GB202406723D0 - Energy storage system structure for ac power grid interconnection and control method - Google Patents

Energy storage system structure for ac power grid interconnection and control method

Info

Publication number
GB202406723D0
GB202406723D0 GBGB2406723.3A GB202406723A GB202406723D0 GB 202406723 D0 GB202406723 D0 GB 202406723D0 GB 202406723 A GB202406723 A GB 202406723A GB 202406723 D0 GB202406723 D0 GB 202406723D0
Authority
GB
United Kingdom
Prior art keywords
control method
energy storage
storage system
power grid
system structure
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
Application number
GBGB2406723.3A
Other versions
GB2627383A8 (en
GB2627383A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NR Electric Co Ltd
NR Engineering Co Ltd
Changzhou NR Electric Power Electronics Co Ltd
Original Assignee
NR Electric Co Ltd
NR Engineering Co Ltd
Changzhou NR Electric Power Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NR Electric Co Ltd, NR Engineering Co Ltd, Changzhou NR Electric Power Electronics Co Ltd filed Critical NR Electric Co Ltd
Publication of GB202406723D0 publication Critical patent/GB202406723D0/en
Publication of GB2627383A publication Critical patent/GB2627383A/en
Publication of GB2627383A8 publication Critical patent/GB2627383A8/en
Pending legal-status Critical Current

Links

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
    • 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
    • H02J3/04—Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
    • H02J3/06—Controlling transfer of power between connected networks; Controlling sharing of load between connected networks
    • 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
    • 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
    • H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
    • 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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • 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
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • 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
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/04—Regulation of charging current or voltage
    • 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
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/04—Regulation of charging current or voltage
    • H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
    • 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
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20—Charging or discharging characterised by the power electronics converter
    • 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
    • Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
GB2406723.3A 2022-04-02 2023-01-06 Energy storage system structure for AC power grid interconnection and control method Pending GB2627383A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210351353.0A CN114914903A (en) 2022-04-02 2022-04-02 Energy storage system structure for alternating current power grid interconnection and control method
PCT/CN2023/070869 WO2023185196A1 (en) 2022-04-02 2023-01-06 Energy storage system structure for ac power grid interconnection and control method

Publications (3)

Publication Number Publication Date
GB202406723D0 true GB202406723D0 (en) 2024-06-26
GB2627383A GB2627383A (en) 2024-08-21
GB2627383A8 GB2627383A8 (en) 2024-09-18

Family

ID=82762561

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2406723.3A Pending GB2627383A (en) 2022-04-02 2023-01-06 Energy storage system structure for AC power grid interconnection and control method

Country Status (4)

Country Link
CN (1) CN114914903A (en)
AU (1) AU2023243335A1 (en)
GB (1) GB2627383A (en)
WO (1) WO2023185196A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114914903A (en) * 2022-04-02 2022-08-16 南京南瑞继保电气有限公司 Energy storage system structure for alternating current power grid interconnection and control method
CN115833206B (en) * 2022-12-22 2023-08-15 北京索英电气技术股份有限公司 Energy storage conversion circuit, converter submodule and energy storage conversion system
CN118611189A (en) * 2024-08-08 2024-09-06 南京南瑞继保电气有限公司 Method, device, equipment and medium for controlling incremental active power of network-structured converter

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107039965B (en) * 2017-05-16 2023-11-24 南京南瑞继保电气有限公司 Community distribution network power supply system
CN111987732A (en) * 2019-05-22 2020-11-24 中国电力科学研究院有限公司 Electric energy exchanger and method suitable for flexible interconnection of feeder lines of power distribution network
CN110970943B (en) * 2019-12-20 2023-05-26 南方科技大学 Hybrid micro-grid system and control method thereof
CN211930274U (en) * 2020-05-18 2020-11-13 国网江苏省电力有限公司常州供电分公司 Distributed interconnected power grid system and multi-port flexible direct-current power transmission device thereof
CN112086991B (en) * 2020-08-26 2022-06-03 东南大学 Power grid frequency modulation method based on multi-terminal flexible direct current transmission system
CN112104306B (en) * 2020-09-17 2021-07-27 国网江苏省电力有限公司电力科学研究院 Mixed type flexible loop closing device and optical storage sharing interface control method
CN114070115B (en) * 2021-11-24 2024-09-03 上海交通大学 Multi-AC-port high-voltage direct-hanging energy storage power conversion system and control method thereof
CN114914903A (en) * 2022-04-02 2022-08-16 南京南瑞继保电气有限公司 Energy storage system structure for alternating current power grid interconnection and control method
CN217486182U (en) * 2022-04-02 2022-09-23 南京南瑞继保电气有限公司 Energy storage system structure for alternating current power grid interconnection

Also Published As

Publication number Publication date
WO2023185196A1 (en) 2023-10-05
GB2627383A8 (en) 2024-09-18
CN114914903A (en) 2022-08-16
AU2023243335A1 (en) 2024-05-16
GB2627383A (en) 2024-08-21

Similar Documents

Publication Publication Date Title
GB202406723D0 (en) Energy storage system structure for ac power grid interconnection and control method
GB2608898B (en) Hybrid grid and renewable based energy system
EP4300750A4 (en) Energy storage system and control method therefor, and photovoltaic power generation system
ZA202203480B (en) Method and system for predicting a day-ahead wind power of wind farms
GB2497064A (en) Apparatus and method for controlling a power inverter
EP4118305A4 (en) Renewable power generation system and method
TR201819528T4 (en) Methods and systems for operating a power generation system.
EP4199295A4 (en) Energy storage apparatus, control method for energy storage apparatus, and photovoltaic system
EP4303601A4 (en) Energy storage system control method and energy storage system
EP4138252A4 (en) Photovoltaic power generation system and method
EP4027292A4 (en) Blockchain-based electricity charge settlement method and system for energy storage power station
EP4100630A4 (en) System and method for combined heat and electric power generation
ZA202300660B (en) Power distribution method for photovoltaic power storage station group to participate in power grid stability control
EP4293867A4 (en) Energy storage system and method for controlling grounding structure of energy storage system
ZA202003013B (en) Method and system for controlling grid-connected power converter
KR102677408B9 (en) Electric vehicle charging system for both solar and grid power
GB202308557D0 (en) Alternating current-direct current power grid harmonic coupling modeling method and system
GB202303340D0 (en) Systems and methods for a hybrid power grid
EP3979492A4 (en) Electric energy backward-flow control method, converter, and photovoltaic power generation system
EP4239818A4 (en) Prefabricated transformer substation, oil-immersed transformer and photovoltaic power generation system
EP3931661A4 (en) Method for controlling integrated renewable electric generation resource and charge storage system providing desired capacity factor
EP4203289A4 (en) Inverter, photovoltaic power generation system and dehumidification method
EP4213335A4 (en) Power distribution method and energy storage system using same
EP4293852A4 (en) Energy storage system associated with solar system and method for controlling energy storage system
MX2019000682A (en) Photovoltaic system for generating electricity with an auxiliary charging module.