CN110323760A - A kind of energy-storage system power output concussion suppressing method and suppressor - Google Patents
A kind of energy-storage system power output concussion suppressing method and suppressor Download PDFInfo
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- CN110323760A CN110323760A CN201910386291.5A CN201910386291A CN110323760A CN 110323760 A CN110323760 A CN 110323760A CN 201910386291 A CN201910386291 A CN 201910386291A CN 110323760 A CN110323760 A CN 110323760A
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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
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
Abstract
It contributes this application provides a kind of energy-storage system and shakes suppressing method and suppressor; wherein method includes: that concussion control strategy one is executed when energy-storage battery group Real-time Feedback temperature value, and concussion control strategy two is executed when energy-storage battery group Real-time Feedback overheat protector signal.Technical solution provided by the present application runs battery pack or stoppage in transit state feeds back to BAMS, according to battery pack operation or stoppage in transit state assignment power output, so as to improve battery set management strategy, inhibit energy-storage system power output concussion, so that energy-storage system is adapted to electric power frequency modulation operating condition, energy-storage system power output emergent power concussion is prevented.
Description
Technical field
This application involves electric power network technique field more particularly to a kind of energy-storage system power output concussion suppressing methods and suppressor.
Background technique
It is required according to scheduling protocol, large-scale grid-connected unit need to participate in electric system frequency modulation, i.e., according to electric power system dispatching control
System instruction, increaseds or decreases output power in time, guarantees the generated energy of electric system entirety and the balance of electricity consumption, to guarantee
Power grid operation.Various types unit should all participate in frequency modulation as requested, and be included in power supply examination range.In recent years, fiery
Electric energy storage joint hopping pattern obtains Rapid Popularization application.Thermoelectricity energy storage joint frequency modulation technology can give full play to conventional rack and storage
The respective advantage of energy device is enable to respond quickly the instruction of electric system frequency modulation.This integrated mode generating set is in frequency modulation application
Under environment, the variation of short-time rating needed for energy-storage system assumes responsibility for most of frequency modulation.
Traditional energy-storage system is achieved in that be constituted in series and parallel on a large scale by energy-storage battery group, using battery management system
System BMS and battery pack state-of-charge SOC estimation method, with certain control strategy equilibrium assignment power to battery pack.It is this
Strategy can guarantee the balance of each battery pack of system, under certain running environment, guarantee that the charge and discharge of battery pack are horizontal.
Thermoelectricity energy storage combines frequency modulation application scenarios and is different from general stored energy application scene, and since frequency modulation needs, AGC may
Instruction is frequently assigned, energy-storage system cooperates fired power generating unit teamwork.Energy-storage system does not have to full be full of and puts, long-time average electricity
50% or so, but the short time acts frequently, and energy storage is often in large current charge and discharge condition.Existing battery management system
BMS and SOC estimation method, be based on cell equalization, can equilibrium assignment power to battery pack, in addition have battery pack excess temperature
Protection.But existing method can not adapt to thermoelectricity energy storage joint frequency modulation operating condition completely, have the following problems.
Thermoelectricity energy storage is combined under frequency modulation operating condition, unit and the instruction of energy-storage system quick response electric system frequency modulation, wherein storage
Short-time rating it can change needed for the most of frequency modulation of System Take.Therefore, compared to the operating condition of general energy-storage battery operation, energy storage
System may cause battery pack overheat protector frequently in large current charge and heavy-current discharge operating condition.Specifically, power train
System frequency modulation instruction issuing, BMS charge-discharge electric power instruction issuing to each battery pack, battery pack large current charge or electric discharge, cause
Battery pack heating overheat, battery set management module starting protection program, absorption/output power are reduced to 0, and temperature reduces.Work as temperature
Degree is reduced in safe range, and will execute BMS instruction, and absorption/output power restores normal.It will lead to battery pack again to heat up
Heat, trigger protection, absorption/output power are reduced to 0.Battery pack is recycled with this, causes absorption/output work of energy-storage system entirety
Rate concussion, this power oscillation may cause the concussion of partial electric link circuit.Therefore, the power shake of energy-storage system need to be eliminated
It swings.
Summary of the invention
It contributes this application provides a kind of energy-storage system and shakes suppressing method and suppressor, for eliminating the function of energy-storage system
Rate concussion.
