CN111555325A - Mixed type microgrid power generation and energy storage system - Google Patents
Mixed type microgrid power generation and energy storage system Download PDFInfo
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- CN111555325A CN111555325A CN202010409121.7A CN202010409121A CN111555325A CN 111555325 A CN111555325 A CN 111555325A CN 202010409121 A CN202010409121 A CN 202010409121A CN 111555325 A CN111555325 A CN 111555325A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00007—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/14—Energy storage units
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- 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
- Y04S10/16—Electric power substations
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- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/121—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission
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- Engineering & Computer Science (AREA)
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention relates to the technical field of micro-grid power generation, in particular to a hybrid micro-grid power generation and energy storage system. The energy management system comprises an energy unit, a monitoring unit, a control unit, an energy consumption unit and a scheduling unit; the energy unit is used for providing substation equipment with different power generation modes; the monitoring unit is used for monitoring the running state of the substation equipment, acquiring basic data and uploading the acquired data to the scheduling layer; the energy consumption unit is used for providing electric equipment for bearing electric energy; the scheduling unit is used for managing and controlling the operation process of each substation device. The design of the invention can make up the defect that a single micro-grid power generation system is greatly limited, keep the balance of power supply amount, carry out peak clipping and valley filling, smooth load and reduce resource waste.
Description
Technical Field
The invention relates to the technical field of micro-grid power generation, in particular to a hybrid micro-grid power generation and energy storage system.
Background
The micro-grid power generation system with a single mode (such as a photovoltaic power generation system, a wind power generation system, a gas turbine power generation system and the like) is greatly limited by environment and raw materials, and can be combined to make up for the deficiency. In the micro-grid power generation process, because the power utilization load has a peak period and a valley period, the surplus electric energy in the power generation system in the load valley period needs to be stored and can be used for complementing the gap of the electric energy in the load peak period. However, the capacity of the traditional energy storage battery is fixed, the situation that surplus electric energy is larger than the battery capacity to cause resource waste can occur in the using process, the situation that the load is not enough to normally run due to less total generated energy can also occur, and the user feeling of a user is reduced.
Disclosure of Invention
The invention aims to provide a hybrid micro-grid power generation and energy storage system to solve the problems in the background technology.
In order to solve the technical problems, one of the objectives of the present invention is to provide a hybrid microgrid power generation and energy storage system, which includes an energy unit, a monitoring unit, a control unit, an energy consumption unit and a scheduling unit; the energy unit is used for providing substation equipment with different power generation modes; the monitoring unit is used for monitoring the running state of the substation equipment, acquiring basic data and uploading the acquired data to the scheduling layer; the control unit is used for controlling the starting and stopping of each substation device; the energy consumption unit is used for providing electric equipment for bearing electric energy; and the scheduling unit is used for managing and controlling the operation process of each substation device.
As a further improvement of the technical scheme, the energy unit comprises a photovoltaic power generation module, a wind power generation module, a gas turbine power generation module and an energy storage module; the photovoltaic power generation module is used for converting solar energy into electric energy through a photovoltaic array; the wind power generation module is used for converting wind power into electric energy through a wind power generator; the gas turbine power generation module is used for generating electric energy through a gas turbine generator; the energy storage module is used for storing electric energy generated by each power generation system and providing electric energy for the direct current load.
The gas turbine comprises a gas turbine, an internal combustion engine, a micro-combustion engine and gas triple co-generation equipment.
Wherein, the energy storage equipment can adopt a converter operated in four quadrants.
As a further improvement of the technical scheme, the monitoring unit comprises a photovoltaic monitoring module, a fan monitoring module, a gas turbine monitoring module and an energy storage monitoring module; the photovoltaic monitoring module is used for monitoring the running state of the photovoltaic array and uploading the acquired basic data to the scheduling layer; the wind turbine monitoring module is used for monitoring the running state of the wind turbine and uploading the acquired basic data to the dispatching layer; the gas turbine monitoring module is used for monitoring the running state of the gas turbine and uploading the acquired basic data to the dispatching layer; the energy storage monitoring module is used for monitoring the state of the energy storage equipment and uploading the acquired basic data to the scheduling layer.
