KR20220051514A - Solar photovoltaic power station monitoring method - Google Patents

Abstract

The present invention relates to a solar photovoltaic power station monitoring method. In accordance with the present invention, the solar photovoltaic power station monitoring method includes the steps of: enabling an RTU to collect state information on a solar photovoltaic power facility and generation amount data of a solar photovoltaic power station to store the information and the data in a memory and wirelessly transmit the information and the data to a monitoring server; enabling the monitoring server to wirelessly receive the state information on the solar photovoltaic power facility and the generation amount data of the solar photovoltaic power station, wirelessly transmitted from the RTU; enabling the monitoring server to analyze the state information on the solar photovoltaic power facility and the generation amount data of the solar photovoltaic power station to diagnose the occurrence of various problematic situations including a power failure, a device failure, a landslide, and a fire; enabling the monitoring server to predict event situations including a power failure, a device failure, a landslide, and a fire in accordance with the diagnosis result; when an event situation occurs, enabling the monitoring server to output a specific signal corresponding to an event type and issue an alarm; and enabling the monitoring server to provide all sorts of information and data including the state information about the solar photovoltaic power facility and the generation amount data of the solar photovoltaic power station. Therefore, the present invention is capable of saving communication fees without the need for a separate Internet line.

Description

Solar photovoltaic power station monitoring method

The present invention relates to a photovoltaic power plant monitoring method, and more particularly, by remotely checking the data set in relation to the photovoltaic power plant operation and the state of the RTU (Remote Terminal Unit) to predict and detect the occurrence of an event, and appropriately It relates to a solar power plant monitoring method that can cope with it.

Photovoltaic Power Generation is a power generation method that produces electricity by converting sunlight into direct current electricity. do.

As the demand for renewable energy increases, the production of solar cells and solar cell arrays is also increasing significantly, and currently, solar power generation systems are being built in a grid-connected type.

In particular, many countries, including Australia, Germany, Israel, Japan and the United States, are expanding the installation of solar power generation facilities by supporting financial incentive policies such as preferential standard price mandatory purchase system and price offsetting system for solar electricity. .

Solar power generation is spotlighted as an alternative energy source in the future because it can be used semi-permanently, maintenance is simple by using solar cells, and uses a pollution-free and limitless solar energy source.

However, in order to produce large-capacity photovoltaic electricity, a large number of photovoltaic panels must be installed in a large area. It is not possible to determine whether the efficiency of power generation is declining or not.

Accordingly, efficient monitoring technology for photovoltaic power generation facilities is emerging in order to ensure efficient operation of the photovoltaic power generation system.

On the other hand, Korean Patent Application Laid-Open No. 10-2014-0137991 (Patent Document 1) discloses a "solar power generation monitoring method and monitoring system", and the monitoring method according to this is a plurality of solar power plants connected to each other. Receiving each remote data from one monitoring server from the RTU (Remote Terminal Unit); verifying the transmitted remote data in the monitoring server; and transmitting an RTU control value based on the verification result to each RTU.

In the case of Patent Document 1 as described above, as monitoring of a plurality of photovoltaic power plants using wireless communication becomes possible, there is an advantage in that the monitoring information transmission equipment can be efficiently operated without being affected by various environmental problems. However, since there is no separate analysis process for RTU-related errors, it is difficult to determine what RTU-related errors are.

Korean Patent Publication No. 10-2014-0137991 (published on Dec. 3, 2014)

The present invention was created to improve the problems of the prior art as described above, by analyzing the communication data packet between the RTU and the inverter and between the RTU and the server, storing it in the memory and transmitting it to the server, and then analyzing the information in the memory An object of the present invention is to provide a photovoltaic power plant monitoring method capable of predicting and coping with the occurrence of similar errors related to the RTU by identifying what the errors related to the RTU are.

