CN109525002A - A kind of full monomer actively monitoring equilibrium managing and control system of battery group string and control method - Google Patents
A kind of full monomer actively monitoring equilibrium managing and control system of battery group string and control method Download PDFInfo
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- CN109525002A CN109525002A CN201710839387.3A CN201710839387A CN109525002A CN 109525002 A CN109525002 A CN 109525002A CN 201710839387 A CN201710839387 A CN 201710839387A CN 109525002 A CN109525002 A CN 109525002A
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- 239000000178 monomer Substances 0.000 title claims abstract description 51
- 238000012544 monitoring process Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000005611 electricity Effects 0.000 claims abstract description 67
- 238000013024 troubleshooting Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 claims description 3
- 230000003862 health status Effects 0.000 claims description 3
- 241000208340 Araliaceae Species 0.000 claims 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 235000008434 ginseng Nutrition 0.000 claims 1
- 238000004146 energy storage Methods 0.000 abstract description 8
- 230000002457 bidirectional effect Effects 0.000 abstract description 3
- 230000008092 positive effect Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- H02J7/0018—Circuits for equalisation of charge between batteries using separate charge 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
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- 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
-
- 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
- H01M10/46—Accumulators structurally combined with charging apparatus
-
- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
-
- 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
-
- 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 belongs to batteries to store energy technical fields, and in particular to a kind of full monomer actively monitoring equilibrium managing and control system of battery group string and control method.It realizes and the single battery that electricity is higher than average electricity controlled is linked by input terminal by DC/DC module, simultaneously by electricity lower than average electricity single battery it is controlled be linked into output end, in real time by electricity be higher than average electricity single battery in electricity be transferred in time electricity lower than average electricity single battery in complete active equalization；The input terminal or output end of the arbitrary controlled access DC/DC module of single battery in battery group string are realized in control, realize that bidirectional high-efficiency is balanced；Voltage and the electricity consistency for completing each single battery of battery group string are actively effective balanced, its two-way and any controlled adjustment needs the single battery of Balance route, reach efficient, quick, multiple parallel balanced control, safe and healthy, the efficient operation for ensureing energy-storage system of accumulator, applying to energy-storage system has great positive effect.
Description
Technical field
The invention belongs to batteries to store energy technical fields, and in particular to a kind of full monomer actively monitoring of battery group string is balanced
Managing and control system and control method.
Background technique
Energy-storage system of accumulator is the important composition portion of electric car new energy electric power and smart grid and energy internet
Point, especially electrochemical energy storage system enters current transformer by the battery group string that the connection of multiple unit single batteries forms and sets
It is standby to carry out charge and discharge, controlled completion electric adjustment and charge and discharge.Due to the physics itself and chemical characteristic of each single battery
With certain difference, and during installation and operation environment dimension difference so that the battery in battery group string generates
Inconsistency on voltage, electricity affects the efficiency and utilization rate of battery group string entirety, also brings security risk.
In this regard, controlling the real-time monitoring of battery operation, charging and discharging currents, the electricity of each single battery of battery group string
Pressure and electricity consistency Balance route are the key that energy-storage system is safe and healthy, efficient operation, in order to solve this problem, if
It counts effective battery management system BMS dynamic implement and real-time monitoring is carried out for each single battery and in real time by electricity
It is transferred to electricity in time lower than a certain amount of electric power storage of average electricity higher than the electricity in a certain amount of single battery of average electricity
In the monomer of pond, the electricity for reaching each single battery in battery group string meets the requirement of consistency electricity range.
Summary of the invention
In order to solve the defects of prior art and insufficient, the present invention proposes that a kind of full monomer actively monitoring of battery group string is equal
Weigh managing and control system and control method, specifically includes that the 1st cell batteries, the 2nd cell batteries, the 3rd cell batteries, m are mono-
Accumulator body, the 1st cell batteries anode, the 1st cell batteries cathode, the 2nd cell batteries anode, the 2nd cell batteries
Cathode, the 3rd cell batteries anode, the 3rd cell batteries cathode, m cell batteries anode, m cell batteries cathode,
DC/DC module input anode input direct-current bus, DC/DC module input cathode input direct-current bus, the output of DC/DC module
Rectify pole output DC bus, DC/DC module negative pole of output end output DC bus, monitoring and control module, monitoring and control
Series connection wire, DC/DC charging module, the gating control of the 1st cell batteries positive DC bus are opened between bus, single battery
It closes, the 1st cell batteries negative DC bus gating control switch, the 2nd cell batteries positive DC bus gating are controlled and opened
It closes, the 1st cell batteries negative DC bus gating control switch, the 3rd cell batteries positive DC bus gating are controlled and opened
It closes, the 1st cell batteries negative DC bus gating control switch, m cell batteries positive DC bus gating are controlled and opened
It closes, m cell batteries negative DC bus gating control switch, the 1st cell batteries positive DC bus gating are controlled and opened
The anode output DC bus connecting pin of pass, the anode input of the 1st cell batteries positive DC bus gating control switch are straight
Flow bus connecting pin, the cathode input direct-current bus connecting pin of the 1st cell batteries negative DC bus gating control switch, the
