CN111987374A - Lead-acid storage battery online activation maintenance system based on forward spike pulse excitation - Google Patents
Lead-acid storage battery online activation maintenance system based on forward spike pulse excitation Download PDFInfo
- Publication number
- CN111987374A CN111987374A CN202010939990.0A CN202010939990A CN111987374A CN 111987374 A CN111987374 A CN 111987374A CN 202010939990 A CN202010939990 A CN 202010939990A CN 111987374 A CN111987374 A CN 111987374A
- Authority
- CN
- China
- Prior art keywords
- battery
- internal resistance
- storage battery
- module
- maintenance system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012423 maintenance Methods 0.000 title claims abstract description 44
- 230000005284 excitation Effects 0.000 title claims abstract description 42
- 230000004913 activation Effects 0.000 title claims abstract description 37
- 239000002253 acid Substances 0.000 title claims abstract description 24
- 238000005070 sampling Methods 0.000 claims abstract description 31
- 238000012216 screening Methods 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 8
- 238000003745 diagnosis Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 abstract description 17
- 238000002474 experimental method Methods 0.000 abstract description 8
- 230000003213 activating effect Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910000464 lead oxide Inorganic materials 0.000 description 2
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 2
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000013543 active substance Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- H01M10/06—Lead-acid accumulators
-
- 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
- H01M10/4242—Regeneration of electrolyte or reactants
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a lead-acid storage battery online activation maintenance system based on forward spike pulse excitation, which comprises a storage battery online activation maintenance system, wherein the storage battery online activation maintenance system comprises an internal resistance sampling and excitation module and a data intelligent screening module. The invention can find the battery with the quality characteristic deviating from the whole group characteristic in time in the battery operation process, and play a role in activating the battery by exciting the online forward sharp pulse, thereby ensuring the consistency of the internal resistance of the battery pack, realizing the remote automatic maintenance of the activation of the storage battery, improving the quality state of single batteries, improving the discharge reliability of the battery pack and prolonging the service life of the battery, and the invention has the following advantages: firstly, reducing the workload: the battery quantity of a large UPS system is thousands of batteries, each battery is provided with an internal resistance sampling and exciting module, each group of battery pack is provided with a data intelligent screening module, the charging and discharging experiments can be easily realized one by one, and the physical strength is saved.
Description
Technical Field
The invention relates to the technical field of storage battery management and maintenance, in particular to a lead-acid storage battery online activation maintenance system based on forward spike pulse excitation.
Background
The accumulator is a device for directly converting chemical energy into electric energy, is a battery designed according to rechargeable design, realizes recharging through reversible chemical reaction, is generally a lead-acid accumulator, is one of batteries, belongs to a secondary battery, and has the working principle: the internal active substance is regenerated by using external electric energy during charging, the electric energy is stored into chemical energy, the chemical energy is converted into electric energy again for output when discharging is needed, and the storage battery is used as energy storage equipment and is a backup power source for most application occasions.
After the lead-acid storage battery is discharged, the lead of the negative plate (and the lead oxide of the positive plate) is converted into lead sulfate, the lead sulfate is reduced into lead (and lead oxide) during charging, the storage battery is in a floating charge state for a long time in the use process, the discharging and charging operation is not carried out for a long time, the activity of the electrolyte of the battery is reduced, the polar plate is oxidized, the electricity storage capacity of the battery is reduced or even completely lost, and therefore a regular charging and discharging experiment is required during the operation of the storage battery, namely the storage battery is taken out of an operation device, is connected with a discharging resistor to discharge and then is charged, the activity of the storage battery is recovered repeatedly for a plurality of times, and the service life of the storage battery is prolonged.
The maintenance method has the following defects: firstly, the workload is large: the number of large UPS system batteries is thousands, and the time and physical strength consumed by performing charge-discharge experiments one by one are hard to bear; secondly, risk is generated: because the charger is closed during the discharge of the storage battery, a tester records data once every half hour, and the over-discharge of the whole group of batteries and a single storage battery can be caused during the two data recording periods; thirdly, discharging needs certain professional knowledge: during discharging, the voltage of the whole battery set and the voltage of a single battery are required to be within a certain range, and the safety of a direct current system can be ensured; fourthly, potential safety hazards are generated: because the off-line charging and discharging experiment is long in time and complex in operation, the operation cannot be frequently carried out, generally, the operation is carried out once a half year or once a year, the performance state of the battery is unknown during the half year or the year, and once the performance of any one battery falls behind, the discharging capacity of the whole battery is influenced, and serious accidents are caused.
