KR20190143530A - System and method for managing solar power generator - Google Patents

Abstract

The present invention relates to a system and a method for managing a solar power generation facility. According to an embodiment of the present invention, a system for managing solar power generation facility comprises: an IoT device collecting data for management of a solar power generation facility; and a management server providing a user terminal with service information by analyzing and deriving the collected data for management, collecting generated solar power, and brokering a transaction through a power market. Thus, the system and the method can efficiently operate a solar power generation facility and mediate generated electricity.

Description

Solar power plant management system and its method {SYSTEM AND METHOD FOR MANAGING SOLAR POWER GENERATOR}

The present invention relates to a solar power plant management system and method thereof, and more particularly, to collect and analyze management data measured through an IoT device installed in a solar power plant through an Internet of Things (IoT) communication network. The present invention relates to a photovoltaic power generation facility management system and method for providing an integrated management system for photovoltaic power generation facilities installed nationwide.

In general, photovoltaic power generation facilities produce electricity with a capacity of 250 to 300W installed in apartment houses, such as apartments, which can be used at home for an average of 3.5 hours of operation.

Such solar power generation equipment is composed of a solar module and a panel, a balcony fixing device, a small inverter, and can be easily installed in a small space.

However, despite the fact that the installation area is gradually increasing, the solar power generation facilities have been recently introduced, so there is no plan for totally managing the amount of power generation and failure.

In particular, since the solar power generation facilities are mainly installed in general houses and apartments and are not easy to maintain, the management is required for the integrated management of power generation facilities installed nationwide.

In addition, small power resource owners-brokerage companies- ICT system needs to be established between power exchanges.

Therefore, in order to utilize the photovoltaic power generation facilities as a starting point for the development of new and renewable energy industry, there is a need for a method for the management to be integrated.

Republic of Korea Patent Publication No. 10-1764542 (Registered July 27, 2017)

It is an object of the present invention to collect and analyze management data measured through IoT devices installed in photovoltaic power generation facilities through the Internet of Things (IoT) communication network to provide management information for photovoltaic power generation facilities. The present invention provides a photovoltaic power generation facility management system and method for providing an integrated management system for photovoltaic power generation facilities.

Photovoltaic power generation facility management system according to an embodiment of the present invention, IoT device for collecting data for management of the solar power generation facility; And a management server for providing the service information generated by analyzing and deriving the collected management data to a user terminal, and collecting the photovoltaic power generated to broker a transaction through a power market.

The management server includes: an IoT data collector for collecting management data from the IoT device through an IoT communication network; An IoT data analyzer for analyzing the collected management data to derive service information for the photovoltaic power generation facility; An analysis result providing unit for providing a communication interface for providing the derived service information to the user terminal; And a power broker for brokering power transactions in the power market through the power exchange of the photovoltaic power generated based on the derived service information.

According to an embodiment, it may further include a storage unit for storing the management data and the service information.

The management data of the photovoltaic power generation facility may include at least one of power generation data of the photovoltaic power generation facility, weather data affecting photovoltaic power generation, and state monitoring data of the photovoltaic power generation facility.

The service information, the system limit price (SPM) of the power produced by the photovoltaic power generation equipment, the aging information of the solar module, the estimated power generation by weather conditions, the status information of the solar module, leakage of the solar module and inverter At least one of an alarm, a fire occurrence alarm of the solar module and the inverter may be included.

The IoT data analysis unit may grasp the inclination angle before the inclination adjustment of the solar module in advance and adjust the inclination of the solar module by reflecting the inclination adjustment angle necessary for the viewpoint.

The IoT data analyzer may transmit a control signal for an actuator of the IoT device.

The user terminal may include at least one of a customer terminal, a power supplier manager terminal, a local government manager terminal, and a maintenance company manager terminal operating the solar power plant directly.

In addition, the solar power plant management method according to an embodiment of the present invention, collecting the management data from the IoT device through an IoT communication network; Deriving service information on the photovoltaic power generation facility by analyzing the collected management data; And providing the derived service information to the user terminal, and brokering a power transaction in a power market through a power exchange of the photovoltaic power generated based on the derived service information.

The deriving step may include adjusting the inclination of the photovoltaic module by grasping the inclination angle before the inclination adjustment of the photovoltaic module in advance and reflecting the inclination adjustment angle necessary for the viewpoint.

The adjusting step may include transmitting a control signal for an actuator of the IoT device.