In view of this, the application first aspect provides a kind of energy-storage system power output concussion suppressing method, comprising:
Concussion control strategy one is executed when energy-storage battery group Real-time Feedback temperature value, when energy-storage battery group Real-time Feedback mistake
Concussion control strategy two is executed when temperature protection signal；
The concussion control strategy one includes:
A1, the battery pack temperature for receiving BAMS battery stack management system and protection information are simultaneously parsed；
Whether the battery pack temperature that A2, judgement are incorporated to is greater than preset threshold TH, if so, A3 is thened follow the steps, if it is not, then holding
Row step A5；
A3, starting battery pack protection set battery pack stopping and are incorporated to, and the battery pack is ignored in BMS calculating；
A4, judge whether the battery pack temperature for stopping being incorporated to is less than preset threshold TL, if so, A5 is thened follow the steps, if it is not,
Then follow the steps A3；
A5, it sets the battery pack and is incorporated to, be included in the calculating of BMS charge-discharge electric power；
The concussion control strategy two includes:
B1, the protection information for receiving BAMS battery stack management system are simultaneously parsed；
Whether B2, detection battery pack enter temperature protection, if so, B3 is thened follow the steps, if it is not, thening follow the steps B5；
B3, starting battery pack protection set battery pack stopping and are incorporated to, and the battery pack is ignored in BMS calculating；
B4, judge that the battery pack for stopping being incorporated to enters whether the temperature protection time is greater than preset threshold Tset, if so, holding
Row step B5, if it is not, thening follow the steps B3；
B5, it sets the battery pack and is incorporated to, be included in the calculating of BMS charge-discharge electric power.
Preferably, the step A3 specifically:
It sets battery pack stopping and is incorporated to operation, port power control is 0, feeds back to BAMS.
Preferably, the step B3 specifically:
It sets battery pack stopping and is incorporated to operation, port power control is 0, feeds back to BAMS.
The application second aspect provides a kind of energy-storage system power output concussion inhibition adjustment method, comprising:
S1, on-test；
S2, current BMS control strategy is called；
S3, experiment test is carried out, and obtains predefined parameter；
S4, whether within a preset range predefined parameter is detected, if so, generating test report and terminating, if it is not, then executing
Step S5；
S5, calculating preset threshold Tset or preset threshold TL is assessed according to test result；
S6, the energy-storage system power output concussion suppressing method for increasing first aspect are returned and are executed to current BMS control strategy
Step S3.
Preferably, the step S5 includes:
Preset threshold TL is calculated according to preset threshold TL calculation formula；
The preset threshold TL calculation formula are as follows:
TL=TH-K1*f/T；
Wherein, TH is the temperature protection value of Battery Plant's setting, and f is the frequency of whole power output concussion, and T is assessment temperature decline
Coefficient, K1 are preset the first adjustment coefficient.
Preferably, the step S5 includes:
Preset threshold Tset is calculated according to preset threshold Tset calculation formula；
The preset threshold Tset calculation formula are as follows:
Tset=K2*f/T；
Wherein, f is the frequency of whole power output concussion, and T is assessment temperature descent coefficient, and K2 is preset second adjustment system
Number.
The application third aspect provides a kind of energy-storage system power output concussion suppressor, and the energy-storage system power output concussion inhibits
Device connects the battery stack management system of energy-storage system, and the energy-storage system for executing above-mentioned first aspect, which is contributed, shakes suppressing method
Or execute the energy-storage system power output concussion inhibition adjustment method of above-mentioned second aspect.
Preferably, the battery stack management system by the first interchanger connect data acquisition with supervisor control, after
Platform server and energy accumulation current converter.
Preferably, the battery stack management system connects battery cluster management system by second switch；
The battery cluster management system connects battery management unit.
Preferably, the battery management unit is for completing monomer battery voltage acquisition, multi-point Temperature Collection and battery pack
Balance control function.
As can be seen from the above technical solutions, the application has the following advantages:
It contributes this application provides a kind of energy-storage system and shakes suppressing method and suppressor, wherein method includes: to work as energy storage
Concussion control strategy one is executed when battery pack Real-time Feedback temperature value, is held when energy-storage battery group Real-time Feedback overheat protector signal
Row concussion control strategy two.Technical solution provided by the present application runs battery pack or stoppage in transit state feeds back to BAMS, according to electricity
The operation of pond group or stoppage in transit state assignment power output inhibit energy-storage system power output concussion, so that storage so as to improve battery set management strategy
Energy system is adapted to electric power frequency modulation operating condition, prevents energy-storage system power output emergent power concussion.
