CN109995097A - Electrification control method and device, system, computer installation and storage medium - Google Patents
Electrification control method and device, system, computer installation and storage medium Download PDFInfo
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- CN109995097A CN109995097A CN201711484222.5A CN201711484222A CN109995097A CN 109995097 A CN109995097 A CN 109995097A CN 201711484222 A CN201711484222 A CN 201711484222A CN 109995097 A CN109995097 A CN 109995097A
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- battery cluster
- energy
- storage system
- clusters
- normal battery
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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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- 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
- H02J15/00—Systems for storing electric energy
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- 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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of electrification control method and device, system, computer installation and storage medium, is applied in large-scale more battery cluster energy-storage systems.When electrification control method provided by the invention is included in the energy-storage system and is in low pressure power-up state, judge whether the maximum value of the pressure difference between each battery cluster in the energy-storage system is less than preset pressure value；If the determination result is YES, then the number of clusters of the normal battery cluster in the energy-storage system is obtained；If the number of clusters of the normal battery cluster is greater than the first default number of clusters, each normal battery cluster is pre-charged；Obtain the number of clusters of the precharge normal battery cluster in the energy-storage system；If the number of clusters of the precharge normal battery cluster is greater than the second default number of clusters, the power-up state of the energy-storage system is adjusted to normal power-up state.Using electrification control method provided by the present invention, the safety and service efficiency of large-scale energy-storage system can be preferably taken into account.
Description
Technical field
The present invention relates to large-scale energy-storage system field more particularly to a kind of electrification control methods and device, system, computer
Device and storage medium.
Background technique
This part intends to provides background for the embodiments of the present invention stated in claims and specific embodiment
Or context.Description herein recognizes it is the prior art not because not being included in this section.
Currently, the large size energy-storage system technology as composed by multiple battery cluster parallel connections is not yet immature, in view of large-scale energy storage
The battery of system setting is more, and safety is most important.At the same time, the service efficiency of large-scale energy-storage system can be largely
Ground influences the income of energy-storage system entirety, however existing large-scale energy-storage system still cannot preferably take into account security of system and make
Use efficiency.
Summary of the invention
In view of above-mentioned, the present invention provides a kind of electrification control method and device, system, computer installation and storage medium,
Can preferably take into account the safety and service efficiency of large-scale energy-storage system.
First aspect present invention provides a kind of electrification control method, is applied in large-scale more battery cluster energy-storage systems, described
Method includes:
When the energy-storage system is in low pressure power-up state, the pressure between each battery cluster in the energy-storage system is judged
Whether the maximum value of difference is less than preset pressure value；
If the determination result is YES, then the number of clusters of the normal battery cluster in the energy-storage system is obtained；
If the number of clusters of the normal battery cluster is greater than the first default number of clusters, preliminary filling is carried out to each normal battery cluster
Electricity；
Obtain the number of clusters of the precharge normal battery cluster in the energy-storage system；
If the number of clusters of the precharge normal battery cluster is greater than the second default number of clusters, powering on for the energy-storage system is adjusted
State is to normal power-up state.
Further, it is described to each normal battery cluster carry out precharge include:
Obtain the voltage value of each normal battery cluster；
Each normal battery cluster is carried out in advance with descending according to the size of the voltage value of each normal battery cluster
Charging.
Further, power-up state to the normal power-up state of the adjustment energy-storage system includes:
If the number of clusters of the precharge normal battery cluster is greater than the described second default number of clusters, judge that the energy-storage system is
It is no to meet insulating requirements；
If the determination result is YES, then the power-up state of the energy-storage system is adjusted to normal power-up state.
Further, it is described to each normal battery cluster carry out precharge with obtain it is pre- in the energy-storage system
Between the number of clusters of charging normal battery cluster, the method also includes:
Obtain the preliminary filling current value that each normal battery cluster is pre-charged；
If the preliminary filling current value is less than the pre-set current value, it is determined that the corresponding normal battery cluster is precharge
Normal battery cluster.
Further, described after the preliminary filling current value that each normal battery cluster of acquisition is pre-charged
Method further include:
If the preliminary filling current value is greater than or equal to the pre-set current value, it is determined that corresponding normal battery cluster is preliminary filling
Electrical anomaly battery cluster；
Maintenance processing is carried out to the preliminary filling electrical anomaly battery cluster.
Second aspect of the present invention provides a kind of upper controller for electric consumption, is applied in large-scale more battery cluster energy-storage systems, described
Upper controller for electric consumption includes:
Judgment module, for judging each in the energy-storage system when the energy-storage system is in low pressure power-up state
Whether the maximum value of the pressure difference between a battery cluster is less than preset pressure value；
Module is obtained, the maximum value for the pressure difference between each battery cluster in the energy-storage system is less than preset pressure
When value, the number of clusters of the normal battery cluster in the energy-storage system is obtained；And the precharge obtained in the energy-storage system is normally electric
The number of clusters of pond cluster；
Pre-charge module, for the number of clusters in the normal battery cluster be greater than the first default number of clusters when, to it is each it is described just
Normal battery cluster is pre-charged；
Module is adjusted, for when the number of clusters of the precharge normal battery cluster is greater than the second default number of clusters, described in adjustment
The power-up state of energy-storage system is to normal power-up state.