1 cell batteries negative DC bus gates the cathode output DC bus connecting pin of control switch, the 2nd cell batteries anode
DC bus gates the anode output DC bus connecting pin of control switch, the gating control of the 2nd cell batteries positive DC bus
Positive input direct-current bus connecting pin, the cathode of the 2nd cell batteries negative DC bus gating control switch for making switch are defeated
Enter the cathode output DC bus connection of DC bus connecting pin, the 2nd cell batteries negative DC bus gating control switch
End, the positive of the 3rd cell batteries positive DC bus gating control switch export DC bus connecting pin, the 3rd monomer electric power storage
Pond positive DC bus gates the positive input direct-current bus connecting pin of control switch, the 3rd cell batteries negative DC bus
Gate the cathode input direct-current bus connecting pin of control switch, the 3rd cell batteries negative DC bus gates control switch
Cathode exports the anode output direct current mother of DC bus connecting pin, m cell batteries positive DC bus gating control switch
Line connecting pin, the positive input direct-current bus connecting pin of m cell batteries positive DC bus gating control switch, m are mono-
The cathode input direct-current bus connecting pin of accumulator body negative DC bus gating control switch, m cell batteries cathode are straight
The cathode for flowing bus gating control switch exports DC bus connecting pin, in which:
1st cell batteries, the 2nd cell batteries, the 3rd cell batteries, m cell batteries every two phase in order
The cathode of adjacent one battery positive voltage of cell batteries and another battery passes through series connection wire between single battery
It is connected, constitutes battery group string；
Its positive 1st cell batteries anode of 1st cell batteries is gated by the 1st cell batteries positive DC bus
The anode output DC bus connecting pin of control switch gating connection the 1st cell batteries positive DC bus gating control switch
And DC/DC mould is connected by the anode output DC bus connecting pin of the 1st cell batteries positive DC bus gating control switch
Block output head anode exports DC bus, while its 1st cell batteries cathode of cathode of the 1st cell batteries passes through the 1st monomer
Battery terminal negative DC bus gates control switch gating connection the 1st cell batteries negative DC bus gating control switch
Cathode exports DC bus connecting pin and exports direct current by the cathode of the 1st cell batteries negative DC bus gating control switch
Bus connecting pin connects DC/DC module negative pole of output end and exports DC bus, constitutes the charging power road of the 1st cell batteries
Diameter；
Its positive 2nd cell batteries anode of 2nd cell batteries is gated by the 2nd cell batteries positive DC bus
The anode output DC bus connecting pin of control switch gating connection the 2nd cell batteries positive DC bus gating control switch
And DC/DC mould is connected by the anode output DC bus connecting pin of the 2nd cell batteries positive DC bus gating control switch
Block output head anode exports DC bus, while its 2nd cell batteries cathode of cathode of the 2nd cell batteries passes through the 2nd monomer
Battery terminal negative DC bus gates control switch gating connection the 2nd cell batteries negative DC bus gating control switch
Cathode exports DC bus connecting pin and exports direct current by the cathode of the 2nd cell batteries negative DC bus gating control switch
Bus connecting pin connects DC/DC module negative pole of output end and exports DC bus, constitutes the charging power road of the 2nd cell batteries
Diameter；
Its positive 3rd cell batteries anode of 3rd cell batteries is gated by the 1st cell batteries positive DC bus
The anode output DC bus connecting pin of control switch gating connection the 3rd cell batteries positive DC bus gating control switch
And DC/DC mould is connected by the anode output DC bus connecting pin of the 3rd cell batteries positive DC bus gating control switch
Block output head anode exports DC bus, while its 3rd cell batteries cathode of cathode of the 3rd cell batteries passes through the 3rd monomer
Battery terminal negative DC bus gates control switch gating connection the 3rd cell batteries negative DC bus gating control switch
Cathode exports DC bus connecting pin and exports direct current by the cathode of the 1st cell batteries negative DC bus gating control switch
Bus connecting pin connects DC/DC module negative pole of output end and exports DC bus, constitutes the charging power road of the 3rd cell batteries
Diameter；
Its anode m cell batteries anode of m cell batteries is gated by m cell batteries positive DC bus
The anode output DC bus connecting pin of control switch gating connection m cell batteries positive DC bus gating control switch
And DC/DC mould is connected by the anode output DC bus connecting pin of m cell batteries positive DC bus gating control switch
Block output head anode exports DC bus, while m cell batteries cathode m cell batteries cathode is stored by m monomer
Battery cathode DC bus gates the negative of control switch gating connection m cell batteries negative DC bus gating control switch
Pole exports DC bus connecting pin and the cathode output direct current mother by m cell batteries negative DC bus gating control switch
Line connecting pin connects DC/DC module negative pole of output end and exports DC bus, constitutes the charging power path of m cell batteries；
Its positive 1st cell batteries anode of 1st cell batteries is gated by the 1st cell batteries positive DC bus
The positive input direct-current bus connecting pin of control switch gating connection the 1st cell batteries positive DC bus gating control switch
And DC/DC mould is connected by the positive input direct-current bus connecting pin of the 1st cell batteries positive DC bus gating control switch
Block input anode input direct-current bus, while its 1st cell batteries cathode of cathode of the 1st cell batteries passes through the 1st monomer
Battery terminal negative DC bus gates control switch gating connection the 1st cell batteries negative DC bus gating control switch
Cathode input direct-current bus connecting pin and the cathode input direct-current that control switch is gated by the 1st cell batteries negative DC bus
Bus connecting pin connects DC/DC module input cathode input direct-current bus, constitutes the discharged power road of the 1st cell batteries
Diameter；
Its positive 2nd cell batteries anode of 2nd cell batteries is gated by the 2nd cell batteries positive DC bus
The positive input direct-current bus connecting pin of control switch gating connection the 2nd cell batteries positive DC bus gating control switch
And DC/DC mould is connected by the positive input direct-current bus connecting pin of the 2nd cell batteries positive DC bus gating control switch
Block input anode input direct-current bus, while its 2nd cell batteries cathode of cathode of the 2nd cell batteries passes through the 2nd monomer