In order to achieve the above object, the solar power plant monitoring method according to the present invention is a remote terminal unit (RTU) that collects, stores, and transmits state information about photovoltaic facilities and power generation data of the photovoltaic power plant, and from the RTU. A solar power plant monitoring method based on a photovoltaic power plant monitoring system including a monitoring server that receives and analyzes the transmitted state information and power generation data to diagnose the occurrence of various problem situations, including blackouts, device failures, landslides, and fires,

a) collecting state information about the photovoltaic power generation facility and the amount of power generation data of the photovoltaic power plant by the RTU, storing it in a memory, and wirelessly transmitting the data to the monitoring server;

b) wirelessly receiving the state information about the photovoltaic facility and the amount of power generation data of the photovoltaic power plant wirelessly transmitted from the RTU by the monitoring server;

c) diagnosing occurrence of various problem situations including blackouts, equipment failures, landslides, and fires by analyzing the state information of the solar power generation facilities received by the monitoring server and the generation amount data of the solar power plants;

d) predicting, by the monitoring server, an event situation including a power outage, equipment failure, landslide, and fire according to the diagnosis result;

e) when an event situation occurs, outputting a specific signal corresponding to the event type by the monitoring server and generating an alarm; and

f) It is characterized in that it includes the step of providing various information and data including state information about the photovoltaic power generation facility and the amount of power generation data of the photovoltaic power plant to the customer by the monitoring server.

Here, when an event occurs on the solar power plant side in step a), the event is based on the state information about the photovoltaic power generation facility stored in the memory by the RTU and the power generation amount data of the photovoltaic power plant analyzing;

The method may further include performing corresponding processing by itself according to the type of event analyzed by the RTU.

In addition, it is possible to analyze the communication data packet between the RTU and the inverter and between the RTU and the monitoring server by the RTU in step a), store it in a memory, and transmit it to the monitoring server.

In addition, by the monitoring server in step c), the state information on the solar power generation facility, the generation amount data of the solar power plant, image information captured by a camera installed at the power plant site, weather and meteorological information from the outside, and The method may further include generating big data based on various information and data including information on the amount of power generation.

At this time, the monitoring server also analyzes data based on the big data, and based on preset worker information, the nearest worker (operator smartphone) who can solve the inverter field determined to have a problem It searches and matches workers, creates a guide map (electronic map) where the inverter with the problem is located and provides it to the worker’s smartphone, and guides the worker on the optimal route to reach the destination on the guide map (electronic map) It may further include the step of

In addition, in providing various information and data including state information about the photovoltaic power generation facility and the amount of power generation data of the photovoltaic power plant to the customer by the monitoring server in step f), the customer accesses and wants information or data It is possible to obtain necessary information or data by downloading and executing the monitoring app by providing a web address (site) for receiving the information and a monitoring app for download.

According to the present invention, by analyzing the communication data packet between the RTU and the inverter and between the RTU and the server, storing it in the memory and transmitting it to the server, and later analyzing the information in the memory to determine what the error related to the RTU is, the RTU It has the advantage of being able to predict and deal with similar errors related to .

In addition, it is possible to remotely check the data set in relation to the operation of the photovoltaic power plant and the state of the RTU, which has the advantage of reducing the manpower and time applied to the field.

In addition, since the RTU can maintain high communication sensitivity even inside a building or enclosure, information and data related to solar power generation can be collected smoothly. There are advantages to doing.

1 is a view schematically showing the overall configuration of a photovoltaic power plant monitoring system employed for the implementation of the photovoltaic power plant monitoring method according to the present invention.
2 is a view showing the internal configuration of the RTU of the solar power plant monitoring system shown in FIG.
3 is a view showing the external configuration of the RTU of the solar power plant monitoring system shown in FIG.
4 is a view showing the internal configuration of the monitoring server of the solar power plant monitoring system shown in FIG. 1 .
5 is a flowchart illustrating an execution process of a method for monitoring a solar power plant according to the present invention.
6 to 9 are views showing various screen displays according to the execution of a monitoring app employed for implementation of the solar power plant monitoring method according to the present invention.

The terms or words used in the present specification and claims should not be construed as limited to their ordinary or dictionary meanings, and the inventor may appropriately define the concept of the term in order to best describe his invention. Based on the principle, it should be interpreted as meaning and concept consistent with the technical idea of the present invention.

Throughout the specification, when a part "includes" a certain element, it means that other elements may be further included, rather than excluding other elements, unless otherwise stated. In addition, terms such as “…unit”, “…group”, “module”, and “device” described in the specification mean a unit that processes at least one function or operation, which is hardware or software or a combination of hardware and software. can be implemented as

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

1 is a view schematically showing the overall configuration of a photovoltaic power plant monitoring system employed to implement the photovoltaic power plant monitoring method according to the present invention.

1, the solar power plant monitoring system 100 is RTU (Remote Terminal Unit) (110); and a monitoring server 120 .