Further, the voltage value for obtaining module and being also used to obtain each normal battery cluster；
The pre-charge module is also used to according to the size of the voltage value of each normal battery cluster with descending to each
The normal battery cluster is pre-charged.
Further, the judgment module is greater than the described second default number of clusters in the number of clusters of the precharge normal battery cluster
When, specifically for judging whether the energy-storage system meets insulating requirements；
The adjustment module powers on shape when the energy-storage system meets insulating requirements, for adjust the energy-storage system
State is to normal power-up state.
Further, the acquisition module is also used to obtain the preliminary filling electric current that each normal battery cluster is pre-charged
Value；
Determining module is corresponding described normal for determining when the preliminary filling current value is less than the pre-set current value
Battery cluster is precharge normal battery cluster.
Further, the determining module is also used to be greater than or equal to the pre-set current value in the preliminary filling current value
When, determine that corresponding normal battery cluster is preliminary filling electrical anomaly battery cluster；
The pre-charge module is also used to carry out maintenance processing to the preliminary filling electrical anomaly battery cluster.
Third aspect present invention also provides a kind of upper electric control system, including upper controller for electric consumption as described above.
Fourth aspect present invention also provides a kind of computer installation, and the computer dress is purchased including processor, the place
The step of reason device is for realizing electrification control method as described above when executing the computer program stored in memory.
Fifth aspect present invention also provides a kind of computer readable storage medium, is stored thereon with computer program, described
The step of electrification control method as described above is realized when computer program is executed by processor.
Electrification control method and device provided by the invention, computer readable storage medium, are in the energy-storage system
When low pressure power-up state, by judging it is default whether the maximum value of the pressure difference between each battery cluster in the energy-storage system is less than
Pressure difference, and the maximum value of the pressure difference between each battery cluster in the energy-storage system be less than preset pressure value when, just permission
The progress of process is further powered on, to realize pressure difference safety detection, promotes the safety that energy-storage system powers on.It is examined safely in pressure difference
After survey passes through, the number of clusters of the normal battery cluster in the energy-storage system is obtained, and reach greater than in the number of clusters of normal battery cluster
When the requirement of one default number of clusters, just allow further to power on the progress of process, so as to meet the service requirement of the energy-storage system.
After being pre-charged to each normal battery cluster, the cluster of the precharge normal battery cluster in the energy-storage system is obtained
Number, and when the number of clusters of the precharge normal battery cluster is greater than the second default number of clusters, just adjust powering on for the energy-storage system
State is to normal power-up state.By the setting of precharge step, the voltage of each normal battery cluster can be pulled to equal or phase
Close voltage prevents from further promoting energy-storage system there are the excessive bring security risk of circulation between each normal battery cluster
The safety powered on.At the same time, the cluster for being greater than the first default number of clusters in the number of clusters of normal battery cluster, being pre-charged normal battery cluster
When number is greater than the second default number of clusters, energy-storage system is normally powered on, the operation that staff can be current according to energy-storage system
Demand determines the described first default number of clusters and the second default number of clusters, thus takes into account the service efficiency of energy-storage system, even if part electricity
Pond cluster goes wrong, and in the case where meeting energy-storage system operation demand, other battery clusters not gone wrong remain to support storage
The operation of energy system.
Further, the present invention can be each by obtaining when the number of clusters of the normal battery cluster is greater than the first default number of clusters
The voltage value of a normal battery cluster, according to the size of the voltage value of each normal battery cluster with descending to each normal
Battery cluster is pre-charged, to be beneficial to prevent the problem that circulation is excessive between each normal battery cluster, further promotes storage
The safety of energy system
Further, the present invention can pass through when the number of clusters of the precharge normal battery cluster is greater than the second default number of clusters
Judge whether the energy-storage system meets insulating requirements, and when the energy-storage system meets insulating requirements, just adjusts the storage
The power-up state of energy system brings safety hidden to reduce to normal power-up state because the energy-storage system is unsatisfactory for insulating requirements
A possibility that suffering from, further promotes the safety that the energy-storage system powers on.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of embodiment of the present invention
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the flow chart of the electrification control method of first embodiment of the invention；
Fig. 2 is the flow chart of the electrification control method of second embodiment of the invention；
Fig. 3 is the flow chart of the electrification control method of third embodiment of the invention；
Fig. 4 is the illustrative functional block diagram for the upper controller for electric consumption that an embodiment of the present invention provides；
Fig. 5 is the illustrative structural schematic diagram for the upper electric control system that an embodiment of the present invention provides；
Fig. 6 is the illustrative structural schematic diagram for the computer installation that an embodiment of the present invention provides.