Battery terminal negative DC bus gates control switch gating connection the 2nd cell batteries negative DC bus gating control switch
Cathode input direct-current bus connecting pin and the cathode input direct-current that control switch is gated by the 2nd cell batteries negative DC bus
Bus connecting pin connects DC/DC module input cathode input direct-current bus, constitutes the discharged power road of the 2nd cell batteries
Diameter；
Its positive 3rd cell batteries anode of 3rd cell batteries is gated by the 3rd cell batteries positive DC bus
The positive input direct-current bus connecting pin of control switch gating connection the 3rd cell batteries positive DC bus gating control switch
And DC/DC mould is connected by the positive input direct-current bus connecting pin of the 3rd cell batteries positive DC bus gating control switch
Block input anode input direct-current bus, while its 3rd cell batteries cathode of cathode of the 3rd cell batteries passes through the 3rd monomer
Battery terminal negative DC bus gates control switch gating connection the 3rd cell batteries negative DC bus gating control switch
Cathode input direct-current bus connecting pin and the cathode input direct-current that control switch is gated by the 3rd cell batteries negative DC bus
Bus connecting pin connects DC/DC module input cathode input direct-current bus, constitutes the discharged power road of the 3rd cell batteries
Diameter；
Its anode m cell batteries anode of m cell batteries is gated by m cell batteries positive DC bus
The positive input direct-current bus connecting pin of control switch gating connection m cell batteries positive DC bus gating control switch
And DC/DC mould is connected by the positive input direct-current bus connecting pin of m cell batteries positive DC bus gating control switch
Block input anode input direct-current bus, while m cell batteries its cathode m cell batteries cathode passes through m monomer
Battery terminal negative DC bus gates control switch gating connection m cell batteries negative DC bus gating control switch
Cathode input direct-current bus connecting pin and the cathode input direct-current that control switch is gated by m cell batteries negative DC bus
Bus connecting pin connects DC/DC module input cathode input direct-current bus, constitutes the discharged power road of m cell batteries
Diameter；
DC/DC module input anode input direct-current bus, DC/DC module input cathode input direct-current bus connect respectively
Enter the input terminal of DC/DC charging module, while DC/DC module output head anode output DC bus, DC/DC module output end are negative
Pole output DC bus is separately connected the output end of DC/DC charging module, constitutes the charge-discharge electric power road between single battery
Diameter；
Monitoring is separately connected the 1st cell batteries positive DC bus gating by monitoring and control bus with control module
Control switch, the 1st cell batteries negative DC bus gating control switch, the 2nd cell batteries positive DC bus gating
Control switch, the 1st cell batteries negative DC bus gating control switch, the 3rd cell batteries positive DC bus gating
Control switch, the 1st cell batteries negative DC bus gating control switch, m cell batteries positive DC bus gating
Control switch, m cell batteries negative DC bus gating control switch and DC/DC charging module, constitute battery prison
It surveys and link is managed in charge and discharge；
The primary method of control of the full monomer actively monitoring equilibrium managing and control system of its battery group string are as follows:
1) system electrification is run, and progress self-test first, abnormal alarm enters troubleshooting；
2) when normal, monitoring monitors the parameter of each single battery with control module by monitoring with control bus,
And the state-of-charge and health status of calculating accumulator；
3) it monitors and selects the single battery that electricity is higher and electricity is relatively low in battery group string with control module judgement, and
Control corresponding cell batteries positive DC bus gating control switch and the gating control of cell batteries negative DC bus
Switch, by the input direct-current bus of the higher single battery gating access DC/DC charging module of electricity, by the storage that electricity is relatively low
The output DC bus of battery cell gating access DC/DC charging module, so that part electricity in the higher single battery of electricity
Amount is transferred in the relatively low single battery of electricity by DC/DC charging module；
4) it notes abnormalities, is then alarmed into troubleshooting in charge and discharge process；
5) it monitors with charging and discharging currents and the electricity of control module real time monitoring and adjusting DC/DC charging module and according to setting
The strategy set completes the charge and discharge control of electricity transfer；
6) be transferred to 2) step continue to run.
A kind of full monomer actively monitoring equilibrium managing and control system of battery group string proposed by the present invention and control method, utilize wound
New original system architecture is realized by DC/DC module that electricity is controlled higher than a certain amount of single battery of average electricity
It is linked into input terminal, while electricity is linked into output end lower than a certain amount of single battery of average electricity is controlled, passes through control
Electricity is higher than the electricity in a certain amount of single battery of average electricity in real time and shifted in time by DC/DC module operating current processed
It is lower than in a certain amount of single battery of average electricity to electricity and completes active equalization；The present invention, which can control, realizes battery group
The input terminal or output end of the arbitrary controlled access DC/DC module of single battery, realize that bidirectional high-efficiency is balanced in string；It completes to store
The voltage and electricity consistency of each single battery of battery pack string are actively effective balanced, and two-way and any controlled adjustment needs
The single battery of Balance route reaches efficient, quick, multiple parallel balanced control, ensures the peace of energy-storage system of accumulator
Entirely, health, efficient operation, applying to energy-storage system has great positive effect.
Detailed description of the invention
Fig. 1 is a kind of principle of compositionality block diagram of full monomer actively monitoring equilibrium managing and control system of battery group string.
Specific embodiment
As examples of implementation, in conjunction with Fig. 1 to a kind of full monomer actively monitoring equilibrium managing and control system of battery group string and control
Method is described, and still, technology of the invention and scheme are not limited to the present embodiment the content that son provides.
