[go: up one dir, main page]

WO2022215793A1 - Système de réseau électrique régional - Google Patents

Système de réseau électrique régional Download PDF

Info

Publication number
WO2022215793A1
WO2022215793A1 PCT/KR2021/005136 KR2021005136W WO2022215793A1 WO 2022215793 A1 WO2022215793 A1 WO 2022215793A1 KR 2021005136 W KR2021005136 W KR 2021005136W WO 2022215793 A1 WO2022215793 A1 WO 2022215793A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
power
power generation
information
generation unit
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.)
Ceased
Application number
PCT/KR2021/005136
Other languages
English (en)
Korean (ko)
Inventor
이상선
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.)
Sewon Elec Co ltd
Original Assignee
Sewon Elec 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 Sewon Elec Co ltd filed Critical Sewon Elec Co ltd
Publication of WO2022215793A1 publication Critical patent/WO2022215793A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

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
    • 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
    • H02J3/381—Dispersed generators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Energy or water supply
    • 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
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • 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
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • 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
    • 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
    • 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
    • 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
    • H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • 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
    • 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
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/10—The dispersed energy generation being of fossil origin, e.g. diesel generators
    • 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
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • 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
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/28—The renewable source being wind energy
    • 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
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/10—The network having a local or delimited stationary reach
    • H02J2310/18—The network being internal to a power source or plant
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers
    • 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
    • Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
    • 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
    • Y04S10/14—Energy storage units