Main element symbol description
Computer installation 1
Processor 10
Memory 20
Detection device 30
Upper controller for electric consumption 100
Judgment module 11
Obtain module 12
Pre-charge module 13
Adjust module 14
Determining module 15
Upper electric control system 2
Electrical parameters detection device 21
Insulation detection device 22
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention will be described in detail.It should be noted that in the absence of conflict, presently filed embodiment and reality
The feature applied in mode can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, described embodiment
Only some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to guarantor of the present invention
The range of shield.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
Fig. 1 is the flow chart of the electrification control method of first embodiment of the invention, it should be noted that embodiment party of the present invention
The electrification control method of formula is not limited to step and sequence in flow chart shown in FIG. 1.Shown according to different requirements,
Step in flow chart can increase, remove or change sequence.
As shown in Figure 1, the electrification control method of present embodiment, it is applied in large-scale more battery cluster energy-storage systems, it can be with
Include the following steps:
Step 101: when the energy-storage system is in low pressure power-up state, judging each battery in the energy-storage system
Whether the maximum value of the pressure difference between cluster is less than preset pressure value.
In present embodiment, the low pressure power-up state can be the battery management system (Battery of the energy-storage system
Management System, BMS) currently with the state of the power voltage supply of 12/24V.
It is understood that the energy-storage system may include multiple battery clusters, and there may be one between multiple battery clusters
Fixed pressure difference.
In present embodiment, the preset pressure value lays situation and operating condition institute for the entire energy-storage system electric power of synthesis
Obtained reference value, to meet the safe pressure differential demand of operation energy-storage system.
It is understood that can be by the detection circuit of the battery management system of the energy-storage system to each battery cluster
Voltage is detected, and can get the pressure difference between each battery cluster with this, so that the comparison by pressure difference obtains pressure difference
Maximum value, and then the maximum value for the pressure difference that can be will acquire is compared with preset pressure value to obtain judging result.
Step 102: if the determination result is YES, then obtaining the number of clusters of the normal battery cluster in the energy-storage system.
In present embodiment, the number of clusters of the normal battery cluster is when the energy-storage system is in low pressure power-up state
And/or the quantity of battery cluster that period can operate normally.
It is understood that described can operate normally normally can discharge and/or be electrically charged for battery cluster,
Whether can obtaining normal based on independent battery detection circuit as a result, also by the detection circuit of battery management system above-mentioned
Result whether detection to obtain normal.
Step 103: if the number of clusters of the normal battery cluster is greater than the first default number of clusters, to each normal battery cluster
It is pre-charged.
In present embodiment, the first default number of clusters can be the default number of clusters of system, be also possible to by staff
The number of clusters of customized.
It is understood that the first default number of clusters is for supporting the energy-storage system to meet certain service efficiency
The setting value of demand, thus the visual specific requirements of size of its value determine relatively.
It, can be by each battery in the energy-storage system by being pre-charged to normal battery cluster in present embodiment
The voltage of cluster is drawn to equal or similar voltage, can prevent the circuit between each battery cluster from the excessive situation of circulation occur.
Step 104: obtaining the number of clusters of the precharge normal battery cluster in the energy-storage system.
In present embodiment, the precharge normal battery cluster in the energy-storage system can be determined by following sub-step:
Step 104 (1): the preliminary filling current value that each normal battery cluster is pre-charged is obtained.
It is understood that the current detection circuit using battery management system above-mentioned obtains each normal battery
The preliminary filling current value of cluster.
Step 104 (2): if the preliminary filling current value is less than the pre-set current value, it is determined that the corresponding normal electricity
Pond cluster is the precharge normal battery cluster.
In present embodiment, the pre-set current value be based on theoretical value of each battery cluster during being pre-charged,
Standard value or empirical value.
It is understood that usually being charged in pre-charging stage with lesser current versus cell, and works as and be pre-charged
When period detects the preliminary filling current value of battery cluster, it is believed that the battery cluster exists abnormal during precharge.
In present embodiment, the preliminary filling electrical anomaly battery cluster in the energy-storage system can be also determined by following sub-step:
Step (3): if the preliminary filling current value is greater than or equal to the pre-set current value, it is determined that corresponding normal battery
Cluster is preliminary filling electrical anomaly battery cluster.
For preliminary filling electrical anomaly battery cluster is determined, also it can be handled in the following way:
Step (4): maintenance processing is carried out to the preliminary filling electrical anomaly battery cluster.
It is understood that being directed to the preliminary filling electrical anomaly battery cluster, can be carried out by repairing and replacing the modes such as device
Maintenance processing, to allow to be normally carried out precharge, so that precharge normal battery cluster reaches expected number of clusters.Certainly, right
In the preliminary filling electrical anomaly battery cluster for being higher than the energy-storage system operation demand, i.e., currently precharge normal battery cluster can satisfy
When energy-storage system operation demand, no longer preliminary filling electrical anomaly battery cluster progress high pressure can be powered on or maintenance is handled.
