CN107005054A - Energy storage system based on battery pack - Google Patents
Energy storage system based on battery pack Download PDFInfo
- Publication number
- CN107005054A CN107005054A CN201480083198.2A CN201480083198A CN107005054A CN 107005054 A CN107005054 A CN 107005054A CN 201480083198 A CN201480083198 A CN 201480083198A CN 107005054 A CN107005054 A CN 107005054A
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- Prior art keywords
- battery pack
- battery
- energy storage
- storage system
- bms
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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
- 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
- H02J7/00047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with provisions for charging different types of batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
There is provided a kind of energy storage system (1000).The energy storage system (1000) includes main BMS (100), include corresponding subordinate BMS (220 respectively, 320, 420) one or more battery group (200, 300, 400), with each battery pack (200, 300, 400) the DC buses (600) of terminal connection, with make each battery pack (200, 300, 400) communication bus (700) connected with main BMS (100) corresponding intercommunication port, wherein main BMS (100) is via communication bus (700) from corresponding subordinate BMS (220, 320, 420) each battery pack (200 is received, 300, 400) battery variable, each battery pack (200 is calculated based on the algorithm being stored in the master controller of main BMS (100), 300, 400) state, make on each battery pack (200, 300, 400) decision of characteristic, and make battery pack (200, 300, 400) it is switched on or switched off with main BMS (100) power electronics modules and carrys out charge or discharge battery pack (200, 300, 400).
Description
Technical field
The present invention relates to energy storage field, more particularly to a kind of energy storage system being made up of battery pack.
Background technology
Electric vehicle (EV), as one of solution of reduction vehicle greenhouse gas emission, due to their raising
Efficiency and be becoming increasingly popular, the power supply of electric vehicle is rechargeable electrochmical power source, including battery pack.Therefore, increasingly
It is many, used battery pack is introduced into electric vehicle market in electric vehicle.Battery pack is replaced on EV after use.
Typically, current solution is that these used battery packs are discarded at renovation facility by EV retailer/service centre,
Here, each battery unit used, i.e. in old and useless battery group screened, classified, tested, finally reconfigured,
To carry out secondary use in fixed application.Afterwards, each battery unit in old and useless battery group is installed in a housing, by
Battery management system (BMS) is managed.
However, screening, classifying, test and reconfiguring the process of secondary battery, not only cost is high but also time-consuming.And
Technologically speaking, the battery pack only with approximately the same characteristic (such as chemical characteristic, even capacity, shape) could be same
Reused in one system, this to reconfigure and reuse that different types of old and useless battery group is relatively difficult and expense compared with
It is high.
Need to solve this problem.
The content of the invention
It is an object of the invention to provide a kind of Open architecture of the different types of old and useless battery group of recycling.It is new-type herein
In structure, old and useless battery group can be used in battery pack level, and therefore, it is possible to save screening, classification, test and again
The trouble of configuration.Electricity from different manufacturers and with different qualities parameter (the characteristic, power capacity such as chemistry)
Pond can be integrated and be recycled.
According to the first aspect of the invention there is provided a kind of energy storage system, including main BMS, respectively including corresponding
Subordinate BMS at least two battery packs, the DC buses with each battery pack that charges are connected with each battery pack, and for making
The connection of each battery pack corresponding with main BMS intercommunication port is so as to by the information transmission of each battery pack to main BMS
Communication bus, wherein, main BMS controls the electric current and voltage output of each battery pack via the corresponding subordinate BMS of battery pack.
According to possible embodiments, power electronics modules are configured as the array of dc-dc, and it can control correspondence electricity
The electric current of pond group and the voltage differences/difference for adapting to different battery packs.
According to possible embodiments, power electronics modules are configured as the array of relay, its can make correspondence battery pack with
Charging station or load connection are disengaged from charging station or load.
According to possible embodiments, main BMS turns on/off relay, to control the charging of each battery pack/put respectively
Electricity.
According to possible embodiments, the charge/discharge operation of all battery packs is established sequentially or simultaneously carried out.
According to possible embodiments, battery variable includes one or more of following：Voltage, electric current, during charge/discharge
Between, temperature, SOC, and SOH.
According to possible embodiments, at least two battery pack has different power connectors, and energy storage system
System includes the adapter for power connector, and at least two battery pack has different communication protocol, and energy storage
System includes connecting the gateway of the communication bus of all battery packs.
According to possible embodiments, adapter is configured as being suitable for the socket of different capacity connector.
According to possible embodiments, battery pack is to be used in electric bicycle, battery-operated motor cycle, HEV or EV as a unit
In secondary battery.
