CN109585955A - Data center's energy storage preparation time support method and system - Google Patents
Data center's energy storage preparation time support method and system Download PDFInfo
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- CN109585955A CN109585955A CN201811638989.3A CN201811638989A CN109585955A CN 109585955 A CN109585955 A CN 109585955A CN 201811638989 A CN201811638989 A CN 201811638989A CN 109585955 A CN109585955 A CN 109585955A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention discloses a kind of data center's energy storage preparation time support method; it include: when EMS energy-storage system is under the operating mode of energy storage; the working condition of battery pack and the group voltage of battery pack are obtained in real time, and Protection capacity is limited according to the low pressure that the working condition of battery pack and group voltage obtain battery pack；When the group voltage of battery pack is lower than two protective layer capability value of voltage regulation, then controls EMS energy-storage system and exit energy storage mode, battery pack carries out charging process；When the group voltage of battery pack is not less than two protective layer capability value of voltage regulation, judge whether the residual capacity of battery pack is lower than the first protective layer capability value, if being lower than, controls EMS energy-storage system and exit energy storage mode, battery pack carries out charging process；If the residual capacity of battery pack is not less than the first protective layer capability value, controls EMS and be under energy storage mode and run.The present invention can be judged accurately, so that EMS energy-storage system switch operating state under corresponding capacity.
Description
Technical field
The present invention relates to technical field of battery management more particularly to a kind of data center's energy storage back time support methods
And system.
Background technique
In the application of data center's energy storage, EMS (Energy Management System) is in peak electricity, paddy electricity, ordinary telegram
In the different stages, is charged, discharged by UPS/HVDC, to extract electricity price between peak and valley, but no matter at any period, data
Center energy-storage system is both needed to ensure that the charging time of UPS/HVDC is enough, such as 15 minutes, i.e., EMS system is necessary to ensure that in data
The standby capacitance of battery pack carries out the peak clipping of energy-storage system always at 15 minutes or more again herein in heart energy-storage system on basis
It is valley-fill.Available data center backup power supply system does not have energy-storage function, and only for Electricity Functional, battery default is in floating charge state, not
The arbitrage of daily electricity price between peak and valley is carried out, charge and discharge control also is carried out to UPS/HVDC without EMS control system.
In data-center applications, traditional UPS/HVDC does not have energy-storage function for backup power supply system, with less corresponding
Control strategy can ensure that charging time is enough to ensure data center's energy-storage system at any time.
Summary of the invention
The present invention in the prior art the shortcomings that, provide a kind of data center's energy storage back time support method and
System.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals:
A kind of data center's energy storage preparation time support method, comprising the following steps:
When EMS energy-storage system is under the operating mode of energy storage, the working condition and battery pack of battery pack are obtained in real time
Group voltage, according to the working condition of battery pack and group voltage obtain battery pack low pressure limit Protection capacity；
When the group voltage of battery pack is lower than two protective layer capability value of voltage regulation, then controls EMS energy-storage system and exit energy storage
Mode, battery pack carry out charging process；
When the group voltage of battery pack be not less than two protective layer capability value of voltage regulation when, judge battery pack residual capacity whether
Lower than the first protective layer capability value, if being lower than, controls EMS energy-storage system and exit energy storage mode, battery pack carries out charging process；
If the residual capacity of battery pack is not less than the first protective layer capability value, controls EMS and be under energy storage mode and run.
As an embodiment, the low pressure limitation Protection capacity is that emergency setting occurs for EMS energy-storage system
, when emergency occurs for EMS energy-storage system, group voltage and low pressure the limitation Protection capacity according to battery pack switch battery pack
Working condition.
