WO2023210968A1 - 전력 시스템 - Google Patents
전력 시스템 Download PDFInfo
- Publication number
- WO2023210968A1 WO2023210968A1 PCT/KR2023/003568 KR2023003568W WO2023210968A1 WO 2023210968 A1 WO2023210968 A1 WO 2023210968A1 KR 2023003568 W KR2023003568 W KR 2023003568W WO 2023210968 A1 WO2023210968 A1 WO 2023210968A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- power
- unit
- supply
- value
- charging
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
- B60L53/54—Fuel cells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
- B60L53/51—Photovoltaic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
- B60L53/53—Batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/63—Monitoring or controlling charging stations in response to network capacity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/66—Data transfer between charging stations and vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/66—Data transfer between charging stations and vehicles
- B60L53/665—Methods related to measuring, billing or payment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/40—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for controlling a combination of batteries and fuel cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M16/00—Structural combinations of different types of electrochemical generators
- H01M16/003—Structural combinations of different types of electrochemical generators of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers
- H01M16/006—Structural combinations of different types of electrochemical generators of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers of fuel cells with rechargeable batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/003—Load forecast, e.g. methods or systems for forecasting future load demand
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/12—Arrangements for adjusting voltage in AC networks by changing a characteristic of the network load
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/28—Arrangements for balancing of the load in networks by storage of energy
- H02J3/32—Arrangements for balancing of the load in networks by storage of energy using batteries or super capacitors with converting means
- H02J3/322—Arrangements for balancing of the load in networks by storage of energy using batteries or super capacitors with converting means the battery being on-board an electric or hybrid vehicle, e.g. vehicle to grid arrangements [V2G], power aggregation, use of the battery for network load balancing, coordinated or cooperative battery charging
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/38—Arrangements for feeding a single network from two or more generators or sources in parallel; Arrangements for feeding already energised networks from additional generators or sources in parallel
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/38—Arrangements for feeding a single network from two or more generators or sources in parallel; Arrangements for feeding already energised networks from additional generators or sources in parallel
- H02J3/381—Dispersed generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2260/00—Operating Modes
- B60L2260/40—Control modes
- B60L2260/50—Control modes by future state prediction
- B60L2260/54—Energy consumption estimation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
- B60S5/02—Supplying fuel to vehicles; General disposition of plant in filling stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/91—Electric vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/40—Combination of fuel cells with other energy production systems
- H01M2250/402—Combination of fuel cell with other electric generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2101/00—Supply or distribution of decentralised, dispersed or local electric power generation
- H02J2101/20—Dispersed power generation using renewable energy sources
- H02J2101/30—Fuel cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2105/00—Networks for supplying or distributing electric power characterised by their spatial reach or by the load
- H02J2105/10—Local stationary networks having a local or delimited stationary reach
- H02J2105/12—Local stationary networks having a local or delimited stationary reach supplying households or buildings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2105/00—Networks for supplying or distributing electric power characterised by their spatial reach or by the load
- H02J2105/30—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles
- H02J2105/33—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles exchanging power with road vehicles
- H02J2105/37—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles exchanging power with road vehicles exchanging power with electric vehicles [EV] or with hybrid electric vehicles [HEV]
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Definitions
- the present invention relates to a power system for a building equipped with electric vehicle charging facilities.
- the technology behind the present invention relates to a power system for charging electric vehicles, and specifically to a system for charging electric vehicles in buildings containing various energy sources.
- the electric vehicle charging load is increasing very quickly, but it is not connected to higher power facilities and therefore operates only as a load.
- problems such as power outages and fire accidents due to overload may occur, or the peak rate increases significantly, causing an increase in electricity bills.
- Figure 1 shows the configuration of a conventional power system that supports electric vehicle charging and hydrogen vehicle charging by mutually exchanging electricity between ESS and fuel cells for electric charging and hydrogen charging.
- the method of producing and storing hydrogen by receiving power from the ESS of this conventional system has uneconomical limitations.
- charging stations are required to be installed in large residential areas such as apartment complexes and parking buildings, so it is necessary to link them with building energy systems, but no technology has been proposed to enable efficient linkage with building energy systems.
- system configuration becomes more complex due to the inclusion of various energy sources, there are limitations that reduce the stability of system operation.
- various fluctuations occur due to the increase in various energy sources and various loads, and appropriate technology to respond to these fluctuations has not been proposed, leading to difficulties in system operation.
- the present invention aims to solve the problems described above.
- the goal of the present invention is to ensure stable charging of electric vehicles within a specific area containing various energy sources, including buildings.
- the present specification is intended to provide an embodiment of a power system that can stably supply power to loads and charge electric vehicles within a specific area containing various energy sources.
- the power system of the present specification for solving the problems described above includes a power unit that supplies power to a load within a specific area, an electric vehicle charging unit that receives power from the power unit and charges the electric vehicle to be charged, and the load.