As shown in Figure 1, the present invention proposes a kind of full monomer actively monitoring equilibrium managing and control system of battery group string and controlling party
Method specifically includes that the 1st cell batteries (1), the 2nd cell batteries (2), the 3rd cell batteries (3), m cell batteries
(m), the 1st cell batteries anode (a11), the 1st cell batteries cathode (aa1), the 2nd cell batteries anode (a21), the 2nd
Cell batteries cathode (aa2), the 3rd cell batteries anode (a31), the 3rd cell batteries cathode (aa3), m monomer electric power storage
Pond anode (am1), m cell batteries cathode (aam), DC/DC module input anode input direct-current bus (4), DC/DC mould
Block input cathode input direct-current bus (5), DC/DC module output head anode output DC bus (6), the output of DC/DC module
It holds cathode output DC bus (7), monitor and control module (8), monitoring and the company of series connection between control bus (9), single battery
Wiring (10), DC/DC charging module (15), the 1st cell batteries positive DC bus gate control switch (11), the 1st monomer
Battery terminal negative DC bus gate control switch (12), the 2nd cell batteries positive DC bus gating control switch (21),
1st cell batteries negative DC bus gating control switch (22), the gating control of the 3rd cell batteries positive DC bus are opened
Close (31), the 1st cell batteries negative DC bus gating control switch (32), the choosing of m cell batteries positive DC bus
Logical control switch (m1), m cell batteries negative DC bus gating control switch (m2), the 1st cell batteries anode are straight
Flow anode output DC bus connecting pin (b11), the 1st cell batteries positive DC bus gating of bus gating control switch
The positive input direct-current bus connecting pin (c11) of control switch, the 1st cell batteries negative DC bus gate control switch
Cathode input direct-current bus connecting pin (bb1), the cathode output of the 1st cell batteries negative DC bus gating control switch are straight
Flow the anode output DC bus connection of bus connecting pin (cc1), the 2nd cell batteries positive DC bus gating control switch
Hold (b21), the positive input direct-current bus connecting pin (c21) of the 2nd cell batteries positive DC bus gating control switch, the
2 cell batteries negative DC buses gate the cathode input direct-current bus connecting pin (bb2) of control switch, the 2nd monomer electric power storage
The cathode that pond negative DC bus gates control switch exports DC bus connecting pin (cc2), the 3rd cell batteries positive DC
Bus gates anode output DC bus connecting pin (b31) of control switch, the gating control of the 3rd cell batteries positive DC bus
Make the positive input direct-current bus connecting pin (c31) of switch, the 3rd cell batteries negative DC bus gates the negative of control switch
The cathode that pole input direct-current bus connecting pin (bb3), the 3rd cell batteries negative DC bus gate control switch exports direct current
Bus connecting pin (cc3), the positive of m cell batteries positive DC bus gating control switch export DC bus connecting pin
(bm1), the positive input direct-current bus connecting pin (cm1) of m cell batteries positive DC bus gating control switch, m
Cell batteries negative DC bus gates the cathode input direct-current bus connecting pin (bbm) of control switch, m cell batteries
The cathode that negative DC bus gates control switch exports DC bus connecting pin (ccm), in which:
1st cell batteries (1), the 2nd cell batteries (2), the 3rd cell batteries (3), m cell batteries (m) according to
The cathode of sequentially every two adjacent one battery positive voltage of cell batteries and another battery passes through single battery
Between series connection wire (10) be connected, constitute battery group string；
Its positive 1st cell batteries positive (a11) of 1st cell batteries (1) pass through the 1st cell batteries positive DC
The anode output that bus gates control switch (11) gating connection the 1st cell batteries positive DC bus gating control switch is straight
Flow bus connecting pin (b11) and the anode output DC bus by the 1st cell batteries positive DC bus gating control switch
Connecting pin (b11) connects DC/DC module output head anode output DC bus (6), while the 1st cell batteries (1) its cathode
1st cell batteries cathode (aa1) passes through the 1st cell batteries negative DC bus gating control switch (12) gating connection the
1 cell batteries negative DC bus gates cathode output DC bus connecting pin (cc1) of control switch and is stored by the 1st monomer
Cathode output DC bus connecting pin (cc1) that battery cathode DC bus gates control switch connects DC/DC module output end
Cathode exports DC bus (7), constitutes the charging power path of the 1st cell batteries (1)；
Its positive 2nd cell batteries positive (a21) of 2nd cell batteries (2) pass through the 2nd cell batteries positive DC
The anode output that bus gates control switch (21) gating connection the 2nd cell batteries positive DC bus gating control switch is straight
Flow bus connecting pin (b21) and the anode output DC bus by the 2nd cell batteries positive DC bus gating control switch
Connecting pin (b21) connects DC/DC module output head anode output DC bus (6), while the 2nd cell batteries (2) its cathode
2nd cell batteries cathode (aa2) passes through the 2nd cell batteries negative DC bus gating control switch (22) gating connection the
2 cell batteries negative DC buses gate cathode output DC bus connecting pin (cc2) of control switch and are stored by the 2nd monomer
Cathode output DC bus connecting pin (cc2) that battery cathode DC bus gates control switch connects DC/DC module output end
Cathode exports DC bus (7), constitutes the charging power path of the 2nd cell batteries (2)；
Its positive 3rd cell batteries positive (a31) of 3rd cell batteries (3) pass through the 1st cell batteries positive DC
The anode output that bus gates control switch (31) gating connection the 3rd cell batteries positive DC bus gating control switch is straight
Flow bus connecting pin (b31) and the anode output DC bus by the 3rd cell batteries positive DC bus gating control switch
Connecting pin (b31) connects DC/DC module output head anode output DC bus (6), while the 3rd cell batteries (3) its cathode
3rd cell batteries cathode (aa3) passes through the 3rd cell batteries negative DC bus gating control switch (32) gating connection the
3 cell batteries negative DC buses gate cathode output DC bus connecting pin (cc3) of control switch and are stored by the 1st monomer
Cathode output DC bus connecting pin (cc3) that battery cathode DC bus gates control switch connects DC/DC module output end
Cathode exports DC bus (7), constitutes the charging power path of the 3rd cell batteries (3)；
Its anode m cell batteries of m cell batteries (m) positive (am1) pass through m cell batteries positive DC
The anode output that bus gates control switch (m1) gating connection m cell batteries positive DC bus gating control switch is straight
Flow bus connecting pin (bm1) and the anode output DC bus by m cell batteries positive DC bus gating control switch
Connecting pin (bm1) connects DC/DC module output head anode output DC bus (6), while m cell batteries (m) its cathode