As an embodiment, the residual capacity of the battery pack is obtained in such a way that SOC is calibrated, specifically
Process is as follows:
According to the electricity consumption service condition in each electricity consumption period, each period is divided into multiple and different status time periods, is wrapped
Include charging time section, the first quiescent time section, the first discharge time section, the second quiescent time section, the second discharge time section and the
Three quiescent times section；
Battery pack group voltage sometime in the first quiescent time section and the second quiescent time section is obtained respectively, is denoted as the
One stationary voltages and the second stationary voltages；
By continuous two electricity consumption periods acquisition the first stationary voltages and the second stationary voltages respectively with initial set value into
Row comparison, if the first stationary voltages and the second stationary voltages in the collected corresponding period change, to this corresponding week
The SOC of phase is calibrated, by adjusting the charging system in the charging time section in respective cycle, so that the in respective cycle
One stationary voltages and the second stationary voltages are consistent with the first stationary voltages of upper a cycle and the second stationary voltages respectively, so that
The residual capacity of acquisition is accurate.
As an embodiment, the electricity of battery pack is full of in charging time section, charging coefficient is denoted as A, the
Battery pack remains static in one quiescent time section, and battery pack is discharged in the first discharge time section, discharge power A,
Second quiescent time section battery pack remains static, and battery pack is discharged in the second discharge time section, discharge power B,
Battery pack remains static in third quiescent time section.
As an embodiment, the charging system in the charging time section by adjusting in respective cycle, makes
The first stationary voltages in respective cycle and the second stationary voltages respectively with the first stationary voltages of upper a cycle and second
Stationary voltages are consistent, detailed process are as follows:
Initial charge coefficient A in charging time is replaced, other charging coefficients are replaced as；
The first stationary voltages and the second stationary voltages are acquired again within next electricity consumption period, judge that first is quiet
Only whether voltage and the second stationary voltages identical with the first stationary voltages of a upper electricity consumption and the second stationary voltages respectively；
If they are the same, then initial charge coefficient is set by other charging systems；If not identical, continue to replace, directly
To the first stationary voltages and the second stationary voltages whether respectively the first stationary voltages and the second stationary voltages with a upper electricity consumption
It is identical, and initial charge coefficient is set by the charging system after displacement.
A kind of data center's energy storage preparation time safeguards system, including voltage obtain module, first judgment module, second
Judgment module and third judgment module；
The voltage obtains module, for being under the operating mode of energy storage when EMS energy-storage system, obtains battery pack in real time
Working condition and battery pack group voltage, according to the working condition of battery pack and group voltage obtain battery pack low pressure limit
Protection capacity；
The first judgment module, for when the group voltage of battery pack is lower than two protective layer capability value of voltage regulation, then controlling
EMS energy-storage system processed exits energy storage mode, and battery pack carries out charging process；
Second judgment module, for sentencing when the group voltage of battery pack is not less than two protective layer capability value of voltage regulation
Whether the residual capacity of disconnected battery pack is lower than the first protective layer capability value, if being lower than, controls EMS energy-storage system and exits energy storage mould
Formula, battery pack carry out charging process；
The third judgment module controls if the residual capacity for battery pack is not less than the first protective layer capability value
EMS is under energy storage mode and runs.
As an embodiment, the voltage obtains module and is arranged to: the low pressure limitation Protection capacity is EMS
Emergency setting occurs for energy-storage system, when emergency occurs for EMS energy-storage system, according to the group voltage of battery pack and low
The working condition of pressure limitation Protection capacity switching battery pack.
As an embodiment, second judgment module is arranged to:
The residual capacity of the battery pack is obtained in such a way that SOC is calibrated, and detailed process is as follows:
According to the electricity consumption service condition in each electricity consumption period, each period is divided into multiple and different status time periods, is wrapped
Include charging time section, the first quiescent time section, the first discharge time section, the second quiescent time section, the second discharge time section and the
Three quiescent times section；
Battery pack group voltage sometime in the first quiescent time section and the second quiescent time section is obtained respectively, is denoted as the
One stationary voltages and the second stationary voltages；
By continuous two electricity consumption periods acquisition the first stationary voltages and the second stationary voltages respectively with initial set value into
Row comparison, if the first stationary voltages and the second stationary voltages in the collected corresponding period change, to this corresponding week
The SOC of phase is calibrated, by adjusting the charging system in the charging time section in respective cycle, so that the in respective cycle
One stationary voltages and the second stationary voltages are consistent with the first stationary voltages of upper a cycle and the second stationary voltages respectively, so that
The residual capacity of acquisition is accurate.
