CN104578124A - Battery energy storage management system - Google Patents
Battery energy storage management system Download PDFInfo
- Publication number
- CN104578124A CN104578124A CN201410820780.4A CN201410820780A CN104578124A CN 104578124 A CN104578124 A CN 104578124A CN 201410820780 A CN201410820780 A CN 201410820780A CN 104578124 A CN104578124 A CN 104578124A
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- Prior art keywords
- energy storage
- battery
- management system
- storage management
- battery energy
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/28—Arrangements for balancing of the load in networks by storage of energy
- H02J3/32—Arrangements for balancing of the load in networks by storage of energy using batteries or super capacitors with converting means
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention belongs to the technical field of battery energy management, and particularly relates to a battery energy storage management system. The battery energy storage management system comprises a communication network, a master power supply management unit and a plurality of parallel secondary power supply management modules, wherein each secondary power supply management module correspondingly manages one battery cupboard; the secondary power supply management modules are connected with the master power supply management unit through the communication network; each secondary power supply management module comprises a slave power supply management unit and a plurality of parallel battery sampling circuits. The battery energy storage management system comprises the plurality of secondary power supply management modules in parallel connection and the master power supply management unit connected with the secondary power supply management modules, and each secondary power supply management module comprises the plurality of parallel battery sampling circuits and the slave power supply management unit connected with the battery sampling circuits, the structure levels are clear, extension is facilitated, and testing and controlling are easy.
Description
Technical field
The invention belongs to power management technology field, be specifically related to a kind of battery energy storage management system.
Background technology
Economic fast development, the quick growth of network load, peak-valley difference expanding day.Day by day serious along with the energy and environmental problem, the development of emerging energy industry is imperative, but the clean energy resource such as wind energy, solar energy is affected by environment comparatively large, and power is unstable, and cause traditional electrical network to carry, a large amount of wind energy, solar power generation are wasted.
In order to solve the problem, conventional scheme is stored by electricity when low power consumption by energy storage device, seen off by electricity again, reach the object of balancing electric power load during peak of power consumption.In emerging energy industry, energy storage device can carry out supporting with new forms of energy, the clean energy resource such as wind energy, solar energy of non-peak electricity consumption period stores, then afterwards the peak of power consumption period transmission power distribution company use, improve clean energy resource real value, wind energy, solar energy etc. have intermittence, instable clean energy resource can by energy storage device smoothing processing.
Realizing power back-off to allow energy storage device, meeting the demand of power smooth, energy storage device needs to be equipped with energy storage management system.But mostly existing energy storage management system is that framework is single, not easily expands simply by CSC module acquires relevant information to BMU, sampling is complicated, can not realize on-line debugging.
Summary of the invention
The object of the invention is to: for the deficiencies in the prior art, provide a kind of sampling simply, conveniently to expand, be easy to test and management and control and the well-bedded battery energy storage management system of framework.
To achieve these goals, technical scheme of the present invention is as follows: a kind of battery energy storage management system, comprise communication network, main power source administrative unit and several parallel secondary power administration modules, each described secondary power administration module correspondence management battery rack, described secondary power administration module is connected with described main power source administrative unit by communication network, and described secondary power administration module comprises from Power Management Unit and several parallel battery sampling circuit.
One as battery energy storage management system of the present invention is improved, and battery energy storage management system also comprises operational module and display panel, and described operational module is connected with described main power source administrative unit by described communication network with display panel.Described operational module is debugging computer or touch-screen.
One as battery energy storage management system of the present invention is improved, and also comprise insulation monitoring module, described insulation monitoring module is connected with described main power source administrative unit by communication network, and described insulation monitoring module is for detecting battery energy storage management system insulation values.
One as battery energy storage management system of the present invention is improved, and also comprises back-up source module.When outside power cut-off, described back-up source module can power to described main power source administrative unit, described operational module, described display panel, described insulation monitoring module and described secondary power administration module by power supply in support, and the battery rack that wherein said secondary power administration module also can be managed by correspondence carries out self-powered.