Detailed description of the invention
It in ord to more clearly illustrate embodiments of the present application, below will be to required use in embodiment or description of the prior art
Attached drawing be briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for this
For the those of ordinary skill of field, without any creative labor, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of schematic diagram of one embodiment of energy-storage system power output concussion suppressor provided by the present application；
Fig. 2 is the stream of strategy one in a kind of one embodiment of energy-storage system power output concussion suppressing method provided by the present application
Cheng Tu；
Fig. 3 is the stream of strategy two in a kind of one embodiment of energy-storage system power output concussion suppressing method provided by the present application
Cheng Tu；
Fig. 4 is the process of one embodiment that a kind of energy-storage system power output concussion provided by the present application inhibits adjustment method
Figure；
Wherein, appended drawing reference are as follows:
1, data acquisition and supervisor control SCADA (Supervisory Control And
DataAcquisition)；2, background server；3, energy accumulation current converter PCS (Power ConversionSystem)；4, battery
Stack management system BAMS (battery array management system)；5, the energy-storage system power output concussion suppressor
Hardware；6, the first interchanger；7, second switch；8, BCMS is battery cluster management system；9, BMU is battery management unit.
Specific embodiment
It contributes this application provides a kind of energy-storage system and shakes suppressing method and suppressor, for eliminating the function of energy-storage system
Rate concussion.
To enable present invention purpose, feature, advantage more obvious and understandable, below in conjunction with the application
Attached drawing in embodiment, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that disclosed below
Embodiment be only some embodiments of the present application, and not all embodiment.Based on the embodiment in the application, this field
Those of ordinary skill's all other embodiment obtained without making creative work belongs to the application protection
Range.
Firstly, the part noun or term that occur during the embodiment of the present application is described are suitable for as follows
It explains:
Energy-storage system: the energy-storage travelling wave tubes such as lead storage battery, lithium ion battery, energy conversion efficiency is high, through reasonable structure group
It is in parallel with thermal power generation unit bus at energy-storage system, it constitutes thermoelectricity energy storage and combines frequency modulation generating set.For power grid frequency modulation,
The increase and decrease power instruction issued to dispatching of power netwoks mechanism is needed to timely respond to.It is quick that energy-storage system can be realized increase and decrease power bi-directional
It adjusts, power grid needs to increase power, and energy-storage system then enters discharge condition, together with generator, increases to the power that power grid provides
Add；Power grid needs to reduce power, and energy-storage system then enters charged state, absorbs master section power, the function provided to power grid
Rate is reduced.System response time is fast, and degree of regulation is accurate.
Frequency modulation is combined in thermoelectricity energy storage: large-scale grid-connected unit needs to participate in electric system frequency modulation, is contributed and is adjusted according to electric system
Section instruction, adjusts unit output in time.Fired power generating unit adjustable range is big, but regulations speed is low, and the response time is long, degree of regulation
It is not too much ideal.Although energy-storage battery group higher cost, pondage is small, and regulations speed is high, can be realized positive and negative two-way fast
Velocity modulation section, the response time is fast, and degree of regulation is accurate.Thermoelectricity energy storage joint frequency modulation technology can give full play to conventional rack and energy storage fills
The respective advantage set.
SCADA: data acquisition and supervisor control (Supervisory Control And
DataAcquisition)；
PCS: energy accumulation current converter (Power Conversion System)；
BAMS: battery stack management system (battery array management system)；
BCMS: battery cluster management system (battery cluster management system)；
BMU: battery management unit (battery management unit)；
Referring to Fig. 1, a kind of one embodiment of energy-storage system power output concussion suppressor provided by the present application, energy-storage system
Power output concussion suppressor 5 connects the battery stack management system 4 of energy-storage system, and the energy-storage system for executing above-mentioned first aspect goes out
Power shakes suppressing method or executes the energy-storage system power output concussion inhibition adjustment method of above-mentioned second aspect.
Battery stack management system 4 connects data acquisition and supervisor control 1, background server 2 by the first interchanger 6
With energy accumulation current converter 3.
Battery stack management system 4 connects battery cluster management system 8 by second switch 7；
Battery cluster management system 8 connects battery management unit 9.