As an embodiment, second judgment module is also configured to: by battery pack in charging time section
Electricity is full of, and charging coefficient is denoted as A, and battery pack remains static in the first quiescent time section, in the first discharge time section
Battery pack is discharged, discharge power A, and the second quiescent time section battery pack remains static, in the second discharge time section
Battery pack is discharged, discharge power B, and battery pack remains static in third quiescent time section.
As an embodiment, second judgment module is also configured to:
Initial charge coefficient A in charging time is replaced, other charging coefficients are replaced as；
The first stationary voltages and the second stationary voltages are acquired again within next electricity consumption period, judge that first is quiet
Only whether voltage and the second stationary voltages identical with the first stationary voltages of a upper electricity consumption and the second stationary voltages respectively；
If they are the same, then initial charge coefficient is set by other charging systems；If not identical, continue to replace, directly
To the first stationary voltages and the second stationary voltages whether respectively the first stationary voltages and the second stationary voltages with a upper electricity consumption
It is identical, and initial charge coefficient is set by the charging system after displacement.
The present invention is due to using above technical scheme, with significant technical effect:
The present invention passes through the control mode of EMS controller, provides a kind of data center's energy storage preparation time support method,
It can accurately judge, so that EMS energy-storage system switch operating state under corresponding capacity.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is multiple protective relation schematic diagram of the present invention；
Fig. 2 is overall flow schematic diagram of the invention；
Fig. 3 is overall structure diagram of the invention.
Specific embodiment
The present invention will be further described in detail below with reference to the embodiments, following embodiment be explanation of the invention and
The invention is not limited to following embodiments.
Embodiment 1:
The reliability for ensuring data center's energy-storage system charging time needs multiple means while ensuring.Firstly, it is necessary to
The residual capacity SOC of battery pack is accurately calculated, while to be converted in conjunction with its SOH, calculates standby electricity SOC according to load factor.
But usual energy storage battery capacity has optimal value, such as 50%DOD, and usuallyTherefore ensure charging time first
Layer protection by consider energy storage demand, there are the SOC of certain allowance to determine, i.e.,
Secondly, carrying out second class protection according to battery voltage in view of SOC calculates error.Energy storage for data center
Battery is lead carbon battery, and battery voltage exists with SOC to be centainly associated with.Voltage value is more intuitive, is used as second layer guarantor
Shield, i.e. Cv。
Finally, a lowest limit protection value is set at the end UPS/HVDC in view of fortuitous events such as the extreme exceptions of system, even if
EMS system is not present, and UPS/HVDC can also carry out automatic according to battery voltage, the protection value being arranged in advance in conjunction with EMS system
Switching working mode, to ensure that the reliability of charging time, the battery voltage lowest limit protection value at the end UPS/HVDC are used as third
Layer protection, corresponding capacity are denoted as
If the capacity for guaranteeing charging time is denoted asThen the relationship of above-mentioned triple protection is as shown in Figure 1.And it is specific
Method and step is needed referring to method in detail below.
A kind of data center's energy storage preparation time support method, as shown in Figure 2, comprising the following steps:
S100, it is under the operating mode of energy storage when EMS energy-storage system, obtains the working condition and electricity of battery pack in real time
The group voltage of pond group limits Protection capacity according to the low pressure that the working condition of battery pack and group voltage obtain battery pack；
S200, when the group voltage of battery pack be lower than two protective layer capability value of voltage regulation when, then control EMS energy-storage system and exit
Energy storage mode, battery pack carry out charging process；
S300, when the group voltage of battery pack is not less than two protective layer capability value of voltage regulation, judge that the remaining of battery pack is held
Whether amount controls EMS energy-storage system and exits energy storage mode, battery pack is filled lower than the first protective layer capability value if being lower than
Electric treatment；
If the residual capacity of S400, battery pack is not less than the first protective layer capability value, controls EMS and be under energy storage mode
Operation.