RTU (Remote Terminal Unit) 110 is installed in the photovoltaic power plant and is electrically connected to an inverter that converts direct current electricity generated by the photovoltaic device into alternating current electricity, and is a data collecting device for the photovoltaic power plant and inverter. State information and power generation data of the solar power plant are collected, stored, and wirelessly transmitted to the outside (here, to the monitoring server 120).

Monitoring server 120 wirelessly communicates with the RTU 110, receives wirelessly transmitted status information and power generation data from the RTU 110, and analyzes the received status information and power generation data to prevent power outages, device failures, It diagnoses the occurrence of various problem situations including landslides and fires, and provides various information and data to customers (eg, business owners, construction companies, safety managers, etc.). Here, such a monitoring server 120 may be configured as a general computer system.

In addition, the RTU 110, as shown in FIG. 2, performs communication with the photovoltaic power generation facility 105 (refer to FIG. 1), and generates data and power outages of the photovoltaic power plant, inverter failure, various an internal communication unit 210 serving as a data collection unit for collecting status information of solar power generation device elements including sensor failure; a server communication unit 220 serving as a data transmission unit for wirelessly transmitting generation amount data of the photovoltaic power plant and state information of photovoltaic device elements to the monitoring server 120 (refer to FIG. 1); And it may be configured to include a control unit 230 for controlling the status check and operation of all components of the RTU (110) including the internal communication unit 210 and the server communication unit 220.

Here, preferably, the RTU 110 as described above is a memory ( 240) and; When an event occurs on the solar power plant side, an event analysis unit 250 for analyzing an event based on the amount of power generation data of the photovoltaic power plant stored in the memory 240 and the state information of the photovoltaic device elements; and performing a corresponding process (eg, lowering the cut-off switch to cut off connection with an external system) according to the type of event analyzed by the event analysis unit 250 (eg, a power outage of a solar power plant) It may further include an event processing unit 260 to

In addition, the internal communication unit 210 of the RTU 110 uses at least one of RS485 communication 211 , Ethernet communication 212 , Wifi communication 213 method, the inverter of the solar power plant or It may be configured to receive signals from an environmental sensor and a fire detection sensor installed at the power plant site.

In addition, the server communication unit 220 of the RTU 110 uses at least one of LTE communication 221 , LoRa communication 222 , and WCDMA communication 223 method to generate data and solar power generation device of the solar power plant. It may be configured to wirelessly transmit the status information of the elements to the monitoring server 120 .

In addition, the RTU 110, as shown in FIG. 3, the internal communication unit 210, the server communication unit 220 and the control unit 230 are built into the body of the main body constituting the main body of the device. Bu (110m) and; a communication antenna 111 for a modem installed on one side of the main body 110m and for communication with the monitoring server 120; a modem status display unit 112 for displaying the status of the modem in different colors (eg, when power is applied, a red LED is turned on, and when connected to a base station, a green LED is also turned on); a data transmission switch 113 for data transmission to the monitoring server 120; a debug (Debug) port 114 for the development or maintenance of RTU equipment; an ISP port 115 for updating firmware; a reset switch 116 for restarting the RTU 110; a power connection terminal 117 for connection of an adapter for supplying power to the RTU 110; an inverter connection port 118 for communication with the inverter of the solar power plant; And it may be configured to include a status display unit 119 for displaying various states of the RTU 110, such as power adapter connection, battery charging, communication with the monitoring server, data transmission and reception and communication with the inverter. Here, the data transmission switch 113 transmits data to the monitoring server 120 when the button is pressed while the communication modem is connected to the base station, but transmits the data 30 seconds after power is applied, and thereafter, every 10 minutes send data to

In addition, the status display unit 119 may be composed of LEDs of various colors, and can display a given meaning by being lit for each color as shown in Table 1 below.

name explanation PWR (Green) On when power adapter is connected BAT (red) Lights up when the battery is being charged BAT (Green) Turns on when the battery is fully charged SVR (red) On when there is a problem communicating with the server TX (red) On when sending data to the inverter RX (yellow) On when receiving data from the inverter ERR (red) Turns on when there is a problem with the RTU such as communication with the inverter.

Here, preferably, the main body portion 110m of the RTU 110 may further include a temperature sensor for detecting the temperature of the inverter and an electrostatic sensor for detecting a blackout state of the solar power plant.