It is understood that normal battery cluster is not necessarily equal to precharge normal battery cluster, i.e., in normal battery cluster
When performance during being pre-charged meets expected, normal battery cluster can just be confirmed to be precharge normal battery cluster.
Step 105: if the number of clusters of the precharge normal battery cluster is greater than the second default number of clusters, adjusting the energy storage system
The power-up state of system is to normal power-up state.
In present embodiment, the normal power-up state can be with the rated operational voltage of the energy-storage system entirety and
Power is the state powered on according to identified voltage value to the energy-storage system.
It is understood that the second default number of clusters herein can be identical with the above-mentioned first default number of clusters, it also can be different.Its
In, in the first default number of clusters and identical the second default number of clusters, the value size of the two, which can reflect, can make the energy-storage system
The battery cluster of normal operation meets expected quantitative requirement.And in the first default number of clusters and the second default number of clusters difference, it can
First default number of clusters is interpreted as the setting condition tentatively judged, with preliminary judging result be it is no when it is direct after afterflow
Journey, and the value size of the second default number of clusters at this time can reflect the symbol for the battery cluster that the energy-storage system can be made to operate normally
Close expected quantitative requirement.
It is understood that since precharge normal battery cluster is to meet to determine under certain require based on normal battery cluster
, thus be pre-charged the corresponding second default number of clusters of normal battery cluster and theoretically should be less than or be equal to normal battery cluster corresponding the
One default number of clusters.
In present embodiment, when the energy-storage system is in low pressure power-up state, by judging in the energy-storage system
Each battery cluster between the maximum value of pressure difference whether be less than preset pressure value, and each battery cluster in the energy-storage system
Between pressure difference maximum value be less than preset pressure value when, just allow further to power on the progress of process, with realize pressure difference safely examine
It surveys, promotes the safety that energy-storage system powers on.After pressure difference safety detection passes through, the normal battery in the energy-storage system is obtained
The number of clusters of cluster, and when the number of clusters of normal battery cluster reaches the requirement greater than the first default number of clusters, just allow further upper electric current
The progress of journey, so as to meet the service requirement of the energy-storage system.After being pre-charged to each normal battery cluster, obtain
It takes the number of clusters of the precharge normal battery cluster in the energy-storage system, and is greater than the in the number of clusters of the precharge normal battery cluster
When two default number of clusters, the power-up state of the energy-storage system is just adjusted to normal power-up state.By the setting of precharge step,
The voltage of each normal battery cluster can be pulled to equal or similar voltage, prevent between each normal battery cluster that there are circulation mistakes
Big bring security risk further promotes the safety that energy-storage system powers on.At the same time, big in the number of clusters of normal battery cluster
When the first default number of clusters, being pre-charged the number of clusters of normal battery cluster greater than the second default number of clusters, energy-storage system is carried out on normal
Electricity, staff can determine the described first default number of clusters and the second default number of clusters according to the current operation demand of energy-storage system, because
And the service efficiency of energy-storage system is taken into account, even if percentage of batteries cluster goes wrong, the case where meeting energy-storage system operation demand
Under, other battery clusters not gone wrong remain to support the operation of energy-storage system.
It is understood that when the number of clusters of normal battery cluster is less than or equal to the first default number of clusters, i.e., exportable energy storage
The prompt information of system electrification exception.
It is understood that equally may be used when the number of clusters for being pre-charged normal battery cluster is less than or equal to the second default number of clusters
Export the prompt information of electrical anomaly on energy-storage system.
Fig. 2 is the flow chart of the electrification control method of second embodiment of the invention, present embodiment and the first embodiment party
The main distinction of formula is, includes obtaining the step such as voltage value of normal battery cluster in the energy-storage system in second embodiment
Suddenly.It should be noted that in the range of spirit or essential attributes of the invention, it is each specific suitable for first embodiment
Scheme can also be accordingly suitable for second embodiment, for the sake of saving space and avoiding repetition, and details are not described herein again.
As shown in Fig. 2, the electrification control method may include steps of:
Step 201: when the energy-storage system is in low pressure power-up state, judging each battery in the energy-storage system
Whether the maximum value of the pressure difference between cluster is less than preset pressure value.
Step 202: if the determination result is YES, then obtaining the number of clusters of the normal battery cluster in the energy-storage system.
Step 203: if the number of clusters of the normal battery cluster is greater than the first default number of clusters, obtaining each normal battery
The voltage value of cluster.
It is understood that obtaining each normal electricity using the voltage detecting circuit of battery management system above-mentioned
The voltage value of pond cluster.
Step 204: according to the size of the voltage value of each normal battery cluster with descending to each normal battery cluster into
Line precharge.
It is described that each normal battery cluster is precharged as with descending in present embodiment: first high to voltage value just
Normal battery cluster is pre-charged, after the lower normal battery cluster of voltage value is pre-charged.