Battery management unit 9 is for completing monomer battery voltage acquisition, multi-point Temperature Collection and battery pack balancing control function
Energy.
Energy-storage system in the application uses 3 layer-management system of layer-stepping, as shown in Figure 1, including
Bottom: multiple battery management unit BMU (battery management unit) are main to complete single battery electricity
Press acquisition, multi-point Temperature Collection, battery pack balancing control function.
Middle layer: multiple battery cluster management system BCMS (battery cluster management system) are responsible for pipe
Whole BMU in 1 battery strings are managed, BCMS is responsible for total voltage acquisition, the charging and discharging currents acquisition, detection of electrical leakage, event of battery strings
Barrier alarm, calculates battery dump energy percentage and battery health degree, realizes high pressure management, and whole string electricity is completed under BMU collaboration
The Balance route in pond.
Top layer: battery stack management system BAMS is responsible for 1 energy accumulation current converter PCS of management and corresponds to the complete of battery system unit
Portion BCMS, BAMS collect data information and the alarm of each string battery, are summarized to the information of battery system unit, are statisticallyd analyze
And processing, battery system information and alarm are reported with supervisor control SCADA and energy accumulation current converter PCS to data acquisition, it is real
Existing PCS optimal control.The battery stack management system BAMS of energy-storage system power output concussion the suppressor hardware and energy-storage system
(battery array management system) information exchange provides battery pack operation or stoppage in transit status information to BAMS.
Wherein energy-storage system power output concussion suppressor hardware and BAMS communication interface specifically include that BAMS battery pack temperature information, protection
Information is real-time transmitted to the energy-storage system power output concussion suppressor hardware, and energy-storage system power output shakes suppressor hardware for battery
Group operation or stoppage in transit state feed back to BAMS.BAMS is run according to battery pack or stoppage in transit state assignment is contributed, so as to improve battery
Group management strategy inhibits energy-storage system power output concussion.
Fig. 2 and Fig. 3 are please referred to, contributes this application provides a kind of energy-storage system and shakes suppressing method, comprising:
Concussion control strategy one is executed when energy-storage battery group Real-time Feedback temperature value, when energy-storage battery group Real-time Feedback mistake
Concussion control strategy two is executed when temperature protection signal；
Control strategy one is shaken as shown in Fig. 2, concussion control strategy two is as shown in Figure 3；It, which is realized, needs according to energy-storage battery
The case where group, inhibits energy-storage system power output concussion control strategy one using Fig. 2 if energy-storage battery group Real-time Feedback temperature value
It realizes, if energy-storage battery group can only feed back overheat protector signal, energy-storage system power output concussion control plan is inhibited using Fig. 3
Two are omited to realize.
Referring to Fig. 2, concussion control strategy one includes:
A1, the battery pack temperature for receiving BAMS battery stack management system and protection information are simultaneously parsed；
After energy-storage system receives the instruction of AGC frequency modulation, battery management system BMS is instructed according to frequency modulation, calculates and distribute function
Rate adjustment amount (i.e. BMS instruction) arrives each battery pack.
Whether the battery pack temperature that A2, judgement are incorporated to is greater than preset threshold TH, if so, A3 is thened follow the steps, if it is not, then holding
Row step A5；
A3, starting battery pack protection set battery pack stopping and are incorporated to, and the battery pack is ignored in BMS calculating；
Step A3 can be with are as follows: sets battery pack stopping and is incorporated to operation, port power control is 0, feeds back to BAMS.
A4, judge whether the battery pack temperature for stopping being incorporated to is less than preset threshold TL, if so, A5 is thened follow the steps, if it is not,
Then follow the steps A3；
A5, it sets the battery pack and is incorporated to, be included in the calculating of BMS charge-discharge electric power；
Battery pack protection is released, battery pack is incorporated to, and is operated normally, and the calculating of BMS charge-discharge electric power is included in.
Referring to Fig. 3, concussion control strategy two includes:
B1, the protection information for receiving BAMS battery stack management system are simultaneously parsed；
After energy-storage system receives the instruction of AGC frequency modulation, battery management system BMS is instructed according to frequency modulation, calculates and distribute function
Rate adjustment amount (i.e. BMS instruction) arrives each battery pack.
Whether B2, detection battery pack enter temperature protection, if so, B3 is thened follow the steps, if it is not, thening follow the steps B5；
B3, starting battery pack protection set battery pack stopping and are incorporated to, and the battery pack is ignored in BMS calculating；
Step B3 can be with are as follows: sets battery pack stopping and is incorporated to operation, port power control is 0, feeds back to BAMS.
