CN106532800A - Battery management system with parallel connection of multiple BMS modules and realization method thereof - Google Patents
Battery management system with parallel connection of multiple BMS modules and realization method thereof Download PDFInfo
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- CN106532800A CN106532800A CN201610895343.8A CN201610895343A CN106532800A CN 106532800 A CN106532800 A CN 106532800A CN 201610895343 A CN201610895343 A CN 201610895343A CN 106532800 A CN106532800 A CN 106532800A
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Classifications
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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
- H02J7/0014—Circuits for equalisation of charge between batteries
-
- 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
-
- 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
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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
- H02J7/00302—Overcharge protection
-
- 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
- H02J7/00304—Overcurrent protection
-
- 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
- H02J7/00306—Overdischarge protection
-
- 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
Abstract
The invention discloses a realization method of a battery management system with the parallel connection of multiple BMS modules. The method comprises the steps of (S1) allowing multiple SMS modules to be connected in parallel, setting any one BMS module as a master module and other BMS modules as sub modules, and (S2) allowing the sub modules to send the data of the sub modules to the master module, and allowing the master module to receive the data of each sub module and process the data of the master module and the data of the sub modules. The invention provides the realization method of a battery management system with the parallel connection of multiple BMS modules, the master module and the sub modules are arranged in the multiple BMS modules, the labor division of each of the BMS modules is clear, the use efficiency of the battery management system is improved, and the reliability of the battery management system is increased. At the same time, the master module monitors the data collection of each BMS module in real time and immediately controls and stops the working of each BMS module in the condition of data or information loss and the like, and the safety of the battery management system is improved.
Description
Technical field
The present invention relates to battery management system field, more particularly to a kind of battery management system of many BMS wired in parallel
And its implementation.
Background technology
Battery management system (BMS) is the new energy storaging product that a this century is just born, because electrochemical reaction is difficult to
Control and the unpredictable of material performance change in this process, so just need so one house keeper to carry out moment supervision adjust
The behavior of battery pack is limited, to ensure using safety.
Battery management system (BMS) is electric automobile, energy-accumulating power station, key components of family's energy storage.For protecting
Card cell safety reliably runs, and battery management system needs to monitor with battery status and assesses, and charge and discharge control, battery are equal
The functions such as weighing apparatus.Since 2013, electric automobile is particularly pure electric automobile fire accident and takes place frequently, and causes consumer to electric automobile
Generate security concerns.Compared with hybrid vehicle (HEV), plug-in hybrid-power automobile (PHEV) and pure electric automobile
(BEV) battery system structure is complex, higher with the requirement of security to battery durable power, it is necessary to it is supporting it is more ripe can
The battery management system for leaning on.Therefore, battery management system industry by with electric automobile market expansion and family's energy storage development
And be benefited.The major function of battery management system has：1st, the detection and correction of battery management system certainty of measurement, it is main to include electricity
Pressure certainty of measurement, current measurement precision, temperature detecting precision, monomer voltage certainty of measurement.2nd, battery management system safeguard protection
Functional test, it is therefore an objective to verify reliability and the sensitivity of battery management system protection act.3rd, battery charging and discharging functional test.
4th, battery management system proof of algorithm：Checking SCO estimation precisions.
However, with the expansion and the development of family's energy storage of electric automobile market, energy storaging product demand type is more, demand
Different, it is most important that capacity requirement difference, it is more to be directed at battery management system species, battery management system practical application
It is dumb.Next battery management system maximum power dissipation of ordinary circumstance is fixed；Same battery management system is possible can only
On an energy-storage system, if when running into the power ratio present battery management system of practice it is high-power, electricity
Pond management system cannot provide enough energy to supply., whereas if work(of the electric power of reality than battery management system
Rate is much smaller, will result in the wasting of resources, it is necessary to redesign exploitation, increases development cost.
The content of the invention
The purpose of the present invention is to overcome weak point of the prior art, there is provided a kind of cell tube of many BMS wired in parallel
Reason system and its implementation, improve the reliability and safety of the battery management system.