It is understood that the design being pre-charged by descending, can be gradually reduced between each normal battery cluster
Pressure difference is beneficial to prevent the problem that circulation is excessive between each normal battery cluster.
Step 205: obtaining the number of clusters of the precharge normal battery cluster in the energy-storage system.
Step 206: if the number of clusters of the precharge normal battery cluster is greater than the second default number of clusters, adjusting the energy storage system
The power-up state of system is to normal power-up state.
Present embodiment can be greater than first in advance on the basis of first embodiment, and in the number of clusters of the normal battery cluster
If when number of clusters, by obtaining the voltage value of each normal battery cluster, according to the voltage value of each normal battery cluster
Size is pre-charged each normal battery cluster with descending, so that it is excessive to be beneficial to prevent circulation between each normal battery cluster
The problem of, further promote the safety of energy-storage system.
Fig. 3 is the flow chart of the electrification control method of third embodiment of the invention, present embodiment and the first embodiment party
Formula, the main distinction of second embodiment are, include then judging whether the energy-storage system meets absolutely in third embodiment
Edge requirement and etc..It should be noted that being suitable for the first embodiment party in the range of spirit or essential attributes of the invention
Each concrete scheme in formula, second embodiment can also be accordingly suitable for third embodiment, to save space and keeping away
For the sake of exempting from repetition, details are not described herein again.
As shown in figure 3, the electrification control method may include steps of:
Step 301: when the energy-storage system is in low pressure power-up state, judging each battery in the energy-storage system
Whether the maximum value of the pressure difference between cluster is less than preset pressure value.
Step 302: if the determination result is YES, then obtaining the number of clusters of the normal battery cluster in the energy-storage system.
Step 303: if the number of clusters of the normal battery cluster is greater than the first default number of clusters, to each normal battery cluster
It is pre-charged.
Step 304: obtaining the number of clusters of the precharge normal battery cluster in the energy-storage system.
Step 305: if the number of clusters of the precharge normal battery cluster is greater than the second default number of clusters, judging the energy storage system
Whether system meets insulating requirements.
In present embodiment, judges whether the energy-storage system meets insulating requirements using insulation detecting circuit, may be used also
The energy-storage system is monitored using insulating monitor, in monitoring process, if it is detected that the energy-storage system is currently not
Meet insulating requirements, then exports the monitoring result that the energy-storage system is unsatisfactory for insulating requirements.
Step 306: if the determination result is YES, then adjusting the power-up state of the energy-storage system to normal power-up state.
Present embodiment can be on the basis of first embodiment, second embodiment, in the precharge normal battery
When the number of clusters of cluster is greater than the second default number of clusters, by judging whether the energy-storage system meets insulating requirements, and in the energy storage
When system meets insulating requirements, the power-up state of the energy-storage system is just adjusted to normal power-up state, to reduce because described in
Energy-storage system is unsatisfactory for a possibility that insulating requirements bring security risk, further promotes the safety that the energy-storage system powers on
Property.
It is understood that corresponding above-mentioned electrification control method, the energy-storage system can be by such as flowing down in lower electricity
Cheng Shixian:
Firstly, in the case where energy-storage system is in normal operating condition, and when the energy-storage system receives lower electricity instruction, it is right
Judge in the energy-storage system with the presence or absence of abnormal battery cluster.
Secondly, determining the number of clusters of the normal battery cluster in the energy-storage system according to the quantity of abnormal battery cluster.
Furthermore when the number of clusters of the normal battery cluster is greater than third and presets number of clusters, lower electricity is sent using abnormal battery cluster
Request, and after the preset time that is delayed, the voltage value according to each battery cluster successively disconnects each battery cluster in the form of descending
Relay.When the number of clusters of the normal battery cluster is less than or equal to the third and presets number of clusters, each battery cluster (electricity of operation
Pond cluster) lower electricity request is sent, and after the preset time that is delayed, the voltage value according to each battery cluster is successively broken in the form of descending
Open the relay of each battery cluster.
Fig. 4 is the illustrative functional block diagram of the upper controller for electric consumption of an embodiment of the present invention.On as shown in figure 4,
Controller for electric consumption 100 can be each in the energy-storage system by judging when the energy-storage system is in low pressure power-up state
Whether the maximum value of the pressure difference between battery cluster is less than preset pressure value, and the pressure between each battery cluster in the energy-storage system
When the maximum value of difference is less than preset pressure value, just allow further to power on the progress of process, to realize pressure difference safety detection, is promoted
The safety that energy-storage system powers on.After pressure difference safety detection passes through, the cluster of the normal battery cluster in the energy-storage system is obtained
Number, and when the number of clusters of normal battery cluster reaches the requirement greater than the first default number of clusters, just allow further to power on process into
Row, so as to meet the service requirement of the energy-storage system.After being pre-charged to each normal battery cluster, described in acquisition
The number of clusters of precharge normal battery cluster in energy-storage system, and be greater than second in the number of clusters of the precharge normal battery cluster and preset
When number of clusters, the power-up state of the energy-storage system is just adjusted to normal power-up state.It, can will be each by the setting of precharge step
The voltage of a normal battery cluster is pulled to equal or similar voltage, prevents from bringing between each normal battery cluster there are circulation is excessive
Security risk, further promote the safety that powers on of energy-storage system.At the same time, it is greater than first in the number of clusters of normal battery cluster
When default number of clusters, the number of clusters for being pre-charged normal battery cluster are greater than the second default number of clusters, energy-storage system is normally powered on, is worked
Personnel can determine the described first default number of clusters and the second default number of clusters according to the current operation demand of energy-storage system, thus take into account storage
The service efficiency of energy system, even if percentage of batteries cluster goes wrong, in the case where meeting energy-storage system operation demand, other are not
The battery cluster to go wrong remains to support the operation of energy-storage system.