M cell batteries cathode (aam) passes through m cell batteries negative DC bus gating control switch (m2) gating connection the
M cell batteries negative DC bus gates cathode output DC bus connecting pin (ccm) of control switch and is stored by m monomer
Cathode output DC bus connecting pin (ccm) that battery cathode DC bus gates control switch connects DC/DC module output end
Cathode exports DC bus (7), constitutes the charging power path of m cell batteries (m)；
Its positive 1st cell batteries positive (a11) of 1st cell batteries (1) pass through the 1st cell batteries positive DC
The anode input that bus gates control switch (11) gating connection the 1st cell batteries positive DC bus gating control switch is straight
Flow bus connecting pin (c11) and by the positive input direct-current bus of the 1st cell batteries positive DC bus gating control switch
Connecting pin (c11) connects DC/DC module input anode input direct-current bus (4), while the 1st cell batteries (1) its cathode
1st cell batteries cathode (aa1) passes through the 1st cell batteries negative DC bus gating control switch (12) gating connection the
1 cell batteries negative DC bus gates the cathode input direct-current bus connecting pin (bb1) of control switch and is stored by the 1st monomer
The cathode input direct-current bus connecting pin (bb1) that battery cathode DC bus gates control switch connects DC/DC module input
Cathode input direct-current bus (5) constitutes the discharged power path of the 1st cell batteries (1)；
Its positive 2nd cell batteries positive (a21) of 2nd cell batteries (2) pass through the 2nd cell batteries positive DC
The anode input that bus gates control switch (21) gating connection the 2nd cell batteries positive DC bus gating control switch is straight
Flow bus connecting pin (c21) and by the positive input direct-current bus of the 2nd cell batteries positive DC bus gating control switch
Connecting pin (c21) connects DC/DC module input anode input direct-current bus (4), while the 2nd cell batteries (2) its cathode
2nd cell batteries cathode (aa2) passes through the 2nd cell batteries negative DC bus gating control switch (22) gating connection the
2 cell batteries negative DC buses gate the cathode input direct-current bus connecting pin (bb2) of control switch and are stored by the 2nd monomer
The cathode input direct-current bus connecting pin (bb2) that battery cathode DC bus gates control switch connects DC/DC module input
Cathode input direct-current bus (5) constitutes the discharged power path of the 2nd cell batteries (2)；
Its positive 3rd cell batteries positive (a31) of 3rd cell batteries (3) pass through the 3rd cell batteries positive DC
The anode input that bus gates control switch (31) gating connection the 3rd cell batteries positive DC bus gating control switch is straight
Flow bus connecting pin (c31) and by the positive input direct-current bus of the 3rd cell batteries positive DC bus gating control switch
Connecting pin (c31) connects DC/DC module input anode input direct-current bus (4), while the 3rd cell batteries (3) its cathode
3rd cell batteries cathode (aa3) passes through the 3rd cell batteries negative DC bus gating control switch (32) gating connection the
3 cell batteries negative DC buses gate the cathode input direct-current bus connecting pin (bb3) of control switch and are stored by the 3rd monomer
The cathode input direct-current bus connecting pin (bb3) that battery cathode DC bus gates control switch connects DC/DC module input
Cathode input direct-current bus (5) constitutes the discharged power path of the 3rd cell batteries (3)；
Its anode m cell batteries of m cell batteries (m) positive (am1) pass through m cell batteries positive DC
The anode input that bus gates control switch (1m) gating connection m cell batteries positive DC bus gating control switch is straight
Flow bus connecting pin (cm1) and by the positive input direct-current bus of m cell batteries positive DC bus gating control switch
Connecting pin (cm1) connects DC/DC module input anode input direct-current bus (4), while m cell batteries (m) its cathode
M cell batteries cathode (aam) passes through m cell batteries negative DC bus gating control switch (m2) gating connection the
M cell batteries negative DC bus gates the cathode input direct-current bus connecting pin (bbm) of control switch and is stored by m monomer
The cathode input direct-current bus connecting pin (bbm) that battery cathode DC bus gates control switch connects DC/DC module input
Cathode input direct-current bus (5) constitutes the discharged power path of m cell batteries (m)；
DC/DC module input anode input direct-current bus (4), DC/DC module input cathode input direct-current bus (5)
It is respectively connected to the input terminal of DC/DC charging module (15), while DC/DC module output head anode exports DC bus (6), DC/
DC module negative pole of output end output DC bus (7) is separately connected the output end of DC/DC charging module (15), constitutes battery list
Charge-discharge electric power path between body；
It monitors and the 1st cell batteries positive DC mother is separately connected by monitoring and control bus (9) with control module (8)
Line selection is leading to control switch (11), the 1st cell batteries negative DC bus gating control switch (12), the 2nd cell batteries just
Pole DC bus gates control switch (21), the 1st cell batteries negative DC bus gates control switch (22), the 3rd monomer
Battery positive voltage DC bus gate control switch (31), the 1st cell batteries negative DC bus gating control switch (32),
M cell batteries positive DC bus gating control switch (m1), the gating control of m cell batteries negative DC bus are opened
(m2) and DC/DC charging module (15) are closed, accumulator monitoring is constituted and link is managed in charge and discharge；
The primary method of control of the full monomer actively monitoring equilibrium managing and control system of its battery group string are as follows:
1) system electrification is run, and progress self-test first, abnormal alarm enters troubleshooting；
2) when normal, monitoring monitors each single battery with control bus (9) by monitoring with control module (8)
Parameter, and the state-of-charge and health status of calculating accumulator；
3) it monitors and selects the battery list that electricity is higher and electricity is relatively low in battery group string with control module (8) judgement
Body, and control corresponding cell batteries positive DC bus gating control switch and cell batteries negative DC bus gating
Control switch, by the input direct-current bus of higher single battery gating access DC/DC charging module (15) of electricity, by electricity
The output DC bus of relatively low single battery gating access DC/DC charging module (15), so that the battery that electricity is higher
Part electricity is transferred in the relatively low single battery of electricity by DC/DC charging module (15) in monomer；
4) it notes abnormalities, is then alarmed into troubleshooting in charge and discharge process；
5) monitor with control module (8) real time monitoring and adjust the charging and discharging currents and electricity of DC/DC charging module (15)
And the charge and discharge control of electricity transfer is completed according to the strategy of setting；
6) be transferred to 2) step continue to run.