- a control unit that monitors consumption and charging of the electric vehicle to control operation of the power unit and the electric vehicle charging unit, wherein the power unit includes a first supply unit that receives commercial power from a system to which the specific area is connected and the specific area. and one or more second supply units installed in and supplying their own power, wherein the control unit predicts power consumption of the load and predicted power of the electric vehicle based on the power consumption history of the load and the power charging history of the electric vehicle.
- the charging level is determined, and operation of the one or more second supply units is controlled according to the predicted power consumption and the predicted power charging level to control power supply to the load and power charging of the electric vehicle.
- the one or more second supply units may include one or more of a fuel cell unit, a battery unit, and a new and renewable energy unit.
- control unit distributes the supply value to the load and the charging value of the electric vehicle at a certain ratio when the sum of the predicted power consumption value and the predicted power charge value exceeds a certain standard value. Accordingly, the power supply and power charging can be controlled.
- the control unit determines at least one of the degree to which the sum exceeds the certain reference value and the ratio of the predicted power consumption value and the predicted power charging value.
- the supply value and the charge value can be distributed accordingly.
- the control unit determines the status level based on the real-time power consumption of the load and the real-time power charging value of the electric vehicle, and determines the status grade
- the supply value and the charge value can be distributed according to the corresponding standard ratio.
- the second supply unit may be plural, each including at least two of the fuel cell unit, the battery unit, and the new and renewable energy unit.
- control unit may control the operation of one or more of the plurality of second supply units.
- control unit may control power to be supplied between the plurality of second supply units.
- the control unit determines the virtual inertia according to the operation of the target supply unit based on the results of information on the status of the system, the electric vehicle charging unit, and the power unit. By calculating and reflecting the virtual inertia, the operating target supply unit can be operated for the power supply and the power charging.
- control unit may calculate the virtual inertia based on information about one or more of voltage, current, power, frequency, power factor, and load of each of the system and the power unit.
- control unit may calculate the virtual inertia as a value in which the power supplied by the operating target supply unit is synchronized with the power supplied by the first supply unit.
- control unit may determine the operating target supply unit according to the real-time power consumption value of the load and the real-time power charging value of the electric vehicle, and operate the operating target supply unit for the power supply and the power charging. there is.
- control unit may monitor changes in the virtual inertia and control the operation of the power supply and power charging in response to the changes in the virtual inertia.
- control unit may generate notification information corresponding to the reference range of the virtual inertia and control the notification information to be displayed externally.
- the one or more second supply units may include at least a fuel cell unit, and may further include a hydrogen vehicle charging unit that receives hydrogen from the fuel cell unit and charges the hydrogen vehicle to be charged with hydrogen.
- control unit determines the predicted power consumption, the predicted power charge, and the predicted hydrogen charge of the hydrogen car based on the power consumption history, the power charge history, and the hydrogen charge history of the hydrogen car. And, according to the predicted power consumption, the predicted power charge, and the predicted hydrogen charge, the operation of the one or more second supply units is controlled to supply power to the load, charge power of the electric vehicle, and supply hydrogen to the hydrogen vehicle. Charging can be controlled.
- the operation of the power supply source is controlled according to the predicted consumption value of the load and the predicted charging value of the electric vehicle, thereby enabling appropriate power supply and power charging according to the load status within the building.
- FIG. 1 is a configuration diagram showing an example of a power system in which conventional electric and hydrogen vehicle charging is performed.
- FIG. 2 is a configuration diagram of a power system according to an embodiment.
- Figure 3 is a configuration diagram of a plurality of second supply units according to a specific embodiment.
- FIG. 4 is a configuration diagram of a control unit according to a specific embodiment.
- FIG. 5 is a control flowchart of a power system according to a specific embodiment.
- Figure 6 is an example diagram to which the embodiment is applied.
- the power system 1000 includes a power unit 100, an electric vehicle charging unit 200, and a control unit 300.
- the power system 1000 which includes the power unit 100, the electric vehicle charging unit 200, and the control unit 300, refers to a power system in which power is consumed by receiving power from a plurality of power sources.
- the power system may be a power system applied to a building area including one or more buildings or a specific area outdoors.
- it may be the power system of a building that includes one or more of an indoor parking area and an outdoor parking area.
- the building may be a building equipped with charging facilities for electric vehicles (EV), and the charging facilities may correspond to the electric vehicle charging unit 200.
- EV electric vehicles
- the power unit 100 supplies power to the load L within the specific area.
- the load (L) may be a facility installed in the specific area and consuming power.
- the load (L) may be plural, and may include all equipment that consumes power, including lighting equipment, electric equipment, communication equipment, and air conditioning equipment installed in the specific area.
- the power unit 100 includes a first supply unit 110 that receives commercial power from a system (G) to which the specific area is connected, and a second supply unit 120 that is installed in the specific area and supplies its own power. do.
- the system (G) may mean a power grid through which a power supply business supplies generated power.
- the system (G) may be an infinite wireless system including one or more power generation, transmission, substation, distribution, power reception, and load.
- the system G may be connected to the specific area and one or more power supply targets other than the specific area, and may supply commercial power to the connected power supply targets.