The basic data of the photovoltaic array comprise the current total power, the generated energy, the altitude, the azimuth angle, the running state, alarm data, the temperature, the illumination intensity, the wind speed, the wind direction and the like in the environment where the alarm data is located; the basic data of the fan comprise the current total power, the generated energy, the direct voltage, the direct current, the direct power, the running temperature, the wind speed, the wind direction and the like in the environment; the basic data of the gas turbine comprise the current total power, the generated energy, the fuel consumption, the carbon dioxide emission, the internal temperature and the like; the basic data of the energy storage device comprise an operation state, energy storage, energy release, device temperature, alarm data and the like.
As a further improvement of the technical scheme, the control unit comprises a photovoltaic control module, a fan control module, a fuel control module and a BMS module; the photovoltaic control module is used for managing the flow direction and flow of the distributed photovoltaic electric energy and controlling the start-stop operation of the photovoltaic array; the fan control module manages the flow direction and flow of the wind power and controls the start-stop operation of the fan; the gas engine control module is used for managing the flow direction and the flow of the electric energy of the gas engine and controlling the starting and stopping of the gas engine and the running time of the gas engine; the BMS module is used for controlling point energy flowing into the energy storage equipment, distributing the outward flowing direction and flow of electric energy in the energy storage equipment and connecting the battery and a user so as to improve the utilization rate of the battery.
As a further improvement of the technical solution, the energy consumption unit includes a dc load module, an inverter module, and an ac load module; the direct current load module is used for providing electric equipment capable of directly using direct current; the inversion module is used for converting direct current into alternating current; the alternating current load module is used for providing electric equipment using alternating current.
As a further improvement of the technical scheme, the scheduling unit comprises a data calculation module, a central regulation and control module and a database module; the data calculation module is used for calculating the coincidence degree of the surplus total electric quantity in the system and the energy storage quantity of the energy storage equipment; the central regulation and control module is used for monitoring the running states of all equipment of the substation and sending remote control and remote regulation instructions to the substation equipment; the database module is used for establishing a database to store historical data for users to inquire.
Wherein, the central control can adopt a data acquisition and monitoring control System (SCADA).
As a further improvement of the technical solution, the data calculation module adopts a threshold control algorithm, and a calculation formula thereof is as follows:
the return difference is an upper limit threshold-a lower limit threshold;
the upper limit threshold is the maximum value of the electric energy stored in the energy storage device, and the lower limit threshold is the minimum value of the electric energy stored in the energy storage device when the normal operation state of the whole system can be maintained.
As a further improvement of the technical scheme, the central regulation and control module adopts a priority algorithm.
The code of the priority algorithm is as follows:
the second objective of the present invention is to provide a hybrid microgrid power generation and energy storage apparatus, which includes a processor, a memory, and a computer program stored in the memory and running on the processor, wherein the processor is configured to implement any one of the hybrid microgrid power generation and energy storage systems described above when the computer program is executed by the processor.
It is a further object of the present invention that the computer readable storage medium stores a computer program, and the computer program when executed by the processor implements any of the hybrid microgrid power generation and energy storage systems described above.
Compared with the prior art, the invention has the beneficial effects that: in this mixed type microgrid power generation energy storage system, compensate single microgrid power generation system through multiple microgrid power generation mode and receive the great defect of environment and raw materials restriction, keep the balance of power supply volume through the stored energy of monitoring control energy storage equipment simultaneously, the load is filled in the peak clipping, and smooth load reduces the wasting of resources, keeps the high utilization rate of electric energy, improves user's use body and feels.
Drawings
FIG. 1 is a schematic view of the entire structure of embodiment 1;
FIG. 2 is an overall block diagram of embodiment 1;
fig. 3 is a block diagram of an energy unit module in embodiment 1;
FIG. 4 is a block diagram of a monitoring unit module in embodiment 1;
FIG. 5 is a block diagram of control unit modules in embodiment 1;
FIG. 6 is a block diagram of energy consuming unit modules according to embodiment 1;
FIG. 7 is a block diagram of a scheduling unit in embodiment 1;
fig. 8 is a schematic structural diagram of the hybrid microgrid power generation and energy storage device in embodiment 1.