Upper controller for electric consumption 100 of the invention may include one or more modules, and one or more of modules can be with
Be stored in the memory of computer installation and may be configured to by one or more processors (present embodiment be one
Processor) it executes, to complete the present invention.For example, as shown in figure 4, the upper controller for electric consumption 100 may include judgment module
11, module 12, pre-charge module 13, adjustment module 14 and determining module 15 are obtained.The so-called module of the present invention can be completion
The program segment of one specific function, the implementation procedure than program more suitable for description software in the processor.
It should be noted that each embodiment of corresponding above-mentioned electrification control method, upper controller for electric consumption 100 may include
Part or all in each functional module shown in Fig. 4, the function of each module will introduced in detail below.It is upper automatically controlled above
Identical noun related terms and its specific explanation are readily applicable to following to each in each embodiment of method processed
The function introduction of module.For the sake of saving space and avoiding repetition, details are not described herein again.
Fig. 5 is the illustrative structural schematic diagram of the upper electric control system of an embodiment of the present invention.Upper electric control system 2
It may include electrical parameters detection device 21, insulation detection device 22 and above-mentioned upper controller for electric consumption 100, wherein the electrical parameter
Detection device 21 can be used for obtaining the voltage of each battery cluster, current value even resistance value.The insulation detection device
22 can be used for detecting the insulation situation of energy-storage system.
Fig. 6 is the illustrative structural schematic diagram of the computer installation of an embodiment of the present invention.It is provided in this embodiment
Computer installation 1 includes: processor 10, memory 20, detection device 30 and is stored in the memory 20 and can be in institute
State the computer program run on processor 10, electric control program as above.When the processor 10 executes the computer program,
Realize the step in above-mentioned each electrification control method embodiment, such as step 101 shown in FIG. 1 is to step 105.Alternatively,
The processor 10 realizes the function of each module in above-mentioned apparatus embodiment when executing the computer program, such as in Fig. 4
Judgment module 11 realize when the energy-storage system is in low pressure power-up state, judge each battery in the energy-storage system
Whether the maximum value of the pressure difference between cluster is less than the function of preset pressure value.
The computer installation 1 can be the calculating such as desktop PC, notebook, palm PC and cloud server and set
It is standby.The computer installation 1 may include, but be not limited to, processor 10, memory 20 and detection device 30.Those skilled in the art
Member is it is appreciated that the schematic diagram is only example of the present invention for realizing the computer installation 1 of electrification control method, not
Constitute restriction to computer installation 1, may include than illustrating more or fewer components, perhaps combine certain components or
Different components, such as the computer installation 1 can also include input-output equipment, network access equipment, bus etc..
Alleged processor 10 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng the processor 10 is the control centre of the computer installation 1, utilizes various interfaces and connection entire computer dress
Set 1 various pieces.
The memory 20 can be used for storing the computer program and/or module, the processor 10 by operation or
The computer program and/or module being stored in the memory 20 are executed, and calls the data being stored in memory 20,
Realize the various functions of the computer installation 1.The memory 20 can mainly include storing program area and storage data area,
In, storing program area can application program needed for storage program area, at least one function (such as sound-playing function, image
Playing function etc.) etc.；Storage data area, which can be stored, uses created data (such as audio data, phone directory according to mobile phone
Deng) etc..In addition, memory 20 may include high-speed random access memory, it can also include nonvolatile memory, such as firmly
Disk, memory, plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital,
SD) block, flash card (Flash Card), at least one disk memory, flush memory device or other volatile solid-states
Part.
The detection device 30 is to the voltage value, electric current and the insulation situation of energy-storage system etc. that detect each battery cluster.
The computer installation 1 may also include upper controller for electric consumption 100 as shown in Figure 4, the upper controller for electric consumption 100
It can store in the memory 20.