One as battery energy storage management system of the present invention is improved, and described main power source administrative unit, described battery sampling circuit, describedly has in-service units function from Power Management Unit, described display panel, described insulation monitoring module and described back-up source module.Realize in-service units by host computer, avoid dismounting, increase work efficiency.
One as battery energy storage management system of the present invention is improved, and described battery energy storage management system also comprises main debug port, and described main debug port is connected with described main power source administrative unit by described communication network.
One as battery energy storage management system of the present invention is improved, and described secondary power administration module also comprises current sampling unit, and described current sampling unit is connected from Power Management Unit with described by described communication network.Described current sampling unit is for detecting the battery rack real-time current of secondary power administration module correspondence management.
One as battery energy storage management system of the present invention is improved, and described secondary power administration module also comprises from debug port, is describedly connected with described battery sampling circuit from debug port by communication network.
One as battery energy storage management system of the present invention is improved, and described battery energy storage management system is connected with two way convertor or EMS by communication network.
One as battery energy storage management system of the present invention is improved, and described battery energy storage management system comprises real-time clock, when described main power source administration module carries out real-time pair by GPS to described real-time clock.
Beneficial effect of the present invention is: provide a kind of battery energy storage management system, the secondary power administration module that this battery energy storage management system comprises several parallel joins and the main power source administrative unit be connected with secondary power administration module, secondary power administration module comprise again several parallel battery sampling circuit and be connected with battery sampling circuit from Power Management Unit, framework is well arranged, convenient expansion, is easy to test and management and control.
Accompanying drawing explanation
Fig. 1, the system architecture schematic diagram of battery energy storage management system of the present invention.
Wherein, 1. communication network, 2. main power source administrative unit, 3. insulation monitoring module, 4. back-up source module, 5. main debug port, 6. operational module, 7. display panel, 8. secondary power administration module, 9. real-time clock, 10 from Power Management Unit, and 11. from debug port, 12. current sampling units, 13. battery sampling circuit, 14. two way convertors, 15. EMS.
Embodiment
Below in conjunction with embodiment and Figure of description, the present invention and beneficial effect thereof are described in further detail, but the specific embodiment of the present invention is not limited thereto.
As shown in Figure 1, a kind of battery energy storage management system, comprise communication network 1, main power source administrative unit 2, insulation monitoring module 3, back-up source module 4, main debug port 5, operational module 6, display panel 7 and several parallel secondary power administration modules 8, insulation monitoring module 3, back-up source module 4, main debug port 5, operational module 6, display panel 7 and several parallel secondary power administration modules 8 are connected with main power source administrative unit 2 by communication network 1.Wherein, operational module 6 is debugging computer or touch-screen.Battery energy storage management system also comprises real-time clock 9, when main power source administrative unit 2 carries out real-time pair by GPS to real-time clock 9, each secondary power administration module 8 correspondence management battery rack, secondary power administration module 8 comprises from Power Management Unit 10, from debug port 11, current sampling unit 12 and several parallel battery sampling circuit 13, be connected with battery sampling circuit 13 from debug port 11 by communication network 1, current sampling unit 12 and several parallel battery sampling circuit 13 are connected with from Power Management Unit 10 by communication network 1.Battery energy storage management system is connected with two way convertor 14 or EMS 15 by communication network 1.
Wherein, main power source administrative unit 2, battery sampling circuit 13, from Power Management Unit 10, display panel 7, insulation monitoring module 3 and back-up source module 4, there is in-service units function.
Wherein, the agreement of the communication network 1 that insulation monitoring module 3, back-up source module 4, main debug port 5, operational module 6, display panel 7, secondary power administration module 8 are connected with main power source administrative unit 2 respectively, the agreement of the communication network 1 that current sampling unit 12, battery sampling circuit 13 are connected with from Power Management Unit 10 respectively, and the agreement of the communication network 1 be connected with battery sampling circuit 13 from debug port 11 can select CAN, the ModBus RTU based on 485, ModBus ASCII, SPI or the SCI based on 485.