In addition, the monitoring server 120, as shown in FIG. 4, the power generation data of the photovoltaic power plant transmitted by the server communication unit 220 of the RTU 110 and the state information of the photovoltaic device elements, a data/information collecting unit 121 for receiving image information captured by a camera installed at a power plant site, weather and meteorological information from the outside, and power generation amount information; The data/information collection unit 122 collects the power generation data of the solar power plant and the state information of the photovoltaic device elements, the image information captured by the camera installed at the power plant site, and the weather and meteorological information from the outside a big data generating unit 122 for generating big data based on various information and data including information on the amount of power generation; and a worker who can analyze data based on the big data generated by the big data generating unit 122 and solve the inverter field determined to have a problem while analyzing the data based on preset worker information, that is, It searches the worker's smartphone to match the worker, creates a guide map (electronic map) where the problematic inverter is located and provides it to the worker's smartphone, and allows the worker to reach the destination on the guide map (electronic map). It may be configured to include an artificial intelligence unit 123 that guides the optimal path.

Here, preferably, the monitoring server 120 analyzes the state information of the photovoltaic device elements received through the data/information collecting unit 121 to include power outages, device failures, landslides, and fires. an event prediction/sensing unit 124 for predicting an event situation and outputting a corresponding specific signal (eg, a specific current or frequency signal, an infrared signal, or a sound wave signal, etc.) when the event situation occurs; and an alarm unit 125 that receives a specific signal from the event prediction/detection unit 124 and generates an alarm.

In addition, the data / information collection unit 121 of the monitoring server, the generation information collection unit (121a) for collecting the data of the amount of power generation of the photovoltaic power plant transmitted from the RTU 110 and the state information of the photovoltaic device elements Wow; an image collecting unit 121b for collecting image information captured by a camera installed at a power plant site; and a related information collecting unit 121c that collects information related to power generation, including weather and weather information and power generation amount information from the outside.

The solar power plant monitoring system 100 according to the present invention having the configuration as described above is installed in a photovoltaic power plant and is electrically connected to an inverter that converts direct current electricity generated by the photovoltaic device into alternating current electricity (RTU 110) collects state information about the solar power plant and inverter and the amount of power generation data of the solar power plant, stores it in the memory 240 and wirelessly transmits it to the monitoring server 120 . At this time, the control unit 230 of the RTU 110 analyzes the communication data packet between the RTU 110 and the inverter and stores it in the memory 240 , and transmits it to the monitoring server 120 through the server communication unit 220 .

Then, the monitoring server 120 wirelessly receives the state information and power generation data wirelessly transmitted from the RTU 110, and communication data packet analysis information between the RTU 110 and the inverter, and the received state information and data packet analysis information It analyzes and diagnoses the occurrence of various problem situations, including power outages, equipment failures, landslides, and fires, and provides various information and data to customers (business owners, construction companies, safety managers).

In a series of processes as described above, the artificial intelligence unit 123 of the monitoring server 120 analyzes data based on the big data generated by the big data generation unit 122, and based on the preset worker information, It searches for a worker who can solve the inverter field determined to have a problem, that is, a worker smartphone, which is nearby, and matches the worker, and creates a guide map (electronic map) where the inverter with the problem is located to the worker smartphone is provided, and the operator guides the optimal route to reach the destination on the guide map (electronic map). In addition, the event prediction/detection unit 124 of the monitoring server 120 analyzes the state information of the solar power generation device elements received through the data/information collection unit 121 to determine a power outage, a device failure, a landslide, or a fire. Predicting an event situation including, and outputting a corresponding specific signal (eg, a specific current or frequency signal, infrared signal, or sound wave signal, etc.) when the event situation occurs, the alarm unit 125 is an event prediction / It receives a specific signal from the detection unit 124 and generates an alarm. Accordingly, the system administrator or operator will understand the situation and take appropriate action.

Then, the solar power plant monitoring method according to the present invention based on the solar power plant monitoring system having the above configuration will be described below.

5 is a flowchart illustrating an execution process of a method for monitoring a solar power plant according to an embodiment of the present invention.

Referring to FIG. 5, the solar power plant monitoring method according to the present invention collects, stores, and transmits state information about the photovoltaic facility 105 (refer to FIG. 1) and the amount of power generation data of the photovoltaic power plant (RTU) Terminal Unit) 110 and the monitoring server 120 that receives and analyzes the state information and power generation data transmitted from the RTU 110 to diagnose the occurrence of various problem situations including power failure, equipment failure, landslide, and fire. As a photovoltaic power plant monitoring method based on the photovoltaic power plant monitoring system 100 including, first, by the RTU 110, the state information about the photovoltaic power plant 105 and the data of the photovoltaic power generation amount are collected and the memory ( 240) (refer to FIG. 2) and wirelessly transmitted to the monitoring server 120 (step S501).

