CN116667538B - Electricity consumption management system of household photovoltaic power station - Google Patents

Electricity consumption management system of household photovoltaic power station Download PDF

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Publication number
CN116667538B
CN116667538B CN202310909771.1A CN202310909771A CN116667538B CN 116667538 B CN116667538 B CN 116667538B CN 202310909771 A CN202310909771 A CN 202310909771A CN 116667538 B CN116667538 B CN 116667538B
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electricity
mode
storage battery
energy storage
power
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CN116667538A (en
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袁军
陈凤
何世龙
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Changzhou Sirui Electric Technology Co ltd
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Changzhou Sirui Electric Technology Co ltd
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • 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
    • H02J13/00001—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 the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • 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
    • H02J13/00002—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 monitoring
    • 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
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • 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
    • H02J3/008—Circuit arrangements for ac mains or ac distribution networks involving trading of energy or energy transmission rights
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381—Dispersed generators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • 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
    • H02J3/388—Islanding, i.e. disconnection of local power supply from the network
    • 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
    • H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/10—Power transmission or distribution systems management focussing at grid-level, e.g. load flow analysis, node profile computation, meshed network optimisation, active network management or spinning reserve management
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/10—The network having a local or delimited stationary reach
    • H02J2310/12—The local stationary network supplying a household or a building
    • H02J2310/14—The load or loads being home appliances
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/50—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads
    • H02J2310/54—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads according to a pre-established time schedule
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/50—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads
    • H02J2310/56—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads characterised by the condition upon which the selective controlling is based
    • H02J2310/62—The condition being non-electrical, e.g. temperature
    • H02J2310/64—The condition being economic, e.g. tariff based load management
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/10—Photovoltaic [PV]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers

Abstract

The application relates to a power consumption management system of a household photovoltaic power station, which comprises: a solar cell panel; a power grid; an inverter; the input end of the energy storage battery is connected with the solar panel, the output end of the energy storage battery is connected with the input end of the inverter, and the energy storage battery is interconnected with the power grid to realize bidirectional power transmission; the internet of things monitoring unit comprises a routing module and a plurality of collectors for collecting the electricity utilization state of each household electricity utilization load, and each collector is connected with the routing module; the data input end of the control management unit is connected with the internet of things monitoring unit, and the control management unit is also connected with the energy storage battery and the power grid; the control management unit sets a setting mode combining the electricity consumption history electricity consumption habit, an autonomous adjustment power supply mode for realizing load distribution, an automatic TOU mode configuration of an electric company and an automatic adjustment working mode of a photovoltaic power station, so that control diversity can be realized, meanwhile, the operation threshold of an operator is reduced, and a user can conveniently set and adjust.