Definitions

  • the present invention relates to a regional power grid system, and more particularly, to use a photovoltaic generator, a wind generator, and a self-generated generator with priority over external power, a illuminance sensor, a wind direction sensor, and a wind speed sensor are used to determine the possibility of power generation, and the battery power storage amount It manages to keep it constant, supplies economical and high-quality power to consumers, and collects solar power generation unit, wind power generation unit, engine power generation unit using LNG, LPG or GUS eco-friendly energy, battery unit, and operation information to create a database of this information. It relates to providing a regional power grid system including a unit, a control unit, and an environmental information collection unit.
  • solar power generation power must have sufficient charging efficiency and discharging efficiency under various environmental conditions.
  • the charging and discharging efficiency of a rechargeable battery responds very sensitively to the surrounding temperature. It should be able to have a constant rated output with sufficient efficiency even in various environmental climates and weather conditions.
  • the conventional battery management method does not take into account the battery efficiency for such climate and weather changes, especially temperature conditions, and practical management and supplementation for this are not made.
  • the blade is rotatably installed on the upper part of the structure, etc., and the gearbox that increases the rotational speed of the rotational shaft of the blade rotated by the wind is interlocked with the blade, and the power is generated by the rotational force increased by the gearbox. This is produced, stored in batteries, and supplied to consumers.
  • Wind power generators are also directly affected by the external environment (wind speed, wind direction) like solar power generation, and the power storage efficiency of the stored power has the same problems as solar power generation as described above. It is a situation that cannot accommodate the demands of consumers who want to use it to increase economic efficiency and power independence.
  • Patent Document 1 Korean Patent No. 10-1113508, registered on Jan. 31, 2012, Title of Invention: Solar PSS integrated interactive battery charging/discharging system and method
  • the technical problem to be achieved by the present invention is to solve the problems or necessity as described above, and to use a photovoltaic generator, a wind generator, and a self-generator with priority over external power, power generation using an illuminance sensor, a wind direction sensor and a wind speed sensor
  • the solar power generation unit, wind power generation unit, engine power generation unit, battery unit, operation information collection unit It is intended to provide a regional power grid system including a control unit and an environmental information collection unit.
  • the solar power generation unit 100 provided to produce power using a plurality of solar cells and a wind power generation unit provided to produce power with power transmitted from a blade driven by wind pressure (200) and the engine power generation unit 300 using the eco-friendly energy LPG generator to recycle the heat generated from the generator and use it as a vaporizer heat source to increase energy efficiency, thereby providing a regional unit power grid system independent from external power sources. .
  • the solar power generation unit 100, the wind power generation unit 200, and the engine power generation unit 300 is produced through the battery unit 400 is provided to store power. It is intended to provide a regional power grid system for storing electric power and maintaining the discharge quality at a rated level.
  • the driving information collection unit 600 and the solar power generation unit 100, the wind power generation unit 200, the engine power generation unit 300 and the battery provided to collect the power storage information 620 including the amount of power storage
  • the environment information collection unit 800 provided to collect the environmental information 810 including at least the illuminance, temperature, humidity, wind speed and wind direction information in the vicinity where the unit 400 is installed and transmit it to the control unit 700 is optimal It is intended to provide a regional power grid system that monitors and derives operating conditions.
  • Another object of the present invention is to use the driving information 610 collected by the driving information collecting unit 600 to generate the solar power generation unit 100, the wind power generation unit 200 or the engine power generation unit ( 300) sends an operation control signal 720 and the battery unit 400 transmits power to the consumer unit 500 using the power storage information 620 collected by the driving information collection unit 600.
  • a regional power grid that efficiently operates and manages the power grid with the control unit 700 provided with a memory 710 to store the operation information 610 that is collected while transmitting 730 and the operation control signal 720 that is transmitted It is intended to provide a system.
  • control unit 700 is provided so that the step-by-step power storage target is preset and stored in the memory 710, and the photovoltaic power generation unit compares the power storage information 620 with the step-by-step power storage target with each other. (100) or the regional power grid that determines whether to drive only the wind power generation unit 200 or the engine power generation unit 300 to generate the operation control signal 720 to reduce energy efficiency and power production cost It is intended to provide a system.
  • the operation information 610 further includes information on the amount of power produced by the solar power generation unit 100, the wind power generation unit 200 and the engine power generation unit 300
  • the control unit 700 is provided to calculate the power storage performance of the battery unit 400 by comparing the power generation information and the power storage information 620 with each other, and the battery unit 400 includes a plurality of battery packs ( 410) and the power storage performance is provided to be calculated in units of the battery pack 410, so that precise battery management is possible, thereby providing a regional power grid system capable of preventing failure.