- a plurality of power facilities, power systems, and loads, including the specific area are connected to supply various types of power, so that the commercial power supplied to the power supply target may vary.
- the commercial power may be power in which one or more of voltage, current, power factor, and frequency correspond to specific supply standards.
- it may be power at a frequency of 60 ⁇ x[HZ].
- the first supply unit 110 may receive the commercial power from the system G and supply power to the load L.
- the first supply unit 110 may be a device that receives the commercial power and supplies power to the load (L).
- the first supply unit 110 may convert the commercial power into a form that can be supplied to the load (L) and supply the converted power to the load (L).
- the first supply unit 110 may include one or more power conversion devices and a power supply device to supply power to the load L.
- the first supply unit 110 may also supply power to the electric vehicle charging unit 200.
- the electric vehicle charging unit 200 may charge the electric vehicle (EV) to be charged.
- the second supply unit 120 may be installed in the specific area and supply its own generated power to the load L.
- the second supply unit 120 may be its own power supply source installed in the specific area.
- the second supply unit 120 may be comprised of one or more.
- the second supply unit 120 may preferably be comprised of multiple units.
- the second supply unit 120 supplies one or more of the fuel cell unit 120#1, the battery unit 120#2, and the renewable energy unit 120#3. It can be included.
- the fuel cell unit 120#1 may be a hydrogen fuel cell that supplies power produced using the reverse reaction of electrolysis.
- the battery unit 120#2 may be a battery that stores power and supplies the stored power.
- the new and renewable energy unit 120#3 may be a photovoltaic or solar power generation facility that supplies power generated using solar energy.
- each of the plurality of second supply units 120 converts its own power into a form that can be supplied to the load (L), and converts the converted power into a form that can be supplied to the load (L). ) can be supplied to.
- the one or more second supply units 120 may include one or more power conversion devices and power supply devices to supply power to the load L.
- the one or more second supply units 120 may also supply power to the electric vehicle charging unit 200.
- the electric vehicle charging unit 200 may charge the electric vehicle (EV) to be charged.
- the power unit 100 including the first supply unit 110 and the one or more second supply units 120 is controlled by the control unit 300 to control the load L and the electric vehicle charging unit 200. Power can be supplied to .
- the power unit 100 may also supply driving power to the control unit 300, and provide the control unit 300 with information about the status and operation of the power unit 100, or It can also convey information about power supply.
- the electric vehicle charging unit 200 receives power from the power unit 100 and charges the electric vehicle (EV) to be charged.
- EV electric vehicle
- the electric vehicle charging unit 200 may receive power from one or more of the first supply unit 110 and the plurality of second supply units 120 and charge the electric vehicle (EV) to be charged with the received power. .
- the electric vehicle charging unit 200 may be controlled by the control unit 300 to supply power to the electric vehicle charging unit 200.
- the control unit 300 controls the operation of the power unit 100 and the electric vehicle charging unit 200 by monitoring consumption of the load L and charging of the electric vehicle (EV).
- the control unit 300 may also control the operation of the power unit 100 and the electric vehicle charging unit 200 by monitoring the status of the system G and the status of the power unit 100.
- the control unit 300 may mean the central control device of the specific area.
- it may be a control device for the building or an integrated control device.
- control unit 300 may refer to a control system including one or more control devices that perform power control.
- control unit 300 may include one or more of a power control unit 310 and a charging control unit 320.
- the power control unit 310 may refer to a control device that monitors and controls the power unit 100.
- the power control unit 310 may control power supply to the power unit 100 by applying a control signal to the power unit 100 .
- the power control unit 310 applies a control signal to each of the first supply unit 110 and the one or more second supply units 120, so that the first supply unit 110 and the one or more second supply units 120 Each can be controlled.
- the charging control unit 320 may refer to a control device that monitors and controls the electric vehicle charging unit 200.
- the charging control unit 320 may control power charging of the electric vehicle charging unit 200 by applying a control signal to the electric vehicle charging unit 200.
- the control unit 300 may further include one or more components for controlling the control unit 300 in addition to the power control unit 310 and the charging control unit 320.
- it may further include a communication unit that performs communication with one or more communication targets, a central operation unit that transmits control commands to each of the power control unit 310 and the charging control unit 320, etc.
- the control unit 300 may control the operation of each of the first supply unit 110 and the one or more second supply units 120 to control power supply to the load L and the electric vehicle charging unit 200. there is.
- the amount of power supplied to the load L can be controlled from any one of the first supply unit 110 and the one or more second supply units 120.
- the control unit 300 receives information about the status and operation from each of the first supply unit 110 and the one or more second supply units 120, and based on this, the first supply unit 110 and the one or more second supply units 120 The operation of each second supply unit 120 can be controlled.
- first supply unit 110 and the one or more second supply units 120 may control the operation of each of the first supply unit 110 and the one or more second supply units 120 to supply power to the load L and the electric vehicle charging unit 200.
- control unit 300 may control power to be supplied between the plurality of second supply units 1200.