The purpose of the present invention is achieved through the following technical solutions：
A kind of battery management system implementation method of many BMS wired in parallel, step include：
S1, by multiple BMS wired in parallel connect, and arrange wherein any one BMS module be primary module, remaining BMS
Module is submodule；
, by own module data is activation to primary module, the primary module receives the data of each submodule for S2, the submodule,
And the data to own module data and submodule are processed.
Used as further preferred scheme, it is primary module that step S1 arranges wherein any one BMS module, remaining
The step of BMS modules are submodule is specially：
Enter row address distribution to its own BMS module using the ID setup units of BMS modules, by one of BMS modules
Primary module is set to, remaining BMS module is set to submodule.
Used as further preferred scheme, it is primary module that step S1 arranges wherein any one BMS module, remaining
The step of BMS modules are submodule is specially：
Host computer sends corresponding address to each BMS modules by CAN, based on the setting of one of BMS modules
Module, remaining BMS module are set to submodule.
Include as the data of further preferred scheme, the primary module and submodule：Voltage data, current data and
Warning protection information.
As further preferred scheme, in step S2, the step of the data of master module processes primary module and submodule
Suddenly include：Voltage data is calculated using mean algorithm, is alerted using addition algorithm calculating current data, using OR gate Algorithm Analysis
Protection information.
It is as further preferred scheme, further comprising the steps of：
The primary module sends the data of primary module and submodule to load by CAN；
Load the discharge and recharge for controlling primary module and submodule by CAN.
As further preferred scheme, also including primary module defence program is started the step of：
If the primary module detects primary module and/or when submodule has data or loss of learning, primary module closes itself
Data output, and each submodule is given by CAN transmission alarm and protection information, each submodule receives alarm and protection letter
After breath, each submodule closes its data output immediately, and primary module and submodule respectively enter holding state.
As further preferred scheme, also including promoter module protection program the step of：
If occur data or loss of learning inside the submodule, submodule closes its data output, and passes through CAN
Bus sends alarm and protection information to primary module, and after primary module receives alarm and protection information, it is defeated that primary module closes its data
Go out, alert protection information of concurrently delivering newspaper gives remaining submodule, after remaining submodule receives alarm and protection information, remaining son
Module closes its data output immediately, and primary module and submodule respectively enter holding state.
It is as further preferred scheme, further comprising the steps of：
After the primary module closes its data output, alarm and protection information is sent to load by CAN, it is described negative
After load receives alarm and protection information, stop the discharge and recharge to primary module and submodule.
A kind of battery management system of many BMS wired in parallel includes：Multiple BMS modules being connected in parallel；The BMS modules
Including CAN communication unit, the CAN communication unit is connected with load by CAN, the CAN communication of multiple BMS modules
Unit is connected by CAN；The BMS modules also include ID setup units, and the ID setup units are used for setting its correspondence
The address of BMS modules.
The present invention compared to prior art advantage and have the beneficial effect that：
1st, the present invention provides a kind of implementation method of the battery management system of multiple BMS wired in parallel, in multiple BMS modules
In be provided with primary module and submodule, the division of labor of each BMS module is clear and definite, improves the service efficiency of the battery management system, and increasing should
Battery management system reliability.
2nd, the present invention adopts mean algorithm, addition algorithm and OR gate algorithm in data handling, can effectively to each
The data of module carry out real-time processing, improve data-handling capacity and efficiency；Meanwhile, primary module also monitor in real time each BMS mould
The collection situation of the data of block, such as occurs data or loss of learning, then can control immediately to stop the work of each BMS module
Make, improve the security of the battery management system.
3rd, the battery management system of many BMS wired in parallel that the present invention is provided, after which adopts multiple BMS wired in parallel, leads to
The setting for crossing address can just realize that multiple BMS wired in parallel get up to use, and substantially reduce the construction cycle, and user is using appearance
Problem reduce, production cost lower, meanwhile, the application demand of different terminals client can be met in actual applications.
