WO2023096171A1 - Système de microréseau indépendant - Google Patents

Système de microréseau indépendant Download PDF

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Publication number
WO2023096171A1
WO2023096171A1 PCT/KR2022/016041 KR2022016041W WO2023096171A1 WO 2023096171 A1 WO2023096171 A1 WO 2023096171A1 KR 2022016041 W KR2022016041 W KR 2022016041W WO 2023096171 A1 WO2023096171 A1 WO 2023096171A1
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WIPO (PCT)
Prior art keywords
power generation
power
container
generation device
opening
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PCT/KR2022/016041
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English (en)
Korean (ko)
Inventor
김형준
박건우
Original Assignee
주식회사 넥스트스퀘어
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Publication of WO2023096171A1 publication Critical patent/WO2023096171A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381—Dispersed generators
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06Q30/00—Commerce
    • G06Q30/02—Marketing; Price estimation or determination; Fundraising
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06Q30/00—Commerce
    • G06Q30/02—Marketing; Price estimation or determination; Fundraising
    • G06Q30/0207—Discounts or incentives, e.g. coupons or rebates
    • G06Q30/0237—Discounts or incentives, e.g. coupons or rebates at kiosk
    • 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
    • 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
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
    • 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
    • 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

Definitions

  • the present invention relates to an independent microgrid system for self-generating and supplying power.
  • the microgrid is an independent power grid, which is a next-generation power system in which renewable energy sources such as solar and wind power and energy storage devices are converged.
  • Korean Patent Registration No. 10-2048047 Korean Patent Registration No. 10-2048047 (2019.11.22. notice) "solar-based autonomous independent microgrid system” has been disclosed.
  • the conventional solar-based autonomous stand-alone microgrid system described above includes a solar power generator, a DC-DC converter having a buck-boost function and level-converting and outputting DC power supplied from solar power generation, and one or more manually operated A diesel generator, a power conversion device that converts AC power supplied by the diesel generator into DC power, an energy storage device equipped with a battery and storing DC power supplied from the DC-DC converter and the power converter, and DC power of the energy storage device It consists of an inverter that converts power into AC power and provides it to the power load, and a power meter that detects and measures the amount of power provided to the power load. -The battery of the energy storage device is charged while the DC converter and inverter are turned on, and the DC-DC converter automatically stops charging when the battery voltage is higher than the predetermined maximum voltage. It is configured to automatically cut off power to power loads.
  • the conventional solar-based autonomous stand-alone microgrid system having such a configuration can improve power generation efficiency by adjusting the amount of solar power generation according to the charging voltage state.
  • the conventional solar-based autonomous independent microgrid system has a problem in that environmental pollution occurs due to soot generated from the diesel generator because the diesel generator must be operated when the amount of sunlight is insufficient.
  • the present invention has been made to solve the above problems, and the problem to be solved by the present invention is not only easy to install, but also easy to manage by combining containers in the form of mutually inserting opening and closing doors, and opening and closing doors and doors.
  • By having an information providing unit and an information sensing unit in the pocket it is possible to easily grasp the information of the containers connected to each other and provide a grid control device, and to change the opening and closing direction of the container door through the conversion guide unit to facilitate container combination. Its purpose is to provide a stand-alone microgrid system that can perform efficiently.
  • An object of the present invention is to provide an independent microgrid system that can quickly supplement insufficient electricity by promoting the use of manpower generators by increasing the reduction rate of use costs as the amount of power stored in the storage device approaches the minimum amount of power.
  • An independent microgrid system for achieving the above object is a photovoltaic power generation device that generates power by sunlight, an engine power generation device that generates power by generating power by an engine, and the photovoltaic device. , and an energy storage device that charges and stores electricity generated by the engine generator, a load device that uses the power stored in the energy storage device, and a photovoltaic device that monitors the power used by the load device, and A grid control device controlling power generated from the engine power generation device and stored power in the energy storage device and providing the power to the load device, wherein the photovoltaic power generation device and the engine power generation device accommodate each power generation device A container, an opening and closing door installed at both ends of the container and opening and closing the inside of the container as it rotates, and an opening and closing door at a position where the container and adjacent containers face each other so that the container and adjacent containers are connected to each other in an open state. It includes a door pocket portion into which the opening and closing door is inserted.