- the fuel cell unit (120#1) supplies power to the battery unit (120#2) to store power in the battery unit (120#2)
- the renewable energy unit (120#3) may be controlled to supply power to the battery unit 120#2 so that power is stored in the battery unit 120#2.
- the control unit 300 may control the operation of the electric vehicle charging unit 200 to control power charging to the electric vehicle (EV).
- the charging ON/OFF, charging point, charging capacity, charging time, charging cycle, etc. of the electric vehicle charging unit 200 can be controlled.
- the control unit 300 may receive information on status and operation from the electric vehicle charging unit 200 and control the operation of the electric vehicle charging unit 200 based on this information.
- information on the number and charging capacity of electric vehicles (EVs) to be charged may be received, and the operation of the electric vehicle charging unit 200 may be controlled to charge the electric vehicles (EVs) to be charged based on this information.
- EVs electric vehicles
- the control unit 300 also receives operation information from the load (L) and controls the operation of the load (L) based on this, or operates one or more of the power unit 100 and the electric vehicle charging unit 200. Operation can also be controlled.
- the control unit 300 also communicates with an external server (ES) outside the building to control the operation of the load (L) based on information received from the external server (ES), or the power unit 100 ) and the operation of one or more of the electric vehicle charging unit 200 may be controlled.
- ES external server
- the external server (ES) is a server of another system linked to the system (G), a control server that communicates with the load (L) to control the load (L), and a control server that controls the building. There may be more than one.
- the power system 1000 includes a hydrogen vehicle charging unit 400 that receives hydrogen from the fuel cell unit 120#1 and charges the hydrogen vehicle (HV) to be charged with hydrogen. may further include.
- the hydrogen vehicle charging unit 400 can receive hydrogen from the fuel cell unit 120#1 under the control of the control unit 300 and charge the hydrogen vehicle HV to be charged with hydrogen.
- the hydrogen vehicle charging unit 400 may also receive hydrogen from a gas source through a gas pipe in the specific area and charge the hydrogen vehicle (HV) to be charged with hydrogen.
- HV hydrogen vehicle
- control unit 300 controls hydrogen to be supplied from the gas source to the fuel cell unit 120#1, ) may be controlled to be filled with hydrogen.
- the control unit 300 determines the predicted power consumption of the load L based on the power consumption history of the load L and the power charging history of the electric vehicle (EV). Determine the predicted power charge level of the electric vehicle (EV), and control the operation of the one or more second supply units 120 according to the predicted power consumption value and the predicted power charge level to supply power to the load (L) and the electric vehicle Controls the power charging of (EV).
- one or more of the one or more second supply units 120 are additionally operated according to the predicted power consumption value and the predicted power charge value, or the one or more second supply units 120 are operated additionally.
- the power supply and power charging can be controlled to be smoothly performed.
- the predicted power consumption value may mean an expected consumption value according to the power consumption pattern of the load (L)
- the predicted power charge value may mean an expected charge value according to the power charging pattern of the electric vehicle (EV).
- the control unit 300 may determine the power consumption pattern of the load L based on the power consumption history and determine the predicted power consumption value based on the power consumption pattern.
- the control unit 300 may determine the power charging pattern of the electric vehicle (EV) based on the power charging history and determine the predicted power charging value based on the power charging pattern.
- EV electric vehicle
- the control unit 300 may determine the predicted power consumption value and the predicted power charge value based on the power consumption history and the power charging history included in the pre-stored operation history.
- control unit 300 receives the power consumption history from the load (L) or the external server (ES), and receives the power charging history from the electric vehicle (EV) or the electric vehicle charging unit 200, The predicted power consumption value and the predicted power charge value may be determined.
- the control unit 300 is based on the power consumption history, the power charging history, and the hydrogen charging history of the hydrogen vehicle (HV). Determine the predicted power consumption value, the predicted power charge value, and the predicted hydrogen charge value of the hydrogen vehicle (HV), and determine the predicted power consumption value, the predicted power charge value, and the predicted hydrogen charge value.
- control unit 300 distributes the supply to the load L and the charge of the electric vehicle (EV) at a certain ratio, The power supply and power charging can be controlled according to the distribution ratio.
- the constant reference value may be a reference capacity value preset in the control unit 300.
- the certain standard value may be set to the rated capacity of the building.
- control unit 300 determines that the load (L) and the demand for the electric vehicle (EV) exceed the rated capacity value, and the supply value and the charging
- the power supply and power charging can be controlled by distributing the power at a certain ratio.
- the power unit 100 when the constant ratio is 3:1, 75 [%] of the total power supplied by the power unit 100 is distributed as the supply value, and the remaining 25 [%] is distributed as the charging value, and the power unit ( 75 [%] of the total power supplied by 100) may be supplied to the load (L), and the remaining 25 [%] may be charged to the electric vehicle (EV).
- control unit 300 controls the charging value according to one or more of the degree to which the sum exceeds the certain reference value and the ratio of the predicted power consumption value and the predicted power charging value.