4th, the battery management system of many BMS wired in parallel that the present invention is provided, easy for installation, only needs two power lines and two
Data lines can just constitute multiple BMS battery system management in parallel, using simple, battery management system reliability height.
Description of the drawings
Fig. 1 is a kind of battery management system implementation method flow chart of many BMS wired in parallel of the present invention；
Fig. 2 is a kind of battery management system structured flowchart of many BMS wired in parallel of the present invention；
Fig. 3 is a kind of another structured flowchart of battery management system of many BMS wired in parallel of the present invention.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the better embodiment of the present invention.But, the present invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose for providing these embodiments is to make to understand more the disclosure
Plus it is thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field for belonging to the present invention
The implication that technical staff is generally understood that is identical.The term for being used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that of the invention in limiting.Term as used herein " and/or " include one or more
The arbitrary and all of combination of related Listed Items.
Embodiment 1
Refer to Fig. 1, a kind of battery management system implementation method 20 of many BMS wired in parallel, step includes：
S1, by multiple BMS wired in parallel connect, and arrange wherein any one BMS module be primary module, remaining BMS
Module is submodule；
, by own module data is activation to primary module, the primary module receives the data of each submodule for S2, the submodule,
And the data to own module data and submodule are processed.
In the present embodiment, it is primary module that step S1 arranges wherein any one BMS module, remaining BMS module
For submodule the step of be specially：
Enter row address distribution to its own BMS module using the ID setup units of BMS modules, by one of BMS modules
Primary module is set to, remaining BMS module is set to submodule.
ID setup units are specially multichannel DIP device, and multichannel DIP device can set primary module and submodule by address
Block.
By taking 3 BMS wired in parallel as an example：The ID=000 of one of BMS modules is set, and this BMS module is main mould
Block, is responsible for receiving the data of each submodule, and the data to primary module and each submodule is processed.Other two BMS is set
Module is submodule, and the ID of each submodule is respectively ID=100, ID=101, each submodule be responsible for by the data is activation of itself to
Primary module.
The data of the primary module and submodule include：Voltage data, current data and warning protection information.The step
In S2, include the step of the data of master module processes primary module and submodule：Voltage data, employing are calculated using mean algorithm to add
Method algorithm calculating current data, using OR gate Algorithm Analysis alert protection information.
The mean algorithm that the voltage data is adopted：Refer to that the voltage and (U1+U2+.....UN) of all BMS modules remove module
N is counted, that is, the mean value of all BMS modules in parallel is：U=(U1+U2+.....UN)/N.The addition of the current data is calculated
Method：The electric current and (I1+I2+.....IN) of the BMS modules all in parallel for referring to is i.e.:I=(I1+I2+.....IN).The warning letter
The OR gate algorithm that breath is adopted：Briefly, exactly when there is a module that alarm and protection occurs, whole system will be reported to the police
Shield.
The battery management system implementation method 20 of many BMS wired in parallel is further comprising the steps of：
The primary module sends the data of primary module and submodule to load by CAN；
Load the discharge and recharge for controlling primary module and submodule by CAN.
The battery management system implementation method 20 of many BMS wired in parallel also includes the step for starting primary module defence program
Suddenly：If the primary module detects primary module and/or when submodule has data or loss of learning, it is defeated that primary module closes its data
Go out, and alarm and protection information is sent to each submodule, after each submodule receives alarm and protection information, each son by CAN
Module closes its data output immediately, and primary module and submodule respectively enter holding state.The primary module closes itself number
After according to output, alarm and protection information is sent to load by CAN, after the load-receipt to alarm and protection information, load
Stop the charge or discharge to primary module and submodule.
Step of the battery management system implementation method 20 of many BMS wired in parallel also including promoter module protection program
Suddenly：If data or loss of learning occurs at least one submodule, the submodule closing its data of data or loss of learning is defeated
Go out, and alarm and protection information is sent to primary module by CAN, after primary module receives alarm and protection information, primary module is closed
Its data output is closed, alert protection information of concurrently delivering newspaper receives alarm and protection letter to remaining submodule, remaining submodule
Close its data output after breath immediately, primary module and submodule respectively enter holding state.The primary module closes itself number
After according to output, alarm and protection information is sent to load by CAN, after the load-receipt to alarm and protection information, load
Stop the charge or discharge to primary module and submodule.