Illustratively, the computer program can be divided into one or more modules, one or more of moulds
Block is stored in the memory 20, and is executed by the processor 10, to complete the present invention.One or more of modules
It can be the series of computation machine program instruction section that can complete specific function, the instruction segment is for describing the computer program
Implementation procedure in the computer installation 1.For example, the computer program can be divided into as shown in Figure 4 power on
Control device 100, including judgment module 11, acquisition module 12, pre-charge module 13, adjustment module 14 and determining module 15, respectively
Module concrete function is as follows:
Judgment module 11 can be used for judging in the energy-storage system when the energy-storage system is in low pressure power-up state
Each battery cluster between the maximum value of pressure difference whether be less than preset pressure value.
Module 12 is obtained, the maximum value for the pressure difference that can be used between each battery cluster in the energy-storage system is less than default
When pressure difference, the number of clusters of normal battery cluster in the energy-storage system is obtained；And the precharge obtained in the energy-storage system is normal
The number of clusters of battery cluster.
Pre-charge module 13, the number of clusters that can be used for the normal battery cluster in the energy-storage system are greater than the first default number of clusters
When, battery cluster normal in the energy-storage system is pre-charged.
Module 14 is adjusted, can be used for the adjustment when the number of clusters of the precharge normal battery cluster is greater than the second default number of clusters
The power-up state of the energy-storage system is to normal power-up state.
Further, the module 12 that obtains can also be used to obtain the voltage of the normal battery cluster in the energy-storage system
Value.Correspondingly, the pre-charge module 13 can also be used according to the size of the voltage value of each normal battery cluster with descending to each
A normal battery cluster is pre-charged.
Further, the judgment module 11 is greater than the described second default cluster in the number of clusters of the precharge normal battery cluster
When number, specifically for judging whether the energy-storage system meets insulating requirements.Correspondingly, the adjustment module is in the energy storage system
System is when meeting insulating requirements, can be used for adjusting the power-up state of the energy-storage system to normal power-up state.
Further, the acquisition module 12 can also be used to obtain the preliminary filling electric current that each normal battery cluster is pre-charged
Value.
Determining module 15 can be used for when the preliminary filling current value is less than the pre-set current value, determine corresponding described
Normal battery cluster is precharge normal battery cluster.
Further, the determining module 15 can also be used to be greater than or equal to the predetermined current in the preliminary filling current value
When value, determine that corresponding normal battery cluster is preliminary filling electrical anomaly battery cluster.
The pre-charge module is also used to be pre-charged the preliminary filling electrical anomaly battery cluster.Computer of the present invention
It, can be with if the integrated module of device 1 is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, the present invention realizes the upper of the respective embodiments described above
All or part of the process in electric control method can also instruct relevant hardware to complete by computer program, described
Computer program can be stored in a computer readable storage medium, which, can be real when being executed by processor
Step in the electrification control method of existing the respective embodiments described above.Wherein, the computer program includes computer program code,
The computer program code can be source code form, object identification code form, executable file or certain intermediate forms etc..Institute
State computer-readable medium may include: can carry the computer program code any entity or device, recording medium,
USB flash disk, mobile hard disk, magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), arbitrary access
Memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It needs
It is bright, the content that the computer-readable medium includes can according in jurisdiction make laws and patent practice requirement into
Row increase and decrease appropriate, such as do not include electric load according to legislation and patent practice, computer-readable medium in certain jurisdictions
Wave signal and telecommunication signal.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included in the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.This
Outside, it is clear that one word of " comprising " does not exclude other units or steps, and odd number is not excluded for plural number.System, device or computer installation dress
Set multiple units, module or the device stated in claim can also by the same unit, module or device by software or
Person hardware is realized.The first, the second equal words are used to indicate names, and are not indicated any particular order.
Embodiment of above is only used to illustrate the technical scheme of the present invention and not to limit it, although referring to the above preferable embodiment party
Formula describes the invention in detail, those skilled in the art should understand that, it can be to technical solution of the present invention
It modifies or equivalent replacement should not all be detached from the spirit and scope of technical solution of the present invention.
Claims (10)
1. a kind of electrification control method is applied in large-scale more battery cluster energy-storage systems, which is characterized in that the described method includes:
When the energy-storage system is in low pressure power-up state, the pressure difference between each battery cluster in the energy-storage system is judged
Whether maximum value is less than preset pressure value；
If the determination result is YES, then the number of clusters of the normal battery cluster in the energy-storage system is obtained；
If the number of clusters of the normal battery cluster is greater than the first default number of clusters, each normal battery cluster is pre-charged；
Obtain the number of clusters of the precharge normal battery cluster in the energy-storage system；
If the number of clusters of the precharge normal battery cluster is greater than the second default number of clusters, the power-up state of the energy-storage system is adjusted
To normal power-up state.
2. electrification control method as described in claim 1, which is characterized in that described to be carried out in advance to each normal battery cluster
Charging includes:
Obtain the voltage value of each normal battery cluster；
Each normal battery cluster is pre-charged with descending according to the size of the voltage value of each normal battery cluster.
3. electrification control method as described in claim 1, which is characterized in that the power-up state of the adjustment energy-storage system
Include: to normal power-up state
If the number of clusters of the precharge normal battery cluster is greater than the described second default number of clusters, judge whether the energy-storage system is full
Sufficient insulating requirements；
If the determination result is YES, then the power-up state of the energy-storage system is adjusted to normal power-up state.