A kind of full monomer actively monitoring equilibrium managing and control system of battery group string proposed by the present invention and control method, utilize wound
New original system architecture is realized by DC/DC module that electricity is controlled higher than a certain amount of single battery of average electricity
It is linked into input terminal, while electricity is linked into output end lower than a certain amount of single battery of average electricity is controlled, passes through control
Electricity is higher than the electricity in a certain amount of single battery of average electricity in real time and shifted in time by DC/DC module operating current processed
It is lower than in a certain amount of single battery of average electricity to electricity and completes active equalization；The present invention, which can control, realizes battery group
The input terminal or output end of the arbitrary controlled access DC/DC module of single battery, realize that bidirectional high-efficiency is balanced in string；It completes to store
The voltage and electricity consistency of each single battery of battery pack string are actively effective balanced, and two-way and any controlled adjustment needs
The single battery of Balance route reaches efficient, quick, multiple parallel balanced control, ensures the peace of energy-storage system of accumulator
Entirely, health, efficient operation, applying to energy-storage system has great positive effect.
Claims (1)
1. a kind of full monomer actively monitoring equilibrium managing and control system of battery group string and control method, specifically include that the 1st monomer electric power storage
Pond (1), the 2nd cell batteries (2), the 3rd cell batteries (3), m cell batteries (m), the 1st cell batteries anode
(a11), the 1st cell batteries cathode (aa1), the 2nd cell batteries positive (a21), the 2nd cell batteries cathode (aa2), the
3 cell batteries anode (a31), the 3rd cell batteries cathode (aa3), m cell batteries positive (am1), m monomer store
Battery cathode (aam), DC/DC module input anode input direct-current bus (4), DC/DC module input cathode input direct-current
Bus (5), DC/DC module output head anode output DC bus (6), DC/DC module negative pole of output end export DC bus
(7), series connection wire (10), DC/DC charge between monitoring and control module (8), monitoring and control bus (9), single battery
Module (15), the 1st cell batteries positive DC bus gate control switch (11), the 1st cell batteries negative DC bus
Gate control switch (12), the 2nd cell batteries positive DC bus gates control switch (21), the 1st cell batteries cathode
DC bus gates control switch (22), the 3rd cell batteries positive DC bus gating control switch (31), the 1st monomer storage
Battery cathode DC bus gates control switch (32), m cell batteries positive DC bus gating control switch (m1), the
M cell batteries negative DC bus gates control switch (m2), the 1st cell batteries positive DC bus gates control switch
Anode output DC bus connecting pin (b11), the 1st cell batteries positive DC bus gating control switch anode input
The cathode input direct-current bus that DC bus connecting pin (c11), the 1st cell batteries negative DC bus gate control switch connects
Connect end (bb1), the 1st cell batteries negative DC bus gating control switch cathode output DC bus connecting pin (cc1),
2nd cell batteries positive DC bus gates anode output DC bus connecting pin (b21) of control switch, the 2nd monomer stores
The positive input direct-current bus connecting pin (c21) of anode DC bus gating control switch, the 2nd cell batteries cathode are straight
Flow cathode input direct-current bus connecting pin (bb2), the 2nd cell batteries negative DC bus gating of bus gating control switch
Cathode output DC bus connecting pin (cc2) of control switch, the 3rd cell batteries positive DC bus gate control switch
Anode output DC bus connecting pin (b31), the anode input of the 3rd cell batteries positive DC bus gating control switch are straight
Flow the cathode input direct-current bus connection of bus connecting pin (c31), the 3rd cell batteries negative DC bus gating control switch
Hold (bb3), cathode output DC bus connecting pin (cc3) of the 3rd cell batteries negative DC bus gating control switch, the
M cell batteries positive DC bus gates anode output DC bus connecting pin (bm1), m monomer electric power storage of control switch
Pond positive DC bus gates the positive input direct-current bus connecting pin (cm1) of control switch, m cell batteries negative DC
Bus gates the cathode input direct-current bus connecting pin (bbm) of control switch, the gating control of m cell batteries negative DC bus
The cathode of system switch exports DC bus connecting pin (ccm), in which:
1st cell batteries (1), the 2nd cell batteries (2), the 3rd cell batteries (3), m cell batteries (m) are in order
The cathode of one battery positive voltage of every two adjacent cell batteries and another battery is gone here and there between passing through single battery
Join connecting line (10) to be connected, constitutes battery group string；
Its positive 1st cell batteries positive (a11) of 1st cell batteries (1) pass through the 1st cell batteries positive DC bus
The anode output direct current for gating control switch (11) gating connection the 1st cell batteries positive DC bus gating control switch is female
Line connecting pin (b11) is simultaneously connected by the anode output DC bus of the 1st cell batteries positive DC bus gating control switch
(b11) connection DC/DC module output head anode output DC bus (6) is held, while its cathode the 1st of the 1st cell batteries (1) is single
Accumulator body cathode (aa1) passes through the 1st cell batteries negative DC bus gating control switch (12) gating the 1st monomer of connection
Battery terminal negative DC bus gates cathode output DC bus connecting pin (cc1) of control switch and by the 1st cell batteries
Cathode output DC bus connecting pin (cc1) that negative DC bus gates control switch connects DC/DC module negative pole of output end
It exports DC bus (7), constitutes the charging power path of the 1st cell batteries (1)；
Its positive 2nd cell batteries positive (a21) of 2nd cell batteries (2) pass through the 2nd cell batteries positive DC bus