If data here or loss of learning refer to a BMS module of the battery management system because hardware fault is disconnected
Open, in CAN communication, cannot just receive the communication information of the module, just referred to as loss of learning.
To illustrate that：Load root alarm and protection signal type acts accordingly：For example when receive undervoltage warning protection
During signal, load can cut off electrical equipment；When over voltage alarm protection signal is overcharged, load meeting charge closing power supply stops
Only charge to BMS；When there is electric discharge excessively stream alarm and protection signal, electrical equipment can be cut off, anti-locking system is crossed and put；When filling
During electric excessively stream alarm and protection signal, charge power supply can be cut off, anti-locking system is overcharged.
Embodiment 2
Except following technical characteristics, the other technical characteristics of the present embodiment are same as Example 1, step S1 arranges which
In any one BMS module be primary module, remaining BMS module be submodule the step of be specially：Host computer passes through CAN
Corresponding address is sent to each BMS modules, one of BMS modules are set to into primary module, remaining BMS module is set to submodule
Block.
By taking 3 BMS wired in parallel as an example：It is ID=000 that host computer arranges the address of one of BMS modules, and by this
BMS modules are set to primary module, be responsible for receiving the data of each submodule, and the data to primary module and each submodule are processed.
Other two BMS module is set to submodule, and the ID of two submodules is respectively 100 and 101, and each submodule is responsible for its data
It is sent to primary module.
Embodiment 3
Fig. 2 is referred to, a kind of battery management system 10 of many BMS wired in parallel includes：Multiple BMS wired in parallel connections,
The BMS modules include positive pole output 1 and negative pole output 2, and the positive pole output 1 of multiple BMS modules is sequentially connected, Duo Gesuo
The negative pole output 2 for stating BMS modules is sequentially connected.The positive pole output 1 and negative pole output 2 are also circumscribed with load.
The BMS modules also include CAN communication unit 3, and the CAN communication unit 3 is connected with load by CAN,
The CAN communication unit 3 of multiple BMS modules is sequentially connected by CAN；The BMS modules also include ID setup units
4, the ID setup units 4 are used for setting the address of the BMS modules.Load controls the charging and discharging of each BMS module.
The battery management system of multiple BSM wired in parallel can flexibly control the problem of the watt level of the BMS systems for using,
Without developing again new BMS systems, without changing to BMS projects, complicated application system modularization, money is saved
Source, reduces the development cost of BMS systems.
Embodiment 4
Fig. 3 is referred to, except following technical characteristics, the other technical characteristics of the present embodiment are same as Example 3, described
CAN communication unit 3 is also connected with host computer by CAN, and host computer can arrange one of them according to the address of BMS modules
BMS modules are primary module, and remaining BMS module is submodule, loads the charging and discharging for controlling each BMS module.
Specifically, host computer sends an address to each BMS modules by CAN, arranges the address of one of BMS modules
For ID=000, and this BMS module is set to into primary module, the address for arranging remaining BMS module is ID=001, ID=002 ...
These BMS modules are set to into submodule, the primary module of ID=000 receives the data of each submodule, and to primary module and submodule
Data processed；And its data information is sent to primary module by remaining submodule.
The above embodiment only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for the ordinary skill people of this area
For member, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the present invention's
Protection domain.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (10)
1. a kind of battery management system implementation method of many BMS wired in parallel, it is characterised in that step includes：
S1, by multiple BMS wired in parallel connect, and arrange wherein any one BMS module be primary module, remaining BMS module
For submodule；
, by own module data is activation to primary module, the primary module receives the data of each submodule, and right for S2, the submodule
The data of own module data and submodule are processed.