This method passes through the control mode of EMS controller, provides a kind of data center's energy storage preparation time support method,
It can accurately judge, so that EMS energy-storage system switch operating state.
In above step, the first protective layer capacity is expressed as Cxx, the second protective layer capacity is expressed as Cv, third protective layer appearance
Amount is expressed as
More specifically, the low pressure limitation Protection capacity is that emergency setting occurs for EMS energy-storage system, works as EMS
When emergency occurs for energy-storage system, the work shape of group voltage and low pressure the limitation Protection capacity switching battery pack according to battery pack
State.
In step S300, the residual capacity of the battery pack is obtained in such a way that SOC is calibrated, and detailed process is such as
Under:
S310, according to the electricity consumption service condition in each electricity consumption period, each period is divided into multiple and different state for time
Section, including charging time section, the first quiescent time section, the first discharge time section, the second quiescent time section, the second discharge time section
With third quiescent time section；
S320, battery pack group voltage sometime in the first quiescent time section and the second quiescent time section is obtained respectively,
It is denoted as the first stationary voltages and the second stationary voltages；
S330, the first stationary voltages of acquisition of continuous two electricity consumption periods and the second stationary voltages are set respectively and initially
Value compares, if the first stationary voltages and the second stationary voltages in the collected corresponding period change, to this phase
The SOC in period is answered to be calibrated, by adjusting the charging system in the charging time section in respective cycle, so that in respective cycle
The first stationary voltages and the second stationary voltages it is consistent with the first stationary voltages of upper a cycle and the second stationary voltages respectively,
So that the residual capacity obtained is accurate.
The electricity of battery pack is full of in step S310, charging time section, charging coefficient is denoted as A, when first is static
Between in section battery pack remain static, battery pack is discharged in the first discharge time section, and discharge power A, second is static
Period battery pack remains static, and battery pack is discharged in the second discharge time section, discharge power B, and third is static
Battery pack remains static in period.More specifically segmentation may refer to following segmented mode, charging time section T0 (23
When~6 when)
First quiescent time section T1 (when 7~9 when)
First discharge time section T2 (when 10~14 when)
Second quiescent time section T3 (when 15~17 when)
Second discharge time section T4 (when 18~20 when)
Third quiescent time section T5 (when 21~22 when)
And it is directed to the time of the above period, user can voluntarily adjust according to electricity consumption usage amount.
In charging time section T0, fully charged to battery pack, this charging coefficient is A, and at this moment SOC is 100%, quiet by first
Only period T1, battery pack is static, discharges in the first discharge time T2, and the power set is A, the second quiescent time section
T3, battery pack is static, and the second discharge time section T4 discharges later, and the power set is as B, then third quiescent time section
T5, re-enter charging time section T0, is recycled with this.The initial set value is first acquired in first electricity consumption period
Stationary voltages and the second stationary voltages.That is, first day (24 hours) will complete a use after the completion of installation system
In the electric period, collected first stationary voltages and the second stationary voltages are by as initial set value within this period.It adopts later
Collect the first stationary voltages in other periods and the second stationary voltages all will be with collected first stationary voltages of most original and
Two stationary voltages compare respectively, to judge whether SOC is accurate, if inaccurate, just to the charging time section T0 of whole cycle
Charging coefficient be adjusted, to ensure the correctness of SOC.