Then, the state information about the photovoltaic facility and the amount of power generation data of the photovoltaic power plant wirelessly transmitted from the RTU 110 by the monitoring server 120 are wirelessly received (step S502).

And by analyzing the state information about the photovoltaic power generation facility received by the monitoring server 120 and the power generation data of the photovoltaic power plant, it diagnoses the occurrence of various problem situations including blackouts, equipment failures, landslides, and fires ( step S503).

In addition, the monitoring server 120 predicts an event situation including a power outage, equipment failure, landslide, and fire according to the diagnosis result (step S504).

When an event situation occurs, a specific signal (for example, a specific current or frequency signal, an infrared signal or a sound wave signal, etc.) corresponding to the event type is output by the monitoring server 120 and an alarm is generated (step S505) ).

Thereafter, by the monitoring server 120, various information and data including state information about the solar power generation facility and the amount of power generation data of the solar power plant are provided to customers (eg, business owners, construction companies, safety managers) ( step S506).

In the photovoltaic power plant monitoring method according to the present invention as described above, when an event occurs on the photovoltaic power plant side in step S501, the sunlight stored in the memory 240 by the RTU 110 Analyzing an event based on the state information on the power generation facility and the amount of power generation data of the photovoltaic power plant; According to the type of event analyzed by the RTU 110 (eg, a power outage of a solar power plant), the corresponding processing (eg, lowering the disconnect switch to disconnect the connection with an external system) is performed by itself. It may further include the step of performing.

In addition, in the step S501, the RTU 110 and the inverter (refer to FIG. 1) by the RTU 110 and the RTU 110 and the monitoring server 120 to analyze the communication data packet between the analysis server 120 and stored in the memory (240) and may be transmitted to the monitoring server 120 .

In addition, in step S503, by the monitoring server 120 (more precisely, the big data generating unit 122 in the monitoring server 120), the state information for the solar power generation facility 105 and the amount of power generation data of the solar power plant , may further include the step of generating big data based on various information and data including image information captured by a camera installed at a power plant site, weather and meteorological information from the outside, and power generation amount information.

At this time, the data is analyzed based on the big data by the monitoring server 120 (more precisely, the artificial intelligence unit 123 in the monitoring server 120), and based on the preset worker information, the closest , it searches for a worker (operator smartphone) who can solve the inverter field determined to have a problem and matches the worker, creates a guide map (electronic map) where the problematic inverter is located and provides it to the worker smartphone , it may further include the step of guiding the optimal route for the operator to reach the destination on the guide map (electronic map).

In addition, in providing various information and data including state information about the photovoltaic facility and the amount of power generation data of the photovoltaic power plant to the customer by the monitoring server 120 in the step S506, the customer accesses the desired information Alternatively, a web address (site) through which data can be provided and a monitoring app for download may be provided to obtain necessary information or data by downloading and executing the monitoring app.

6 to 9 are views showing various screen displays according to the execution of the monitoring app employed for the implementation of the solar power plant monitoring method according to the present invention.

Referring to FIG. 6 , first, the customer accesses a specific site provided by the applicant (inventor) of the present invention or a related company using his/her terminal (eg, PC or smartphone), downloads and executes the monitoring app make it

Then, a basic screen is displayed as shown in (A) of FIG. 6 , and various information can be checked by dragging up and down on the basic screen. At this time, you can also check various information by pressing the menu button on the upper left on the screen of (A). In addition, as shown in (B), each menu touch unit provides various functions such as the basic screen, monthly power generation displayed on a calendar, search by date, error information check, alarm and information setting, basic screen configuration setting and change, and logout. .

7 shows a calendar view in the menu, and as shown in FIG. 7(A) , the overall weather and detailed development information of the corresponding date can be inquired for each month. In addition, as shown in (B) of FIG. 7 , it is possible to check the amount of generation and the amount of generation for each hour on the detailed screen.

8 is a report from the menu, and as shown in FIG. 8 (A), you can inquire the development history by a desired date and month, and enlarge/reduce and touch the graph as shown in FIG. 8 (B) to view the detailed details can be checked Accordingly, it is possible to compare each inverter at a glance.