Disclosure of Invention
The invention aims to provide an on-line activation maintenance system of a lead-acid storage battery based on forward spike pulse excitation, which has the advantages that the consistency of the internal resistance of each single battery in a storage battery pack can be reasonably judged under a floating charge state, the forward spike pulse excitation maintenance can be automatically carried out on the storage battery with unbalanced internal resistance, and the problems of large-current discharge and activation of the storage battery are solved.
In order to achieve the purpose, the invention provides the following technical scheme: the lead-acid storage battery online activation maintenance system based on forward spike pulse excitation comprises a storage battery online activation maintenance system, wherein the storage battery online activation maintenance system comprises an internal resistance sampling and excitation module and a data intelligent screening module.
Preferably, each battery is provided with an internal resistance sampling and exciting module, and each group of battery pack is provided with an intelligent data screening module.
Preferably, each internal resistance sampling and excitation module is connected with the intelligent data screening module through an internal bus.
Preferably, the internal resistance sampling and exciting module samples the internal resistance data of the single storage battery and transmits the internal resistance data to the data intelligent screening module.
Preferably, the intelligent data screening module predicts the consistency of the battery quality state by performing staged internal group data acquisition and intelligent diagnosis analysis on the running storage battery, activates and maintains the laggard single battery on line, and improves the laggard battery quality state.
Preferably, the work flow of the lead-acid storage battery online activation maintenance system based on forward spike excitation is as follows:
the lead-acid storage battery online activation maintenance method comprises the steps that firstly, internal resistance data of single batteries are collected through an internal resistance sampling and excitation module, a data intelligent screening module collects and aggregates the internal resistance data of the single batteries in a storage battery pack and then carries out logic analysis and judgment, the batteries with relatively poor battery performance are screened out and are numbered and matched, then a maintenance command is immediately sent to a single battery internal resistance sampling and excitation module with the corresponding number, and the internal resistance sampling and excitation module carries out forward sharp pulse excitation maintenance so as to achieve online diagnosis of inconsistency of battery states and control of internal resistance consistency of the storage batteries in a group, enable the internal resistance of each storage battery to be in a balanced value and guarantee consistency of charge and discharge efficiency of each single battery in the whole group of batteries.
Preferably, the logic for judging the screening by the data intelligent screening module is as follows:
firstly, judging whether the current of the battery pack is smaller than the upper limit of the float charging current to determine whether the battery pack is in a float charging state, if not, returning to the initial state for circular judgment, if so, entering the next step of calculating the internal resistance average value of all batteries of the battery pack, then subtracting the internal resistance average value from the maximum value of the internal resistance of the single batteries in the screened battery pack, comparing the obtained difference value with a set internal resistance threshold value, if not, returning to the initial state for circular judgment, if not, executing the next operation, if the internal resistance threshold value is smaller than, issuing the number of the single battery with the maximum internal resistance in the battery pack to an internal resistance sampling and excitation module, and the internal resistance sampling and excitation module.
Compared with the prior art, the invention has the following beneficial effects:
the invention can find the battery with the quality characteristic deviating from the whole group characteristic in time in the battery operation process, and play a role in activating the battery by exciting the online forward sharp pulse, thereby ensuring the consistency of the internal resistance of the battery pack, realizing the remote automatic maintenance of the activation of the storage battery, improving the quality state of single batteries, improving the discharge reliability of the battery pack and prolonging the service life of the battery, and the invention has the following advantages: firstly, reducing the workload: the battery number of a large UPS system is thousands of batteries, each battery is provided with an internal resistance sampling and exciting module, each group of battery pack is provided with a data intelligent screening module, so that charging and discharging experiments can be easily performed one by one, and physical strength is saved; secondly, the risk is low: because the charger is started during the discharge of the storage battery, when a tester records data once every half hour, the whole group of batteries and a single storage battery are under the supervision of the system during the two data recording periods, and the over-discharge phenomenon is not easy to occur; the voltage of the whole battery set and the voltage of a single battery can be kept within a certain range during discharging, so that the safety of a direct current system is ensured; fourthly, potential safety hazards are low: because the off-line charging and discharging experiment is long in time and complex in operation, the operation cannot be frequently carried out, generally, the performance state of the battery is monitored at any time and any place in half a year or one year, and once the performance of any battery falls behind, the discharging capacity of the whole battery is ensured, and serious accidents are avoided.