Description

Electricity consumption management system of household photovoltaic power station
Technical Field
The application relates to the technical field of photovoltaic equipment control, in particular to a power consumption management system of a household photovoltaic power station.
Background
Photovoltaic grid-connected power generation starts in the beginning of the 80 s of the last century, and photovoltaic power generation is a technology for directly converting light energy into electric energy by utilizing the photovoltaic effect of a semiconductor interface, and a photovoltaic power generation device is formed by matching with a controller, electrical equipment and the like. The photovoltaic power station is a power generation system which is formed by utilizing solar energy and adopting special materials such as a crystal silicon plate, an inverter and other electronic elements, is connected with a power grid and can transmit power to the power grid, and the two most common power management modes of the photovoltaic power station are a maximum spontaneous self-use mode and a TOU mode. However, such a mode is inconvenient to set, and the mode cannot be well attached to the electricity utilization habit of the user, so that the normal electricity utilization of the user can be guaranteed, but the economic benefit (selling of electric energy to a power grid) is reduced, and the economic benefit can be improved, but the electricity utilization of the user cannot be guaranteed through photovoltaics.
Therefore, how to realize the balance between the self-use and the selling of electric energy of the household photovoltaic power station is the technical problem solved by the application.
Disclosure of Invention
The application aims to provide an electricity management system of a household photovoltaic power station, which can control the autonomous switching of the management mode of the photovoltaic power station and can meet the requirement of autonomous diversified control of users.
In order to achieve the above purpose, the application adopts the following technical scheme:
the application provides an electricity management system of a household photovoltaic power station, which comprises:
a solar cell panel;
a power grid;
the input end of the inverter is connected with the solar panel, and the output end of the inverter is connected with a household electric load and is used for supplying power to the household electric load;
the input end of the energy storage battery is connected with the solar panel, the output end of the energy storage battery is connected with the input end of the inverter, and the energy storage battery is interconnected with a power grid to realize bidirectional power transmission;
the internet of things monitoring unit comprises a routing module and a plurality of collectors for collecting the electricity utilization state of each household electricity utilization load, and each collector is connected with the routing module;
the data input end of the control management unit is connected with the Internet of things monitoring unit, and the control management unit is also connected with the energy storage battery and the power grid;
the control management unit is configured with a plurality of power utilization working modes, and working modes of the photovoltaic power station are respectively and correspondingly configured in the power utilization working modes.
For the above solutions, the applicant has further optimisation.
Optionally, the power utilization mode includes a power utilization habit adjustment mode, an autonomous adjustment mode, a load configuration mode and a TOU working mode, and the working mode of the photovoltaic power station is an off-grid mode, a grid-connected mode or a power generation priority mode.
Further, in the electricity habit adjustment mode, the control management unit controls the electric energy reserve of the energy storage battery according to the electricity history of the electricity load and the electricity expectation, and ensures that the photovoltaic power station is in a grid-connected mode.
Further, the control management unit counts the electricity consumption history of the electricity consumption load, calculates the average electricity consumption P on a single day as the electricity consumption expectation, and controls the electric energy reserve of the energy storage battery to be maintained in a state not lower than the average electricity consumption P on a single day.
Furthermore, the control management unit counts the electricity consumption history of the electricity consumption load, counts the maximum electricity consumption time period of a single day, and charges the energy storage battery through the solar cell panel or the power grid before entering the maximum electricity consumption time period, so that the electric energy reserve capacity of the energy storage battery is controlled to be maintained at a state not lower than the average electricity consumption P of the single day.
Optionally, if the maximum battery capacity of the energy storage battery is lower than the average daily power consumption P, the charge state of the energy storage battery is controlled to be maintained at 80% -90%.
Optionally, in the autonomous adjustment mode, a working mode of the photovoltaic power station is selected and configured in the control management unit according to a user instruction, so that the photovoltaic power station works in one of an off-grid mode, a grid-connected mode or a power generation priority mode.
Optionally, in the load configuration mode, the control management unit collects power consumption load information, clicks power consumption loads on an operation interface, sets working time of each power consumption load, calculates expected power consumption after setting, and adjusts the electric energy reserve of the energy storage battery according to the expected power consumption obtained through calculation.
Further, the operation interface is a touch display device configured in the control management unit.
Optionally, in the TOU operation mode, the control management unit keeps communication with the cloud server, downloads a TOU configuration table of the power company from the cloud, and automatically performs charge and discharge control of the local photovoltaic power station according to the TOU configuration table.
Due to the application of the technical scheme, compared with the prior art, the application has the following advantages:
the household photovoltaic power station electricity management system combines data acquisition of household electricity loads to realize electricity tracking of the household electricity loads, so that charging control of an energy storage battery is realized, normal power supply of the household electricity loads can be ensured, surplus electric energy can be ensured to be delivered to a power grid for sale, and benefit maximization is realized. In addition, the application sets the setting mode combining the electricity consumption history electricity consumption habit, the power supply mode for realizing the load distribution by automatic adjustment, the TOU mode automatic configuration of the power company and the working mode of the self-adjusting photovoltaic power station, can realize the control diversification, simultaneously reduces the operation threshold of operators, and is more convenient for the user to set and adjust.