9 shows the display of error information in the menu, and error information of the power plant can be inquired. Such error information inquiry is performed in the same way as the report inquiry in FIG. 8 .

As described above, the solar power plant monitoring method according to the present invention analyzes the communication data packet between the RTU and the inverter and between the RTU and the server, stores it in the memory and transmits it to the server, and analyzes the information in the memory later to analyze the information in the memory to be related to the RTU By identifying what the error is, there is an advantage in predicting and coping with the occurrence of a similar error related to the RTU.

In addition, it is possible to remotely check the data set in relation to the operation of the photovoltaic power plant and the state of the RTU, which has the advantage of reducing the manpower and time applied to the field.

In addition, since the RTU can maintain high communication sensitivity even inside a building or enclosure, information and data related to solar power generation can be collected smoothly. There are advantages to doing.

As mentioned above, although the present invention has been described in detail through preferred embodiments, the present invention is not limited thereto, and it is common in the art that various changes and applications can be made without departing from the technical spirit of the present invention. self-explanatory to the technician. Accordingly, the true protection scope of the present invention should be construed by the following claims, and all technical ideas within the equivalent scope should be construed as being included in the scope of the present invention.

100: solar power plant monitoring system
110: RTU 120: monitoring server
121: data/information collection unit 122: big data generation unit
123: artificial intelligence unit 124: event prediction / detection unit
125: alarm unit
210: internal communication unit 220: server communication unit
230: control unit 240: memory
250: event analysis unit 260: event processing unit

Claims (6)

RTU (Remote Terminal Unit) that collects, stores, and transmits status information about solar power facilities and power generation data of solar power plants, and receives and analyzes status information and power generation data transmitted from RTU to prevent power outages, device failures, A solar power plant monitoring method based on a solar power plant monitoring system including a monitoring server for diagnosing occurrence of various problem situations including landslides and fires,
a) collecting state information about the photovoltaic power generation facility and the amount of power generation data of the photovoltaic power plant by the RTU, storing it in a memory, and wirelessly transmitting the data to the monitoring server;
b) wirelessly receiving the state information about the photovoltaic facility and the amount of power generation data of the photovoltaic power plant wirelessly transmitted from the RTU by the monitoring server;
c) diagnosing occurrence of various problem situations including blackouts, equipment failures, landslides, and fires by analyzing the state information of the solar power generation facilities received by the monitoring server and the generation amount data of the solar power plants;
d) predicting, by the monitoring server, an event situation including a power outage, equipment failure, landslide, and fire according to the diagnosis result;
e) when an event situation occurs, outputting a specific signal corresponding to the event type by the monitoring server and generating an alarm; and
f) A photovoltaic power plant monitoring method comprising the step of providing, by the monitoring server, various information and data, including state information about the photovoltaic power plant facility and the amount of power generation data of the photovoltaic power plant, to the customer.
According to claim 1,
When an event occurs on the photovoltaic power plant side in step a), the event is analyzed based on the state information about the photovoltaic facility stored in the memory by the RTU and the amount of power generation data of the photovoltaic power plant step;
The method of monitoring a solar power plant further comprising the step of automatically performing a corresponding process according to the type of event analyzed by the RTU.
According to claim 1,
A solar power plant monitoring method for analyzing and storing a communication data packet between the RTU and the inverter and between the RTU and the monitoring server by the RTU in step a) in the memory, and transmitting it to the monitoring server.
According to claim 1,
In step c), by the monitoring server, the status information on the solar power generation facility and the amount of power generation data of the solar power plant, the image information captured by the camera installed at the power plant site, the weather and weather information from the outside, and the power generation amount A solar power plant monitoring method further comprising the step of generating big data based on various information and data, including information.
5. The method of claim 4,
The monitoring server analyzes data based on the big data, and based on preset worker information, searches for a worker (operator smartphone) who can solve the inverter field determined to have a problem and is closest to the worker , creating a guide map (electronic map) where the problematic inverter is located, providing it to the worker's smartphone, and guiding the operator the optimal route to reach the destination on the guide map (electronic map). Solar power plant monitoring method further comprising.
According to claim 1,
In the step f), in providing the customer with various information and data including state information about the solar power generation facility and the amount of power generation data of the solar power plant by the monitoring server, the customer accesses and provides the desired information or data A solar power plant monitoring method that provides a web address (site) to receive and a monitoring app for download, and downloads and runs the monitoring app to acquire necessary information or data.

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