Drawings
FIG. 1 is an overall block diagram of the battery on-line activation maintenance system of the present invention;
fig. 2 is a flow chart of the operation of the present invention.
In the figure: 1. a storage battery online activation maintenance system; 2. an internal resistance sampling and exciting module; 3. data intelligent screening module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the lead-acid storage battery online activation maintenance system based on forward spike pulse excitation comprises a storage battery online activation maintenance system 1, wherein the storage battery online activation maintenance system 1 comprises an internal resistance sampling and excitation module 2 and a data intelligent screening module 3.
In the invention: each battery is provided with an internal resistance sampling and exciting module 2, and each group of battery packs is provided with a data intelligent screening module 3.
In the invention: each internal resistance sampling and exciting module 2 is connected with the intelligent data screening module 3 through an internal bus.
In the invention: the internal resistance sampling and excitation module 2 samples the internal resistance data of the single storage battery and transmits the internal resistance data to the intelligent data screening module 3.
In the invention: the intelligent data screening module 3 predicts the consistency of the battery quality state by carrying out staged internal group data acquisition and intelligent diagnosis analysis on the running storage battery, activates and maintains the laggard single battery on line, and promotes the laggard battery quality state.
In the invention: the working process of the lead-acid storage battery on-line activation maintenance system based on forward spike pulse excitation is as follows:
the lead-acid storage battery online activation maintenance firstly collects the internal resistance data of the single batteries through the internal resistance sampling and excitation module 2, the data intelligent screening module 3 collects and aggregates the internal resistance data of the single batteries in the storage battery pack, then carries out logic analysis and judgment, screens out the batteries with relatively poor battery performance and carries out numbering matching, then immediately sends a maintenance command to the single battery internal resistance sampling and excitation module 2 with the corresponding numbers, and the internal resistance sampling and excitation module 2 carries out forward sharp pulse excitation maintenance so as to achieve the purpose of diagnosing the inconsistency of the battery quality on line and controlling the internal resistance consistency of the storage batteries in the group, so that the internal resistance of each storage battery is in a balanced value and the consistency of the charge and discharge efficiency of each single battery in the whole group of batteries is ensured.
In the invention: the judgment logic of the data intelligent screening module 3 for screening is as follows:
firstly, judging whether the current of the battery pack is smaller than the upper limit of the float charging current to determine whether the battery pack is in a float charging state, if not, returning to the initial state for circular judgment, if so, entering the next step of calculating the internal resistance average value of all batteries of the battery pack, then subtracting the internal resistance average value from the maximum value of the internal resistance of the single batteries in the screened battery pack, comparing the obtained difference value with a set internal resistance threshold value, if not, returning to the initial state for circular judgment, if not, executing the next operation, if the internal resistance threshold value is smaller than the internal resistance threshold value, issuing the number of the single battery with the maximum internal resistance in the battery pack to the internal resistance sampling and excitation module 2, and the internal resistance. .