The various reference numbers in the figures mean:
100. an energy unit; 101. a photovoltaic power generation module; 102. a wind power generation module; 103. a gas turbine power generation module; 104. an energy storage module;
200. a monitoring unit; 201. a photovoltaic monitoring module; 202. a fan monitoring module; 203. a combustion engine monitoring module; 204. an energy storage monitoring module;
300. a control unit; 301. a photovoltaic control module; 302. a fan control module; 303. a fuel control module; 304. a BMS module;
400. an energy consumption unit; 401. a DC load module; 402. an inversion module; 403. an alternating current load module;
500. a scheduling unit; 501. a data calculation module; 502. a central regulation module; 503. and a database module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 to 8, the present embodiment provides a hybrid microgrid power generation and energy storage system, which includes an energy unit 100, a monitoring unit 200, a control unit 300, an energy consumption unit 400, and a scheduling unit 500; the energy unit 100 is used to provide substation devices of different power generation modes; the monitoring unit 200 is used for monitoring the running state of the substation equipment, collecting basic data and uploading the collected data to the scheduling layer; the control unit 300 is used for controlling the start and stop of each substation device; the energy consumption unit 400 is used for providing electric equipment for receiving electric energy; the scheduling unit 500 is used for managing and controlling the operation process of each substation device.
In this embodiment, the energy unit 100 includes a photovoltaic power generation module 101, a wind power generation module 102, a gas turbine power generation module 103, and an energy storage module 104; the photovoltaic power generation module 101 is used for converting solar energy into electric energy through a photovoltaic array; the wind power generation module 102 is used for converting wind power into electric energy through a wind power generator; the gas turbine power generation module 103 is used for generating electric energy through a gas turbine generator; the energy storage module 104 is used for storing electric energy generated by each power generation system and providing electric energy for a direct current load.
The gas turbine comprises a gas turbine, an internal combustion engine, a micro-combustion engine and gas triple co-generation equipment.
Wherein, the energy storage equipment can adopt a converter operated in four quadrants.
In this embodiment, the monitoring unit 200 includes a photovoltaic monitoring module 201, a fan monitoring module 202, a combustion engine monitoring module 203, and an energy storage monitoring module 204; the photovoltaic monitoring module 201 is used for monitoring the running state of the photovoltaic array and uploading the acquired basic data to the scheduling layer; the fan monitoring module 202 is used for monitoring the running state of the wind driven generator and uploading the acquired basic data to the dispatching layer; the gas turbine monitoring module 203 is used for monitoring the running state of the gas turbine and uploading the acquired basic data to the dispatching layer; the energy storage monitoring module 204 is configured to monitor the state of the energy storage device and upload the acquired basic data to the scheduling layer.
The basic data of the photovoltaic array comprise the current total power, the generated energy, the altitude, the azimuth angle, the running state, alarm data, the temperature, the illumination intensity, the wind speed, the wind direction and the like in the environment where the alarm data is located; the basic data of the fan comprise the current total power, the generated energy, the direct voltage, the direct current, the direct power, the running temperature, the wind speed, the wind direction and the like in the environment; the basic data of the gas turbine comprise the current total power, the generated energy, the fuel consumption, the carbon dioxide emission, the internal temperature and the like; the basic data of the energy storage device comprise an operation state, energy storage, energy release, device temperature, alarm data and the like.
In this embodiment, the control unit 300 includes a photovoltaic control module 301, a fan control module 302, a combustion engine control module 303, and a BMS module 304; the photovoltaic control module 301 is used for managing the flow direction and flow rate of the distributed photovoltaic electric energy and controlling the start-stop operation of the photovoltaic array; the fan control module 302 manages the flow direction and the flow rate of the wind power and controls the start and stop operation of the fan; the gas turbine control module 303 is used for managing the flow direction and flow rate of the electric energy of the gas turbine and controlling the start and stop of the gas turbine and the running time of the gas turbine; the BMS module 304 is used to control the point of energy inflow to the energy storage devices, distribute the outward flow and flow of electrical energy within the energy storage devices, and connect the battery to the user to improve battery utilization.