By continuous two electricity consumption periods acquisition the first stationary voltages and the second stationary voltages respectively with initial set value into
Row comparison, if the first stationary voltages and the second stationary voltages in the collected corresponding period change, to this corresponding week
The SOC of phase is calibrated, and so that SOC can just calculated is more accurate, if battery pack one it is straightforward it is good in the case where: according to
Endless form, the 1st day, the 2nd day.When the N days, upper SOC is the same at some time point；Such as electric discharge in the 1st day first
Period T2 (if 10 when) SOC is 90%, and (if 10 when) SOC also should be then the first discharge time section T2 after N days
90%, the initial value of whole cycle is charging coefficient A, discharge power A and discharge power B；But if battery pack because itself because
Plain (such as aging, corrosion etc.) occurs as shown in Fig. 2, what is indicated is remaining capacity SOC attenuation, in this case with regard to needing
Charging current coefficient is adjusted in charging time section T0 to guarantee the correctness of SOC.
It is specific as follows: to do electricity respectively in the first quiescent time section T1 (when 9) and the second quiescent time section T3 (when 16) daily
Pond group group voltage acquisition, being included in data respectively is the first stationary voltages and the second stationary voltages；Every a time cycle, determine
Under be included in the first stationary voltages of data and the second stationary voltages it is whether bigger than normal and it is less than normal, carry out data analysis, if do not had
Variation, shows that SOC is normal, if there is a change, will need to carry out charging coefficient adjustment, to ensure the correctness of SOC.
It is specific as follows: to do electricity respectively in the first quiescent time section T1 (when 9) and the second quiescent time section T3 (when 16) daily
Pond group group voltage acquisition, being included in data respectively is the first stationary voltages and the second stationary voltages；Every a time cycle, determine
Under be included in the first stationary voltages of data and the second stationary voltages it is whether bigger than normal and it is less than normal, carry out data analysis, if do not had
Variation, shows that SOC is normal, if there is a change, will need to carry out charging coefficient adjustment, to ensure the correctness of SOC.
In detailed below the step of, is how to calibrate SOC's.
In step S330, charging system in the charging time section by adjusting in respective cycle, so that accordingly
The first stationary voltages and the second stationary voltages in period respectively with the first stationary voltages of upper a cycle and the second static electricity
Pressure is consistent, detailed process are as follows:
S331, the initial charge coefficient A in the charging time is replaced, is replaced as other charging coefficients；
S332, the first stationary voltages and the second stationary voltages are acquired again within next electricity consumption period, are judged
First stationary voltages and the second stationary voltages whether be with the first stationary voltages of a upper electricity consumption and the second stationary voltages respectively
It is no identical；
S333, if they are the same, then set initial charge coefficient for other charging systems；If not identical, continue to set
It changes, until whether the first stationary voltages and the second stationary voltages are static with the first stationary voltages of a upper electricity consumption and second respectively
Voltage is identical, and sets initial charge coefficient for the charging system after displacement.
Embodiment 2:
A kind of data center's energy storage preparation time safeguards system, as shown in figure 3, including that voltage obtains module 100, first
Judgment module 200, the second judgment module 300 and third judgment module 400；
The voltage obtains module 100, for being under the operating mode of energy storage when EMS energy-storage system, obtains electricity in real time
The working condition of pond group and the group voltage of battery pack obtain the low pressure of battery pack according to the working condition of battery pack and group voltage
Limit Protection capacity；
The first judgment module 200, for when the group voltage of battery pack be lower than two protective layer capability value of voltage regulation when, then
Control EMS energy-storage system exits energy storage mode, and battery pack carries out charging process；
Second judgment module 300, for when the group voltage of battery pack be not less than two protective layer capability value of voltage regulation when,
Judge whether the residual capacity of battery pack is lower than the first protective layer capability value, if being lower than, controls EMS energy-storage system and exit energy storage
Mode, battery pack carry out charging process；
The third judgment module 400 is controlled if the residual capacity for battery pack is not less than the first protective layer capability value
EMS processed is under energy storage mode and runs.