2. the battery management system implementation method of many BMS wired in parallel according to claim 1, it is characterised in that described
Step S1 arrange wherein any one BMS module be primary module, remaining BMS module be submodule the step of be specially：
Enter row address distribution to its own BMS module using the ID setup units of BMS modules, one of BMS modules are arranged
For primary module, remaining BMS module is set to submodule.
3. the battery management system implementation method of many BMS wired in parallel according to claim 1, it is characterised in that described
Step S1 arrange wherein any one BMS module be primary module, remaining BMS module be submodule the step of be specially：
Host computer sends corresponding address to each BMS modules by CAN, and one of BMS modules are set to primary module,
Remaining BMS module is set to submodule.
4. the battery management system implementation method of many BMS wired in parallel according to claim 1, it is characterised in that described
The data of primary module and submodule include：Voltage data, current data and warning protection information.
5. the battery management system implementation method of many BMS wired in parallel according to claim 4, it is characterised in that described
In step S2, include the step of the data of master module processes primary module and submodule：Calculate voltage data, adopt using mean algorithm
Protection information is alerted with addition algorithm calculating current data, using OR gate Algorithm Analysis.
6. the battery management system implementation method of many BMS wired in parallel according to claim 1, it is characterised in that also wrap
Include following steps：
The primary module sends the data of primary module and submodule to load by CAN；
Load the discharge and recharge for controlling primary module and submodule by CAN.
7. the battery management system implementation method of many BMS wired in parallel according to claim 1, it is characterised in that also wrap
The step of including startup primary module defence program：
If the primary module detects primary module and/or when submodule has data or loss of learning, primary module closes its data
Output, and each submodule is given by CAN transmission alarm and protection information, each submodule receives alarm and protection information
Afterwards, each submodule closes its data output immediately, and primary module and submodule respectively enter holding state.
8. the battery management system implementation method of many BMS wired in parallel according to claim 1, it is characterised in that also wrap
The step of including promoter module protection program：
If occur data or loss of learning inside the submodule, submodule closes its data output, and passes through CAN
Alarm and protection information is sent to primary module, after primary module receives alarm and protection information, primary module closes its data output, and
Send alarm and protection information and give remaining submodule, after remaining submodule receives alarm and protection information, remaining submodule
Its data output is closed immediately, and primary module and submodule respectively enter holding state.
9. the battery management system implementation method of many BMS wired in parallel according to claim 7 or 8, it is characterised in that also
Comprise the following steps：
After the primary module closes itself output, alarm and protection information is sent to load by CAN, the load-receipt is arrived
After alarm and protection information, load stops the discharge and recharge to primary module and submodule.
10. a kind of battery management system of many BMS wired in parallel, it is characterised in that include：Multiple BMS modules being connected in parallel；
The BMS modules include CAN communication unit, and the CAN communication unit is connected with load by CAN, multiple BMS moulds
The CAN communication unit of block is connected by CAN；The BMS modules also include ID setup units, and the ID setup units are used for
Set the address of its correspondence BMS module.
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Cited By (7)
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| CN109204188A (en) * | 2017-07-03 | 2019-01-15 | 矢崎总业株式会社 | setting device and computer |
| CN111384455A (en) * | 2020-04-14 | 2020-07-07 | 杭州协能科技股份有限公司 | BMS multi-machine parallel implementation system |
| CN112433590A (en) * | 2020-11-20 | 2021-03-02 | 深圳麦格米特电气股份有限公司 | Power supply management system and method |
| CN112567255A (en) * | 2018-08-17 | 2021-03-26 | 祖克斯有限公司 | Redundant battery management system architecture |
| CN113746172A (en) * | 2021-09-08 | 2021-12-03 | 安徽统凌科技新能源有限公司 | Battery management system with multiple BMS modules connected in parallel |
| CN113764748A (en) * | 2021-09-01 | 2021-12-07 | 江苏固德威电源科技股份有限公司 | Battery management system and multi-cluster parallel energy storage system applying same |
| CN114268515A (en) * | 2021-12-16 | 2022-04-01 | 山东浪潮科学研究院有限公司 | Rapid management system and method for BMS (battery management system) multi-submodule |
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