CN104319797B - A kind of Mobile energy storage system and control method thereof of ferric phosphate lithium cell - Google Patents
A kind of Mobile energy storage system and control method thereof of ferric phosphate lithium cell Download PDFInfo
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- CN104319797B CN104319797B CN201410562452.9A CN201410562452A CN104319797B CN 104319797 B CN104319797 B CN 104319797B CN 201410562452 A CN201410562452 A CN 201410562452A CN 104319797 B CN104319797 B CN 104319797B
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- 238000004146 energy storage Methods 0.000 title claims abstract description 74
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 20
- 239000005955 Ferric phosphate Substances 0.000 title claims abstract description 19
- 229940032958 ferric phosphate Drugs 0.000 title claims abstract description 19
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 title claims abstract description 19
- 229910000399 iron(III) phosphate Inorganic materials 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000004891 communication Methods 0.000 claims description 24
- 238000001816 cooling Methods 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 238000012806 monitoring device Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- AMGAJYGWUJWIPO-UHFFFAOYSA-N [Li].[Fe].[Y] Chemical compound [Li].[Fe].[Y] AMGAJYGWUJWIPO-UHFFFAOYSA-N 0.000 description 1
- BNOODXBBXFZASF-UHFFFAOYSA-N [Na].[S] Chemical compound [Na].[S] BNOODXBBXFZASF-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- JCDAAXRCMMPNBO-UHFFFAOYSA-N iron(3+);oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Ti+4].[Fe+3].[Fe+3] JCDAAXRCMMPNBO-UHFFFAOYSA-N 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- H02J13/0006—
-
- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
-
- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The present invention relates to a kind of Mobile energy storage system and control method thereof of ferric phosphate lithium cell, be arranged on internal container, it is characterized in that, comprise battery component, the cabinet that confluxes, bi-directional inverter and monitor component, described battery component is connected with the cabinet that confluxes by dc power line, the described cabinet that confluxes is connected with bi-directional inverter with AC power line by dc power line, and described bi-directional inverter is connected with monitor component. Compared with prior art, the present invention has advantage.
Description
Technical field
The present invention relates to electric and electronic technical field, especially relate to a kind of Mobile energy storage of ferric phosphate lithium cellSystem and control method thereof.
Background technology
Energy-storage system becomes the key device in the access of Future New Energy Source electrical network, intelligent grid construction, wind graduallyThe stored energy application of power Generate, Generation, Generator photovoltaic generating system has more demonstration project application abroad. Can be used as at present storageBattery that can element has ferric phosphate lithium cell, NaS battery, vanadium flow battery etc., but its technology maturation, economyProperty does not all also reach the requirement of large-scale application.
The development of ev industry, microgrid energy storage, has promoted the electrokinetic cell taking ferric phosphate lithium cell as representativeIndustrialized development, for condition has been created in the scale application of extensive energy-storage system. Along with energy-storage travelling wave tube-batteryTechnological break-through, after battery large-scale production, cost progressively reduces, extensive battery energy storage system will be in new forms of energy cityField, field has good market prospects.
At present, the high capacity lithium ion battery energy-storage system in worldwide is in research and Preliminary Applications stage.2008, A123Systems company of the U.S. developed the cabinet type ferric phosphate lithium cell energy-storage system of H-APU; 2009Year, the said firm provides 12MW in the LosAndes of Chilean Atacama Desert transformer station for AESGenerBattery energy storage system. The battery energy storage system ALTI-ESS that U.S. AltairNano development in 2010 makes new advancesAdvantage1.8MW/300kWh, this system is mainly used in frequency adjustment and high power responds fast, pearlHai Yintong group in October, 2010 entirety introduced R&D team and the patented technology of the said firm. 2010 6Month, Mitsubishi Heavy Industries Ltd have developed Japan first large capacity, removable energy-storage system, comprise lithium ion battery andControl system, should in interior whole energy-storage system is arranged on 20 feet of long containers that are placed on trailerThe rated power of energy-storage system and capacity are respectively 1MW, 0.408MWh. Mitsubishi wishes by utilizing systemMobility, emergency use, regenerative resource be grid-connected etc., several applications with high value are occupied certainThe market share.