- the supply and the charge can be distributed.
- the sum exceeds the predetermined standard value by 10, it may be distributed 2:1, and if it exceeds the predetermined standard value by 20, it may be distributed 3:1, or may be distributed according to the ratio of the predicted power consumption value and the predicted power charge value.
- the control unit 300 determines the status level based on the real-time power consumption value of the load (L) and the real-time power charging value of the electric vehicle (EV), The supply value and the charge value can be distributed according to a standard ratio corresponding to the status level.
- the status is judged to be divided into spare/normal/critical/emergency levels, and the supply and charge are distributed according to the standard ratio corresponding to the judged level. It can be.
- control unit 300 may control the operation of the one or more second supply units 120 according to criteria corresponding to the status level.
- the one or more second supply units 120 when the operation control of the entire one or more second supply units 120 is set, if the sum of the real-time power consumption value and the real-time power charge value corresponds to the emergency level, the one or more second supply units ( 120) The entire system can be controlled to supply power.
- control unit 300 When controlling the operation of the one or more second supply units 120, the control unit 300 provides information about the status of the system (G), the electric vehicle charging unit 200, and the power unit 100. Based on this, the virtual inertia according to the operation of the operating target supply unit may be calculated, and the operating target supply unit may be operated for the power supply and power charging by reflecting the virtual inertia.
- the virtual inertia may mean a parameter or a control command value for suppressing fluctuations in existing power supply due to coupling between power sources.
- the virtual inertia may mean a compensation parameter that compensates for fluctuations in supply power when coupling between power sources.
- the control unit 300 controls one or more of the one or more second supply sources 120 that are different from the first supply source 110.
- the operation of the one or more second supply units 120 may be controlled by reflecting the virtual inertia so that fluctuations in power supplied from the first supply source 110 due to operation are suppressed.
- the new and renewable energy unit (120#3) among the one or more second supply units (120) is additionally operated, fluctuations in supplied power due to the additional operation of the new and renewable energy unit (120#3) are suppressed. As much as possible, additional operation of the renewable energy (120#3) can be controlled based on the virtual inertia.
- the control unit 300 may calculate the virtual inertia based on information about one or more of voltage, current, power, frequency, power factor, and load of each of the system G and the power unit 100.
- the control unit 300 may calculate the virtual inertia as a value in which the power supplied by the operating target supply unit is synchronized with the power supplied by the first supply unit 110.
- the virtual inertia may be calculated so that the frequency of the power supplied by the operating target supply unit is synchronized with the frequency of the commercial power supplied by the first supply unit 110.
- control unit 300 which calculates the virtual inertia and reflects it in the operation of one or more of the plurality of second supply units 120, calculates the real-time power consumption of the load L and real-time power charging of the electric vehicle (EV). By determining the operation target supply unit according to the value, the operation target supply unit can be operated for the power supply and power charging.
- one or more of the one or more second supply units 120 is determined as the operation target supply unit according to the real-time power consumption value and the real-time power charge value, and the operation target supply unit is operated for the power supply and the power charging. It can be done.
- the supply unit with the least operating burden among the one or more second supply units 120 is determined as the operation target supply unit, or the real-time power consumption value is determined as the supply unit to be operated.
- the supply unit with the largest output power may be determined as the operation target supply unit.
- control unit 300 determines the operation target supply unit
- the control unit 300 calculates the virtual inertia according to the operation target supply unit and controls the power supply and power charging by reflecting the virtual inertia in the operation of the operation target supply unit. can do.
- control unit 300 may monitor changes in the virtual inertia and control the operation of the power supply and power charging in response to the changes in the virtual inertia.
- the supply value and charging value of the operating target supply unit may be reduced, and when the virtual inertia decreases, the supply value and charging value of the operating target supply unit may be increased.
- the control unit 300 may adjust the reflection of the virtual inertia when the virtual inertia falls within a certain reference range.
- the reference range may be a range including a limit value of the virtual inertia, or a range including an allowable value.
- control unit 300 may reduce the reflected value of the virtual inertia and reflect it in the operation of the operating target supply unit.
- control unit 300 determines that the virtual inertia has reached the limit or allowable value, and sets the reflected value of the virtual inertia to be reflected in the operation of the operating target supply unit. It can be reflected by reducing it.
- control unit 300 may generate notification information about whether the virtual inertia corresponds to the reference range.
- control unit 300 may determine that the virtual inertia has reached a limit or allowable value and generate the notification information.
- the control unit 300 can control the notification information to be displayed externally.
- the notification information may be controlled to be displayed on a screen through a display means or output as a voice through an audio output means.
- control unit 300 performs control in the power system 1000 as described above may be performed in the order shown in FIG. 5.
- control unit 300 determines the predicted power consumption value and the predicted power charging value based on the power consumption history and the power charging history (S1), and determines the predicted power consumption value and the predicted power charge value.
- the sum of the predicted power charge values can be compared with the certain reference value (S2).