  • control unit 700 compares the illuminance information collected by the illuminance sensor included in the environmental information collection unit 800 and the amount of electricity generated by the photovoltaic unit 100 with each other. It is provided to store and display in the memory 710 and compares the wind speed and wind direction information collected by the wind sensor included in the environmental information collection unit 800 and the amount of power information produced by the wind power generation unit 200 with each other.
  • An object of the present invention is to provide a regional power grid system in which data (database) that can be stored and displayed in the memory 710 to produce optimal power is built.
  • the environmental information collection unit 800 further includes a separate thermometer and a hygrometer for each battery pack 410 so that the temperature is managed for each battery pack 410 in the environmental information 810 .
  • the power storage performance is calculated in units of the battery pack 410, and all of the battery pack 410, the power storage performance, recording time and temperature and humidity information are stored in the memory 710, and the environment information 810 ), the environmental information collection unit 800 is further provided with a separate thermometer for each solar cell so that the temperature and the illuminance are managed for each solar cell, and the memory 710 is connected to the photovoltaic generator 100
  • An object of the present invention is to provide a regional power grid system in which the power storage performance, recording time, and temperature information are all stored for each battery pack 410 and capable of accurately and predictably calculating the amount of power generation.
  • the regional unit power grid system related to an example of the present invention for realizing the above-described problem may include a photovoltaic power generation unit 100 provided to produce power using a plurality of solar cells.
  • it may include a
  • the engine power generation unit 300 is provided to generate electric power using an engine driven by an eco-friendly energy source; may include.
  • the solar power generation unit 100, the wind power generation unit 200, and the battery unit 400 provided to store power generated through the engine power generation unit 300; may include.
  • a receiver unit 500 connected to the battery unit 400 through a power distribution network and provided to use the power stored in the battery unit 400; may include.
  • the solar power generation unit 100 , the wind power generation unit 200 , and the power storage including the operation information 610 of the engine power generation unit 300 and the accumulator state and the amount of power storage of the battery unit 400 . and a driving information collection unit 600 provided to collect the information 620 .
  • an operation control signal to the solar power generation unit 100 , the wind power generation unit 200 , or the engine power generation unit 300 using the operation information 610 collected by the operation information collection unit 600 . (720) and transmits a power transmission control signal 730 so that the battery unit 400 transmits power to the consumer unit 500 using the power storage information 620 collected by the operation information collection unit 600, and and a controller 700 having a memory 710 to store the collected driving information 610 and the operation control signal 720 to be transmitted.
  • the photovoltaic unit 100, the wind power generation unit 200, the engine power generation unit 300, and the battery unit 400 is installed near the installed illumination, temperature, humidity, wind speed and wind direction information is included at least It may include a;
  • control unit 700 is provided so that the step-by-step power storage target is preset and stored in the memory 710 , and compares the power storage information 620 with the step-by-step power storage target with the solar power generation unit 100 or the wind power. It may be characterized in that it is provided to generate the operation control signal 720 by determining whether to drive only the power generation unit 200 or the engine power generation unit 300 .
  • the operation information 610 further includes information on the amount of power produced by the solar power generation unit 100 , the wind power generation unit 200 and the engine power generation unit 300 , and the control unit 700 is It is provided so as to calculate the power storage performance of the battery unit 400 by comparing the power generation information and the power storage information 620 with each other, wherein the battery unit 400 is provided with a plurality of battery packs 410 and the The power storage performance may be provided to be calculated in units of the battery pack 410 .
  • control unit 700 compares the illuminance information collected by the illuminance sensor included in the environmental information collection unit 800 and the amount of power information produced by the photovoltaic power generation unit 100 with each other in the memory 710 . It is provided to store and display, and compares the wind speed and wind direction information collected by the wind sensor included in the environmental information collection unit 800 and the amount of electricity generated by the wind power generation unit 200 with each other in the memory 710 . It may be characterized in that it is provided to store and display.
  • the environmental information collection unit 800 further includes a separate thermometer for each battery pack 410 so that the temperature is managed for each battery pack 410 in the environmental information 810 so that the power storage performance is determined by the battery.
  • the battery pack 410, the power storage performance, recording time, and temperature information are all calculated in units of pack 410 and stored in the memory 710, and the temperature for each solar cell in the environment information 810 is
  • the environmental information collection unit 800 further includes a separate thermometer for each solar cell to be managed, respectively, and the power storage performance for each battery pack 410 connected to the photovoltaic generator 100 in the memory 710 . , it may be characterized in that it is provided to store all of the recording time and temperature information.
  • the battery unit 400 is connected to the external power supply system 900 , and the control unit 700 compares the power storage information 620 with the step-by-step power storage target with each other to provide the external power supply system 900 . It may be characterized in that it is provided to determine whether power is received from the power supply and to turn on/off the power reception switch.