At home, in April, 2010, Shanghai World Expo garden intelligent grid Integrated Demonstration engineering is being built up and is being put into operation comprehensively.Wherein, 100kW/800kWh sodium sulphur energy-accumulating power station turns at the Xuhui District Cao Xi energy as the energy storage of large capacity urban distribution networkChanging overview display base and shown, is the important component part of International Horticultural Expo Garden intelligent grid Integrated Demonstration engineering. ShenzhenBYD company develops the cabinet type energy-accumulating power station of 200kW × 4h based on ferric phosphate lithium cell energy storage technology for 2009And 1MW × 4h energy storage demonstration site (the actual 330kW × 4h that puts into operation), its application direction is positioned peak load shifting and newEnergy flexible access. 2011, the 3MW × 4h of domestic first Shenzhen, MW level battery energy storage station Baoqing energy storage stationBattery energy storage system has dropped into trial run. At present, domestic research direction and achievement mostly are fixing battery energy storage station,Although there is the emergent storage of 100kW × 6h, 200kW × 8h rare earth yttrium iron Lithium battery of Winston Battery LimitedEnergy car, the iron titanate lithium power supply vehicle of meet an emergency of Zhuhai Yin Tong group, the 200kW Mobile energy storage electricity of BYD groupStand, but be all confined to use as the stand-by power supply of low capacity the movably modular battery of large-capacity distributingEnergy-storage system not yet conducts a research.
Existing Mobile energy storage system is basically identical in outward appearance, mostly adopts the TEU (Twenty-foot Equivalent Unit) transformation of the way to form, realOn border, be all that two way convertor and energy-storage battery form, do not possess microgrid management function and new forms of energy access.
Summary of the invention
Object of the present invention provides a kind of safe and reliable in order to overcome the defect of above-mentioned prior art existenceMobile energy storage system and the control method thereof of ferric phosphate lithium cell.
Object of the present invention can be achieved through the following technical solutions:
A Mobile energy storage system for ferric phosphate lithium cell, is arranged on internal container, comprises battery component, remittanceStream cabinet, bi-directional inverter and monitor component, described battery component is connected with the cabinet that confluxes by dc power line, instituteThe cabinet that confluxes of stating is connected with bi-directional inverter by dc power line, and described bi-directional inverter and monitor component connectConnect.
Described battery component comprises multiple energy-storage battery casees, and described energy-storage battery case comprises Battery case, lockingMechanism, energy-storage battery, integrated BMS and related electric and mechanical auxiliary, described lockable mechanism is arranged onBattery case two ends, described energy-storage battery and mechanical auxiliary are arranged on Battery case inside, and described is integratedBMS is connected with energy-storage battery.
Described integrated BMS comprises battery electron unit, battery control unit and detection of electrical leakage unit.
The described cabinet that confluxes comprises multiple NETOMACs, and described NETOMAC comprises interchange 0.4kV three-phase fiveLine electrical network interface processed, 0.4kV three-phase four-wire system new forms of energy exchange interface and 0.4kV three-phase four-wire system AC load connectsMouthful.
Described bi-directional inverter is four-quadrant bi-directional inverter, and described bi-directional inverter comprises that exchanging EMC filtersRipple device, direct current EMC wave filter, LC filter circuit and AC/DC power cell, described interchange EMC filterRipple device, LC filter circuit, AC/DC power cell and direct current EMC wave filter are connected successively.
Described AC/DC power cell adopts " I " type three level topological structures.
Described monitor component comprise microgrid energy storage Centralized Controller, background monitoring device, switch, local monitor device,Communication manager and multiple RS485 communication interface, described microgrid energy storage Centralized Controller respectively with the two-way change of currentDevice, switch, watch-dog and RS485 communication interface are connected, and described switch is connected with local monitor device.
Described container comprises the first cooling fan, the second cooling fan and the 3rd cooling fan, described firstCooling fan is arranged on container top, and the second described cooling fan is arranged on a side of energy-storage battery case, described inThe 3rd cooling fan be arranged on the partition of internal container.