Further, the voltage obtains module and is arranged to: the low pressure limitation Protection capacity is EMS energy-storage system
Emergency setting occurs, when emergency occurs for EMS energy-storage system, group voltage and the low pressure limitation according to battery pack are protected
Protect the working condition of capacity switching battery pack.
In the present embodiment, second judgment module 300 is arranged to: the residual capacity of the battery pack is to pass through
What the mode of SOC calibration obtained, detailed process is as follows:
According to the electricity consumption service condition in each electricity consumption period, each period is divided into multiple and different status time periods, is wrapped
Include charging time section, the first quiescent time section, the first discharge time section, the second quiescent time section, the second discharge time section and the
Three quiescent times section；
Battery pack group voltage sometime in the first quiescent time section and the second quiescent time section is obtained respectively, is denoted as the
One stationary voltages and the second stationary voltages；
By continuous two electricity consumption periods acquisition the first stationary voltages and the second stationary voltages respectively with initial set value into
Row comparison, if the first stationary voltages and the second stationary voltages in the collected corresponding period change, to this corresponding week
The SOC of phase is calibrated, by adjusting the charging system in the charging time section in respective cycle, so that the in respective cycle
One stationary voltages and the second stationary voltages are consistent with the first stationary voltages of upper a cycle and the second stationary voltages respectively, so that
The residual capacity of acquisition is accurate.
Second judgment module 300 is also configured to: being full of the electricity of battery pack in charging time section, charging coefficient
It is denoted as A, battery pack remains static in the first quiescent time section, and battery pack is discharged in the first discharge time section, puts
Electrical power is A, and the second quiescent time section battery pack remains static, and battery pack is discharged in the second discharge time section, is put
Electrical power is B, and battery pack remains static in third quiescent time section.
In further detail, second judgment module 300 is also configured to:
Initial charge coefficient A in charging time is replaced, other charging coefficients are replaced as；
The first stationary voltages and the second stationary voltages are acquired again within next electricity consumption period, judge that first is quiet
Only whether voltage and the second stationary voltages identical with the first stationary voltages of a upper electricity consumption and the second stationary voltages respectively；
If they are the same, then initial charge coefficient is set by other charging systems；If not identical, continue to replace, directly
To the first stationary voltages and the second stationary voltages whether respectively the first stationary voltages and the second stationary voltages with a upper electricity consumption
It is identical, and initial charge coefficient is set by the charging system after displacement.
Data center's energy storage scheme needs to meet standby electric reliability and 2 broad aspect demand of economy, generally to meet standby electricity
Reliability, next is only the economy of energy storage.For the standby electric scheme of conventional data centers without energy storage demand, battery pack is chronically at floating charge
State, all told of battery pack it is natural for ensuring standby electric reliability.And data center's energy storage scheme is then different, daily all
Charge and discharge are carried out, needs accurately to control the capacity of charge and discharge, just can guarantee the reliability of charging time.The present invention passes through
The control mode of EMS controller provides a kind of data center's energy storage preparation time support method, can accurately make and sentence
It is disconnected, so that EMS energy-storage system switch operating state.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of embodiment of the method.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, apparatus or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the present invention, the flow chart of terminal device (system) and computer program product
And/or block diagram describes.It should be understood that each process in flowchart and/or the block diagram can be realized by computer program instructions
And/or the combination of the process and/or box in box and flowchart and/or the block diagram.It can provide these computer programs to refer to
Enable the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminal devices with
A machine is generated, so that generating by the instruction that computer or the processor of other programmable data processing terminal devices execute
For realizing the function of being specified in one or more flows of the flowchart and/or one or more blocks of the block diagram
Device.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
It should be understood that
" one embodiment " or " embodiment " mentioned in specification means the special characteristic described in conjunction with the embodiments, structure
Or characteristic is included at least one embodiment of the present invention.Therefore, the phrase " reality that specification various places throughout occurs
Apply example " or " embodiment " the same embodiment might not be referred both to.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of parts and components are named
Title etc. can be different.The equivalent or simple change that all structure, feature and principles described according to the invention patent design are done, is wrapped
It includes in the scope of protection of the patent of the present invention.Those skilled in the art can be to described specific implementation
Example is done various modifications or additions or is substituted in a similar manner, and without departing from structure of the invention or surmounts this
Range as defined in the claims, is within the scope of protection of the invention.