According to the second aspect of the invention there is provided a kind of operating method of above-mentioned energy storage system, including：
In first step S1, make each battery pack via DC buses and communication bus be connected with main BMS with main BMS
Set up physical connection；
It is that energy storage system is powered in second step S2, is communicated with being set up between battery pack and main BMS, simultaneously
Disconnect electrically connected；
In third step S3, main BMS communicates with the subordinate BMS of each battery pack and obtained about each battery
The information of the state of group；
In the fourth step s 4, main BMS calculates the state of each battery pack and determines the behavior of each battery pack；
And
In the 5th step S5, main BMS is based on its above-mentioned determination and is switched on or switched off relay, to control each respectively
The charge/discharge of battery pack.
According to possible embodiments, the operating method also includes step：Main BMS produces the control command for selected battery pack
And the control command is sent to subordinate BMS corresponding with selected battery pack, and subordinate BMS and controls corresponding battery pack
Carry out charge or discharge.
Using the energy storage system according to the present invention, discarded battery pack can be used in the rank of battery pack,
Therefore screening can be saved, classify, test and reconfigure the effort of waste battery group.There is difference from different manufacturers
The battery pack of characteristic parameter (for example, chemical feature, energy capacity etc.), which can be integrated, to be recycled.
Brief description of the drawings
Below in conjunction with accompanying drawing on embodiments of the invention be described in detail other features, in terms of and advantage, in figure：
Fig. 1 shows the block diagram of the energy storage system based on battery pack according to the present invention；
Fig. 2 and 3 shows the first and second embodiments of the energy storage system according to the present invention；With
Fig. 4 is the flow chart of the operating method of the energy storage system according to the present invention.
Embodiment
The particular embodiment of the present invention is described in detail below in conjunction with drawings and examples.Here embodiment is only used for
Illustrate the principle of the present invention, do not limit the scope of the invention.
The recycling of battery pack before being disposed is intended to according to the energy storage system of the present invention, particularly in electrical salf-walking
Used secondary battery in car, battery-operated motor cycle, Hybrid Electrical Vehicle (HEV) or electric vehicle, the system is intended to simplify recycling
The process of secondary battery and reduction recycle the cost of secondary battery.Secondary battery may be by different manufacturer's systems
Make or including different chemical compositions or the parameter that takes on a different character, including but be not restricted to normal voltage, charging termination is electric
Pressure, energy capacity, maximum allowable charging current, maximum allowable discharge current, maximum trickle charge electric current, maximum continuous discharge electricity
Stream, and maximum temperature etc..
For example, the battery pack in the present invention can be ferric phosphate lithium cell group, and cobalt-based Li-ion batteries piles, or it is any other
The battery pack of type.
According to the present invention energy storage system mainly include master battery management system (being hereinafter also referred to as main BMS) and
The one or more battery group controlled by main BMS.Each battery pack is including battery and corresponding to the battery pack and controls
The battery pack (is hereinafter also referred to as from BMS) from battery management system.For each battery pack, in the battery pack
Before being removed and being integrated into as secondary battery in the energy storage system according to the present invention, it is used as single from BMS
The main BMS of independence of battery pack.
Therefore, when energy storage system includes different types of battery pack, these battery packs can include by different systems
Make business's manufacture or the secondary battery including different chemical composition or with different characteristic parameter.
Fig. 1 shows the block diagram of the energy storage system 1000 based on battery pack according to the present invention, will be made below in detail
Thin description.
It should be noted that three battery packs 200,300 and 400 are shown in energy storage system 1000, but energy storage system
The quantity of battery pack is not limited to three in 1000.On the contrary, one, two, four or more can be provided in energy storage system 1000
Multiple battery packs.As can see from Figure 1, three battery pack s200,300 and 400 include the He of e batteries 210,310 respectively
410 and correspondingly from BMSs220,320 and 420.
Main BMS 100 is shown in the energy storage system 1000 according to the present invention shown in Fig. 1, DC buses 600 (are used
Heavy line is represented) and communication bus 700 (being represented with fine line).
Main BMS 100 is arranged to control all battery packs 200,300 and 400.DC buses 600 and all battery packs
200,300 and 400 terminal connection.DC buses 600 are configured for attach to charging station to set up the He of battery pack 200,300
400 is electrically connected with charging station, so that the battery pack that charges, or be configured for attach to target vehicle to set up battery
The electrically connected of 200,300 and 400 target vehicle with being installed with this energy storage system 1000 is organized, to be filled for target vehicle
Electricity.