Wherein, the agreement of communication network 1 that battery energy storage management system is connected with two way convertor 14 or EMS 15 can select CAN, the ModBus RTU based on 485, ModBus ASCII, the 60870-103 based on 485, ModBus TCP, 60870-104 or 61850 based on TCP.
Wherein, the positive relay of master comprised for controlling break-make battery rack major loop from Power Management Unit 10 bears relay with main, and for the preliminary filling relay to battery rack precharge.
Wherein, battery sampling circuit 13 comprises the temperature sampling line for gathering battery core temperature information in battery rack and the voltage sample line for gathering battery core information of voltage in battery rack.
The function that each unit module realizes is as follows:
Battery sampling circuit 13:
(1) in battery sampling circuit 13 pairs of battery racks, the voltage of battery core, temperature are sampled, and whether diagnosis has, and temperature sampling line, voltage sample line break, the short circuit of temperature sampling line.And the equilibrium of battery core is carried out according to the order from Power Management Unit 10.Also autonomous equilibrium can be carried out according to the voltage in the battery modules be made up of multiple battery core connection in series-parallel;
(2) information of voltage of collection, temperature information and equalization information are sent to from Power Management Unit 10 by communication network 1 by battery sampling circuit 13.
From Power Management Unit 10:
(1) receive information of voltage that battery sampling circuit 13 gathers, temperature information and equalization information from Power Management Unit 10, and manage the equilibrium of corresponding battery rack;
(2) from the battery rack real-time current information that Power Management Unit 10 received current sampling unit 12 gathers;
(3) break-make of the positive relay of internal main, main negative relay and preliminary filling relay is controlled from Power Management Unit 10;
(4) carry out self-inspection from Power Management Unit 10 pairs of internal relays, whether adhesion maybe cannot close to comprise diagnosis relay;
(5) from Power Management Unit 10 real-time estimation battery rack battery charge state (SOC), battery rack battery health (SOH), charging Limited Current value, electric discharge limits value, chargeable amount, can discharge capacity;
(6) from Power Management Unit 10 statistical history data, battery rack cycle-index, charging capacity, discharge capacity, relay closes number of times, band year breaks are included but not limited to;
(7) from Power Management Unit 10 group statistical summary data, maximum voltage and position, minimum voltage and position, maximum temperature and position, minimum temperature and the position of the monomer battery core in the battery rack of secondary power administration module 8 correspondence management is included but not limited to;
(8) judge whether current system data has overrun error, provides warning information according to threshold value from Power Management Unit 10;
(9) from Power Management Unit 10 according to battery core temperature, carry out temperature control;
(10) battery rack ambient temperature and battery rack smoke condition is detected from Power Management Unit 10.
Main power source administrative unit 2:
(1) main power source administrative unit 2 receives the summary data from Power Management Unit 10, and statistics is from the summary data of Power Management Unit 10, include but not limited to the maximum voltage of monomer battery core in the battery rack of the total current of the battery rack of each secondary power administration module 8 correspondence management, each secondary power administration module 8 correspondence management and position, minimum voltage and position, maximum temperature and position, minimum temperature and position, charging limit value, electric discharge limits value;
(2) total voltage of main power source administrative unit 2 sampling battery energy storage management system, the ambient temperature of battery energy storage management system place environment and ambient humidity;
(3) when battery energy storage management system is connected with two way convertor 14, main power source administrative unit 2 is according to the order of two way convertor 14, and execution powers on, lower electricity order;
(4) main power source administrative unit 2 has start, shut-off function;
(5) main power source administrative unit 2 has real-time time adjustment function, can proofread real-time clock 9 by GPS.
Current sampling unit 12: sampling is carried out to the electric current of single battery cabinet and converts, and sent to from Power Management Unit 10 by communication network 1.
Display panel 7: the charging of display system, discharge information, the powering on of each battery rack, alarm status.
Operational module 6: for carrying out debugging operations to battery energy storage management system.