4. the electrification control method as described in claims 1 to 3 any one, which is characterized in that it is described to it is each it is described just
Normal battery cluster is pre-charged and is obtained between the number of clusters of the precharge normal battery cluster in the energy-storage system, and the method is also
Include:
Obtain the preliminary filling current value that each normal battery cluster is pre-charged；
If the preliminary filling current value is less than the pre-set current value, it is determined that the corresponding normal battery cluster is that precharge is normal
Battery cluster.
5. electrification control method as claimed in claim 4, which is characterized in that it is described obtain each normal battery cluster into
After the preliminary filling current value of line precharge, the method also includes:
If the preliminary filling current value is greater than or equal to the pre-set current value, it is determined that corresponding normal battery cluster is that precharge is different
Normal battery cluster；
Maintenance processing is carried out to the preliminary filling electrical anomaly battery cluster.
6. a kind of upper controller for electric consumption is applied in large-scale more battery cluster energy-storage systems, which is characterized in that the upper electric control dress
It sets and includes:
Judgment module, for judging each electricity in the energy-storage system when the energy-storage system is in low pressure power-up state
Whether the maximum value of the pressure difference between the cluster of pond is less than preset pressure value；
Module is obtained, the maximum value for the pressure difference between each battery cluster in the energy-storage system is less than preset pressure value
When, obtain the number of clusters of the normal battery cluster in the energy-storage system；And the precharge normal battery in the acquisition energy-storage system
The number of clusters of cluster；
Pre-charge module, when being greater than the first default number of clusters for the number of clusters in the normal battery cluster, in the energy-storage system
Normal battery cluster is pre-charged；
Module is adjusted, when the number of clusters for being pre-charged normal battery cluster in the energy-storage system is greater than the second default number of clusters, is adjusted
The power-up state of the whole energy-storage system is to normal power-up state.
7. upper controller for electric consumption as claimed in claim 6, which is characterized in that the acquisition module is also used to obtain each described
The voltage value of normal battery cluster；
The pre-charge module is also used to according to the size of the voltage value of each normal battery cluster with descending to each described
Normal battery cluster is pre-charged.
8. a kind of upper electric control system, which is characterized in that including upper controller for electric consumption described in claim 6 or 7 any one.
9. a kind of computer installation, which is characterized in that the computer dress is purchased including processor, and the processor is for executing
The step of the electrification control method as described in any one of claim 1-5 is realized when the computer program stored in memory
Suddenly.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of electrification control method as described in any one of claim 1-5 is realized when being executed by processor.
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| CN201711484222.5A CN109995097B (en) | 2017-12-29 | 2017-12-29 | Power-on control method, device and system, computer device and storage medium |
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| CN111276989A (en) * | 2020-02-26 | 2020-06-12 | 深圳市科陆电子科技股份有限公司 | Energy storage control protection method and system |
| CN111613846A (en) * | 2020-07-10 | 2020-09-01 | 深圳传音控股股份有限公司 | Battery charging method, handheld terminal and readable storage medium |
| CN113193633A (en) * | 2021-06-04 | 2021-07-30 | 傲普(上海)新能源有限公司 | Battery cluster access method and device, energy storage power station, equipment and storage medium |
| CN113696735A (en) * | 2021-08-06 | 2021-11-26 | 上汽通用五菱汽车股份有限公司 | Power-on method of battery system, battery system and readable storage medium |
| CN113745673A (en) * | 2021-08-18 | 2021-12-03 | 东莞新能安科技有限公司 | Battery cluster electrifying method and system, battery management system and battery cluster |
| CN115085326A (en) * | 2022-07-08 | 2022-09-20 | 湖北亿纬动力有限公司 | Control method and device of energy storage system and energy storage system |
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| CN111276989A (en) * | 2020-02-26 | 2020-06-12 | 深圳市科陆电子科技股份有限公司 | Energy storage control protection method and system |
| CN111276989B (en) * | 2020-02-26 | 2023-08-08 | 深圳市科陆电子科技股份有限公司 | Energy storage control protection method and system |
| CN111613846A (en) * | 2020-07-10 | 2020-09-01 | 深圳传音控股股份有限公司 | Battery charging method, handheld terminal and readable storage medium |
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| CN113696735B (en) * | 2021-08-06 | 2023-10-27 | 上汽通用五菱汽车股份有限公司 | Power-up method of battery system, battery system and readable storage medium |
| CN113745673A (en) * | 2021-08-18 | 2021-12-03 | 东莞新能安科技有限公司 | Battery cluster electrifying method and system, battery management system and battery cluster |
| CN115085326A (en) * | 2022-07-08 | 2022-09-20 | 湖北亿纬动力有限公司 | Control method and device of energy storage system and energy storage system |
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| CN109995097B (en) | 2023-03-28 |
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