Communication bus 700 is configured as making main BMS 100 COM1 (in fig. 2) and battery pack 200,300 and 400
COM1 be connected, so main BMS 100 can obtain the battery variable of battery pack 200,300 and 400 and can send out
Control command is sent to battery pack 200,300 and 400 from BMS.
In general, different battery packs may be manufactured by different manufacturer and with different power connectors and
Different com port communication connectors.
In the case where battery pack 200,300 and 400 has different power connectors, adapter 800 can be provided, is used
It is connected in making each power connector of battery pack 200,300 and 400 with DC buses 600.In one embodiment, adapter
800 can be configured as being suitable for the socket of the different capacity connector of battery pack 200,300 and 400.In the He of battery pack 200,300
In the case that 400 have different communication protocol, they are unable to direct communication each other, can be provided in communication bus 700
Communication gate 900, for being all receptible communication protocol of all battery packs by different communication Protocol Conversions.In such case
Under, main BMS 100 is by mean of adapter 800 and gateway 900 and connected with all battery packs 200,300 and 400.
It should be understood, however, that adapter 800 and communication gate 900 be not always necessary, so they are optional.It is preferable
Ground, if power connector and communications connector are both identical and communication protocol is also identical, can cancel adapter and
Gateway.For example, all battery packs are all manufactured by same manufacturer.
Fig. 2 and 3 respectively illustrates the first and second embodiments of main BMS 100 detailed construction.
Main BMS 100 mainly includes master controller 110, and power electronics modules (adapter 800 and gateway 900), inside is logical
Believe port 122,123 and 124, and external communication ports 130.
Master controller 110 is arranged to store various algorithms and performed after the battery variable of battery pack is received
Calculate operation.
Power electronics modules are arranged to control the behavior of all battery packs 200,300 and 400, for example, for connecting/
Disconnect each battery pack with/from DC buses 600.In the first embodiment of energy storage system 1000 shown in figure 2, work(
Rate electronic module is generally configured to the array of the dc-dc 142,143 and 144 for battery pack 200,300 and 400,
It can control the electric current of each battery pack and adapt to difference/difference of the voltage of different battery packs, with meet charging and
The requirement of electric discharge.Figure 3 illustrates energy storage system 1000 second embodiment in, power electronics modules are mainly configured
For the array of the relay 152,153 and 154 for battery pack 200,300 and 400, it can connect each battery pack and DC
Bus 600 makes each battery pack be disconnected from DC buses 600, and relay is primarily adapted for the difference for adapting to the voltage of different battery packs
It is different/different.It can further be seen that dc-dc 142,143 and 144 or relay 152,153 and 154 can be with from Fig. 2 and 3
The battery pack 200,300 and 400 of themselves is controlled independently from each other, so that the battery 210 of battery pack 200,300 and 400,
310 and 410 can be with, dc-dc 142,143 and 144 in first embodiment or in second embodiment after
Electrical equipment 152,153 and 154, carrys out independently from each other sequentially or simultaneously charge or discharge.
The correspondence that intercommunication port 122,123 and 124 is arranged to respectively with battery pack 200,300 and 400 communicates
Port communication, and external communication ports 130 are arranged to communicate with the high level controller of whole energy storage system 1000.
For this energy storage system, each battery pack is used as a big battery group.Main BMS is by the state of single battery group
Report to energy storage system and receive a command to control from energy storage system the behavior of single battery group.
As described above, each battery pack from BMS including its own can alternatively further comprise being used for and main BMS
The interface module of 100 interface module connection, is open, and heat management system, and each can further comprise being used for from BMS
The monitoring module with the battery variable of the corresponding battery pack of measurement is monitored, for the charge/discharge module of charge/discharge battery pack,
For from main BMS 100 receive control command and set up it is electrically connected in the case of charged according to the control command or
The battery pack of discharging from controller, and for storing the data storage device of measured battery variable.
Each from BMS have be used for different manufacturers manufacture its own battery pack Special controlling strategy, and by
Research and development are used for adapting to different chemical features and different energy levels, and each can also pass through different systems from BMS itself
Make business's research and development.
In the energy storage system 1000 according to the present invention, main BMS 100 is collected from BMS 220,320 and 420 to be included
By the information of the battery variable such as being measured from BMS monitoring module, SOC, SOH, voltage and electric current, master controller is utilized
110 calculate the state of battery 210,310 and 410 based on the appropriate algorithm in master controller 110 is stored in, and make on battery
The decision of the behavior of group 200,300 and 400, and using dc-dc 142,143 and 144 or utilize relay 152,153
It is switched on or switched off battery pack 200,300 and 400 with 154 and carrys out battery pack selected by charge or discharge.