Insulation monitoring module 3: for detecting battery energy storage management system insulation values.
Back-up source module 4: when outside power cut-off, back-up source module 4 can be powered to main power source administrative unit 2, operational module 6, display panel 7, insulation monitoring module 3 and secondary power administration module 8 by power supply in support.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change above-mentioned execution mode and revise.Therefore, the present invention is not limited to above-mentioned embodiment, and any apparent improvement of every those skilled in the art done by basis of the present invention, replacement or modification all belong to protection scope of the present invention.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (10)
1. a battery energy storage management system, it is characterized in that: comprise communication network, main power source administrative unit and several parallel secondary power administration modules, each described secondary power administration module correspondence management battery rack, described secondary power administration module is connected with described main power source administrative unit by communication network, and described secondary power administration module comprises from Power Management Unit and several parallel battery sampling circuit.
2. battery energy storage management system according to claim 1, is characterized in that: also comprise operational module and display panel, described operational module is connected with described main power source administrative unit by described communication network with display panel.
3. battery energy storage management system according to claim 2, is characterized in that: described operational module is debugging computer or touch-screen.
4. battery energy storage management system according to claim 1, is characterized in that: also comprise insulation monitoring module, and described insulation monitoring module is connected with described main power source administrative unit by communication network.
5. battery energy storage management system according to claim 1, is characterized in that: also comprise back-up source module.
6. battery energy storage management system according to claim 5, is characterized in that: described main power source administrative unit, described battery sampling circuit, describedly have in-service units function from Power Management Unit and described back-up source module.
7. battery energy storage management system according to claim 1, is characterized in that: also comprise main debug port, described main debug port is connected with described main power source administrative unit by described communication network.
8. battery energy storage management system according to claim 1, is characterized in that: described secondary power administration module also comprises current sampling unit, and described current sampling unit is connected from Power Management Unit with described by described communication network.
9. battery energy storage management system according to claim 1, is characterized in that: described secondary power administration module also comprises from debug port, is describedly connected with described battery sampling circuit from debug port by communication network.
10., according to the arbitrary described battery energy storage management system of claim 1 to 9, it is characterized in that: described battery energy storage management system is connected with two way convertor or EMS by communication network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410820780.4A CN104578124A (en) | 2014-12-25 | 2014-12-25 | Battery energy storage management system |
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| CN201410820780.4A CN104578124A (en) | 2014-12-25 | 2014-12-25 | Battery energy storage management system |
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| CN104578124A true CN104578124A (en) | 2015-04-29 |
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| CN201410820780.4A Pending CN104578124A (en) | 2014-12-25 | 2014-12-25 | Battery energy storage management system |
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Cited By (6)
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| CN106532163A (en) * | 2016-11-15 | 2017-03-22 | 上海玖行能源科技有限公司 | Battery management system |
| CN107947268A (en) * | 2017-11-30 | 2018-04-20 | 宁德时代新能源科技股份有限公司 | Battery pack balancing method, device and equipment |
| CN111624451A (en) * | 2019-02-28 | 2020-09-04 | 宁德时代新能源科技股份有限公司 | Energy storage system and insulation detection method thereof |
| CN111786426A (en) * | 2020-05-20 | 2020-10-16 | 宁波中车新能源科技有限公司 | Passive CMS equalization circuit and method based on super capacitor |
| CN113785550A (en) * | 2020-02-26 | 2021-12-10 | 株式会社Lg新能源 | Apparatus and method for providing battery information |
| WO2023236000A1 (en) * | 2022-06-06 | 2023-12-14 | 宁德时代新能源科技股份有限公司 | Control method for energy storage system, and energy storage system |
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| CN111786426A (en) * | 2020-05-20 | 2020-10-16 | 宁波中车新能源科技有限公司 | Passive CMS equalization circuit and method based on super capacitor |
| WO2023236000A1 (en) * | 2022-06-06 | 2023-12-14 | 宁德时代新能源科技股份有限公司 | Control method for energy storage system, and energy storage system |
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Application publication date: 20150429 |