A Mobile energy storage system control method for ferric phosphate lithium cell, comprises the following steps:
1), during being incorporated into the power networks, Centralized Controller obtains battery, photovoltaic, blower fan information by communication manager,Centralized Controller is formulated and is discharged and recharged strategy, Centralized Controller according to battery SOC and other distribution power situation of exerting oneselfIssue and discharge and recharge instruction to bi-directional inverter by communication manager;
2) bi-directional inverter is carried out battery charging and discharging according to the instruction of Centralized Controller, energy-storage system is participated in wholeThe energy scheduling of system;
3) Centralized Controller is by voltage, the electric current at the analog quantity sampling plate real-time monitoring system total input-wire place of selfInformation, when detecting after system power failure, Centralized Controller is by self input and output plate disconnection total input-wire switch, soIssued from net and ordered to bi-directional inverter by communication manager afterwards, micro-electrical network is from network operation; During network operation,Centralized Controller detects that system voltage recovers and meet to close total input-wire switch when condition the same period, then passes through communication pipeReason machine issues grid-connected order to bi-directional inverter, and micro-electrical network is incorporated into the power networks again;
4) quality of power supply of Centralized Controller monitoring site, regulates bi-directional inverter idle defeated according to the quality of power supplyGo out.
Compared with prior art, the present invention has the following advantages:
One, native system adopts the bi-directional inverter circuit topology design of modularization, three level, has reduced transverterCost and control realize difficulty, have improved the reliability of complete equipment;
Two, native system adopts the heat dissipation technology of high power density, compared with existing radiating mode, reduce costs,More easily realize and manufacture;
Three, the battery burst mode that native system has is easy in groups and safeguards, more easily realizes user's request;
Four, the monitoring system of native system has microgrid energy management function, can be applied to more place, alsoMeet standardized designs and meet multiple user's request;
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is Mobile energy storage system equipment layout drawing.
Fig. 3 is Mobile energy storage system main circuit topology.
Fig. 4 is Mobile energy storage grid topological diagram.
Fig. 5 is the structural representation of bi-directional inverter.
Fig. 6 is the structural representation of AC/DC power cell.
Fig. 7 is the structural representation of energy-storage battery case.
Fig. 8 is control method flow chart of the present invention.
Wherein: 1, battery component, 2, the cabinet that confluxes, 3, bi-directional inverter, 4, monitor component, 11, batteryCasing, 12, lockable mechanism, 13, energy-storage battery, 14, integrated BMS, 15, related electric and machinery auxiliaryPart, 141, battery electron unit, 142, battery control unit, 143, detection of electrical leakage unit, 31, exchange EMCWave filter, 32, direct current EMC wave filter, 33, LC filter circuit, 34, AC/DC power cell, 41,Microgrid energy storage Centralized Controller, 42, background monitoring device, 43, switch, 44, local monitor device, 45, communicationSupervisor, 46, RS485 communication interface.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment:
As shown in Figure 1, a kind of Mobile energy storage system of ferric phosphate lithium cell, is arranged on internal container, comprisesBattery component 1, the cabinet 2 that confluxes, bi-directional inverter 3 and monitor component 4, battery component 1 is by dc power lineBe connected with the cabinet 2 that confluxes, the cabinet 2 that confluxes is connected with bi-directional inverter 3 by dc power line, bi-directional inverter 3Be connected with monitor component 4.
As shown in Figure 3, figure is Mobile energy storage system main circuit topology.
As shown in Figure 4, figure is Mobile energy storage grid topological diagram.
As shown in Figure 7,8: battery component 1 comprises multiple energy-storage battery casees, and energy-storage battery case comprises Battery case11, lockable mechanism 12, energy-storage battery 13, integrated BMS14 and related electric and mechanical auxiliary 15, instituteThe lockable mechanism 12 of stating is arranged on Battery case 11 two ends, and described energy-storage battery 13 and mechanical auxiliary 15 arrangeIn Battery case 11 inside, described integrated BMS14 is connected with energy-storage battery 13.
Integrated BMS comprises battery electron unit 141, battery control unit 142 and detection of electrical leakage unit 143.