  • the door pocket unit is installed on the opening and closing door and provides information on the power generation device connected to the grid control device by detecting the information providing unit located at the part facing the information providing unit and having information on the power generation device, and the information providing unit facing the information providing unit. It may include an information sensing unit that does.
  • the opening/closing door has a door hinge protruding upward and downward from one end of the opening/closing door and serving as a rotation point for opening and closing the opening/closing door, and a sliding movement in the width direction of the container to change the opening/closing direction of the opening/closing door. It may include a conversion guide unit that is coupled in a manner.
  • the load device may include a charging device for charging the battery of the vehicle.
  • the grid control device may include a kiosk that displays the amount of power used and charges and pays.
  • the energy storage device further includes a manpower generation device that generates and provides power by manpower, and the grid device generates power through the manpower generation device by a user of the load device, by the amount of power generated by the manpower generation device as much as the load.
  • the fee for using the device can be reduced or exempted.
  • the grid control device may increase and impose a reduction rate of the usage fee of the load device in proportion to the amount of power generated by the manpower generator as the storage amount stored in the energy storage device approaches a preset minimum amount of power.
  • a photovoltaic power generation device, a human power generation device, and an engine power generation device are installed in a container to facilitate transportation, and also to facilitate construction by combining containers in the form of inserting an opening and closing door.
  • an information providing unit and an information sensing unit are configured in the opening and closing door and the door pocket, so that information on the power generation devices connected to each other is sent to the grid control device, and the connection status of the power generation devices can be easily grasped.
  • FIG. 1 is a schematic configuration diagram showing an independent microgrid system according to an embodiment of the present invention.
  • FIG. 2 is a perspective view schematically illustrating an independent microgrid system according to an embodiment of the present invention.
  • FIG 3 is a perspective view showing a state in which containers of an independent microgrid system are coupled to each other according to an embodiment of the present invention.
  • FIG. 4 is a plan cross-sectional view showing a state in which containers of an independent microgrid system are coupled to each other according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional side view illustrating a state in which containers of an independent microgrid system are coupled to each other according to an embodiment of the present invention, and shows an information sensing unit and an information providing unit.
  • FIG. 6 is a perspective view showing a state in which a photovoltaic device of an independent microgrid system according to an embodiment of the present invention is installed in a container.
  • the stand-alone microgrid system 100 includes a photovoltaic power generation device 110, an engine power generation device 120, and a human power generation device 130. can do.
  • the photovoltaic device 110 may generate electricity by sunlight, and the photovoltaic device 110 may include a plurality of solar panels 111 .
  • the solar panel 111 may include a hinge portion 113 and a pedestal 115, and the upper or lower portion of the solar panel 111 is formed by protruding the hinge portion 113 in a bar shape on both sides,
  • a pedestal 115 supporting the floor may be installed at an upper end or a lower end in the opposite direction from which the panel hinge part 113 is formed so as to be tilted about the panel hinge part 113 and stand upright.
  • the pedestal 115 is rotatably installed on the solar panel 111 to adjust the inclination angle of the solar panel 111 .
  • the hinge part 113 may be supported on the container 170 by a support jig 117 coupled to the container 170, which will be described below, and the support jig 117 will be described when the container 170 is described below. , explain in detail.
  • the engine power generation device 120 may generate electricity by consuming fuel, and the engine power generation device 120 may generate electricity in the form of driving a generator by a diesel engine consuming fuel.
  • the engine power generation device 120 may be composed of a plurality of sets of diesel engines and generators as one set, or may be configured such that a plurality of diesel engines drive one large-capacity generator.
  • the manpower generator 130 may generate electricity by manpower, and the manpower generator 130 may generate power in the form of manually operating a generator by manpower.
  • the human power generator 130 may be a bicycle-type generator that drives a generator by driving a panel of a bicycle, and drives the generator while the user exercises or plays the generator using a ride, exercise machine, or piezoelectric effect. It may be implemented in a variety of possible forms.