The anode output direct current for gating control switch (21) gating connection the 2nd cell batteries positive DC bus gating control switch is female
Line connecting pin (b21) is simultaneously connected by the anode output DC bus of the 2nd cell batteries positive DC bus gating control switch
(b21) connection DC/DC module output head anode output DC bus (6) is held, while its cathode the 2nd of the 2nd cell batteries (2) is single
Accumulator body cathode (aa2) passes through the 2nd cell batteries negative DC bus gating control switch (22) gating the 2nd monomer of connection
Battery terminal negative DC bus gates cathode output DC bus connecting pin (cc2) of control switch and by the 2nd cell batteries
Cathode output DC bus connecting pin (cc2) that negative DC bus gates control switch connects DC/DC module negative pole of output end
It exports DC bus (7), constitutes the charging power path of the 2nd cell batteries (2)；
Its positive 3rd cell batteries positive (a31) of 3rd cell batteries (3) pass through the 1st cell batteries positive DC bus
The anode output direct current for gating control switch (31) gating connection the 3rd cell batteries positive DC bus gating control switch is female
Line connecting pin (b31) is simultaneously connected by the anode output DC bus of the 3rd cell batteries positive DC bus gating control switch
(b31) connection DC/DC module output head anode output DC bus (6) is held, while its cathode the 3rd of the 3rd cell batteries (3) is single
Accumulator body cathode (aa3) passes through the 3rd cell batteries negative DC bus gating control switch (32) gating the 3rd monomer of connection
Battery terminal negative DC bus gates cathode output DC bus connecting pin (cc3) of control switch and by the 1st cell batteries
Cathode output DC bus connecting pin (cc3) that negative DC bus gates control switch connects DC/DC module negative pole of output end
It exports DC bus (7), constitutes the charging power path of the 3rd cell batteries (3)；
Its anode m cell batteries of m cell batteries (m) positive (am1) pass through m cell batteries positive DC bus
The anode output direct current for gating control switch (m1) gating connection m cell batteries positive DC bus gating control switch is female
Line connecting pin (bm1) is simultaneously connected by the anode output DC bus of m cell batteries positive DC bus gating control switch
(bm1) connection DC/DC module output head anode output DC bus (6) is held, while its cathode of m cell batteries (m) m is mono-
Accumulator body cathode (aam) passes through m cell batteries negative DC bus gating control switch (m2) gating connection m monomer
Battery terminal negative DC bus gates cathode output DC bus connecting pin (ccm) of control switch and by m cell batteries
Cathode output DC bus connecting pin (ccm) that negative DC bus gates control switch connects DC/DC module negative pole of output end
It exports DC bus (7), constitutes the charging power path of m cell batteries (m)；
Its positive 1st cell batteries positive (a11) of 1st cell batteries (1) pass through the 1st cell batteries positive DC bus
The positive input direct-current for gating control switch (11) gating connection the 1st cell batteries positive DC bus gating control switch is female
Line connecting pin (c11) is simultaneously connected by the positive input direct-current bus of the 1st cell batteries positive DC bus gating control switch
(c11) connection DC/DC module input anode input direct-current bus (4) is held, while its cathode the 1st of the 1st cell batteries (1) is single
Accumulator body cathode (aa1) passes through the 1st cell batteries negative DC bus gating control switch (12) gating the 1st monomer of connection
Battery terminal negative DC bus gates the cathode input direct-current bus connecting pin (bb1) of control switch and by the 1st cell batteries
The cathode input direct-current bus connecting pin (bb1) that negative DC bus gates control switch connects DC/DC module input cathode
Input direct-current bus (5) constitutes the discharged power path of the 1st cell batteries (1)；
Its positive 2nd cell batteries positive (a21) of 2nd cell batteries (2) pass through the 2nd cell batteries positive DC bus
The positive input direct-current for gating control switch (21) gating connection the 2nd cell batteries positive DC bus gating control switch is female
Line connecting pin (c21) is simultaneously connected by the positive input direct-current bus of the 2nd cell batteries positive DC bus gating control switch
(c21) connection DC/DC module input anode input direct-current bus (4) is held, while its cathode the 2nd of the 2nd cell batteries (2) is single
Accumulator body cathode (aa2) passes through the 2nd cell batteries negative DC bus gating control switch (22) gating the 2nd monomer of connection
Battery terminal negative DC bus gates the cathode input direct-current bus connecting pin (bb2) of control switch and by the 2nd cell batteries
The cathode input direct-current bus connecting pin (bb2) that negative DC bus gates control switch connects DC/DC module input cathode
Input direct-current bus (5) constitutes the discharged power path of the 2nd cell batteries (2)；
Its positive 3rd cell batteries positive (a31) of 3rd cell batteries (3) pass through the 3rd cell batteries positive DC bus
The positive input direct-current for gating control switch (31) gating connection the 3rd cell batteries positive DC bus gating control switch is female
Line connecting pin (c31) is simultaneously connected by the positive input direct-current bus of the 3rd cell batteries positive DC bus gating control switch
(c31) connection DC/DC module input anode input direct-current bus (4) is held, while its cathode the 3rd of the 3rd cell batteries (3) is single
Accumulator body cathode (aa3) passes through the 3rd cell batteries negative DC bus gating control switch (32) gating the 3rd monomer of connection
Battery terminal negative DC bus gates the cathode input direct-current bus connecting pin (bb3) of control switch and by the 3rd cell batteries
The cathode input direct-current bus connecting pin (bb3) that negative DC bus gates control switch connects DC/DC module input cathode
Input direct-current bus (5) constitutes the discharged power path of the 3rd cell batteries (3)；
Its anode m cell batteries of m cell batteries (m) positive (am1) pass through m cell batteries positive DC bus