The operating method of energy storage system 100 is described with reference now to Fig. 4.
In the first step S1 of this operating method, make battery pack 200,300 and 400 and DC buses 600 and communication bus
700 connections, thus set up physical connection.
Especially, in this first step S1, the terminal of each battery pack is connected with DC buses 600, make battery pack
200,300 and 400 COM1 is connected with main BMS 100 corresponding COM1 122,123 and 124 respectively.
In second step S2, this energy storage system of powering, then do not set up it is electrically connected in the case of set up
Communication.
In third step S3, main BMS 100 communicates with battery pack 200,300 and 400 from BMS 220,320 and 420
And the information relevant with the state of battery pack is obtained from BMS 220,320 and 420.
Especially, in this third step S3, from BMS monitoring module in real time fashion, in a periodic fashion or root
The battery variable of battery pack is monitored according to the order from controller, the battery variable monitored is include but not limited to, electricity
Pressure, electric current, charge/discharge time and temperature.
The battery variable monitored is storable in the data storage device of their own, is then passed through under main BMS order
Transmitted by communication bus 700 to main BMS.Alternatively, the battery monitored becomes can be by active transmission to main BMS.
In the fourth step s 4, main BMS 100 is each to calculate using battery variable of the master controller 110 based on battery pack
The state of individual battery pack, and make the decision of the behavior on each battery pack.
In this step, battery variable is used for the state for calculating battery pack.It is somebody's turn to do for example, voltage and current can be used for representing
The power output of moment battery pack, the characteristic parameter of charge/discharge time, temperature and battery pack can be used for based on particular algorithm come
Calculate the SOC and SOH of battery pack.Preferably, different algorithms may be selected at different temperature.
Based on produced state and the battery variable monitored, main BMS makes the behavior on each battery pack
Determine, for example, come the battery pack or the battery pack of discharging of charging.
In the 5th step S5, based on above-mentioned made decision, main BMS is switched on or switched off relay to control electricity respectively
The charge/discharge of pond group.
When connecting relay, set up electrically connected, order can be received from main BMS and in electricity from BMS from controller
Discharged/discharged operation is performed in the group of pond.
Energy storage system disclosed above is Open architecture, wherein all total by DC buses and communication from BMS
Line is connected with main BMS, is received from main BMS and is ordered and correspondingly acted.Can be easy to addition it is other from BMS or from master
BMS is removed.
Using the energy storage system according to the present invention, discarded battery pack can be used in the rank of battery pack, therefore
Screening can be saved, classify, test and reconfigure the effort of waste battery group.The battery pack and tool supplied from different manufacturers
The battery pack for having different characteristic parameter (for example, chemical feature, energy capacity etc.) can be incorporated in together, be recycled.
The system is used to control the different battery packs to be charged and to be discharged in same system, and the purpose of the present invention is not
Same battery pack can well work in the same system.The present invention is not limited only to manage the second battery pack, can also
It is used together with reference to new battery pack.
Descriptions above is only the preferred embodiments of the present invention.It should be noted that former in the technology without departing from the present invention
Those skilled in the art can carry out various exploitations and replacement in the case of reason, and these exploitations and replacement should be considered as falling
Within the scope of the present invention.
List of reference signs
1000 energy storage systems
100 main BMS
110 master controllers
122,123,124 intercommunication ports
130 external communication ports
142,143,144 dc-dcs
152,153,154 relays
200,300,400 battery packs
210,310,410 batteries
220,320,420 from BMS
600 DC buses
700 communication bus
Claims (11)
- It is and each 1. a kind of energy storage system, including main BMS, include corresponding subordinate BMS at least two battery packs respectively Individual battery pack is connected with the DC buses for each battery pack that charges, and for making each battery pack corresponding with main BMS internal COM1 connection so as to by the communication bus of the information transmission of each battery pack to main BMS, wherein, main BMS is via battery The corresponding subordinate BMS of group controls the electric current and voltage output of each battery pack.
- 2. energy storage system according to claim 1, wherein, power electronics modules are configured as dc-dc Array, it can control the electric current of correspondence battery pack and adapt to voltage differences/difference of different battery packs.
- 3. energy storage system according to claim 1, wherein, power electronics modules are configured as the array of relay, It can make correspondence battery pack be connected or be disengaged from charging station or load with charging station or load.
- 4. energy storage system according to claim 3, wherein, main BMS turns on/off relay, every to control respectively The charge/discharge of one battery pack.
- 5. energy storage system according to any one of claim 1 to 4, wherein, the charge/discharge behaviour of all battery packs Established sequentially or simultaneously carry out.