In this embodiment, the energy consumption unit 400 includes a dc load module 401, an inverter module 402, and an ac load module 403; the direct current load module 401 is used for providing electric equipment which can directly use direct current; the inverter module 402 is used for converting direct current into alternating current; the ac load module 403 is used to provide electric devices using ac power.
In this embodiment, the scheduling unit 500 includes a data calculation module 501, a central regulation module 502, and a database module 503; the data calculation module 501 is used for calculating the coincidence degree of the surplus total electric quantity in the system and the energy storage quantity of the energy storage device; the central regulation and control module 502 is used for monitoring the running states of all equipment of the substation and sending remote control and remote regulation instructions to the substation equipment; the database module 503 is used to build a database to store historical data for user query.
Wherein, the central control can adopt a data acquisition and monitoring control System (SCADA).
Further, the data calculation module 501 adopts a threshold control algorithm, and the calculation formula is as follows:
the return difference is an upper limit threshold-a lower limit threshold;
the upper limit threshold is the maximum value of the electric energy stored in the energy storage device, and the lower limit threshold is the minimum value of the electric energy stored in the energy storage device when the normal operation state of the whole system can be maintained.
Further, the central regulation module 502 employs a priority algorithm.
Specifically, when the surplus total electric quantity in the system is smaller than the lower limit threshold value of the energy storage device, the upper computer sequentially sends starting instructions to the controllers according to the monitored running state quantity of each substation device and the optimal sequence of the running state; when the surplus total electric quantity in the system is larger than the upper limit threshold value of the energy storage device, the upper computer sequentially sends stop instructions to the controllers according to the monitored running state quantity of each substation device and the optimal reverse sequence of the running state, or sequentially sends stop instructions to the controllers according to the sequence that the power supply quantity (the power supply quantity is required to be smaller than the return difference) is from small to large.
The code of the priority algorithm is as follows:
in this embodiment, the
Referring to fig. 8, a schematic diagram of a hybrid microgrid power generation and energy storage device according to the present embodiment is shown, where the hybrid microgrid power generation and energy storage device includes a processor, a memory, and a bus.
The processor comprises one or more than one processing core, the processor is connected with the processor through a bus, the memory is used for storing program instructions, and the hybrid microgrid power generation and energy storage system is realized when the processor executes the program instructions in the memory.
Alternatively, the memory may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
In addition, the invention also provides a computer readable storage medium, which stores a computer program, and the computer program is executed by a processor to implement the hybrid microgrid power generation and energy storage system.
Optionally, the present invention further provides a computer program product containing instructions, which when run on a computer, causes the computer to execute the hybrid microgrid power generation and energy storage system according to the above aspects.
It will be understood by those skilled in the art that all or part of the steps of implementing the above embodiments may be implemented by hardware, or may be implemented by hardware related to instructions of a program, and the program may be stored in a computer readable storage medium, where the above mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a mixed type microgrid electricity generation energy storage system which characterized in that: the energy management system comprises an energy unit (100), a monitoring unit (200), a control unit (300), an energy consumption unit (400) and a scheduling unit (500); the energy unit (100) is used for providing substation equipment with different power generation modes; the monitoring unit (200) is used for monitoring the running state of the substation equipment, acquiring basic data and uploading the acquired data to the scheduling layer; the control unit (300) is used for controlling the starting and stopping of each substation device; the energy consumption unit (400) is used for providing electric equipment for receiving electric energy; and the scheduling unit (500) is used for managing and controlling the operation process of each substation device.
2. The hybrid microgrid power generation and energy storage system of claim 1, characterized in that: the energy unit (100) comprises a photovoltaic power generation module (101), a wind power generation module (102), a gas turbine power generation module (103) and an energy storage module (104); the photovoltaic power generation module (101) is used for converting solar energy into electric energy through a photovoltaic array; the wind power generation module (102) is used for converting wind power into electric energy through a wind power generator; the gas turbine power generation module (103) is used for generating electric energy through a gas turbine generator; the energy storage module (104) is used for storing electric energy generated by each power generation system and providing electric energy for a direct current load.