B4, judge that the battery pack for stopping being incorporated to enters whether the temperature protection time is greater than preset threshold Tset, if so, holding
Row step B5, if it is not, thening follow the steps B3；
B5, it sets the battery pack and is incorporated to, be included in the calculating of BMS charge-discharge electric power.
Battery pack is incorporated to, and is operated normally, and the calculating of BMS charge-discharge electric power is included in.
There are two key parameter Tset, TL for energy-storage system power output concussion suppressor software controlling strategies, due to different regions
Weather, temperature, application scenarios are different, need to be calculated by test method and test obtains the parameter, therefore, for key parameter
Selection, propose control strategy debugging test method, obtain most there is parameter Tset, TL by debugging test.
Referring to Fig. 4, the application provides a kind of energy-storage system power output concussion inhibition adjustment method, comprising:
S1, on-test；
S2, current BMS control strategy is called；
Do not increase other control strategies, maintains original BMS control strategy.In the case that system debug is qualified, carry out test
Test.
S3, experiment test is carried out, and obtains predefined parameter；
Experimental test, setting output full power, absorb full power, absorb half-power operating condition output half-power, record energy storage
The power output or absorbing state of system.(output power, that is, energy storage system discharges absorbs power, that is, energy-storage system charging).
S4, whether within a preset range predefined parameter is detected, if so, generating test report and terminating (to survey according to test
Test result writes test report, records detailed parameter and increases comparison before and after control strategy), if it is not, thening follow the steps S5；
Through experimental test, the influence of power adjustment is removed, whether calculates power swing range in expected claimed range；
S5, calculating preset threshold Tset or preset threshold TL is assessed according to test result；
Step S5 includes:
Preset threshold TL is calculated according to preset threshold TL calculation formula；
Preset threshold TL calculation formula are as follows:
TL=TH-K1*f/T；
Wherein, TH is the temperature protection value of Battery Plant's setting, and f is the frequency of whole power output concussion, and T is assessment temperature decline
Coefficient, K1 are preset the first adjustment coefficient.
Step S5 includes:
Preset threshold Tset is calculated according to preset threshold Tset calculation formula；
Preset threshold Tset calculation formula are as follows:
Tset=K2*f/T；
Wherein, f is the frequency of whole power output concussion, and T is assessment temperature descent coefficient, and K2 is preset second adjustment system
Number.
According to test result, assessment calculates TH, TL.TH is the temperature protection value of Battery Plant's setting.It is tested according to step 23
Test result assesses the frequency f of whole power output concussion；According to use environment, assesses temperature and decline coefficient T, is i.e. overheat protector is dynamic
After work, the time required for 1 DEG C of decline；It is variable according to regulation coefficient K1, is suitable for inhibition energy-storage system power output shake
Control strategy one is swung, is computed and obtains TL=TH-K1*f/T.Or according to regulation coefficient K2, it is variable, is suitable for the inhibition
Energy-storage system power output concussion control strategy two, is computed and obtains Tset=K2*f/T.
S6, the energy-storage system power output for increasing above-described embodiment shake suppressing method to current BMS control strategy, and return is held
Row step S3.
Increase energy-storage system power output concussion suppressor software controlling strategies, the step of control strategy is detailed in Fig. 2, Fig. 3.
The application is combined by thermoelectricity energy storage in the energy-storage system of frequency modulation generating set, increases institute in energy-storage system BAMS
State energy-storage system power output concussion suppressor prevents energy-storage system power output from occurring so that energy-storage system is adapted to electric power frequency modulation operating condition
Power oscillation.
The description of the present application and term " first " in above-mentioned attached drawing, " second ", " third ", " the 4th " etc. are (if deposited
) it is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that use in this way
Data are interchangeable under appropriate circumstances, so that embodiments herein described herein for example can be in addition to illustrating herein
Or the sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units need not limit
In step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, produce
The other step or units of product or equipment inherently.