The cabinet 2 that confluxes comprises multiple NETOMACs, and NETOMAC comprises that exchanging 0.4kV three-phase five-wire mode electrical network connectsMouth, 0.4kV three-phase four-wire system new forms of energy exchange interface and 0.4kV three-phase four-wire system AC load interface.
As shown in Figure 5, bi-directional inverter 3 is four-quadrant bi-directional inverter, and bi-directional inverter 3 comprises interchange EMCWave filter 31, direct current EMC wave filter 32, LC filter circuit 33 and AC/DC power cell 34, exchangeEMC wave filter 31, LC filter circuit 33, AC/DC power cell 34 and direct current EMC wave filter 32 are complied withInferior connection.
As shown in Figure 6, AC/DC power cell adopts " I " type three level topological structures.
Monitor component 4 comprises microgrid energy storage Centralized Controller 41, background monitoring device 42, switch 43, local prisonControl device 44, communication manager 45 and multiple RS485 communication interface 46, microgrid energy storage Centralized Controller 41 respectivelyBe connected microgrid energy storage Centralized Controller 41 by optical fiber with bi-directional inverter 3, switch 43 and watch-dog 42Be connected described switch 43 and local monitor device 44 by RS485 communication interface 46 with communication manager 45Connect.
As shown in Figure 2, container comprises the first cooling fan, the second cooling fan and the 3rd cooling fan, firstCooling fan is arranged on container top, and the second cooling fan is arranged on a side of energy-storage battery case, the 3rd radiation airMachine is arranged on the partition of internal container.
As shown in Figure 8, a kind of Mobile energy storage system control method of ferric phosphate lithium cell, comprises the following steps:
1), during being incorporated into the power networks, Centralized Controller obtains battery, photovoltaic, blower fan information by communication manager,Centralized Controller is formulated and is discharged and recharged strategy, Centralized Controller according to battery SOC and other distribution power situation of exerting oneselfIssue and discharge and recharge instruction to bi-directional inverter by communication manager;
2) bi-directional inverter is carried out battery charging and discharging according to the instruction of Centralized Controller, energy-storage system is participated in wholeThe energy scheduling of system;
3) Centralized Controller is by voltage, the electric current at the analog quantity sampling plate real-time monitoring system total input-wire place of selfInformation, when detecting after system power failure, Centralized Controller is by self input and output plate disconnection total input-wire switch, soIssued from net and ordered to bi-directional inverter by communication manager afterwards, micro-electrical network is from network operation; During network operation,Centralized Controller detects that system voltage recovers and meet to close total input-wire switch when condition the same period, then passes through communication pipeReason machine issues grid-connected order to bi-directional inverter, and micro-electrical network is incorporated into the power networks again;
4) quality of power supply of Centralized Controller monitoring site, regulates bi-directional inverter idle defeated according to the quality of power supplyGo out.
Claims (6)
1. a Mobile energy storage system for ferric phosphate lithium cell, is arranged on internal container, it is characterized in that,Comprise battery component (1), the cabinet that confluxes (2), bi-directional inverter (3) and monitor component (4), described batteryAssembly (1) is connected with the cabinet that confluxes (2) by dc power line, and the described cabinet that confluxes (2) passes through dc powerLine is connected with bi-directional inverter (3), and described bi-directional inverter (3) is connected with monitor component (4), described inBi-directional inverter (3) be four-quadrant bi-directional inverter, described bi-directional inverter (3) comprise exchange EMCWave filter (31), direct current EMC wave filter (32), LC filter circuit (33) and AC/DC power cell (34),Described interchange EMC wave filter (31), LC filter circuit (33), AC/DC power cell (34) and straightStream EMC wave filter (32) connects successively, and described monitor component (4) comprises microgrid energy storage Centralized Controller(41), background monitoring device (42), switch (43), local monitor device (44), communication manager (45) andMultiple RS485 communication interfaces (46), described microgrid energy storage Centralized Controller (41) respectively with bi-directional inverter(3), switch (43) is connected by optical fiber with watch-dog (42), described microgrid energy storage Centralized Controller (41)Be connected by RS485 communication interface (46) with communication manager (45), described switch (43) is with localWatch-dog (44) connects, and described battery component (1) comprises multiple energy-storage battery casees, described energy-storage batteryCase comprise Battery case (11), lockable mechanism (12), energy-storage battery (13), integrated BMS (14) andRelated electric and mechanical auxiliary (15), described lockable mechanism (12) is arranged on Battery case (11) two ends,Described energy-storage battery (13) and mechanical auxiliary (15) are arranged on Battery case (11) inside, described oneChanging BMS (14) is connected with energy-storage battery (13).