  • Human power generation device 130 may be composed of a plurality of bicycle-type generator.
  • the photovoltaic power generation device 110 , the engine power generation device 120 , and the human power generation device 130 may each include a container 170 .
  • the container 170 may accommodate each power generation device to facilitate installation and movement of the photovoltaic power generation device 110, the engine power generation device 120, and the human power generation device 130.
  • the container 170 of the photovoltaic device 110 transports the solar panel 111 while being accommodated therein, and takes the solar panel 111 out of the container 170 to the container 170.
  • a generator driven by a diesel engine may be installed inside the container 170 of the engine power generation device 120.
  • the container 170 of the human power generation device 130 accommodates a bicycle-type generator therein so that the user can enter the container 170 and drive the bicycle-type generator.
  • the container 170 in which the solar power generation device 110 is installed, the container 170 in which the human power generation device 130 is installed, and the container 170 in which the engine power generation device 120 is installed are installed in plurality according to the amount of power generation. It can be.
  • the photovoltaic device 110 may include a holding jig 117 .
  • the mounting jig may take the photovoltaic device 110 out of the container 170 and mount the photovoltaic device 110 outside the container 170 so as to face the sun.
  • the mounting jig 117 is a casting coupling inserted into the corner casting configured in the container 170 to fix the container 170 and the seating portion 117a on which the hinge portion 113 of the photovoltaic device 110 is seated. It may be installed in a form in which the casting coupling portion 117b is inserted into each of the corner castings on both sides, which are composed of the portion 117b and are located in the upper front of the container 170.
  • one end of the solar panel 111, the hinge part 113 located on both sides is seated on the seating part 117a, and the other end is the pedestal 115 It can be installed in the container 170 at an angle so as to look at the sun through it.
  • a pair of seating grooves are formed in the seating portion 117a where the hinge portion 113 is seated so that the pair of hinge portions 113 are seated, and the solar panel 111 installed on top of the container 170
  • the hinge part 113 located at one end of the container 170 and the hinge part 113 located at the other end of the solar panel 111 installed on the side of the container 170 may be seated and supported together.
  • each container 170 may have both ends open, and both ends of the container 170 are open to open and close doors for opening and closing the inside of the container 170 ( 171) can be installed.
  • the opening and closing door 171 is a container 170 in a form in which one side end of both ends of the container 170 is fixed by the door hinge part 175 and rotates left and right around the door hinge part 175. ) can be opened and closed.
  • the container 170 may have a door pocket portion 173 into which an opening/closing door 171 is inserted so as to be combined with an adjacent container 170 .
  • the door pocket portion 173 may be formed on both sides of the container 170, respectively, and the door pocket portion 173 may be coupled to each other in a form in which the opening and closing doors 171 of adjacent containers 170 are inserted. .
  • first container 170 and a second container 170' adjacent containers 170 are referred to as a first container 170 and a second container 170'
  • the opening and closing doors of the first container 170 and the second container 170' face each other. (171, 171') are opened by rotating them at 90°, the opening/closing door 171' of the second container 170' is inserted into the door pocket part 173 of the first container 170, and the second container 170 ') can be coupled to each other in the form of inserting the opening and closing door 171 of the first container 170 into the door pocket portion 173'.
  • the conversion guide parts 177 and 177', to which (175 and 175') are moved may be formed in the form of grooves along the width direction of the containers 170 and 170' at positions of the containers 170 and 170' corresponding to the door hinge parts 175 and 175'. there is.
  • the opening/closing door 171 of the first container 170 and the opening/closing door 171' of the second container 170' are opened in a state where the first container 170 and the second container 170' face each other.
  • the door 171 of the first container 170 and the second container By changing the position of one of the opening and closing doors 171 and 171' through the switching guide part 177 so that the opening and closing doors 171' of 170' are displaced from each other, the opening and closing doors 171 and 171 are placed in the door pockets 173 and 173' between them ') may be inserted.
  • the door pocket unit 173 may include an information providing unit 173b and an information detecting unit 173a.