- control unit 300 determines the distribution ratio of the supply value and the charge value (S3), and the sum If the value does not exceed the above certain standard value, the existing control can be maintained.
- the control unit 300 After determining the distribution ratio of the supply value and the charge value (S3), the control unit 300 determines the first supply value to be supplied from the first supply unit 110 and the first supply value to be supplied from the plurality of second supply units 120. 2 Each supply value can be judged (S4).
- the control unit 300 After determining the first supply value and the second supply value (S4), the control unit 300 determines a supply unit to be operated among the plurality of second supply units 120 according to the second supply value, and The virtual inertia can be calculated (S5) according to the operating target supply unit.
- control unit 300 may operate the operation target supply unit (S6) by reflecting the virtual inertia.
- the first supply unit 110 supplies the first supply value, and the plurality of supplies including the target supply unit are operated.
- One or more of the two supply units 120 may supply the second supply value, so that the power supply and the power charging may be performed.
- the embodiment of the power system 1000 described above may be applied to the system shown in FIG. 6 or may be implemented as the system shown in FIG. 6.
- the power system 1000 includes electric vehicle/hydrogen vehicle charging facilities while general loads coexist, receives power from the system, and includes a plurality of heterogeneous power supply sources to receive power from the power supply source. It can be applied to buildings where electrical power is supplied, or implemented in the power system of such buildings. It can be applied to buildings containing electric vehicle/hydrogen vehicle charging facilities where general loads coexist, or can be implemented as the power system of such buildings.
- the integrated control unit monitors the grid busbars and the power equipment of the charging building containing general loads. Analyze and predict the general load pattern of the charging building and predict the existing charging pattern. If the predicted sum is less than the set power facility, everything operates normally. In the case where the predicted sum exceeds the previously set power facility allowable capacity, it operates in power distribution mode. In power distribution mode, the real-time power sum value and capacity value are divided into emergency situation/warning situation/normal situation/leisure situation. In the case of a warning situation, when the standard approximate value is in an emergency situation, the slow charger turns on/off the power in real time through Stop&Go to charge. Under normal circumstances, load and electric vehicle charging can be used without any problems.
- AC-UPS-based virtual inertia that can respond to instantaneous fluctuations to maintain frequency synchronization is used. By reflecting it, electric vehicle charging and power supply to general loads can be performed.
- Control unit 1000 Power system
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
Description
Claims (15)
- 특정 영역 내의 부하에 전력을 공급하는 전력부;상기 전력부로부터 전력을 전달받아 충전 대상 전기차에 전력을 충전시키는 전기차 충전부; 및상기 부하의 소비 및 상기 전기차의 충전을 감시하여 상기 전력부 및 상기 전기차 충전부의 운용을 제어하는 제어부를 포함하고,상기 전력부는,상기 특정 영역이 연계된 계통으로부터 상용 전력을 공급받는 제1 공급부; 및상기 특정 영역에 설치되어 자체 전력을 공급하는 하나 이상의 제2 공급부를 포함하고,상기 제어부는,상기 부하의 전력 소비 이력 및 상기 전기차의 전력 충전 이력을 근거로 상기 부하의 예측 전력 소비치 및 상기 전기차의 예측 전력 충전치를 판단하고, 상기 예측 전력 소비치 및 상기 예측 전력 충전치에 따라 상기 하나 이상의 제2 공급부의 운용을 제어하여 상기 부하로의 전력 공급 및 상기 전기차의 전력 충전을 제어하는 것을 특징으로 하는 전력 시스템.
- 제1 항에 있어서,상기 하나 이상의 제2 공급부는,연료전지부;배터리부; 및신재생에너지부중 하나 이상을 포함하는 것을 특징으로 하는 전력 시스템.
- 제2 항에 있어서,상기 제어부는,상기 예측 전력 소비치 및 상기 예측 전력 충전치의 합산치가 일정 기준치를 초과하는 경우,상기 부하로의 공급치 및 상기 전기차의 충전치를 일정 비율로 분배하여, 분배한 비율에 따라 상기 전력 공급 및 상기 전력 충전을 제어하는 것을 특징으로 하는 전력 시스템.
- 제3 항에 있어서,상기 제어부는,상기 공급치 및 상기 충전치를 일정 비율로 분배하는 경우,상기 합산치가 상기 일정 기준치를 초과하는 정도 및 상기 예측 전력 소비치와 상기 예측 전력 충전치의 비율 중 하나 이상에 따라 상기 공급치 및 상기 충전치를 분배하는 것을 특징으로 하는 전력 시스템.
- 제3 항에 있어서,상기 제어부는,상기 공급치 및 상기 충전치를 일정 비율로 분배하는 경우,상기 부하의 실시간 전력 소비치 및 상기 전기차의 실시간 전력 충전치를 근거로 현황 등급을 판단하여, 상기 현황 등급에 해당하는 기준 비율에 따라 상기 공급치 및 상기 충전치를 분배하는 것을 특징으로 하는 전력 시스템.