Claims (10)
1. a kind of data center's energy storage preparation time support method, which comprises the following steps:
When EMS energy-storage system is under the operating mode of energy storage, the working condition of battery pack and the group of battery pack are obtained in real time
Voltage limits Protection capacity according to the low pressure that the working condition of battery pack and group voltage obtain battery pack；
When the group voltage of battery pack is lower than two protective layer capability value of voltage regulation, then controls EMS energy-storage system and exits energy storage mode,
Battery pack carries out charging process；
When the group voltage of battery pack is not less than two protective layer capability value of voltage regulation, judge whether the residual capacity of battery pack is lower than
First protective layer capability value controls EMS energy-storage system and exits energy storage mode, battery pack carries out charging process if being lower than；
If the residual capacity of battery pack is not less than the first protective layer capability value, controls EMS and be under energy storage mode and run.
2. data center's energy storage preparation time support method according to claim 1, which is characterized in that the low pressure limit
Protection capacity processed is that emergency setting occurs for EMS energy-storage system, when emergency occurs for EMS energy-storage system, according to electricity
The working condition of group voltage and low pressure the limitation Protection capacity switching battery pack of pond group.
3. data center's energy storage preparation time support method according to claim 1, which is characterized in that the battery pack
Residual capacity be SOC calibrate by way of obtain, detailed process is as follows:
According to the electricity consumption service condition in each electricity consumption period, each period is divided into multiple and different status time periods, including fill
Electric period, the first quiescent time section, the first discharge time section, the second quiescent time section, the second discharge time section and third are quiet
The only period；
Battery pack group voltage sometime in the first quiescent time section and the second quiescent time section is obtained respectively, and it is quiet to be denoted as first
Only voltage and the second stationary voltages；
First stationary voltages of acquisition of continuous two electricity consumption periods and the second stationary voltages are carried out with initial set value pair respectively
Than if the first stationary voltages and the second stationary voltages in the collected corresponding period change, to this respective cycle
SOC is calibrated, by adjusting the charging system in the charging time section in respective cycle, so that first in respective cycle is quiet
Only voltage and the second stationary voltages are consistent with the first stationary voltages of upper a cycle and the second stationary voltages respectively, so that obtaining
Residual capacity it is accurate.
4. data center's energy storage preparation time support method according to claim 3, which is characterized in that charging time section
Interior to be full of the electricity of battery pack, charging coefficient is denoted as A, and battery pack remains static in the first quiescent time section, and first
Battery pack is discharged in discharge time section, discharge power A, and the second quiescent time section battery pack remains static, and second
Battery pack is discharged in discharge time section, discharge power B, and battery pack remains static in third quiescent time section.
5. data center's energy storage preparation time support method according to claim 4, which is characterized in that described to pass through tune
The charging system in charging time section in whole respective cycle, so that the first stationary voltages and the second static electricity in respective cycle
Press consistent with the first stationary voltages of upper a cycle and the second stationary voltages respectively, detailed process are as follows:
Initial charge coefficient A in charging time is replaced, other charging coefficients are replaced as；
The first stationary voltages and the second stationary voltages are acquired again within next electricity consumption period, judge the first static electricity
Whether whether pressure and the second stationary voltages identical with the first stationary voltages of a upper electricity consumption and the second stationary voltages respectively；
If they are the same, then initial charge coefficient is set by other charging systems；If not identical, continue to replace, Zhi Dao
Whether one stationary voltages are identical with the second stationary voltages with the first stationary voltages of a upper electricity consumption respectively with the second stationary voltages,
And initial charge coefficient is set by the charging system after displacement.