  • the driving information 610 includes at least a driving start time, a driving end time, a generated voltage, a generated current, an amount of power generation and a daily power generation amount, and is provided to include the transmission voltage and transmission current transmitted to the consumer unit 500 .
  • the power storage information 620 may be provided to include at least the drive start time, the drive end time, the power storage drive source, the amount of power generation and the amount of daily power generation.
  • control unit 700 is provided to transmit an operation control signal to the cold/temperature controller when the temperature collected by the environmental information 810 is out of a preset temperature threshold, Storing the power consumption, total power generation, and initial environmental temperature and changed environmental temperature of the cold and temperature controller in the memory 710,
  • the cooling/heating controller When the total amount of power generation is smaller than the power consumption of the cooling/heating controller, when the initial environmental temperature is below a certain temperature, the cooling/heating controller is provided to end driving,
  • the cooling/heating controller When the temperature collected by the environmental information 810 is greater than or equal to a preset temperature threshold, the cooling/heating controller is driven until it is within a temperature threshold irrespective of the total amount of power generation, and the environmental information 810 is collected
  • the memory (710) is provided to transmit an operation control signal to the dehumidifier when the humidity exceeds a preset humidity threshold, and the temperature, humidity, total power generation, temperature after driving the cold and temperature controller, and humidity after driving the dehumidifier along with time information ) may be characterized in that it is provided to store and display.
  • the battery unit 400 and the consumer unit 500 may further include a converter unit between the existing power transmission and distribution network and the battery unit 400 so that the existing transmission and distribution network can be used. .
  • the present invention provides a regional power grid system to determine the possibility of power generation using an illuminance sensor, a wind direction sensor and a wind speed sensor so that a solar power generator, a wind power generator, and eco-friendly energy users prefer to use the generator rather than external power, and the battery storage
  • a regional power grid system to determine the possibility of power generation using an illuminance sensor, a wind direction sensor and a wind speed sensor so that a solar power generator, a wind power generator, and eco-friendly energy users prefer to use the generator rather than external power, and the battery storage
  • the solar power generation unit 100 provided to produce power using a plurality of solar cells and the wind power generation unit 200 provided to produce power with the power transmitted from the blade driven by wind pressure
  • the engine power generation unit 300 is provided to produce electric power using an engine driven by a yellow light energy source, and it is possible to maintain a regional power grid independent from an external power supply source.
  • the solar power generation unit 100 , the wind power generation unit 200 , and the battery unit 400 provided to store power generated through the engine power generation unit 300 store power and discharge quality. It is possible to stably supply high-quality electricity by maintaining the rated value.
  • power storage including the operation information 610 of the solar power generation unit 100 , the wind power generation unit 200 , and the engine power generation unit 300 , and the accumulator state and the amount of power storage of the battery unit 400 .
  • the driving information collection unit 600 provided to collect the information 620 and the solar power generation unit 100, the wind power generation unit 200, the engine power generation unit 300 and the battery unit 400 are installed.
  • the environmental information collection unit 800 provided to collect and transmit the environmental information 810 including at least information on nearby illuminance, temperature, humidity, wind speed and wind direction to the control unit 700 is used to monitor the operating state, and optimize operation. conditions can be derived.
  • the control unit 700 provided with a memory 710 to store the collected driving information 610 and the operation control signal 720 to be transmitted to efficiently operate and manage the power grid.
  • control unit 700 is provided so that the step-by-step power storage target is preset and stored in the memory 710 , and compares the power storage information 620 with the step-by-step power storage target with the solar power generation unit 100 or the wind power. By determining whether to drive only the power generation unit 200 or the engine power generation unit 300 to generate the operation control signal 720 , energy efficiency and power generation cost are reduced.
  • the operation information 610 further includes information on the amount of power produced by the solar power generation unit 100 , the wind power generation unit 200 and the engine power generation unit 300 , and the control unit 700 is It is provided so as to calculate the power storage performance of the battery unit 400 by comparing the power generation information and the power storage information 620 with each other, wherein the battery unit 400 is provided with a plurality of battery packs 410 and the The power storage performance is provided to be calculated in units of the battery pack 410, so that precise battery management is possible.
  • the control unit 700 compares the illuminance information collected by the illuminance sensor included in the environmental information collection unit 800 and the amount of power information produced by the photovoltaic power generation unit 100 with each other in the memory 710 . It is provided to store and display, and compares the wind speed and wind direction information collected by the wind sensor included in the environmental information collection unit 800 and the amount of electricity generated by the wind power generation unit 200 with each other in the memory 710 . Data (database) that can be stored and displayed to produce optimal power is built.