The mediation step may be to broker power transactions using power generation data of the photovoltaic power generation facility and system limit price (SPM) data of the generated power.

The present invention collects and analyzes management data measured through IoT devices installed in photovoltaic power generation facilities through the Internet of Things (IoT) communication network, and provides management information for photovoltaic power generation facilities. An integrated management system for the facility can be established and the efficient operation and generation power can be brokered.

1 is a view of a solar power plant management system according to an embodiment of the present invention,
2 is a view showing the management server of FIG.
3 is a diagram of a method for managing photovoltaic power generation facilities according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, in the following description and the accompanying drawings, detailed descriptions of well-known functions or configurations that may obscure the subject matter of the present invention will be omitted. In addition, it should be noted that like elements are denoted by the same reference numerals as much as possible throughout the drawings.

The terms or words used in the specification and claims described below should not be construed as being limited to the ordinary or dictionary meanings, and the inventors are properly defined as terms for explaining their own invention in the best way. It should be interpreted as meaning and concept corresponding to the technical idea of the present invention based on the principle that it can.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiments of the present invention, and do not represent all of the technical idea of the present invention, various modifications that can be substituted for them at the time of the present application It should be understood that there may be equivalents and variations.

In the accompanying drawings, some components are exaggerated, omitted, or schematically illustrated, and the size of each component does not entirely reflect the actual size. The invention is not limited by the relative size or spacing drawn in the accompanying drawings.

When any part of the specification is to "include" any component, this means that it may further include other components, except to exclude other components unless otherwise stated. In addition, when a part is "connected" with another part, this includes not only the case where it is "directly connected" but also the case where it is "electrically connected" with another element between them.

Singular expressions include plural expressions unless the context clearly indicates otherwise. The terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features, numbers, steps It is to be understood that the present invention does not exclude in advance the possibility of the presence or the addition of an operation, a component, a part, or a combination thereof.

In addition, the term "part" as used herein refers to a hardware component, such as software, FPGA or ASIC, and "part" plays certain roles. However, "part" is not meant to be limited to software or hardware. The “unit” may be configured to be in an addressable storage medium and may be configured to play one or more processors. Thus, as an example, a "part" refers to components such as software components, object-oriented software components, class components, and task components, processes, functions, properties, procedures, Subroutines, segments of program code, drivers, firmware, microcode, circuits, data, databases, data structures, tables, arrays and variables. The functionality provided within the components and "parts" may be combined into a smaller number of components and "parts" or further separated into additional components and "parts".

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a view of a solar power plant management system according to an embodiment of the present invention.

As shown in FIG. 1, a solar power plant management system according to an embodiment of the present invention is measured through an IoT device 12 installed in a solar power plant 10 through an Internet of Things (IoT) communication network. By collecting and analyzing management data and providing management information for the photovoltaic power generation facility 10, an integrated management system for the photovoltaic power generation facility 10 installed nationwide can be prepared.

As such, the photovoltaic power generation facility management system collects and analyzes management data measured by the IoT device 12 and the IoT device 12 for measuring management data necessary for the management of the photovoltaic power generation facility 10. It includes a management server 100 for providing the management information generated by the user terminal 20. Here, the IoT device 12 and the management server 100 is capable of data communication through the IoT communication network. The IoT network is a low power wide area (LPWA) network, and a standard technology such as NB-IoT (Narrow Band IoT) and non-standard Lora, Sigfox, and Wi-Sun are applied. Can be.

In addition, the manager using the user terminal 20 may be a person included in a power supplier, a local government and a maintenance company, as well as a customer who directly operates the solar power generation facility 10.

The manager may use the mobile-based user terminal 21 or the web-based user terminal 22 to utilize the management information for the photovoltaic facility 10. The management server 100 may be linked with the user terminal 20 through a general wired or wireless communication network. Here, the user terminal 20 is connected to the management server 100 is preferably mounted with an application (application) for using the management service for the photovoltaic facility 10 provided from the management server 100.

The photovoltaic power generation facility 10 may include a photovoltaic module 11 composed of a plurality of photovoltaic panels, a fixing device, an inverter, a socket and a cable, and the communication with the management server 100 through an IoT communication network. Possible IoT devices 12 are installed.

Then, the photovoltaic facility 10 converts the direct current (DC) of the power produced by the photovoltaic module 11 into alternating current (AC) through an inverter. The solar power plant 10 operates when the plug is connected to the outlet.

By the way, the photovoltaic power generation device 10 can be used immediately without charging or selling separately by supplying the produced power to the installation site first, but using the power generated by using a power storage device (eg, ESS, power storage device, etc.). It can be charged or sold to a power supplier using a grid connection.

The photovoltaic facility 10 can be installed anywhere, such as a roof, roof, veranda, flat of the house. At this time, the solar power plant 10 is assembled to the bracket structure for fixing at the installation point.

Then, the photovoltaic facility 10 is turned on in the daytime when the solar power generation is possible, and automatically turns off in the off state during the night or power failure when the solar power generation is not possible.

The IoT device 12 may include a sensor, an actuator, a power module, a device platform (processor / OS), a communication module, and the like, to monitor the solar power plant 10.

Through this, the IoT device 12 not only measures the amount of power generation data of the photovoltaic facility 10 and the weather data affecting the photovoltaic power generation, but also measures the state monitoring data of the photovoltaic facility 10.

First, the IoT device 12 measures power generation data of the photovoltaic power generation facility 10 using a power generation measurement sensor. Then, the management server 100 collects power generation data of the photovoltaic power generation facility 10 measured by the IoT device 12 through the IoT communication network.

As a result, the management server 100 analyzes the generation amount by hour / date using the generation amount data of the solar power generation facility 10 (System Marginal Price, SMP). ) Can be derived. Here, the system limit price refers to the time-phase price of the power produced by the photovoltaic facility 10 determined based on the power transaction price of the Korea Electric Power Exchange.

In addition, the management server 100 may analyze the degree of aging of the photovoltaic module 11 using the power generation data of the photovoltaic power generation facility 10. That is, the management server 100 may check the aging information of the photovoltaic module 11 by using a preset table for generating the generation amount per unit time, that is, the generation efficiency and the aging degree of the photovoltaic power generation facility 10.

The management server 100 may monitor the power generation data of the photovoltaic facility 10 in real time to check the system limit price in real time and inform the manager. In particular, the user operating the solar power plant 10 may determine whether to sell the generated power produced by the solar power plant 10 by checking the system limit price.

The IoT device 12 also measures weather data using temperature and solar radiation sensors. Here, the weather data corresponds to temperature and solar radiation data. Then, the management server 100 collects the weather data measured by the IoT device 12 through the IoT communication network.

As a result, the management server 100 may provide an expected generation amount for each future weather situation by analyzing the generation amount for each weather situation using weather data. The management server 100 stores and manages the generation amount data and the weather data because there is a close relationship between the generation amount data and the weather data.

In addition, the IoT device 12 measures the state detection data for the photovoltaic module 11 and the inverter for producing power of the photovoltaic facility 10 using the failure monitoring sensor. That is, the IoT device 12 monitors whether the solar module 11 and the inverter are operating normally, or monitors a leak or fire occurrence state.

Specifically, the IoT device 12 monitors whether the amount of power generation of the photovoltaic power generation facility 10 falls significantly against a preset threshold value, thereby managing the state monitoring data of the photovoltaic module 11 and the inverter. To pass. In this case, the management server 100 may check whether the solar module 11 operates normally by using the state monitoring data transmitted by the IoT device 12 through the IoT communication network.

 In addition, the IoT device 12 includes a film-type leak detection sensor inside the solar module 11 and the inverter to check whether the solar module 11 and the inverter are leaked, thereby preventing the solar module 11 and Delivers the leakage alarm of the inverter to the management server (100).

The IoT device 12 checks whether a fire occurs in the photovoltaic module 11 and the inverter by using a fire detection sensor installed around the photovoltaic module 11 and the inverter. The fire occurrence alarm is delivered to the management server (100).

In this case, the management server 100 may receive a leak occurrence alarm or fire occurrence alarm transmitted by the IoT device 12 through the IoT communication network and notify the manager in real time. Through this, the manager may respond in real time to the leakage or fire of the solar module 11 and the inverter.

On the other hand, the IoT device 12 has an actuator capable of adjusting the tilt of the photovoltaic module 11. Then, the management server 100 controls the actuator of the IoT device 12 so that the photovoltaic module 11 is directed perpendicular to the sun in consideration of the altitude of the sun at the installation point of the photovoltaic power generation facility 10. To adjust the inclination of the solar module 11. This management server 100 may adjust the inclination of the solar module 11 in consideration of the altitude of the sun that varies by season.

2 is a view showing the management server of FIG.

As shown in FIG. 2, the management server 100 includes an IoT data collector 110, an IoT data analyzer 120, an analysis result provider 130, a storage 140, and a power broker 150. It includes.

First, the IoT data collector 110 collects management data, that is, power generation data, weather data, and state monitoring data from the IoT device 12 through an IoT communication network.

To this end, the IoT data collector 110 collects and processes various types of data generated by a plurality of IoT devices 12 and processing functions capable of data communication with the IoT device 12 according to a standard applied to an IoT communication network. Big data collection and processing function can be installed. For example, the IoT data collector 110 may be equipped with a data collection and processing function based on hadoop as a big data processing tool.

Next, the IoT data analyzer 120 derives service information for providing a management service function of the photovoltaic facility 10 by analyzing various management data collected from the IoT data collector 110.

Specifically, the IoT data analyzer 120 derives a system limit price by using the power generation data collected from the IoT data collector 110, while aging the photovoltaic module 11 of the photovoltaic facility 10. Analyze the information. In this case, the IoT data analyzer 120 may predict the lifespan of the photovoltaic module 11 based on the degree of aging of the analyzed photovoltaic module 11.

In addition, the IoT data analyzer 120 analyzes the amount of power generated by the weather situation using the weather data collected from the IoT data collector 110. At this time, the IoT data analysis unit 120 may predict the expected power generation amount according to the weather forecast on the day based on the power generation amount for each weather situation analyzed in advance.

In addition, the IoT data analyzer 120 may determine whether the operation state of the solar module 11 is normal or abnormal using state monitoring data collected from the IoT data collector 110, or a leak occurrence alarm or fire may occur. The alarm can be activated.

As such, the IoT data analyzer 120 stores the analysis results for various data collected from the IoT data collector 110 in the storage 140, and then, in response to the request of the analysis result provider 130, the IoT data analyzer 120 stores the analysis results. Deliver the results of the analysis. In this case, the analysis result providing unit 130, upon request of the user terminal 20, requests the IoT data analysis unit 120 to transmit the analysis results for various data.

In addition, the power intermediary unit 150 brokers power transactions in the power market through the power exchange 30 through the photovoltaic power generated based on the service information. In this case, the power intermediary unit 150 brokers a power transaction using the generation amount data of the photovoltaic power generation facility included in the service information and the system limit price (SPM) data of the generated power.

On the other hand, the IoT data analysis unit 120 may transmit a control signal for the actuator of the IoT device 12 to the IoT device 12 when the tilt adjustment of the photovoltaic module 11 is necessary.

At this time, the IoT data analyzer 120 reflects the inclination angle necessary to grasp the inclination angle before the inclination adjustment of the photovoltaic module 11 in advance to generate the optimal power generation efficiency at the time. The tilt of the module 11 can be adjusted. The IoT data analyzer 120 may adjust the inclination of the solar module 11 at a time when the altitude of the sun is changed according to a seasonal season.

Next, the analysis result providing unit 130 provides a communication interface for enabling data communication with the user terminal 20 through a wired or wireless communication network. That is, the analysis result providing unit 130 is connected to the mobile-based user terminal 21 through a wireless communication network, and is connected to the web-based user terminal 22 through a wired communication network.

The storage 140 stores and manages management data and service information.

3 is a diagram of a method for managing photovoltaic power generation facilities according to an embodiment of the present invention.

The management server 100 collects management data from the IoT device 12 through the IoT communication network (S101). Here, the management data of the photovoltaic facility 10 is at least one of power generation data of the photovoltaic facility 10, weather data affecting photovoltaic power generation, and state monitoring data of the photovoltaic facility 10. Included.

In addition, the management server 100 derives service information for the photovoltaic facility 10 by analyzing the collected management data (S102). Here, the service information, the system limit price (SPM) of the power produced by the solar power generation equipment 10, the aging information of the solar module, the estimated power generation by weather conditions, the status information of the solar module, the solar module and the inverter At least one of a leak occurrence alarm of the solar module and a fire occurrence alarm of the inverter.

In this case, the management server 100 may grasp the inclination angle before the inclination adjustment of the photovoltaic module 11 in advance, and adjust the inclination of the photovoltaic module 11 by reflecting the inclination adjustment angle required at the time. The management server 100 transmits a control signal for the actuator of the IoT device 12 when adjusting the inclination of the solar module 11.

Thereafter, the management server 100 not only provides the derived service information to the user terminal 20, but also performs a small power intermediation function through the power exchange 30 (S103).

The method according to some embodiments may be embodied in the form of program instructions that may be executed by various computer means and recorded on a computer readable medium. The computer readable medium may include program instructions, data files, data structures, and the like, alone or in combination. Program instructions recorded on the media may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CDROMs, DVDs, and magnetic-optical such as floppy disks. Media, and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like.

Although the foregoing description has been focused on the novel features of the invention as applied to various embodiments, those skilled in the art will appreciate that the apparatus and method described above without departing from the scope of the invention. It will be understood that various deletions, substitutions, and changes in form and detail of the invention are possible. Accordingly, the scope of the invention is defined by the appended claims rather than in the foregoing description. All modifications within the scope of equivalents of the claims are to be embraced within the scope of the present invention.

10 solar power equipment 11 solar module
12: IoT device 20: user terminal
30: power exchange 21: mobile-based user terminal
22: web-based user terminal 100: management server
110: IoT data collection unit 120: IoT data analysis unit
130: analysis result providing unit 140: storage unit
150: power intermediary

Claims (14)

An IoT device for collecting data for management of the solar power plant; And
A management server for providing service information generated by analyzing and deriving the collected management data to a user terminal, and collecting the photovoltaic power generated to broker a transaction through a power market;
Solar power plant management system comprising a.
The method of claim 1,
The management server,
An IoT data collector for collecting management data from the IoT device through an IoT communication network;
An IoT data analyzer for analyzing the collected management data to derive service information for the photovoltaic power generation facility;
An analysis result providing unit for providing a communication interface for providing the derived service information to the user terminal; And
A power intermediation unit for brokering a power transaction in a power market through a power exchange of the photovoltaic power generated based on the derived service information;
Solar power plant management system comprising a.
The method of claim 2,
A storage unit for storing the management data and the service information;
Solar power plant management system further comprising.
The method of claim 2,
Data for management of the solar power plant,
And at least one of power generation data of the photovoltaic power generation facility, weather data affecting photovoltaic power generation, and state monitoring data of the photovoltaic power generation facility.
The method of claim 2,
The service information,
The system limit price (SPM) of the power produced by the photovoltaic power generation facility, the aging information of the solar module, the expected generation amount by weather situation, the status information of the solar module, the alarm of leakage of the solar module and the inverter, the solar module And at least one of a fire occurrence alarm of the inverter.
The method of claim 2,
The IoT data analysis unit,
A solar power generation equipment management system for determining the inclination angle before the inclination of the photovoltaic module in advance and adjusting the inclination of the photovoltaic module by reflecting the inclination adjustment angle required at the time.
The method of claim 6,
The IoT data analysis unit,
The solar power plant management system for transmitting a control signal for the actuator of the IoT device.
The method of claim 1,
The user terminal,
At least one of a customer terminal, a power supplier manager terminal, a local government manager terminal, a maintenance company manager terminal that directly operates the photovoltaic power generation equipment is included.
Collecting management data from the IoT device through an IoT communication network;
Deriving service information for the photovoltaic power generation facility by analyzing the collected management data; And
Providing the derived service information to the user terminal, and brokering a power transaction in a power market through a power exchange of the photovoltaic power generated based on the derived service information;
Solar power plant management method comprising a.
The method of claim 9,
Data for management of the solar power plant,
And at least one of power generation data of the photovoltaic power generation facility, weather data affecting photovoltaic power generation, and state monitoring data of the photovoltaic power generation facility.
The method of claim 9,
The service information,
The system limit price (SPM) of the power produced by the photovoltaic power generation facility, the aging information of the solar module, the expected generation amount by weather situation, the status information of the solar module, the alarm of leakage of the solar module and the inverter, the solar module And at least one of a fire occurrence alarm of the inverter.
The method of claim 9,
The derivation step,
A method of managing a solar power generation system, the method comprising: grasping an inclination angle before an inclination of a photovoltaic module in advance and reflecting a necessary inclination to adjust the inclination of the photovoltaic module.
The method of claim 12,
The adjusting step,
And transmitting a control signal for an actuator of the IoT device.
The method of claim 9,
The mediation step,
The power generation data management of the photovoltaic power generation system, and the power generation system using the system limit price (SPM) data of the power generated by the broker.

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