2. the Mobile energy storage system of a kind of ferric phosphate lithium cell according to claim 1, is characterized in that,Described integrated BMS comprises battery electron unit (141), battery control unit (142) and detection of electrical leakageUnit (143).
3. the Mobile energy storage system of a kind of ferric phosphate lithium cell according to claim 1, is characterized in that,The described cabinet that confluxes (2) comprises multiple NETOMACs, and described NETOMAC comprises interchange 0.4kV three-phaseFive-wire system electrical network interface, 0.4kV three-phase four-wire system new forms of energy exchange interface and 0.4kV three-phase four-wire system AC loadInterface.
4. the Mobile energy storage system of a kind of ferric phosphate lithium cell according to claim 1, is characterized in that,Described AC/DC power cell adopts " I " type three level topological structures.
5. the Mobile energy storage system of a kind of ferric phosphate lithium cell according to claim 1, is characterized in that,Described container comprises the first cooling fan, the second cooling fan and the 3rd cooling fan, the first described heat radiationBlower fan is arranged on container top, and the second described cooling fan is arranged on a side of energy-storage battery case, and describedThree cooling fans are arranged on the partition of internal container.
6. a control method for the Mobile energy storage system of application ferric phosphate lithium cell as claimed in claim 1,It is characterized in that, comprise the following steps:
1), during being incorporated into the power networks, Centralized Controller obtains battery, photovoltaic, blower fan information by communication manager,Centralized Controller is formulated and is discharged and recharged strategy, Centralized Controller according to battery SOC and other distribution power situation of exerting oneselfIssue and discharge and recharge instruction to bi-directional inverter by communication manager;
2) bi-directional inverter is carried out battery charging and discharging according to the instruction of Centralized Controller, energy-storage system is participated in wholeThe energy scheduling of system;
3) Centralized Controller is by voltage, the electric current at the analog quantity sampling plate real-time monitoring system total input-wire place of selfInformation, when detecting after system power failure, Centralized Controller is by self input and output plate disconnection total input-wire switch, soIssued from net and ordered to bi-directional inverter by communication manager afterwards, micro-electrical network is from network operation; During network operation,Centralized Controller detects that system voltage recovers and meet to close total input-wire switch when condition the same period, then passes through communication pipeReason machine issues grid-connected order to bi-directional inverter, and micro-electrical network is incorporated into the power networks again;
4) quality of power supply of Centralized Controller monitoring site, regulates bi-directional inverter idle defeated according to the quality of power supplyGo out.
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| CN105119348A (en) * | 2015-09-22 | 2015-12-02 | 苏州达力客自动化科技有限公司 | Battery energy management apparatus |
| CN107332264A (en) * | 2016-04-28 | 2017-11-07 | 北京华泰美景科技发展有限公司 | A kind of fixed and Mobile energy storage power station |
| CN109494775A (en) * | 2018-11-26 | 2019-03-19 | 上海融政能源科技有限公司 | A kind of container energy-storage system |
| CN110098630A (en) * | 2019-06-10 | 2019-08-06 | 深圳市雄韬电源科技股份有限公司 | Energy storage for power supply system and energy storage for power supply case |
| CN112713520A (en) * | 2020-12-17 | 2021-04-27 | 中交铁道设计研究总院有限公司 | Off-grid wind-solar energy storage intelligent power supply system |
| CN116819355B (en) * | 2023-04-28 | 2024-05-17 | 广东恒翼能科技股份有限公司 | Energy-saving test system for direct-current bus of micro-grid at rear section of battery cell |
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| CN104319797A (en) | 2015-01-28 |
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