Drawings
Some specific embodiments of the application will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:
fig. 1 is a functional block diagram of an electricity management system of a domestic photovoltaic power plant according to one embodiment of the present application.
Detailed Description
All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate an orientation or a positional relationship, and are merely for convenience of description and simplification of the description, but do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, the technical features of the different embodiments of the present application described below may be combined with each other as long as they do not collide with each other.
This embodiment describes an electricity management system of a domestic photovoltaic power station, as shown in fig. 1, which includes:
a solar cell panel;
a power grid;
the input end of the inverter is connected with the solar panel, and the output end of the inverter is connected with a household electric load and is used for supplying power to the household electric load;
the input end of the energy storage battery is connected with the solar panel, the output end of the energy storage battery is connected with the input end of the inverter, and the energy storage battery is interconnected with a power grid to realize bidirectional power transmission;
the internet of things monitoring unit comprises a routing module and a plurality of collectors for collecting the electricity utilization state of each household electricity utilization load, and each collector is connected with the routing module;
the data input end of the control management unit is connected with the Internet of things monitoring unit, and the control management unit is also connected with the energy storage battery and the power grid;
the control management unit is configured with a plurality of power utilization working modes, and working modes of the photovoltaic power station are respectively and correspondingly configured in the power utilization working modes.
Specifically, the above-mentioned electricity utilization operation modes include an electricity utilization habit adjustment mode, an autonomous adjustment mode, a load configuration mode and a TOU operation mode, and the operation mode of the photovoltaic power station is an off-grid mode, a grid-connected mode or a power generation priority mode.
In an embodiment, in the electricity habit adjustment mode, the control management unit controls the electric energy reserve of the energy storage battery according to the electricity history and the electricity expectation of the electricity load, and ensures that the photovoltaic power station is in a grid-connected mode.
In an embodiment, the control management unit counts the electricity consumption history of the electricity consumption load, calculates the average electricity consumption per day P as the electricity consumption expectation, and controls the electric energy storage capacity of the energy storage battery to be maintained in a state not lower than the average electricity consumption per day P.
Further, the control management unit counts the electricity consumption history of the electricity consumption load, counts the maximum electricity consumption time period of a single day, and charges the energy storage battery through the solar cell panel or the power grid before entering the maximum electricity consumption time period, so that the electric energy reserve capacity of the energy storage battery is controlled to be maintained in a state not lower than the average electricity consumption P of the single day.
In an embodiment, if the maximum battery capacity of the energy storage battery is lower than the average daily power consumption P, the state of charge of the energy storage battery is controlled to be maintained at 80% -90%.
In an embodiment, in the autonomous adjustment mode, a working mode of the photovoltaic power station is selectively configured in the control management unit according to a user instruction, so that the photovoltaic power station works in one of an off-grid mode, a grid-connected mode or a power generation priority mode.
In an embodiment, in the load configuration mode, the control management unit collects power consumption load information, clicks power consumption loads on an operation interface, sets working time of each power consumption load, calculates expected power consumption after setting, and adjusts the electric energy reserve of the energy storage battery according to the expected power consumption obtained through calculation.
Further, the operation interface is a touch display device configured in the control management unit.
The photovoltaic TOU technology combines electricity price and energy supply and demand conditions, guides a user to reduce electricity consumption in peak periods, and therefore optimizes energy supply and demand and manages power grid operation. In one embodiment of the present application, the control management unit is in the TOU operation mode, and the control management unit is in communication with the cloud server, and downloads the TOU configuration table of the power company from the cloud, and automatically performs charge and discharge control of the local photovoltaic power station according to the TOU configuration table.
In summary, the electricity management system of the household photovoltaic power station combines the data acquisition of the household electricity load to realize the electricity tracking of the household electricity load, thereby realizing the charge control of the energy storage battery, ensuring the normal power supply of the household electricity load and ensuring that the surplus electric energy can be sent to a power grid for selling, and realizing the maximization of benefits. In addition, the application sets the setting mode combining the electricity consumption history electricity consumption habit, the power supply mode for realizing the load distribution by automatic adjustment, the TOU mode automatic configuration of the power company and the working mode of the self-adjusting photovoltaic power station, can realize the control diversification, simultaneously reduces the operation threshold of operators, and is more convenient for the user to set and adjust.
The above embodiments are only for illustrating the technical concept and features of the present application, and are intended to enable those skilled in the art to understand the present application and to implement the same, but are not intended to limit the scope of the present application, and all equivalent changes or modifications made according to the spirit of the present application should be included in the scope of the present application.

