port type parameter values of battery (1), the PORT COM that distribution is corresponding；
Step S042, according to photovoltaic charger (2) port type parameter values, the PORT COM that distribution is corresponding；
Step S043, according to the port type parameter values of inverter (3), the PORT COM that distribution is corresponding；
Step S044, according to the port type parameter values of the ammeter of electrical network (4), the PORT COM that distribution is corresponding.
The energy management method of a kind of family the most according to claim 2 energy storaging product, it is characterised in that: described step
S05, comprises the steps:
Step S051, according to the number parameter numerical value of battery (1), the communications protocol of the PORT COM that distribution is corresponding；
Step S052, according to the number parameter numerical value of photovoltaic charger (2), the communications protocol of the PORT COM that distribution is corresponding；
Step S053, according to the number parameter numerical value of inverter (3), the communications protocol of the PORT COM that distribution is corresponding；
Step S054, according to the number parameter numerical value of the ammeter of electrical network (4), the communications protocol of the PORT COM that distribution is corresponding.
The energy management method of a kind of family the most according to claim 2 energy storaging product, it is characterised in that: described step
S06, comprises the steps:
Step S061, the EMS and the battery (1) that call family energy storaging product carry out communication, gather the shape of battery (1)
State data；
Step S062, the EMS and the inverter (3) that call family energy storaging product carry out communication, gather inverter (3)
Status data；
Step S063, the ammeter of the EMS and electrical network (4) that call family energy storaging product carries out communication, gathers electrical network
(4) status data of ammeter；
Step S064, the EMS and the photovoltaic charger (2) that call family energy storaging product carry out communication, gather photovoltaic and fill
The status data of electrical equipment (2).
The energy management method of a kind of family the most according to claim 2 energy storaging product, it is characterised in that: described step
S07, comprises the steps:
Step S071, the status data of battery (1) is processed by data processing unit；
Step S072, the status data of inverter is processed by data processing unit；
Step S073, the status data of photovoltaic charger (2) is processed by data processing unit；
Step S074, the status data of the ammeter of electrical network (4) is processed by data processing unit；
Step S075, fault message is processed by data processing unit.
The energy management method of a kind of family the most according to claim 2 energy storaging product, it is characterised in that: in step S08,
Comprise the 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 EMS exchange output limit value generating function of family energy storaging product；
Step S084, calls the EMS 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 output of inverter (3) and gains merit target generating function.
The energy management method of a kind of family the most according to claim 7 energy storaging product, it is characterised in that: in step
S085, comprises the steps:
Step S0851, the charging limit value of input battery (1), the output limit value of input inverter (3)；
Step S0852, it is judged that the EMS communication of family energy storaging product is the most normal；If it is, execution step
S0853, if it does not, forbid that photovoltaic charger (2) exports, and provides alarm prompt function；
Step S0853, the output limit value of the charging limit value of the output limit value of photovoltaic charger (2)=battery (1)+inverter (3)；
The output of photovoltaic charger (2) is DC energy, and inverter (3) output is AC energy；
Step S0854, calls EMS and the communication function of photovoltaic charger (2) of family energy storaging product, performs to write
The output limit value order of photovoltaic charger (2).
The energy management method of a kind of family the most according to claim 8 energy storaging product, it is characterised in that: in step
S086, comprises the steps:
Step S0861, parameter inputs；Input parameter includes power and the power of battery (1) of electrical network (4)；
Step S0862, meritorious target 1 generates；Meritorious target 1 is EMS coupling electrical network (4) of family energy storaging product
Power produce, coupling target be zero, electrical network (4) current power is the value of feedback of matching process；
Step S0863, meritorious target 2 generates；Meritorious target 2 is the EMS match battery (1) of family energy storaging product
Power produce, coupling target be battery (1) input limit value, the value of feedback that current power is matching process of battery (1)；
Step S0864, it is judged that whether meritorious target 2 is more than meritorious target 1；If it is, perform step S0865, if it does not, inversion
The meritorious target of device (3)=meritorious target 1；
Step S0865, the meritorious target of inverter (3)=meritorious target 2；
Step S0866, calls EMS and the communication function of inverter (3) of family energy storaging product, performs to write inversion
Device (3) active power of output command object.
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