  • the information providing unit 173b may provide information on the power generation device installed in the container 170 through the opening/closing door 171, and the information detecting unit 173a may provide information on the container 170 provided by the information providing unit 173b. Information of can be provided to the grid control device 160 to be described below for the type of installed power generation device.
  • the information installed in the information providing unit 173b is sent to the information detection unit 173a
  • the grid control device 160 may be provided that the photovoltaic device 110 and the human power device 130 are connected to each other.
  • a plurality of information sensing units 173a in the form of a plurality of protruding pins may be installed in a line in the door pocket unit 173 in a direction in which the opening and closing door 171 is inserted.
  • the information providing unit 173b is formed in the form of a groove on the surface of the opening and closing door 171 facing the information sensing unit 173a, and among a plurality of pins, a pin corresponding to the groove is inserted into the groove, and the remaining pins are pressed. Information stored in advance according to the number or positions of non-pressurized pins may be provided to the grid control device 160 through electrical signals.
  • a plurality of pins that can appear and appear are called pins 1, 2, 3, and 4 in turn, and pin 1 is unpressurized in the container 170 in which the photovoltaic device 110 is installed, and pin 2 is unpressurized.
  • the opening and closing door 171 of the container 170 in which the photovoltaic power generation device 110 is installed has a number 1 pin and A groove is formed at the corresponding position.
  • a groove is formed at a position corresponding to the second pin in the opening and closing door 171 of the container 170 in which the engine generator 120 is installed, and the opening and closing door 171 is inserted into each door pocket part 173 by the groove.
  • the information detection unit 173a is implemented as a light sensor, and the information provider 173b is implemented as a reflective member that reflects light to provide information depending on whether light is reflected or not.
  • the information detection unit 173a is implemented as a barcode sensor, and the information providing unit 173b is implemented as a barcode to provide a detection signal to the grid control device 160 in the form of reading information from the barcode.
  • the information sensing unit 173a is configured under the door pocket unit 173 and the information providing unit 173b is configured under the opening and closing door 171, but the information sensing unit 173a is configured in the door pocket unit. It is configured on the side, end or top of (173), and the information providing unit (173b) may be configured on each corresponding side, end or top.
  • the stand-alone microgrid system 100 is an energy storage device 140.
  • a load device 150 and a grid control device 160 may be included.
  • the energy storage device 140 may store electricity generated through the photovoltaic power generation device 110, the engine power generation device 120, and the human power generation device 130, and provide the stored electricity to the load device 150. there is.
  • the energy storage device 140 may be configured by connecting a plurality of batteries, and the energy storage device 140 includes an inverter and a converter, including a photovoltaic power generation device, an engine power generation device 120, and a human power generation device 130 ) can be converted into uniform voltage and current, changed to AC/DC or DC/AC, and then stored.
  • an inverter and a converter including a photovoltaic power generation device, an engine power generation device 120, and a human power generation device 130 ) can be converted into uniform voltage and current, changed to AC/DC or DC/AC, and then stored.
  • the energy storage device 140 may be installed inside a separate container 170 according to its volume or may be installed in one container 170 together with the load device 150 and the grid control device 160.
  • the load device 150 may consume power, and the load device 150 may be a charging device for charging electricity in a vehicle.
  • the load device 150 may charge electricity through an electric cord, such as an electric vehicle or an electric scooter.
  • the load device 150 receives power from the energy storage device 140 by the grid control device 160, or the solar power generation device 110, the engine power generation device 120, and the human power generation device 130,
  • load device 150 is configured to store and charge a plurality of batteries installed in the electric scooter like a drawer, separate the battery to be charged from the electric scooter and store it in the storage unit, and charge the battery in the storage unit. It may be a form of removing and charging only the battery so that the completed battery is separated and installed on the electric scooter.
  • the grid control device 160 monitors the power stored in the energy storage device 140, the power generated from the solar power generation device 110, the engine power generation device 120, and the human power generation device 130, and controls them. can
  • the grid control device 160 monitors and compares the amount of power generated by the photovoltaic device 110 and the amount of power used in real time by the energy storage device 140 and compares the amount of power generated by the photovoltaic device 110. If the amount of power required by the load device 150 is less than that, the engine generator 120 may be operated to compensate for the insufficient amount of power and directly supply the amount of power to the load device 150 .