In summary, the following steps: according to the lead-acid storage battery online activation maintenance system based on forward sharp pulse excitation, batteries with quality characteristics deviating from the characteristics of the whole battery pack can be found in time in the battery operation process, the purpose of battery activation is achieved through online forward sharp pulse excitation, the consistency of internal resistance of battery packs is guaranteed, remote automatic maintenance of storage battery activation is achieved, the quality state of single batteries is improved, the discharge reliability of the battery packs is improved, and the service life of the batteries is prolonged, and the lead-acid storage battery online activation maintenance system based on forward sharp pulse excitation comprises the following steps: firstly, reducing the workload: the battery number of a large UPS system is thousands of batteries, each battery is provided with an internal resistance sampling and exciting module 2, each group of battery pack is provided with a data intelligent screening module 3, so that charging and discharging experiments can be easily performed one by one, and physical strength is saved; secondly, the risk is low: because the charger is started during the discharge of the storage battery, when a tester records data once every half hour, the whole group of batteries and a single storage battery are under the supervision of the system during the two data recording periods, and the over-discharge phenomenon is not easy to occur; the voltage of the whole battery set and the voltage of a single battery can be kept within a certain range during discharging, so that the safety of a direct current system is ensured; fourthly, potential safety hazards are low: because the off-line charging and discharging experiment is long in time and complex in operation, the operation cannot be frequently carried out, generally, the performance state of the battery is monitored at any time and any place in half a year or one year, and once the performance of any battery falls behind, the discharging capacity of the whole battery is ensured, and serious accidents are avoided.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a lead acid battery online activation maintenance system based on excitation of forward sharp pulse, includes online activation maintenance system (1) of battery, its characterized in that: the online activation maintenance system (1) for the storage battery comprises an internal resistance sampling and exciting module (2) and a data intelligent screening module (3).
2. The lead-acid storage battery on-line activation maintenance system based on forward spike excitation according to claim 1, characterized in that: each battery is provided with an internal resistance sampling and exciting module (2), and each battery pack is provided with an intelligent data screening module (3).
3. The lead-acid storage battery on-line activation maintenance system based on forward spike excitation according to claim 1, characterized in that: each internal resistance sampling and exciting module (2) is connected with the intelligent data screening module (3) through an internal bus.
4. The lead-acid storage battery on-line activation maintenance system based on forward spike excitation according to claim 1, characterized in that: the internal resistance sampling and exciting module (2) samples the internal resistance data of the single storage battery and transmits the internal resistance data to the intelligent data screening module (3).
5. The lead-acid storage battery on-line activation maintenance system based on forward spike excitation according to claim 1, characterized in that: the intelligent data screening module (3) predicts the consistency of the battery quality state by carrying out staged internal group data acquisition and intelligent diagnosis analysis on the running storage battery, activates and maintains the laggard single battery on line, and promotes the laggard battery quality state.
6. The lead-acid storage battery on-line activation maintenance system based on forward spike excitation according to claim 1, characterized in that: the working process of the lead-acid storage battery on-line activation maintenance system based on forward spike pulse excitation is as follows:
the lead-acid storage battery online activation maintenance method comprises the steps that firstly, internal resistance data of single batteries are collected through an internal resistance sampling and excitation module (2), a data intelligent screening module (3) collects and aggregates the internal resistance data of the single batteries in a storage battery pack, then logical analysis and judgment are carried out, the batteries with relatively poor battery performance are screened out and are numbered and matched, then a maintenance command is immediately sent to the single battery internal resistance sampling and excitation module (2) with the corresponding numbers, and the internal resistance sampling and excitation module (2) carries out forward sharp pulse excitation maintenance so as to achieve online diagnosis of the inconsistency of battery quality states and control of internal resistance consistency of the storage batteries in a control group, enable the internal resistance of each storage battery to be in a balanced value, and guarantee the consistency of the charge and discharge efficiency of each single battery in the whole group of batteries.