  • the environmental information collecting unit 800 further includes a separate thermometer for each battery pack 410 so that the temperature and humidity are managed for each battery pack 410 in the environmental information 810, so that the power storage performance of the battery
  • the battery pack 410, the power storage performance, the recording time and temperature information are all stored in the memory 710, which is calculated in units of packs 410, and the environmental information 810 includes the temperature and
  • the environmental information collection unit 800 further includes a separate thermometer for each solar cell so that the illuminance is managed, respectively, and for each battery pack 410 connected to the photovoltaic generator 100 in the memory 710 . It is provided so that the storage performance, recording time and temperature information are all stored, so it is possible to accurately calculate the amount of power generation.
  • FIG. 1 is a system configuration diagram showing a regional power grid system according to an embodiment of the present invention.
  • FIG. 2 is an exemplary screen view for explaining the contents of the regional power grid system according to a preferred embodiment of the present invention to collect driving information and environmental information to monitor the system state.
  • FIG. 3 is a system configuration diagram for explaining an energy-saving eco-friendly operation mode of a regional power grid system according to another preferred embodiment of the present invention.
  • FIG. 4 is a system configuration diagram for explaining a night operation mode of a regional power grid system according to another preferred embodiment of the present invention.
  • FIG. 5 is a system configuration diagram for explaining the contents of a regional power grid system interworking with an external power generation system according to another preferred embodiment of the present invention.
  • 6 and 7 are block diagrams and flow diagrams for explaining the control unit and operation control of the regional power grid system according to an embodiment of the present invention.
  • FIG. 1 is a system configuration diagram showing a regional power grid system according to a preferred embodiment of the present invention
  • FIG. 2 is a system state by collecting operation information and environmental information by a regional power grid system according to a preferred embodiment of the present invention
  • 3 is a system configuration diagram for explaining an energy-saving eco-friendly operation mode of a regional power grid system according to another preferred embodiment of the present invention
  • FIG. 4 is a diagram of the present invention. It is a system configuration diagram for explaining a night operation mode of a regional power grid system according to another preferred embodiment, and FIG.
  • FIG. 5 is a system configuration diagram for explaining the contents of the regional power grid system according to another preferred embodiment of the present invention interworking with an external power generation system 6 and 7 are block diagrams and flow diagrams for explaining the control unit and operation control of the regional power grid system according to an embodiment of the present invention.
  • the regional unit power grid system is provided with a photovoltaic unit 100 provided to generate power using a plurality of solar cells.
  • the wind power generator 200 is provided to generate electric power with the power transmitted from the blades driven by wind pressure.
  • the engine power generation unit 300 provided to generate electric power using an engine driven by an eco-friendly energy source is provided.
  • a battery unit 400 provided to store power generated through the solar power generation unit 100 , the wind power generation unit 200 and the engine power generation unit 300 is provided. do.
  • a receiver unit 500 connected to the battery unit 400 through a power distribution network to use the power stored in the battery unit 400 is provided.
  • the solar power generation unit 100 the wind power generation unit 200 or the engine power generation unit using the driving information 610 collected by the driving information collecting unit 600 .
  • a control unit 700 having a memory 710 is provided to store the driving information 610 that is collected while transmitting a signal 730 and the operation control signal 720 that is transmitted.
  • an environmental information collection unit 800 is provided to collect environmental information 810 including at least wind speed and wind direction information and transmit it to the control unit 700 .
  • the control unit 700 is provided so that the step-by-step power storage target is preset and stored in the memory 710 , and compares the power storage information 620 with the step-by-step power storage target to generate the solar power generation. It is provided to generate the operation control signal 720 by determining whether to drive only the unit 100 or the wind power generation unit 200 or even the engine power generation unit 300 .
  • the operation information 610 further includes information on the amount of power produced by the solar power generation unit 100, the wind power generation unit 200, and the engine power generation unit 300
  • the control unit 700 is provided to calculate the power storage performance of the battery unit 400 by comparing the power generation information and the power storage information 620 with each other, and the battery unit 400 includes a plurality of battery packs. 410 , and the power storage performance is provided to be calculated in units of the battery pack 410 .
  • control unit 700 compares the illuminance information collected by the illuminance sensor included in the environmental information collection unit 800 and the amount of electricity produced by the photovoltaic unit 100 with each other. to store and display in the memory 710, and compare the wind speed and direction information collected by the wind sensor included in the environmental information collection unit 800 and the amount of electricity generated by the wind power generation unit 200 with each other to be stored and displayed in the memory 710 .
  • the environmental information collecting unit 800 further includes a separate thermometer for each battery pack 410 so that the temperature is managed for each battery pack 410 in the environmental information 810 , so that the power storage performance is determined by the battery.