  • electricity generated from the photovoltaic power generation device 110, the engine power generation device 120, and the human power generation device 130 can be converted into voltage and current required by the load device 150 and supplied through an inverter and a converter.
  • an inverter and a converter Of course there is.
  • the grid control device 160 operates the engine power generation device 120 to generate energy storage device 140. can also supply electricity.
  • the grid control device 160 may charge a fee for power use according to the amount of power used by the load device 150, and the grid control device 160 pays the amount of power used by the load device 150 and the usage fee. It may include a kiosk 165 for doing so, and the grid control device 160 may be implemented as a computer.
  • the grid control device 160 may provide and store electricity generated through the manpower generator 130 to the energy storage device 140, and the grid control device 160 operates the manpower generator 130. After measuring the amount of power generated by the user, when the user who has generated power with the human power generation device 130 uses the load device 150, the amount of power generated can be reduced and exempted from the usage fee using the load device 150. Can be notified.
  • the grid control device 160 can charge A only for 9KW. there is.
  • the amount of power generation excluding maintenance costs can be calculated and the usage fee of the load device 150 can be reduced or exempted, and A is the manpower generation device 130 )
  • the amount of power generated by the human power generation device 130 is stored in the grid control device 160 and notified to A, and the load device 150 is used At this time, after authenticating A, the stored developed information can be read and applied to the usage fee.
  • the grid control device 160 induces power generation to the manpower generator 130 in order to quickly secure power as the amount of power stored in the energy storage device 140 approaches the preset minimum amount of power. By increasing the reduction rate of the charge when using the load device 150 with respect to the amount of power, it is possible to quickly secure power by inducing the use of the manpower generator 130.
  • the photovoltaic power generation device 110 and the engine power generation device 120 are also operated while inducing power generation to the human power generation device 130 through rate reduction. is of course
  • the load device 150 and the grid control device 160 are not relatively bulky, they can be installed together in one container 170. It is shown as being installed together with the container 170 in which the grid control device 160 is installed.
  • a photovoltaic power generation device 110 In the stand-alone microgrid system 100 according to an embodiment of the present invention, a photovoltaic power generation device 110, an engine power generation device 120, a manpower power generation device 130, and an energy storage device 140 are included in each container 170. It is installed inside, and the grid control device 160 and the load device 150 are installed together in one container 170.
  • the engine power generation device 120, the human power generation device 130, and the energy storage device 140 are easily managed.
  • the container 170 in which each device is installed is combined so that the inside of the container 170 can be connected into one.
  • Each container 170 opens and closes the door 171 of the container 170 to be combined with each other in a state where the facing door 171 is opened at 90°, and the door 171 is inserted into the door pocket part 173 formed in the container 170 of the other side. They are combined with each other in the form of inserts.
  • the information sensing unit 173a located between the door pocket 173 and the opening and closing door 171 detects the information providing unit 173b, By providing the sensed signal to the grid control device 160, the grid control device 160 informs the combined state of the power generation devices, determines the combined position, and predicts the maximum power generation capacity.
  • the amount of power generation that can be generated according to the power generation device installed in one container 170 is stored in advance, and the maximum amount of power generation can be predicted according to the number of combined containers 170 and the type of power generation device. there is.
  • a photovoltaic power generation device 110 a human power generation device 130,
  • the mounting jig 117 is placed on both sides of the upper portion of the container 170.
  • the hinge part 113 located at one end of the solar panel 111 is seated on the seating part 117a of the corner casting in a state where it is inserted into the casting coupling part 117b of the jig 117 through the corner casting, and sunlight
  • the other end of the panel 111 may be supported by a pedestal 115 and tilted toward the sun.
  • the grid control device 160 predicts the maximum amount of power generation by determining the number of connected photovoltaic power generation devices 110, the number of diesel engine devices, and the number of human power generation devices 130. And, the electricity generated by the photovoltaic device 110 is stored in the energy storage device 140.