- 6. energy storage system according to any one of claim 1 to 5, wherein, battery variable include it is following in one It is individual or multiple：Voltage, electric current, charge/discharge time, temperature, SOC, and SOH.
- 7. energy storage system according to any one of claim 1 to 6, wherein, at least two battery pack has Different power connectors, and energy storage system includes the adapter for power connector, at least two battery Group has different communication protocol, and energy storage system includes the gateway of the communication bus of all battery packs of connection.
- 8. energy storage system according to claim 7, wherein, adapter is configured as being suitable for different capacity connector Socket.
- 9. energy storage system according to any one of claim 1 to 8, wherein, battery pack is used as a unit Secondary battery in electric bicycle, battery-operated motor cycle, HEV or EV.
- 10. a kind of operating method of energy storage system according to any one of claim 1 to 9, including：In first step S1, each battery pack is set to be connected to set up with main BMS with main BMS via DC buses and communication bus Physical connection；It is that energy storage system is powered in second step S2, is communicated, simultaneously switched off with being set up between battery pack and main BMS It is electrically connected；In third step S3, main BMS communicates with the subordinate BMS of each battery pack and obtained about each battery pack The information of state；In the fourth step s 4, main BMS calculates the state of each battery pack and determines the behavior of each battery pack；AndIn the 5th step S5, main BMS is based on its above-mentioned determination and is switched on or switched off relay, to control each battery respectively The charge/discharge of group.
- 11. operating method according to claim 11, in addition to step：Main BMS produces the control for selected battery pack Order and send the control command to subordinate BMS corresponding with selected battery pack, and subordinate BMS and control corresponding electricity Pond group carries out charge or discharge.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2014/091103 WO2016074216A1 (en) | 2014-11-14 | 2014-11-14 | Energy storage system based on battery packs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107005054A true CN107005054A (en) | 2017-08-01 |
Family
ID=55953608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480083198.2A Pending CN107005054A (en) | 2014-11-14 | 2014-11-14 | Energy storage system based on battery pack |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN107005054A (en) |
| DE (1) | DE112014007057T5 (en) |
| WO (1) | WO2016074216A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107651622A (en) * | 2017-10-25 | 2018-02-02 | 上海伊控动力***有限公司 | A kind of new-energy automobile old and useless battery echelon utilizes management system |
| CN114640183A (en) * | 2020-12-15 | 2022-06-17 | 比亚迪股份有限公司 | Energy storage power station system and operation method thereof |
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| CN106849232B (en) * | 2017-01-22 | 2024-02-20 | 广东博力威科技股份有限公司 | Method and system for realizing automatic switching of multiple battery packs of electric vehicle |
| CN106911174B (en) * | 2017-04-28 | 2023-09-15 | 中惠创智（深圳）无线供电技术有限公司 | Power management system and method based on wireless power transmission |
| JP6846300B2 (en) | 2017-06-23 | 2021-03-24 | 株式会社シマノ | Bicycle power system |
| DE102017123730A1 (en) * | 2017-10-12 | 2019-04-18 | Man Truck & Bus Ag | Energy storage system with several parallel-connected energy storage and method for operating an energy storage system |
| CN108110867B (en) * | 2018-02-12 | 2023-08-01 | 胡继业 | Battery old utilization system |
| CN110137987A (en) * | 2019-05-06 | 2019-08-16 | 深圳中电长城能源有限公司 | In a kind of micro-grid system virtual synchronous machine and machine control method and micro-grid system |
| CN112152285B (en) * | 2020-09-10 | 2024-05-28 | 力神（青岛）新能源有限公司 | Energy storage battery management system with double power supply guarantee mechanisms |
| DE102021110774A1 (en) | 2021-04-27 | 2022-10-27 | Rolls-Royce Deutschland Ltd & Co Kg | Electric propulsion system |
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- 2014-11-14 DE DE112014007057.2T patent/DE112014007057T5/en not_active Withdrawn
- 2014-11-14 WO PCT/CN2014/091103 patent/WO2016074216A1/en active Application Filing
- 2014-11-14 CN CN201480083198.2A patent/CN107005054A/en active Pending
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107651622A (en) * | 2017-10-25 | 2018-02-02 | 上海伊控动力***有限公司 | A kind of new-energy automobile old and useless battery echelon utilizes management system |
| CN114640183A (en) * | 2020-12-15 | 2022-06-17 | 比亚迪股份有限公司 | Energy storage power station system and operation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016074216A1 (en) | 2016-05-19 |
| DE112014007057T5 (en) | 2017-08-17 |
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