  • the battery pack 410, the power storage performance, recording time, and temperature information are all calculated in units of pack 410 and stored in the memory 710, and the temperature for each solar cell in the environment information 810 is
  • the environmental information collection unit 800 further includes a separate thermometer for each solar cell to be managed, respectively, and the power storage performance for each battery pack 410 connected to the photovoltaic generator 100 in the memory 710 . , recording time and temperature information are all stored.
  • the battery unit 400 is connected to an external power supply system 900 , and the control unit 700 compares the power storage information 620 with the step-by-step power storage target with each other to obtain the external power supply system 900 . It is provided to determine whether power is received from the power supply system 900 and to turn ON/OFF the power reception switch.
  • the driving information 610 includes at least a driving start time, a driving end time, a generated voltage, a generated current, an amount of power generation and a daily power generation amount, and the transmission voltage transmitted to the consumer unit 500 and It is provided to include transmission current, and the power storage information 620 is provided to include at least the driving start time, the driving end time, power storage drive source, power generation amount and daily generation amount.
  • the control unit 700 is provided to transmit an operation control signal to the cold/temperature controller when the temperature collected by the environment information 810 is out of a preset temperature threshold,
  • the amount of power consumption, total power generation, and initial environmental temperature and changed environment temperature of the cooling and heating controller after a certain period of time has elapsed after driving the cold/temperature controller is stored in the memory 710, and the total amount of power generation is smaller than the amount of power consumed by the cold/temperature controller.
  • the cooling and heating controller is provided to end driving, and when the temperature collected by the environmental information 810 is above a preset temperature threshold, the cooling and heating controller is controlled within the temperature threshold regardless of the total amount of power generation.
  • the battery unit 400 and the consumer unit 500 further include a converter unit between the existing power transmission and distribution network and the battery unit 400 so that the existing transmission and distribution network can be used.
  • an illuminance sensor, a wind direction sensor, and a wind speed sensor are provided so that a solar power generator, a wind power generator, and an eco-friendly energy user prefer to use the generator rather than external power. It determines the power generation potential using the system and manages to keep the battery power constant to supply economical and high-quality power to consumers.
  • the engine power generation unit 300 provided to produce power can maintain a regional power grid independent from an external power supply source, and the solar power generation unit 100 , the wind power generation unit 200 and the engine power generation unit 300 .
  • the battery unit 400 provided to store the power produced through the storage of power produced and the discharge quality can be maintained at a rated quality to stably supply high-quality electricity
  • the photovoltaic unit 100 the Operation information collection provided to collect the operation information 610 of the wind power generation unit 200 and the engine power generation unit 300 and the power storage information 620 including the axial discharge state and the amount of power storage of the battery unit 400
  • Illuminance, temperature, humidity, wind speed and wind direction information in the vicinity of the unit 600 and the solar power generation unit 100 , the wind power generation unit 200 , the engine power generation unit 300 , and the battery unit 400 are installed.
  • the environmental information collection unit 800 provided to collect the environmental information 810 including at least and transmit it to the control unit 700 can monitor the driving state and derive the optimal driving conditions, and the driving information collection unit
  • the operation control signal 720 is sent to the solar power generation unit 100, the wind power generation unit 200, or the engine power generation unit 300 using the operation information 610 collected by 600.
  • the control unit 700 provided with a memory 710 to store the information 610 and the operation control signal 720 to transmit the information 610 to efficiently operate and manage the power grid, and the control unit 700 to the memory 710
  • the step-by-step power storage target is provided to be preset and stored, and the engine power generation unit ( 300), the operation control signal 720 is generated to reduce energy efficiency and power production cost, and the operation information 610 is the solar power generation unit 100 and the wind power generation unit.
  • the control unit 700 compares the illuminance information collected by the illuminance sensor included in the environmental information collection unit 800 and the wattage information produced by the photovoltaic unit 100 with each other and stores it in the memory 710 and It is provided to display, and compares the wind speed and wind direction information collected by the wind sensor included in the environmental information collection unit 800 and the amount of power information produced by the wind power generation unit 200 with each other and stores it in the memory 710 and Data (database) that can be displayed to produce optimal power is built, and the environmental information collecting unit 800 is configured to manage the temperature and humidity for each battery pack 410 in the environmental information 810,
  • thermometer is further provided so that the power storage performance is calculated in units of the battery pack 410 and all of the battery pack 410, the power storage performance, the recording time and temperature information are stored in the memory 710, and the environment
  • the environmental information collecting unit 800 further includes a separate thermometer for each solar cell so that the temperature and the illuminance for each solar cell are managed in the information 810 , and the photovoltaic generator 100 is stored in the memory 710 .
  • the power storage performance, recording time, and temperature information are all stored for each of the battery packs 410 connected to the .