7. The lead-acid storage battery on-line activation maintenance system based on forward spike excitation according to claim 1, characterized in that: the judgment logic of the data screened by the intelligent screening module (3) is as follows:
firstly, judging whether the current of the battery pack is smaller than the upper limit of the float charging current to determine whether the battery pack is in a float charging state, if not, returning to the initial state for circular judgment, if so, entering the next step of calculating the internal resistance average value of all batteries of the battery pack, then subtracting the internal resistance average value from the maximum value of the internal resistance of the single batteries in the screened battery pack, comparing the obtained difference value with a set internal resistance threshold value, if not, returning to the initial state for circular judgment, if not, executing the next operation, if the internal resistance average value is smaller than the internal resistance threshold value, issuing the number of the single battery with the maximum internal resistance in the battery pack to an internal resistance sampling and excitation module (2), and the internal resistance sampling and.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010939990.0A CN111987374A (en) | 2020-09-09 | 2020-09-09 | Lead-acid storage battery online activation maintenance system based on forward spike pulse excitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010939990.0A CN111987374A (en) | 2020-09-09 | 2020-09-09 | Lead-acid storage battery online activation maintenance system based on forward spike pulse excitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111987374A true CN111987374A (en) | 2020-11-24 |
Family
ID=73450595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010939990.0A Pending CN111987374A (en) | 2020-09-09 | 2020-09-09 | Lead-acid storage battery online activation maintenance system based on forward spike pulse excitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111987374A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116130810A (en) * | 2023-03-30 | 2023-05-16 | 南京鼎尔特科技有限公司 | Storage battery on-line activation method based on forward spike excitation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223517A (en) * | 2015-11-11 | 2016-01-06 | 国网黑龙江省电力有限公司绥化供电公司 | The online balanced monitoring method of a kind of battery pack |
| CN106941255A (en) * | 2016-11-21 | 2017-07-11 | 国家电网公司 | Based on the distributed maintenance free intelligent d. c power-supply system of cell and its control method |
| CN108064428A (en) * | 2017-03-20 | 2018-05-22 | 深圳中兴力维技术有限公司 | A kind of lead-acid accumulator activation method and its system |
-
2020
- 2020-09-09 CN CN202010939990.0A patent/CN111987374A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223517A (en) * | 2015-11-11 | 2016-01-06 | 国网黑龙江省电力有限公司绥化供电公司 | The online balanced monitoring method of a kind of battery pack |
| CN106941255A (en) * | 2016-11-21 | 2017-07-11 | 国家电网公司 | Based on the distributed maintenance free intelligent d. c power-supply system of cell and its control method |
| CN108064428A (en) * | 2017-03-20 | 2018-05-22 | 深圳中兴力维技术有限公司 | A kind of lead-acid accumulator activation method and its system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116130810A (en) * | 2023-03-30 | 2023-05-16 | 南京鼎尔特科技有限公司 | Storage battery on-line activation method based on forward spike excitation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111181207B (en) | Distributed lithium battery pack energy storage system | |
| EP3352323B1 (en) | Method and system for automatic switchover between working states of multi-battery packs of electric vehicles | |
| CN110406426B (en) | Lithium battery pack system special for lithium electric forklift and control method | |
| CN103064027A (en) | On-line monitoring and maintaining system for 750-volt wireless intelligent storage battery | |
| CN202111502U (en) | Battery management device with balanced charge-discharge function | |
| CN105162215A (en) | Distributed battery management system and method for lead-acid storage battery pack equalization | |
| CN114123280B (en) | Battery energy storage power station energy management method considering system efficiency | |
| CN110531269B (en) | SOC estimation method of series-parallel combined cell stack and cell management system | |
| CN111106643A (en) | 48V communication power supply system and online discharge control method of storage battery thereof | |
| CN111987374A (en) | Lead-acid storage battery online activation maintenance system based on forward spike pulse excitation | |
| CN204315686U (en) | Accumulator on-line maintenance system | |
| CN204538792U (en) | A kind of parallel power supply system and power module | |
| CN111129625A (en) | Online maintenance system for storage battery | |
| CN215681813U (en) | Parallel energy storage system | |
| CN113612269B (en) | Method and system for controlling charge and discharge of battery monomer of lead-acid storage battery energy storage station | |
| CN214154157U (en) | Energy storage system with mixed flow battery and lithium battery | |
| Wang et al. | Energy management of battery energy storage station considering system operation efficiency | |
| CN114552711A (en) | Battery cell control method and device and BMS equipment | |
| CN113746166A (en) | Charging control method for zinc-silver storage battery used for multiple times | |
| CN112737130A (en) | Energy storage system with mixed flow battery and lithium battery and working method thereof | |
| CN108128186B (en) | Lead-acid power battery management system and control method thereof | |
| CN101694951A (en) | Novel four-in-one intelligent fast charger for storage battery | |
| CN205693390U (en) | A kind of battery management system of Based Intelligent Control equilibrium | |
| CN216751226U (en) | Battery pack monitoring and balancing management system | |
| CN218514117U (en) | Balanced control circuit of series storage battery pack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |