KR102601868B1 - System for managing solar power generation device, method for managing solar power generation device, and computer readable storage medium - Google Patents

Abstract

The solar power generation device management system of the present invention includes a solar power generation unit; An energy storage unit that receives a power signal from the solar power generation unit and includes a secondary battery capable of charging the received power signal; A load configured to operate by receiving a power signal discharged from the energy storage unit; A communication unit connected to the solar power generation unit, the energy storage unit, and the load to enable wired or wireless communication, receives status information of the solar power generation unit, the energy storage unit, and the load, and transmits the received information to the outside through a communication network; Receive status information of the solar power generation unit, energy storage unit, and load from the communication unit, and each of the solar power generation unit, energy storage unit, and load based on the status information of the solar power generation unit, energy storage unit, and load received from the communication unit. A central management server that generates operation control signals; and receiving status information of the solar power generation unit, energy storage unit, and load from the central management server, and generating user input data based on the status information of the solar power generation unit, energy storage unit, and load received from the central management server. It is provided with a user terminal, and the central management server is based on status information of the solar power generation unit, energy storage unit, and load received from the communication unit and user input data received from the user terminal. Generates each operation control signal.

Description

Solar power generation device management system, solar power device management method, and computer readable storage medium

The present invention relates to a solar power generation device management system, and more specifically, to manage solar power generation and indoor consumption in each house and trade of solar energy with other houses through inter-device communication. It concerns management systems and management methods.

Recently, as climate change and global warming intensify, environmental pollution caused by the use of fossil fuels is increasingly recognized as a serious social problem. In addition, the request to overcome the energy crisis caused by the depletion of fossil fuels is becoming an increasingly urgent issue and is gaining importance. Various efforts are being made to solve these environmental pollution and energy problems, and among them, research on the use of solar energy as a highly safe and infinitely clean energy source is very actively underway.

Previously, research on the utilization of solar energy tended to mainly focus on large-scale power generation. However, in recent years, interest in and research on solar power generation zero energy houses, that is, solar power generation energy self-sufficient houses, is gradually increasing to expand the use of solar energy and reduce energy consumption and carbon emissions in the housing sector. It's a trend. A solar power generation zero energy house refers to a house that is self-sufficient in energy using solar power without using fossil energy that emits greenhouse gases.

Meanwhile, in recent years, with the development of wired and wireless communication, various devices have been equipped with communication functions, and these devices are often controlled remotely through wired and wireless communication. In relation to solar power generation energy self-sufficient houses, it is required to control energy facilities and devices related to solar power generation through wired and wireless communication. In particular, with the advent of the Internet of Things era, things connected to each other based on the Internet exchange information with each other and automatically perform necessary control operations on their own without user intervention based on the exchanged information. The cases are gradually increasing. For residential solar energy facilities and devices, there is a need to ensure active information exchange and automated operation control between related devices.

In addition, research and utilization of solar power-type energy self-sufficient houses is still limited to solar power generation in each house and indoor use of the solar energy generated accordingly, and management and management of surplus solar energy generated in the house. Utilization, for example, supply of surplus solar energy to other homes, etc. is not possible. Therefore, there is a need to provide more efficient energy management methods for multiple homes, not just energy self-sufficiency in a given home.

Therefore, in relation to residential solar energy facilities or devices, there is a need for a system and method that enables information exchange through wired and wireless communication and automated operation control between these facilities or devices. In addition, a centralized management system and management method for solar energy that not only allows solar energy generated in one house to be efficiently consumed within the house, but also supplies surplus solar energy to other houses. This is needed.

According to one feature of the present invention, a solar power generation device management system is provided. According to the present invention, the solar power generation device management system includes a solar power generation unit including a solar cell panel, and a secondary battery capable of receiving a power signal from the solar power generation unit and charging the received power signal. It includes a storage unit and a load configured to operate by receiving a power signal discharged from the energy storage unit. According to the present invention, the solar power generation device management system is also connected to the solar power generation unit, the energy storage unit, and the load to enable wired or wireless communication, and is connected to the solar power generation unit, the energy storage unit, and the load. It includes a communication unit that receives status information and transmits the received information to the outside through a communication network. Furthermore, according to the present invention, the solar power generation device management system receives status information of the solar power generation unit, the energy storage unit, and the load from the communication unit, and the solar power generation unit and the energy received from the communication unit. Calculate information about the expected amount of surplus or insufficient energy of the energy storage unit based on the status information of the storage unit and the load, and calculate the solar power according to the calculated information about the expected amount of surplus or insufficient energy of the energy storage unit. It includes a central management server that generates operation control signals for each of the power generation unit, the energy storage unit, and the load. According to the present invention, the solar power generation device management system receives status information of the solar power generation unit, the energy storage unit, and the load from the central management server, and receives status information of the solar power generation unit, the energy storage unit, and the load from the central management server. Receive information about the expected amount of surplus or insufficient energy of the energy storage unit calculated based on status information of the storage unit and the load, and receive information about the solar power generation unit, the energy storage unit, and the energy storage unit received from the central management server. and a user terminal that generates user input data based on load status information and information about an expected amount of surplus or insufficient energy of the energy storage unit received from the central management server. The central management server calculates the energy based on status information of the solar power generation unit, the energy storage unit, and the load received from the communication unit, and status information of the solar power generation unit, the energy storage unit, and the load. An operation control signal for each of the solar power generation unit, the energy storage unit, and the load is generated based on information about the expected amount of surplus or insufficient energy of the storage unit and the user input data received from the user terminal.

According to an embodiment of the present invention, the status information includes one or more of the power generation amount of the solar power generation unit, the power generation environment, and power generation history, the amount of charging energy of the energy storage unit and the remaining amount of power that can be additionally charged, and the current power consumption of the load. can do.

According to an embodiment of the present invention, the solar power generation device management system may further include a bidirectional inverter connected to an energy storage unit and an external power grid to exchange power. The bidirectional inverter may be connected to the communication unit for wired or wireless communication, receive an operation control signal from the communication unit, and operate to exchange power between the energy storage unit and the external power grid.

According to an embodiment of the present invention, according to the control signal for the bidirectional inverter, the bidirectional inverter receives a direct current voltage signal from the energy storage unit, converts it into a predetermined alternating current voltage signal, and transmits it to the external power grid or inverts it from the external power grid. It may be operable to receive an alternating current voltage signal, convert it into a predetermined direct current voltage signal, and transmit it to the energy storage unit.

According to one embodiment of the present invention, the solar power generation unit, the energy storage unit, and the two-way inverter may be installed in a residential building.

According to one embodiment of the present invention, the control signal generated by the central management server may include a control signal regarding the supply of surplus energy for the solar power generation unit, the energy storage unit, and the load to an external power grid. You can.

According to one embodiment of the present invention, the external power grid may be a public power line installed by a power generation business or power exchange.

According to one embodiment of the present invention, the load may include an electric boiler or an electric vehicle charging device.

According to one embodiment of the present invention, the solar power generation device management system may further include a user interface configured to be communicatively connected to the control unit. According to the present invention, the user interface may include a display unit configured to display at least one of status information, and an input unit configured to receive a user input for at least one of a solar power generation unit, an energy storage unit, and a load.

According to another feature of the present invention, there is a method of managing a solar power generation device including a solar power generation unit, an energy storage unit, and a load, which is performed on a computer, wherein the solar power generation unit, the energy storage unit, and the load are managed. and receiving status information by wired or wireless communication. According to the present invention, status information of the solar power generation unit, the energy storage unit, and the load is received, and the energy storage unit based on the received status information of the solar power generation unit, the energy storage unit, and the load is received. Comprising the step of calculating information about the expected amount of surplus or insufficient energy, wherein the received status information of the solar power generation unit, the energy storage unit, and the load and the calculated expected amount of surplus or insufficient energy of the energy storage unit Transmitting information regarding to a user terminal, wherein the user terminal receives status information of the solar power generation unit, the energy storage unit, and the load, and information regarding the expected amount of surplus or insufficient energy of the energy storage unit. It may include generating user input data based on the user input data, and receiving the user input data from the user terminal. According to the present invention, the surplus of the energy storage unit is calculated based on status information received from the solar power generation unit, the energy storage unit, and the load, and status information of the solar power generation unit, the energy storage unit, and the load. or generating operation control signals for each of the solar power generation unit, the energy storage unit, and the load based on information about the expected amount of insufficient energy and the user input data received from the user terminal.

According to another feature of the present invention, a computer-readable storage medium storing a computer program including one or more instructions that can be executed by a computer, wherein the one or more instructions, when executed by the computer, cause the computer to perform the above-described aspects. Perform a method of managing a photovoltaic device.

A system and method are provided that enable information exchange and automated operation control between residential solar energy facilities or devices through wired or wireless communication. In addition, a centralized management system and management method for solar energy that not only allows solar energy generated in one house to be efficiently consumed within the house, but also supplies surplus solar energy to other houses. This is provided.

Figure 1 is a diagram schematically showing the configuration of a centralized solar energy management system according to an embodiment of the present invention.
FIG. 2 is a block diagram schematically showing the detailed configuration of the solar power generation and energy management unit shown in FIG. 1.
Figure 3 is a functional block diagram schematically showing the internal configuration of the central management server.
Figure 4 is a block diagram schematically showing the detailed configuration of a solar power generation and energy management unit according to another embodiment of the present invention.

Embodiments of the present invention will be described in detail with reference to the accompanying drawings. Below, detailed descriptions of already known functions and configurations will be omitted if it is judged that there is a risk of unnecessarily obscuring the gist of the present invention. In addition, it should be noted that the content described below only relates to one embodiment of the present invention and the present invention is not limited thereto.

Figure 1 is a diagram schematically showing the configuration of a centralized solar energy management system 100 according to an embodiment of the present invention. As shown, the solar energy management system 100 includes solar power generation and energy management units 102a-102n, a communication network 104, a central management server 106, a user terminal 108, and an external power grid 110. ) includes.

The solar power generation and energy management units 102a-102n may be equipment installed in each house, etc. to enable power generation using solar power and utilization of solar energy in the house. Although not specifically shown in FIG. 1, each of the solar power generation and energy management units 102a-102n includes a circuit for consuming or storing energy generated by solar power generation, along with equipment for solar power generation. can do.

As shown in FIG. 1, each of the solar power generation and energy management units 102a-102n is connected to each other through an external power grid 110. Each of the solar power generation and energy management units 102a - 102n may supply AC power to the external power grid 110 or receive AC power from the external power grid 110 . According to one embodiment of the present invention, the external power grid 110 may be a power wiring network that connects solar power generation and energy management units 102a to 102n to exchange power with each other. According to another embodiment of the present invention, the external power grid 110 may be a power grid installed by a power generation business such as KEPCO.

Each of the solar power generation and energy management units 102a-102n may be connected to the central management server 106 and the user terminal 108 through the communication network 104. According to one embodiment of the present invention, the communication network 104 may be a wired or wireless Internet including LAN, MAN, and WLAN, but is not limited thereto. In addition, the communication network 104 may be any of various wired or wireless communication networks that can be thought of by those skilled in the art.

The central management server 106 receives various sensing or measurement information from each solar power generation and energy management unit (102a-102n), such as the current power generation amount of each solar power generation and energy management unit, and the current power generation environment (e.g., the current power generation environment). time, sunrise and sunset data, weather data, etc.), power generation history to date (e.g., total production, daily production under each environmental condition, etc.), currently stored charging energy amount, remaining energy that can be stored, current power consumption, One or more information such as supply or reception history of surplus power may be collected. The central management server 106 calculates predicted data such as expected power generation, expected consumption, and expected remaining energy for each solar power generation and energy management unit (102a-102n) based on big data analysis based on the collected information. can do. The central management server 106 may also generate command signals related to operation control of each solar power generation and energy management unit 102a-102n based on the collected information and prediction data calculated accordingly. For example, the central management server 106 determines which solar power generation and energy management unit (102a-102n) has generated surplus energy, based on information collected from each solar power generation and energy management unit (102a-102n). By determining whether generation will occur and how much of the surplus energy will be supplied to the external power grid 110, a command accordingly can be sent to each corresponding solar power generation and energy management unit 102a-102n.

According to one embodiment of the present invention, the central management server 106 may communicate with the user terminal 108 through the communication network 104. The central management server 106 may provide, for example, one or more of the information collected from each solar power generation and energy management unit 102a-102n to the user terminal 108 and receive user input from the user terminal 108. Data can be received. According to one embodiment of the present invention, the user terminal 108 may be various user handheld devices such as cell phones, notebooks, and laptops, but the present invention is not limited thereto. According to one embodiment of the present invention, the user terminal 108 may be an operator terminal that manages the central management server 106.

The central management server 106 may generate and transmit signals that control the operation of each unit of the solar power generation and energy management units 102a-102n based on the collected information and predicted data calculated accordingly. According to one embodiment of the present invention, the central management server 106 makes predictions based on user input data received from the user terminal 106 along with information collected from each solar power generation and energy management unit 102a-102n. Data, etc. can be calculated, and signals that control the operation of each part of the solar power generation and energy management units 102a-102n can be generated and transmitted accordingly. As described above, the control signals generated by the central management server 106 may be control signals for the solar power generation and energy management units 102a-102n and the supply of surplus energy to the external power grid 110. . According to one embodiment of the present invention, the central management server 106 may be a server operated by a local power generation business or power exchange that manages energy trading. However, it should be noted that the present invention is not limited thereto.

Hereinafter, with reference to FIG. 2, the internal configuration and operation of the solar power generation and energy management unit 102 will be described. FIG. 2 is a block diagram schematically showing the detailed configuration of the solar power generation and energy management unit 102 shown in FIG. 1. As shown, the solar power generation and energy management unit 102 includes a solar cell unit 202, an energy storage unit 204, a DC power load 206, a bidirectional inverter 208, and an AC power load 210. , a communication unit 212, and a user interface 214.

The solar cell unit 202 may include an array of a plurality of solar cell panels (not specifically shown). Each solar cell panel of the solar cell unit 202 can receive sunlight and continuously generate enormous electrical energy through the photoelectric effect. Although not specifically shown, according to one embodiment of the present invention, the solar cell unit 202 also includes a panel support device that can adjust the direction and angle of the solar cell panels so that the solar cell panels follow the movement of the sun. can do.

As shown, the solar cell unit 202 may be connected to the communication unit 212 to enable wired or wireless communication. According to an embodiment of the present invention, the solar cell unit 202 may include information about the state of the solar cell panel (e.g., information such as current temperature, amount of light, sunrise and sunset times, etc., but is not limited thereto). Can be measured and transmitted to the communication unit 212. The communication unit 212 can receive information about the state of the solar cell panel from the solar cell unit 202 and transmit the received information to the central management server 106 through the communication network 104. The central management server 106 controls the solar cell unit based on information received from each solar power generation and energy management unit 102a-102n and/or data preset in the central management server 106 and user input data. A control signal for the panel support device 202 may be generated. The generated control signal is transmitted to the solar cell unit 202 through the communication network 104 and the communication unit 212, and the panel support device of the solar cell unit 202 adjusts the direction and angle of the solar cell panels according to the received control signal. It can be adjusted.

The energy storage unit 204 may be connected to the solar cell unit 202 for power. Energy storage 204 may also be power coupled to a load 206 for DC power. The energy storage unit 204 may be connected to the communication unit 212 through wired or wireless communication.

Although not specifically shown, the energy storage unit 204 may include secondary batteries connected in series or parallel. According to one embodiment of the present invention, the energy storage unit 204 may include, for example, a lithium iron phosphate secondary battery. According to another embodiment of the present invention, the energy storage unit 204 may include a sodium sulfate secondary battery, a nickel-cadmium battery, a lead storage battery, a nickel-hydrogen battery, a lithium-ion battery, a lithium polymer battery, etc. . The energy storage unit 204 may include an appropriate type and number of secondary batteries depending on required power capacity, design conditions, etc.

Although not specifically shown, according to one embodiment of the present invention, the energy storage unit 204 may also include a bidirectional DC/DC converter. According to one embodiment of the present invention, the energy storage unit 204 is communicatively connected to the communication unit 212 and can receive an operation control signal from the communication unit 212. The energy storage unit 204 may operate in a charging mode or a discharging mode according to an operation control signal received from the communication unit 212. When the energy storage unit 204 operates in the charging mode, according to the received operation control signal, the energy storage unit 204 receives the direct current voltage from the solar cell unit 202 or the external power grid through the bi-directional inverter. It can be operated to charge the secondary battery of the energy storage unit 204 by transforming the voltage (a detailed description of this will be provided later) to an appropriate level through a bidirectional DC/DC converter. When the energy storage unit 204 operates in the discharge mode, the energy storage unit 204 may discharge the voltage stored in the secondary battery according to the operation control signal received from the communication unit 212. According to the received operation control signal, the voltage signal discharged from the secondary transducer of the energy storage unit 204 is converted to an appropriate voltage through the bidirectional DC/DC converter of the energy storage unit 204 and supplied to the DC power load 206. may be supplied, or may be supplied to a bidirectional inverter 208, which will be described later.

The DC power load 206 may be connected to the energy storage unit 204 and receive power supplied from the energy storage unit 204. According to one embodiment of the present invention, the DC power load 206 may be various household electronic devices or vehicle charging devices. According to one embodiment of the present invention, the load 206 for DC power may be, for example, an electric boiler, but the present invention is not limited thereto.

The DC power load 206 may also be connected to the communication unit 212 for wired or wireless communication. The DC power load 206 may measure information about the status of the DC power load 206 and transmit it to the communication unit 212. For example, when the DC power load 206 is an electric boiler, information about the on/off state, output temperature, amount of electricity used, etc. of the load 206 may be transmitted to the communication unit 212. When the DC power load 206 is a vehicle charging device, information about the charging state, charging power amount, charging time, etc. of the load 206 may be transmitted to the communication unit 212.

The two-way inverter 208 can be connected to the communication unit 212 through wired or wireless communication and receive an operation control signal from the communication unit 212. The bidirectional inverter 208 may also be power-connected to the energy storage unit 204 and may be power-connected to the external power grid 110. The bi-directional inverter 208 may be power coupled to a load 210 for AC power.

According to one embodiment of the present invention, the bidirectional inverter 208 receives a direct current voltage signal from the energy storage unit 204 according to the operation control signal received from the communication unit 212, and transforms it into a predetermined alternating current voltage. It can be supplied to the AC power load 210. According to another embodiment of the present invention, the bidirectional inverter 208 receives a direct current voltage signal from the energy storage unit 204 according to the operation control signal received from the communication unit 212 and transforms it into a predetermined alternating current voltage. Thus, it can be supplied to an external power grid. According to another embodiment of the present invention, the bidirectional inverter 208 receives an alternating current voltage signal from the external power grid 110 according to a control signal from the communication unit 212, and converts it into a direct current voltage of an appropriate voltage to generate energy It can be transmitted to the storage unit 204. Although not shown, the bidirectional inverter 208 may include a filter to remove harmonics from the alternating current voltage received from the external power grid, and the phase of the alternating current voltage output from the bidirectional inverter 208 and the alternating current voltage of the external power grid may be adjusted. It may include a phase-locked loop to synchronize the phases.

The AC power load 210 is connected to the bidirectional inverter 208 and can receive power supplied from the energy storage unit 204. According to one embodiment of the present invention, the AC power load 206 may be various household electronic devices, etc. The AC power load 210 may also be connected to the communication unit 212 to enable wired or wireless communication. The AC power load 206 may measure information about the status of the AC power load 206 and transmit it to the communication unit 212.

As described above, the communication unit 212 includes a solar cell unit 202, an energy storage unit 204, a DC power load 206, a bidirectional inverter 208, an AC power load 210, and a user interface 214. Each can be connected to enable wired or wireless communication. The communication unit 212 receives information about the status of each of the solar cell unit 202, the energy storage unit 204, the DC power load 206, the bidirectional inverter 208, and the AC power load 210. This can be done, and the received information can be transmitted to the central management server 106 through the communication network 104. As described above, the central management server 106 controls each part of the solar power generation and energy management unit 102, that is, the solar cell unit 202, based on the received information and/or preset data, user input data, etc. ), the energy storage unit 204, the DC power load 206, the bidirectional inverter 208, and the AC power load 210, respectively. For example, as described above, the central management server 106 operates the solar cell unit 202 to maximize the amount of solar power generation, based on the status information received from the solar cell unit 202, for example, the solar cell unit ( 202) can generate an operation signal to adjust the direction and angle of the solar cell panels. The central management server 106 provides an operation control signal for the energy storage unit 204, such as a signal indicating the charging mode or discharging mode, a signal indicating the direction of current flow for charging or discharging, and a duty ratio control signal for voltage conversion. etc. can be created. The central management server 106 may generate operation control signals for the bidirectional inverter 208, such as signals indicating the direction of current flow or voltage conversion in the bidirectional inverter 208. The communication unit 212 can receive the operation control signal generated by the central management server 106 through the communication network 104 and appropriately transmit it to each corresponding part.

As shown, the communication unit 212 may be connected to the user interface 216 to enable wired or wireless communication. The user interface 216 includes an input unit capable of receiving user input regarding each part of the solar power generation and energy management unit 102, and information regarding the status of each part of the solar power generation and energy management unit 102 to the user. It may include a display unit that can be shown to. According to one embodiment of the present invention, information received from the input unit of the user interface 216 may be transmitted to the communication unit 212. According to one embodiment of the present invention, the communication unit 212 may transmit information received from the user interface 216 to the central management server 106 through the communication network 104. According to one embodiment of the present invention, the user interface 216 may be a variety of mobile user devices, such as a user handheld device, cell phone, notebook, or laptop.

Figure 3 is a functional block diagram schematically showing the internal configuration of the central management server 106. As shown, the central management server 106 includes a communication unit 302, an information collection unit 304, a database 306, and a control signal generation unit 306.

The communication unit 302 may be communicatively connected to each of the solar power generation and energy management units 102a-102n through the communication network 104. The communication unit 302 may also be communicatively connected to the user terminal 108 through the communication network 104. The information collection unit 304 includes each part of each solar power generation and energy management unit 102a-102n, such as the solar cell unit 202, the energy storage unit 204, the DC power load 206, and the bidirectional inverter ( 208), status data measured from the AC power load 210, etc. can be collected through the communication unit 212 and the communication network 104. The information collection unit 304 may also collect user data input from the user terminal 108 through the communication network 104. All or part of the information collected by the information collection unit 304 may be stored in the database 306. The control signal generator 308 collects information collected by the information collection unit 304 and/or information stored in the database 306 (e.g., environmental information to date, historical data on power generation and consumption, user input information, etc. ), etc., predict the expected amount of power generation, expected amount of consumption, and expected amount of energy remaining in each unit, and operate for each part of each solar power generation and energy management unit 102a-102n based on the predicted information, etc. Control signals can be generated. According to one embodiment of the present invention, prediction information generated by the control signal generator 308 and information about the operation control signal may be stored in the database 306.

Figure 4 is a block diagram schematically showing the detailed configuration of a solar power generation and energy management unit 102' according to another embodiment of the present invention. The configuration shown in FIG. 4 is overall similar to the configuration shown in FIG. 2, but differs in the configuration of the communication unit 412 and the control unit 414. As shown in FIG. 2, the communication unit 212 receives information from each unit of the solar power generation and energy management unit 102 and transmits the received information to the central management server 106 through the communication network 104. In addition, it can operate to receive operation control signals for each unit from the central management server 106 and properly transmit them to each unit. As shown in FIG. 4, the solar power generation and energy management unit 102' further includes a control unit 414, and the control unit 414 controls Information can be received, and control signals for each part of the solar power generation and energy management unit 102' can be locally generated and transmitted based on the received information. As shown in FIG. 4, the control unit 414 can be communicated and connected to the communication unit 412, and the control unit 414 provides some of the collected information or prediction information locally calculated from the collected information. It can be selectively transmitted to the central management server 106 through the communication unit 412 and the communication network 104. For example, according to one embodiment of the present invention, the control unit 414 determines the surplus or insufficient energy predicted for the corresponding solar power generation and energy management unit 102' among the information calculated based on the information collected by itself. Only information about the bulk can be passed to the central management server 106 so that the central management server 106 only generates control signals regarding surplus energy transactions between solar power generation and energy management units. The control signal related to the generated energy transaction can be transmitted again to each part of the solar power generation and energy management unit 102' via the communication network 104, communication unit 412, and control unit 414. there is.

In this specification, it is mainly described in relation to the case where solar energy generation and management equipment is installed in a house, but it should be noted that the present invention is not limited thereto. The present invention can be applied not only to houses, but also to solar power generation facilities installed in various other facilities and buildings. Additionally, as will be appreciated by those skilled in the art, the present invention is not limited to the examples described herein, and may be variously modified, reorganized, and replaced without departing from the scope of the present invention.

For example, the operations of the central management server described above may be implemented with one or more computer programs executable by a general-purpose or dedicated microprocessor, micro-controller, etc. A computer program according to an embodiment of the present invention includes storage media readable by a computer processor, such as non-volatile memory such as EPROM, EEPROM, and flash memory devices, magnetic disks such as built-in hard disks and removable disks, magneto-optical disks, and It can be implemented as stored in various types of storage media, including CDROM disks, etc. All modifications and changes falling within the true spirit and scope of the present invention are intended to be encompassed by the scope of the following claims.

The present invention can be used in a solar power generation device management system.

102a-102n: Solar power generation and energy management unit
104: Communication network
106: Central management server
108: User terminal
110: external power grid
202: solar cell unit
204: Energy storage unit
206: Load for DC power
208: Bi-directional inverter
210: Load for AC power
212: Department of Communications
214: User interface
302: Department of Communications
304: Information Collection Department
306: database
308: Control signal generator
412: Department of Communications
414: User interface

Claims (11)

A solar power generation unit including a solar cell panel;
an energy storage unit that receives a power signal from the solar power generation unit and includes a secondary battery capable of charging the received power signal;
a load configured to operate by receiving a power signal discharged from the energy storage unit;
is connected to the solar power generation unit, the energy storage unit, and the load to enable wired or wireless communication, receives status information of the solar power generation unit, the energy storage unit, and the load, and transmits the received information through a communication network. A communication unit that transmits to the outside through;
Receive status information of the solar power generation unit, the energy storage unit, and the load from the communication unit, and store the energy based on the status information of the solar power generation unit, the energy storage unit, and the load received from the communication unit. Calculate information about the expected amount of surplus or insufficient energy, and control the operation of each of the solar power generation unit, the energy storage unit, and the load based on the calculated information about the expected amount of surplus or insufficient energy of the energy storage unit. A central management server that generates signals; and
Receive status information of the solar power generation unit, the energy storage unit, and the load from the central management server, and calculate the status information of the solar power generation unit, the energy storage unit, and the load from the central management server. Receive information about the expected amount of surplus or insufficient energy of the energy storage unit, based on status information of the solar power generation unit, the energy storage unit, and the load received from the central management server and Equipped with a user terminal that generates user input data based on the received information about the expected amount of surplus or insufficient energy of the energy storage unit,
The central management server calculates the energy based on status information of the solar power generation unit, the energy storage unit, and the load received from the communication unit, and status information of the solar power generation unit, the energy storage unit, and the load. Generating operation control signals for each of the solar power generation unit, the energy storage unit, and the load based on information regarding the expected amount of surplus or insufficient energy of the storage unit and the user input data received from the user terminal,
Solar power device management system. According to paragraph 1,
The status information includes one or more of the amount of power generated by the solar power generation unit, the power generation environment, and power generation history, the amount of charging energy of the energy storage unit and the remaining amount of power that can be additionally charged, and the current power consumption of the load.
Solar power device management system. According to paragraph 1,
Further comprising a two-way inverter connected to the energy storage unit and an external power grid to enable power exchange, respectively,
The bidirectional inverter is connected to the communication unit for wired or wireless communication, receives an operation control signal from the communication unit, and operates to exchange power between the energy storage unit and the external power grid. According to paragraph 3,
According to the control signal for the bidirectional inverter, the bidirectional inverter receives a direct current voltage signal from the energy storage unit, converts it into a predetermined alternating current voltage signal and transmits it to the external power grid, or receives an alternating current voltage signal from the external power grid. A solar power generation device management system operable to receive the signal, convert it into a predetermined direct current voltage signal, and transmit it to the energy storage unit. According to paragraph 3,
The solar power generation device management system, wherein the solar power generation unit, the energy storage unit, and the bidirectional inverter are installed in a residential building. According to paragraph 3,
The control signal generated by the central management server includes a control signal related to supply of surplus energy for the solar power generation unit, the energy storage unit, and the load to an external power grid. According to paragraph 3,
A solar power generation device management system in which the external power grid is a common power line installed by a power generation business operator or power exchange. According to paragraph 1,
The load includes an electric boiler or an electric vehicle charging device. According to paragraph 1,
It further includes a user interface configured to be communicatively connected to the communication unit, wherein the user interface includes a display unit configured to display at least one of the status information, and at least one of the solar power generation unit, the energy storage unit, and the load. A solar power generation device management system, comprising an input unit configured to receive user input. A method of managing a solar power generation device including a solar power generation unit, an energy storage unit, and a load, performed on a computer, comprising:
Receiving status information of the solar power generation unit, the energy storage unit, and the load through wired or wireless communication;
Receive status information of the solar power generation unit, the energy storage unit, and the load, and determine surplus or insufficient energy of the energy storage unit based on the received status information of the solar power generation unit, the energy storage unit, and the load. calculating information about expected quantities;
Transmitting the received status information of the solar power generation unit, the energy storage unit, and the load and the calculated information on the expected amount of surplus or insufficient energy of the energy storage unit to a user terminal;
generating, by the user terminal, user input data based on status information of the solar power generation unit, the energy storage unit, and the load, and information regarding an expected amount of surplus or insufficient energy of the energy storage unit;
Receiving the user input data from the user terminal; and
Status information received from the solar power generation unit, the energy storage unit, and the load, and the surplus or insufficient energy of the energy storage unit calculated based on status information of the solar power generation unit, the energy storage unit, and the load. Comprising the step of generating operation control signals for each of the solar power generation unit, the energy storage unit, and the load based on information about the mass and the user input data received from the user terminal.
How to maintain solar power devices. A computer-readable storage medium storing a computer program including one or more instructions that can be executed by a computer, wherein the one or more instructions, when executed by a computer, cause the computer to perform the method according to claim 10. , a computer-readable storage medium.