Claims (7)

1. An electricity management system for a domestic photovoltaic power plant, comprising:
a solar cell panel;
a power grid;
the input end of the inverter is connected with the solar panel, and the output end of the inverter is connected with a household electric load and is used for supplying power to the household electric load;
the input end of the energy storage battery is connected with the solar panel, the output end of the energy storage battery is connected with the input end of the inverter, and the energy storage battery is interconnected with a power grid to realize bidirectional power transmission;
the internet of things monitoring unit comprises a routing module and a plurality of collectors for collecting the electricity utilization state of each household electricity utilization load, and each collector is connected with the routing module;
the data input end of the control management unit is connected with the Internet of things monitoring unit, and the control management unit is also connected with the energy storage battery and the power grid;
the control management unit is configured with a plurality of power utilization working modes, and each power utilization working mode is correspondingly configured with a working mode of a photovoltaic power station, wherein the power utilization working modes comprise a power utilization habit adjustment mode, an autonomous adjustment mode, a load configuration mode and a TOU working mode, and the working modes of the photovoltaic power station are an off-grid mode, a grid-connected mode or a power generation priority mode;
in the electricity habit adjustment mode, the control management unit controls the electric energy reserve of the energy storage battery according to the electricity history of the electricity load and the electricity expectation, and ensures that the photovoltaic power station is in a grid-connected mode, the control management unit calculates the average electricity consumption P of a single day as the electricity expectation, and controls the electric energy reserve of the energy storage battery to be maintained in a state not lower than the average electricity consumption P of the single day.
2. The electricity management system of claim 1, wherein the control management unit counts an electricity history of the electricity load, counts a maximum electricity usage period of a single day, and charges the energy storage battery through the solar panel or the power grid before entering the maximum electricity usage period, so that an electric energy reserve of the energy storage battery is controlled to be maintained in a state not lower than the average electricity consumption P of the single day.
3. The electricity management system of a domestic photovoltaic power station according to claim 1 or 2, wherein the state of charge of the energy storage battery is controlled to be maintained at 80% -90% if the maximum battery capacity of the energy storage battery is lower than the average power consumption per day P.
4. The electricity management system of a domestic photovoltaic power station according to claim 1, wherein in the autonomous adjustment mode, the operation mode of the photovoltaic power station is selected and configured in the control management unit according to a user instruction, so that the photovoltaic power station operates in one of an off-grid mode, a grid-connected mode, or a power generation priority mode.
5. The electricity management system of claim 1, wherein in the load configuration mode, the control management unit collects electricity load information, clicks the electricity loads on the operation interface, sets working time of each electricity load, calculates expected electricity consumption, and adjusts the electric energy reserve of the energy storage battery according to the calculated expected electricity consumption.
6. The electricity management system of claim 5, wherein the operation interface is a touch display device configured in a control management unit.
7. The power management system of the domestic photovoltaic power station according to claim 1, wherein in the TOU operation mode, the control management unit keeps communication with a cloud server, downloads a TOU configuration table of an electric company from the cloud, and automatically performs charge and discharge control of the local photovoltaic power station according to the TOU configuration table.
CN202310909771.1A 2023-07-24 2023-07-24 Electricity consumption management system of household photovoltaic power station Active CN116667538B (en)

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CN117154824A (en) * 2023-09-07 2023-12-01 江苏拓正茂源新能源有限公司 Control system of self-adaptation formula photovoltaic energy storage

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