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Health & Medical Sciences (AREA)
  • Economics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Tourism & Hospitality (AREA)
  • General Business, Economics & Management (AREA)
  • Theoretical Computer Science (AREA)
  • Strategic Management (AREA)
  • Water Supply & Treatment (AREA)
  • Primary Health Care (AREA)
  • Marketing (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Human Resources & Organizations (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

La présente invention se rapporte à un système de réseau électrique régional, et plus particulièrement, à un système de réseau électrique régional comprenant : une unité de production d'énergie photovoltaïque solaire (100) prévue pour produire de l'énergie électrique en utilisant une pluralité de cellules solaires ; une unité de production d'énergie éolienne (200) prévue pour produire de l'énergie électrique à partir de l'énergie motrice transmise depuis des pales entraînées par la pression du vent ; une unité de production d'énergie de moteur (300) prévue pour produite de l'énergie électrique en utilisant un moteur entraîné par une source d'énergie écologique ; une unité de batterie (400) prévue pour stocker l'énergie électrique produite par le biais de l'unité de production d'énergie photovoltaïque solaire (100), de l'unité de production d'énergie éolienne (200) et de l'unité de production d'énergie de moteur (300) ; une unité de consommation (500) connectée à l'unité de batterie (400) par le biais d'un réseau de distribution d'énergie pour utiliser l'énergie électrique stockée dans l'unité de batterie (400) ; une unité de collecte d'informations d'entraînement (600) prévue pour collecter des informations d'entraînement (610) de l'unité de production d'énergie photovoltaïque solaire (100), de l'unité de production d'énergie éolienne (200) et de l'unité de production d'énergie de moteur (300) et des informations de stockage d'énergie (620) comprenant un état de stockage et de décharge d'énergie et une quantité de stockage d'énergie de l'unité de batterie (400) ; une unité de commande (700) qui envoie un signal de commande d'opération (720) à l'unité de production d'énergie photovoltaïque solaire (100), à l'unité de production d'énergie éolienne (200) ou à l'unité de production d'énergie de moteur (300) en utilisant les informations d'entraînement (610) collectées par l'unité de collecte d'informations d'entraînement (600), transmet un signal de commande de transmission d'énergie (730) de telle sorte que l'unité de batterie (400) transmet l'énergie électrique à l'unité de consommation (500), en utilisant les informations de stockage d'énergie (620) collectées par l'unité de collecte d'informations d'entraînement (600), l'unité de commande (700) étant pourvue d'une memory (710) pour stocker l'opération d'entraînement (610) collectée et le signal de commande d'opération (720) transmis ; et une unité de collecte d'informations d'environnement (800) prévue pour collecter des informations d'environnement (810) comprenant au moins des informations d'éclairement, de température, d'humidité, de vitesse du vent et de direction du vent dans alentours où l'unité de production d'énergie photovoltaïque solaire (100), l'unité de production d'énergie éolienne (200), l'unité de production d'énergie de moteur (300) et l'unité de batterie (400) sont installées, et pour transmettre celles-ci à l'unité de commande (700).
PCT/KR2021/005136 2021-04-08 2021-04-23 Système de réseau électrique régional Ceased WO2022215793A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020210046108A KR102616888B1 (ko) 2021-04-08 2021-04-08 지역 단위 전력망 시스템
KR10-2021-0046108 2021-04-08