- 제2 항에 있어서,상기 하나 이상의 제2 공급부는,상기 연료전지부;상기 배터리부; 및상기 신재생에너지부중 둘 이상을 각각 하나 이상씩 포함하여 복수로 이루어지고,상기 제어부는,복수의 제2 공급부 중 하나 이상의 운용을 제어하는 것을 특징으로 하는 전력 시스템.
- 제6 항에 있어서,상기 제어부는,상기 복수의 제2 공급부 간에 전력이 수공급되도록 제어하는 것을 특징으로 하는 전력 시스템.
- 제1 항에 있어서,상기 제어부는,상기 하나 이상의 제2 공급부의 운용을 제어하는 경우,상기 계통, 상기 전기차 충전부 및 상기 전력부의 상태에 관한 정보를 결과를 근거로 운용 대상 공급부의 운용에 따른 가상 관성을 산출하고, 상기 가상 관성을 반영하여 상기 운용 대상 공급부를 상기 전력 공급 및 상기 전력 충전에 운용하는 것을 특징으로 하는 전력 시스템.
- 제8 항에 있어서,상기 제어부는,상기 계통 및 상기 전력부 각각의 전압, 전류, 전력, 주파수, 역률 및 부하 중 하나 이상에 대한 정보를 근거로 상기 가상 관성을 산출하는 것을 특징으로 하는 전력 시스템.
- 제9 항에 있어서,상기 제어부는,상기 운용 대상 공급부에서 공급하는 전력이 상기 제1 공급부에서 공급하는 전력과 동기화되는 값으로 상기 가상 관성을 산출하는 것을 특징으로 하는 전력 시스템.
- 제10 항에 있어서,상기 제어부는,상기 부하의 실시간 전력 소비치 및 상기 전기차의 실시간 전력 충전치에 따라 상기 운용 대상 공급부를 결정하여, 상기 운용 대상 공급부를 상기 전력 공급 및 상기 전력 충전에 운용하는 것을 특징으로 하는 전력 시스템.
- 제8 항에 있어서,상기 제어부는,상기 가상 관성의 변화를 모니터링하여, 상기 가상 관성의 변화에 대응하여 상기 전력 공급 및 상기 전력 충전의 운용을 제어하는 것을 특징으로 하는 전력 시스템.
- 제12 항에 있어서,상기 제어부는,상기 가상 관성이 일정 기준 범위에 해당하는 경우,상기 가상 관성의 상기 기준 범위 해당에 대한 알림 정보를 생성하여, 상기 알림 정보가 외부에 표시되도록 제어하는 것을 특징으로 하는 전력 시스템.
- 제1 항에 있어서,상기 하나 이상의 제2 공급부에 적어도 연료전지부가 포함되고,상기 연료전지부로부터 수소를 공급받아 충전 대상 수소차에 수소를 충전시키는 수소차 충전부를 더 포함하는 것을 특징으로 하는 전력 시스템.
- 제14 항에 있어서,상기 제어부는,상기 전력 소비 이력, 상기 전력 충전 이력 및 상기 수소차의 수소 충전 이력을 근거로 상기 예측 전력 소비치, 상기 예측 전력 충전치 및 상기 수소차의 예측 수소 충전치를 판단하고, 상기 예측 전력 소비치, 상기 예측 전력 충전치 및 상기 예측 수소 충전치에 따라 상기 하나 이상의 제2 공급부의 운용을 제어하여 상기 부하로의 전력 공급, 상기 전기차의 전력 충전 및 상기 수소차의 수소 충전을 제어하는 것을 특징으로 하는 전력 시스템.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18/842,444 US20250174992A1 (en) | 2022-04-27 | 2023-03-17 | Power system |
| CN202380036837.9A CN119156304A (zh) | 2022-04-27 | 2023-03-17 | 电力系统 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2022-0052306 | 2022-04-27 | ||
| KR1020220052306A KR102908339B1 (ko) | 2022-04-27 | 2022-04-27 | 전력 시스템 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2023210968A1 true WO2023210968A1 (ko) | 2023-11-02 |
Family
ID=88519223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2023/003568 Ceased WO2023210968A1 (ko) | 2022-04-27 | 2023-03-17 | 전력 시스템 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20250174992A1 (ko) |
| KR (1) | KR102908339B1 (ko) |
| CN (1) | CN119156304A (ko) |
| WO (1) | WO2023210968A1 (ko) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009221045A (ja) * | 2008-03-14 | 2009-10-01 | Honda Motor Co Ltd | 発電及び水素製造システム |
| WO2020069041A1 (en) * | 2018-09-27 | 2020-04-02 | Landis+Gyr Innovations, Inc. | Providing on-demand power charging for electric vehicles |
| KR20200069122A (ko) * | 2018-12-06 | 2020-06-16 | 주식회사 엘지화학 | 에너지저장시스템(ess)의 전력 운영 시스템 및 방법 |
| KR102197767B1 (ko) * | 2019-11-28 | 2021-01-04 | 제주대학교 산학협력단 | 스마트 시티에서 신재생 에너지와 전기자동차 충전의 결합 |
| JP2022020005A (ja) * | 2019-04-03 | 2022-01-27 | 株式会社Ihi | 電力管理システム |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015019184A2 (en) * | 2013-08-06 | 2015-02-12 | Systemex-Energies International Inc. | Method and apparatus for controlling the power supply from an electric vehicle to a dwelling or to an ac power distribution network |