  • the grid control device 160 monitors the amount of power generated by the photovoltaic device 110, the amount of power stored in the energy storage device 140, and the amount of power used by the load device 150, When the amount of stored power is equal to or less than a predetermined amount of power by estimating consumption of the amount of power used by the load device 150, the engine generator 120 is operated.
  • the grid control device 160 determines the power generated by the photovoltaic power generation device 110 and the engine power generation device 120. may be directly supplied to the load device 150 through a converter and an inverter.
  • the manpower generator 130 can be operated by the user's selection using the load device 150, and when the user performs power generation by the manpower generator 130, the grid control device 160 When the amount of power generated by the human power generation device 130 is individually stored, and later when the user charges the battery of the vehicle using the load device 150, the usage fee may be reduced or exempted according to the amount of power generation.
  • the amount of power stored in the energy storage device 140 approaches the minimum amount of power, the amount of power generated by the manpower generator 130 increases, so that even if the same amount of power is generated using the manpower generator 130, more usage charges are reduced.
  • the discount rate may be increased and provided to the user.
  • the stand-alone microgrid system 100 installs the human power generation device 130 to generate electricity by manpower, thereby increasing the amount of power generation and performing power generation by manpower, thereby reducing environmental pollution. can be minimized.
  • the usage frequency of the manpower generator 130 can be increased by reducing the usage fee of the load device 150, and the amount of power stored in the energy storage device 140 As this minimum amount of power is approached, the reduction rate of the usage fee is increased to promote the use of the manpower generator 130 by the user, so that the insufficient amount of power can be quickly supplemented.
  • the containers 170 can be easily coupled to each other in the form of inserting the opening and closing doors 171 of the containers 170 into the containers 170 between each other, and the door pocket portion 173 and the opening and closing door 171
  • the grid control device 160 can easily identify the connected power generation device.
  • the solar panel 111 can be easily mounted and installed on the container 170 by installing a mounting jig 117 on the container 170, and the opening and closing direction of the opening and closing door 171 is the conversion guide unit 177 Since the conversion is possible by , even if the opening/closing door 171 is located on a straight line, the direction of the opening/closing door 171 can be easily changed and the containers 170 can be combined with each other.
  • microgrid system 110 solar power generation device
  • container 171 opening and closing door

Abstract

La présente invention concerne un système de microréseau indépendant pour produire et fournir de l'énergie électrique de manière indépendante. Un système de microréseau indépendant selon un mode de réalisation de la présente invention comprend : un dispositif de génération d'énergie photovoltaïque pour produire de l'énergie au moyen de la lumière du soleil ; un dispositif de génération d'énergie de moteur pour produire de l'énergie par génération d'électricité au moyen d'un moteur ; un dispositif de stockage d'énergie pour accumuler et stocker de l'électricité générée par le dispositif de génération d'énergie photovoltaïque et le dispositif de génération d'énergie de moteur ; un dispositif de charge pour utiliser l'énergie stockée dans le dispositif de stockage d'énergie ; et un dispositif de commande de grille pour surveiller la puissance utilisée par le dispositif de charge, commander la puissance générée par le dispositif de génération d'énergie photovoltaïque et le dispositif de génération d'énergie de moteur et la puissance stockée dans le dispositif de stockage d'énergie, et la fournir au dispositif de charge. Le dispositif de génération d'énergie photovoltaïque et le dispositif de génération d'énergie de moteur comprennent un contenant pour contenir des dispositifs de génération d'énergie respectifs, des portes d'ouverture / de fermeture installées sur les deux extrémités du contenant de façon à tourner, ce qui permet d'ouvrir / de fermer l'intérieur du contenant, et une partie de poche de porte insérée et montée sur une porte d'ouverture / de fermeture de contrepartie tandis que la porte d'ouverture / de fermeture dans une position de face d'un comptoir adjacent au contenant est ouverte de façon à relier le contenant et le contenant adjacent l'un à l'autre. Par conséquent, les dispositifs de génération d'énergie peuvent être facilement couplés et installés.
PCT/KR2022/016041 2021-11-29 2022-10-20 Système de microréseau indépendant WO2023096171A1 (fr)

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