It should be appreciated that in this application, " at least one (item) " refers to one or more, and " multiple " refer to two or two
More than a."and/or" indicates may exist three kinds of relationships, for example, " A and/or B " for describing the incidence relation of affiliated partner
It can indicate: only exist A, only exist B and exist simultaneously tri- kinds of situations of A and B, wherein A, B can be odd number or plural number.Word
Symbol "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or"." at least one of following (a) " or its similar expression, refers to
Any combination in these, any combination including individual event (a) or complex item (a).At least one of for example, in a, b or c
(a) can indicate: a, b, c, " a and b ", " a and c ", " b and c ", or " a and b and c ", and wherein a, b, c can be individually, can also
To be multiple.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the application
Portion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
The above, above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although referring to before
Embodiment is stated the application is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. a kind of energy-storage system power output concussion suppressing method characterized by comprising
Concussion control strategy one is executed when energy-storage battery group Real-time Feedback temperature value, when energy-storage battery group Real-time Feedback excess temperature is protected
Concussion control strategy two is executed when protecting signal；
The concussion control strategy one includes:
A1, the battery pack temperature for receiving BAMS battery stack management system and protection information are simultaneously parsed；
Whether the battery pack temperature that A2, judgement are incorporated to is greater than preset threshold TH, if so, A3 is thened follow the steps, if it is not, then executing step
Rapid A5；
A3, starting battery pack protection set battery pack stopping and are incorporated to, and the battery pack is ignored in BMS calculating；
A4, judge whether the battery pack temperature for stopping being incorporated to is less than preset threshold TL, if so, A5 is thened follow the steps, if it is not, then holding
Row step A3；
A5, it sets the battery pack and is incorporated to, be included in the calculating of BMS charge-discharge electric power；
The concussion control strategy two includes:
B1, the protection information for receiving BAMS battery stack management system are simultaneously parsed；
Whether B2, detection battery pack enter temperature protection, if so, B3 is thened follow the steps, if it is not, thening follow the steps B5；
B3, starting battery pack protection set battery pack stopping and are incorporated to, and the battery pack is ignored in BMS calculating；
B4, judge that the battery pack for stopping being incorporated to enters whether the temperature protection time is greater than preset threshold Tset, if so, executing step
Rapid B5, if it is not, thening follow the steps B3；
B5, it sets the battery pack and is incorporated to, be included in the calculating of BMS charge-discharge electric power.
2. a kind of energy-storage system power output concussion suppressing method according to claim 1, which is characterized in that the step A3 tool
Body are as follows:
It sets battery pack stopping and is incorporated to operation, port power control is 0, feeds back to BAMS.
3. a kind of energy-storage system power output concussion suppressing method according to claim 1, which is characterized in that the step B3 tool
Body are as follows:
It sets battery pack stopping and is incorporated to operation, port power control is 0, feeds back to BAMS.
4. a kind of energy-storage system power output concussion inhibits adjustment method characterized by comprising
S1, on-test；
S2, current BMS control strategy is called；
S3, experiment test is carried out, and obtains predefined parameter；
S4, whether within a preset range predefined parameter is detected, if so, generating test report and terminating, if it is not, thening follow the steps
S5；
S5, calculating preset threshold Tset or preset threshold TL is assessed according to test result；
The energy-storage system power output of S6, increase as described in claims 1 to 3 Arbitrary Term shakes suppressing method to current BMS control
Strategy returns to step S3.
5. a kind of energy-storage system power output concussion according to claim 4 inhibits adjustment method, which is characterized in that the step
S5 includes:
Preset threshold TL is calculated according to preset threshold TL calculation formula；
The preset threshold TL calculation formula are as follows:
TL=TH-K1*f/T；
Wherein, TH is the temperature protection value of Battery Plant's setting, and f is the frequency of whole power output concussion, and T is assessment temperature decline system
Number, K1 are preset the first adjustment coefficient.
6. a kind of energy-storage system power output concussion according to claim 4 inhibits adjustment method, which is characterized in that the step
S5 includes:
Preset threshold Tset is calculated according to preset threshold Tset calculation formula；
The preset threshold Tset calculation formula are as follows:
Tset=K2*f/T；
Wherein, f is the frequency of whole power output concussion, and T is assessment temperature descent coefficient, and K2 is preset second adjustment coefficient.
7. a kind of energy-storage system power output concussion suppressor, which is characterized in that the energy-storage system power output concussion suppressor connection storage
The battery stack management system of energy system inhibits for executing energy-storage system power output concussion as described in any one of claims 1 to 3
Method is executed such as the described in any item energy-storage system power output concussion inhibition adjustment methods of claim 4 to 6.
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