The positive input direct-current for gating control switch (1m) gating connection m cell batteries positive DC bus gating control switch is female
Line connecting pin (cm1) is simultaneously connected by the positive input direct-current bus of m cell batteries positive DC bus gating control switch
(cm1) connection DC/DC module input anode input direct-current bus (4) is held, while its cathode of m cell batteries (m) m is mono-
Accumulator body cathode (aam) passes through m cell batteries negative DC bus gating control switch (m2) gating connection m monomer
Battery terminal negative DC bus gates the cathode input direct-current bus connecting pin (bbm) of control switch and by m cell batteries
The cathode input direct-current bus connecting pin (bbm) that negative DC bus gates control switch connects DC/DC module input cathode
Input direct-current bus (5) constitutes the discharged power path of m cell batteries (m)；
DC/DC module input anode input direct-current bus (4), DC/DC module input cathode input direct-current bus (5) are respectively
The input terminal of DC/DC charging module (15) is accessed, while DC/DC module output head anode exports DC bus (6), DC/DC mould
Block negative pole of output end output DC bus (7) is separately connected the output ends of DC/DC charging module (15), constitute single battery it
Between charge-discharge electric power path；
Monitoring is separately connected the choosing of the 1st cell batteries positive DC bus by monitoring and control bus (9) with control module (8)
Logical control switch (11), the 1st cell batteries negative DC bus gating control switch (12), the 2nd cell batteries anode are straight
Flow bus gating control switch (21), the 1st cell batteries negative DC bus gates control switch (22), the 3rd monomer electric power storage
Pond positive DC bus gates control switch (31), the 1st cell batteries negative DC bus gates control switch (32), m
Cell batteries positive DC bus gates control switch (m1), m cell batteries negative DC bus gates control switch
(m2) and link is managed in DC/DC charging module (15), composition accumulator monitoring and charge and discharge；
The primary method of control of the full monomer actively monitoring equilibrium managing and control system of its battery group string are as follows:
1) system electrification is run, and progress self-test first, abnormal alarm enters troubleshooting；
2) when normal, monitoring monitors the ginseng of each single battery with control module (8) by monitoring with control bus (9)
Number, and the state-of-charge and health status of calculating accumulator；
3) it monitors and selects the single battery that electricity is higher and electricity is relatively low in battery group string with control module (8) judgement, and
Control corresponding cell batteries positive DC bus gating control switch and the gating control of cell batteries negative DC bus
Switch, it is by the input direct-current bus of higher single battery gating access DC/DC charging module (15) of electricity, electricity is relatively low
Single battery gating access DC/DC charging module (15) output DC bus so that the single battery that electricity is higher
Middle part electricity is transferred in the relatively low single battery of electricity by DC/DC charging module (15)；
4) it notes abnormalities, is then alarmed into troubleshooting in charge and discharge process；
5) charging and discharging currents and the electricity with control module (8) real time monitoring and adjusting DC/DC charging module (15) are monitored and is pressed
The charge and discharge control of electricity transfer is completed according to the strategy of setting；
6) be transferred to 2) step continue to run.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710839387.3A CN109525002A (en) | 2017-09-19 | 2017-09-19 | A kind of full monomer actively monitoring equilibrium managing and control system of battery group string and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710839387.3A CN109525002A (en) | 2017-09-19 | 2017-09-19 | A kind of full monomer actively monitoring equilibrium managing and control system of battery group string and control method |
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| CN109525002A true CN109525002A (en) | 2019-03-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492553A (en) * | 2019-07-22 | 2019-11-22 | 国网江苏省电力有限公司电力科学研究院 | A kind of electrochemical energy storage system active equalization circuit and balance control method |
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|---|---|---|---|---|
| EP2161810A1 (en) * | 2008-09-05 | 2010-03-10 | O2 Micro, Inc. | Cell balancing system comprising a transformer |
| DE102010037094A1 (en) * | 2010-08-20 | 2012-02-23 | Hochschule Regensburg | Charge equalization circuit for e.g. lithium ion battery cells of vehicle, has connection unit delivering battery cell via direct current/direct current converter selectively either with another battery cell or connecting third cell |
| EP2757653A1 (en) * | 2013-01-17 | 2014-07-23 | Fico Triad S.A. | Electronic device suitable for managing the direction of current and battery made up of modules which incorporate said device |
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2017
- 2017-09-19 CN CN201710839387.3A patent/CN109525002A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2161810A1 (en) * | 2008-09-05 | 2010-03-10 | O2 Micro, Inc. | Cell balancing system comprising a transformer |
| DE102010037094A1 (en) * | 2010-08-20 | 2012-02-23 | Hochschule Regensburg | Charge equalization circuit for e.g. lithium ion battery cells of vehicle, has connection unit delivering battery cell via direct current/direct current converter selectively either with another battery cell or connecting third cell |
| EP2757653A1 (en) * | 2013-01-17 | 2014-07-23 | Fico Triad S.A. | Electronic device suitable for managing the direction of current and battery made up of modules which incorporate said device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492553A (en) * | 2019-07-22 | 2019-11-22 | 国网江苏省电力有限公司电力科学研究院 | A kind of electrochemical energy storage system active equalization circuit and balance control method |
| CN110492553B (en) * | 2019-07-22 | 2021-01-26 | 国网江苏省电力有限公司电力科学研究院 | Active equalization circuit and equalization control method for electrochemical energy storage system |
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