6. a kind of data center's energy storage preparation time safeguards system, which is characterized in that obtain module, the first judgement including voltage
Module, the second judgment module and third judgment module；
The voltage obtains module, for being under the operating mode of energy storage when EMS energy-storage system, obtains the work of battery pack in real time
The group voltage for making state and battery pack limits protection according to the low pressure that the working condition of battery pack and group voltage obtain battery pack
Capacity；
The first judgment module, for when the group voltage of battery pack is lower than two protective layer capability value of voltage regulation, then controlling EMS
Energy-storage system exits energy storage mode, and battery pack carries out charging process；
Second judgment module, for judging electricity when the group voltage of battery pack is not less than two protective layer capability value of voltage regulation
Whether the residual capacity of pond group is lower than the first protective layer capability value, if being lower than, controls EMS energy-storage system and exits energy storage mode,
Battery pack carries out charging process；
The third judgment module controls at EMS if the residual capacity for battery pack is not less than the first protective layer capability value
It is run under energy storage mode.
7. data center's energy storage preparation time safeguards system according to claim 6, which is characterized in that the voltage obtains
Modulus block is arranged to: the low pressure limitation Protection capacity is that emergency setting occurs for EMS energy-storage system, when EMS energy storage
When emergency occurs for system, the working condition of group voltage and low pressure the limitation Protection capacity switching battery pack according to battery pack.
8. data center's energy storage preparation time safeguards system according to claim 6, which is characterized in that described second sentences
Disconnected module is arranged to:
The residual capacity of the battery pack is obtained in such a way that SOC is calibrated, and detailed process is as follows:
According to the electricity consumption service condition in each electricity consumption period, each period is divided into multiple and different status time periods, including fill
Electric period, the first quiescent time section, the first discharge time section, the second quiescent time section, the second discharge time section and third are quiet
The only period；
Battery pack group voltage sometime in the first quiescent time section and the second quiescent time section is obtained respectively, and it is quiet to be denoted as first
Only voltage and the second stationary voltages；
First stationary voltages of acquisition of continuous two electricity consumption periods and the second stationary voltages are carried out with initial set value pair respectively
Than if the first stationary voltages and the second stationary voltages in the collected corresponding period change, to this respective cycle
SOC is calibrated, by adjusting the charging system in the charging time section in respective cycle, so that first in respective cycle is quiet
Only voltage and the second stationary voltages are consistent with the first stationary voltages of upper a cycle and the second stationary voltages respectively, so that obtaining
Residual capacity it is accurate.
9. data center's energy storage preparation time safeguards system according to claim 8, which is characterized in that described second sentences
Disconnected module is also configured to: being full of the electricity of battery pack in charging time section, charging coefficient is denoted as A, in the first quiescent time
Battery pack remains static in section, and battery pack is discharged in the first discharge time section, discharge power A, second it is static when
Between section battery pack remain static, the second discharge time section in battery pack discharge, discharge power B, when third is static
Between in section battery pack remain static.
10. data center's energy storage preparation time safeguards system according to claim 9, which is characterized in that described second
Judgment module is also configured to:
Initial charge coefficient A in charging time is replaced, other charging coefficients are replaced as；
The first stationary voltages and the second stationary voltages are acquired again within next electricity consumption period, judge the first static electricity
Whether whether pressure and the second stationary voltages identical with the first stationary voltages of a upper electricity consumption and the second stationary voltages respectively；
If they are the same, then initial charge coefficient is set by other charging systems；If not identical, continue to replace, Zhi Dao
Whether one stationary voltages are identical with the second stationary voltages with the first stationary voltages of a upper electricity consumption respectively with the second stationary voltages,
And initial charge coefficient is set by the charging system after displacement.
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| CN113922458A (en) * | 2021-10-20 | 2022-01-11 | 深圳市灵适智慧能源有限公司 | Flexibly-configurable storage integrated battery control method and system |
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