3. The hybrid microgrid power generation and energy storage system of claim 1, characterized in that: the monitoring unit (200) comprises a photovoltaic monitoring module (201), a fan monitoring module (202), a combustion engine monitoring module (203) and an energy storage monitoring module (204); the photovoltaic monitoring module (201) is used for monitoring the running state of the photovoltaic array and uploading the acquired basic data to the dispatching layer; the wind turbine monitoring module (202) is used for monitoring the running state of the wind turbine and uploading the acquired basic data to the dispatching layer; the gas turbine monitoring module (203) is used for monitoring the running state of the gas turbine and uploading the acquired basic data to the dispatching layer; the energy storage monitoring module (204) is used for monitoring the state of the energy storage equipment and uploading the acquired basic data to the scheduling layer.
4. The hybrid microgrid power generation and energy storage system of claim 1, characterized in that: the control unit (300) comprises a photovoltaic control module (301), a fan control module (302), a combustion engine control module (303) and a BMS module (304); the photovoltaic control module (301) is used for managing the flow direction and flow of distributed photovoltaic electric energy and controlling the start-stop operation of the photovoltaic array; the fan control module (302) manages the flow direction and the flow rate of the wind power electric energy and controls the start-stop operation of the fan; the gas turbine control module (303) is used for managing the flow direction and flow of the electric energy of the gas turbine and controlling the starting and stopping of the gas turbine and the running time of the gas turbine; the BMS module (304) is used for controlling the point energy flowing into the energy storage device, distributing the outward flow and flow of the electric energy in the energy storage device, and connecting the battery and a user to improve the utilization rate of the battery.
5. The hybrid microgrid power generation and energy storage system of claim 1, characterized in that: the energy consumption unit (400) comprises a direct current load module (401), an inversion module (402) and an alternating current load module (403); the direct current load module (401) is used for providing electric equipment which can directly use direct current; the inversion module (402) is used for converting direct current into alternating current; the alternating current load module (403) is used for providing electric equipment using alternating current.
6. The hybrid microgrid power generation and energy storage system of claim 1, characterized in that: the scheduling unit (500) comprises a data calculation module (501), a central regulation and control module (502) and a database module (503); the data calculation module (501) is used for calculating the coincidence degree of the surplus total electric quantity in the system and the energy storage quantity of the energy storage equipment; the central regulation and control module (502) is used for monitoring the running states of all equipment of the substation and sending remote control and remote regulation instructions to the substation equipment; the database module (503) is used for establishing a database to store historical data for user query.
7. The hybrid microgrid power generation and energy storage system of claim 6, characterized in that: the data calculation module (501) adopts a threshold control algorithm, and the calculation formula is as follows:
the return difference is an upper limit threshold-a lower limit threshold;
the upper limit threshold is the maximum value of the electric energy stored in the energy storage device, and the lower limit threshold is the minimum value of the electric energy stored in the energy storage device when the normal operation state of the whole system can be maintained.
8. The hybrid microgrid power generation and energy storage system of claim 6, characterized in that: the central regulation module (502) employs a priority algorithm.
9. The utility model provides a mixed type microgrid electricity generation energy memory which characterized in that: comprising a processor, a memory, and a computer program stored in and executed on the memory, the processor being configured to implement the hybrid microgrid power generation and energy storage system according to any one of claims 1 to 8 when the computer program is executed.
10. A computer-readable storage medium storing a computer program, characterized in that: the computer program when executed by a processor implements the hybrid microgrid power generation and energy storage system of any of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010409121.7A CN111555325A (en) | 2020-05-14 | 2020-05-14 | Mixed type microgrid power generation and energy storage system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010409121.7A CN111555325A (en) | 2020-05-14 | 2020-05-14 | Mixed type microgrid power generation and energy storage system |
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| CN111555325A true CN111555325A (en) | 2020-08-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112881857A (en) * | 2021-01-11 | 2021-06-01 | 华翔翔能科技股份有限公司 | Real-time perception power grid fault prevention system and method |
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2020
- 2020-05-14 CN CN202010409121.7A patent/CN111555325A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112881857A (en) * | 2021-01-11 | 2021-06-01 | 华翔翔能科技股份有限公司 | Real-time perception power grid fault prevention system and method |
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Application publication date: 20200818 |