Publications (1)

Publication Number Publication Date
WO2022215793A1 true WO2022215793A1 (fr) 2022-10-13

Family

ID=83545372

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2021/005136 Ceased WO2022215793A1 (fr) 2021-04-08 2021-04-23 Système de réseau électrique régional

Country Status (2)

Country Link
KR (1) KR102616888B1 (fr)
WO (1) WO2022215793A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102757880B1 (ko) * 2023-06-20 2025-01-21 이상선 복합 ess 운영 시스템
KR102790071B1 (ko) * 2024-08-23 2025-04-04 (주)파랑이엔지 태양광 발전 운영 제어 시스템

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130067678A (ko) * 2011-12-14 2013-06-25 (주) 대경엔지니어링 마이크로그리드 시뮬레이션 장치 및 전력 관리 시스템
US20160190822A1 (en) * 2014-12-30 2016-06-30 Lg Cns Co., Ltd. Microgrid energy management system and power storage method for energy storage system
KR101871237B1 (ko) * 2018-02-26 2018-06-27 주식회사 케이디티 태양광 연계형 ess의 충방전 밸런싱 제어장치
KR102107483B1 (ko) * 2019-07-19 2020-05-07 주식회사 에니텍시스 IoT 하이브리드 마이크로 그리드 시스템
KR20210028297A (ko) * 2019-09-03 2021-03-12 심영택 마이크로그리드의 에너지 저장 장치의 제어 방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101113508B1 (ko) 2010-05-06 2012-02-29 성균관대학교산학협력단 태양광 ｐｃｓ 일체형 양방향 배터리 충방전 시스템 및 방법
KR102064586B1 (ko) 2019-03-25 2020-01-09 에이피이엘(주) 에너지 저장 시스템의 충전 관리 방법
KR102268723B1 (ko) 2019-05-09 2021-06-24 두산중공업 주식회사 충전율 제어가 가능한 에너지 저장 시스템 및 이의 제어 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130067678A (ko) * 2011-12-14 2013-06-25 (주) 대경엔지니어링 마이크로그리드 시뮬레이션 장치 및 전력 관리 시스템
US20160190822A1 (en) * 2014-12-30 2016-06-30 Lg Cns Co., Ltd. Microgrid energy management system and power storage method for energy storage system
KR101871237B1 (ko) * 2018-02-26 2018-06-27 주식회사 케이디티 태양광 연계형 ess의 충방전 밸런싱 제어장치
KR102107483B1 (ko) * 2019-07-19 2020-05-07 주식회사 에니텍시스 IoT 하이브리드 마이크로 그리드 시스템
KR20210028297A (ko) * 2019-09-03 2021-03-12 심영택 마이크로그리드의 에너지 저장 장치의 제어 방법

Also Published As

Publication number Publication date
KR102616888B1 (ko) 2023-12-21
KR20220139743A (ko) 2022-10-17

Similar Documents

Publication Publication Date Title
US9849803B2 (en) Energy system
US10439429B2 (en) Modular microgrid unit and method of use
CN202772612U (zh) 控制装置、蓄电系统、电子装置、电动车辆和电力系统
WO2017142241A1 (fr) Procédé de gestion d'énergie pour un système ess connecté à une énergie nouvelle et renouvelable
US20110080044A1 (en) Standalone unit of a standalone power grid for communicating energy requests with another standalone unit
CN101473507B (zh) 功率补偿器及通过该补偿器提供黑启动的方法
JP2016123267A (ja) 制御装置、蓄電池及び制御方法
WO2022215793A1 (fr) Système de réseau électrique régional
KR20140137545A (ko) 에너지 저장 모듈을 구비한 지능형 배전반 시스템
JP2612639B2 (ja) 太陽電池システム
JP2016140206A (ja) 電力供給機器、電力供給システム、および電力供給方法
WO2020195524A1 (fr) Dispositif de commande de stockage d'énergie et procédé de commande de stockage d'énergie
JP2012151977A (ja) 負荷平準化システム
CN220298335U (zh) 储能充电桩系统
CN113595225A (zh) 一种智能供电系统和方法
CN117097020A (zh) 配电网关、配电网关系统及配电网关的控制方法
CN118263950A (zh) 一种低功耗储能电池包系统和功耗降低方法
CN117977774A (zh) 5g基站光储一体机供电系统及供电方法
KR20200079606A (ko) 부하 분산을 위한 dc ups 제어 시스템
CN201789571U (zh) 对电网实现零功耗待机的电视机
WO2010134855A1 (fr) Zones à deux climats
CN116231833B (zh) 一种多能耦合无扰动不间断交直流供电系统
JP7716967B2 (ja) キュービクル監視システム
CN220401450U (zh) 一种bms采用串联通信拓扑结构的储能装置
CN223168071U (zh) 供电系统

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21936138

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21936138

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 21936138

Country of ref document: EP

Kind code of ref document: A1

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 22/04/2024)

122 Ep: pct application non-entry in european phase

Ref document number: 21936138

Country of ref document: EP

Kind code of ref document: A1