| US10361584B2 (en) * | 2016-11-16 | 2019-07-23 | Korea Institute Of Energy Research | System for managing energy, method of managing energy, and method of predicting energy demand |
| KR102433167B1 (ko) * | 2017-09-29 | 2022-08-18 | 한국전력공사 | 건물 및 계통의 충방전 우선순위를 고려하는 v2xess 연계 시스템 및 방법 |
-
2022
- 2022-04-27 KR KR1020220052306A patent/KR102908339B1/ko active Active
-
2023
- 2023-03-17 US US18/842,444 patent/US20250174992A1/en active Pending
- 2023-03-17 WO PCT/KR2023/003568 patent/WO2023210968A1/ko not_active Ceased
- 2023-03-17 CN CN202380036837.9A patent/CN119156304A/zh active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009221045A (ja) * | 2008-03-14 | 2009-10-01 | Honda Motor Co Ltd | 発電及び水素製造システム |
| WO2020069041A1 (en) * | 2018-09-27 | 2020-04-02 | Landis+Gyr Innovations, Inc. | Providing on-demand power charging for electric vehicles |
| KR20200069122A (ko) * | 2018-12-06 | 2020-06-16 | 주식회사 엘지화학 | 에너지저장시스템(ess)의 전력 운영 시스템 및 방법 |
| JP2022020005A (ja) * | 2019-04-03 | 2022-01-27 | 株式会社Ihi | 電力管理システム |
| KR102197767B1 (ko) * | 2019-11-28 | 2021-01-04 | 제주대학교 산학협력단 | 스마트 시티에서 신재생 에너지와 전기자동차 충전의 결합 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN119156304A (zh) | 2024-12-17 |
| US20250174992A1 (en) | 2025-05-29 |
| KR102908339B1 (ko) | 2026-01-07 |
| KR20230152481A (ko) | 2023-11-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021125615A1 (ko) | 전기차용 충전기의 전력공급방법 | |
| WO2017043751A1 (ko) | 독립형 마이크로그리드 자율제어 시스템 및 방법 | |
| WO2019031686A1 (ko) | 에너지 저장 시스템 | |
| WO2021162190A1 (ko) | 전기차 충전 장치 및 이의 제어방법 | |
| JP3144323B2 (ja) | 太陽光発電装置 | |
| WO2018056504A1 (ko) | 독립형 마이크로그리드의 주파수 제어방법 및 이를 제어하는 에너지 저장장치용 전력변환장치 | |
| WO2020008985A1 (ja) | 系統連系システム、系統連系ユニット、系統連系方法及び系統連系システムの設置方法 | |
| WO2018074651A1 (ko) | 마이크로그리드용 에너지 저장 장치에 대한 운영 장치 및 방법 | |
| WO2022196846A1 (ko) | 에너지저장시스템 계층형 관리시스템 | |
| WO2019059489A1 (ko) | 마이크로그리드 시스템 | |
| WO2019107806A1 (ko) | 계층형 전력 제어 시스템 | |
| WO2024043721A1 (ko) | Soc에 따라 복수 동작 모드를 지원하는 배터리 시스템 | |
| WO2023243943A1 (ko) | Pcs를 최적 효율구간에서 운용하는 방법/장치 | |
| WO2018230831A1 (ko) | 에너지 저장 시스템 | |
| WO2019107802A1 (ko) | 에너지 저장 시스템 | |
| WO2023048388A1 (ko) | 비상발전기능을 갖는 배터리 교체 스테이션 | |
| JP2020010442A (ja) | 系統連系システム及び系統連系方法 | |
| WO2013002438A1 (ko) | 수배전반 및 이를 이용한 전력 처리 방법 | |
| WO2018236038A1 (ko) | 에너지 저장 시스템 | |
| WO2019107801A1 (ko) | 에너지 저장 시스템 | |
| JP2022190765A (ja) | 充放電装置および分散電源システム | |
| WO2023210968A1 (ko) | 전력 시스템 | |
| WO2021112311A1 (ko) | 마이크로 그리드 내의 셀 간의 직류전원을 효율적으로 통합 제어하기 위한 자율배전 제어시스템 및 그 운용방법 | |
| WO2019107807A1 (ko) | 에너지 저장 시스템 | |
| WO2019235657A1 (en) | Solar energy storage system divided into daytime and night mode, and its operation method and battery replacement method thereof |
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: 23796617 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 18842444 Country of ref document: US |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 202380036837.9 Country of ref document: CN |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 23796617 Country of ref document: EP Kind code of ref document: A1 |
|
| WWP | Wipo information: published in national office |
Ref document number: 18842444 Country of ref document: US |