KR101793708B1 - Device for detecting unusual situation based on monitoring solar panel - Google Patents

Abstract

The present invention relates to an apparatus to measure abnormal situation by algorithm based on solar monitoring, which includes: a solar module which generates electricity by collecting sunlight incident from the outside; a connection board which collects and outputs a direct current produced from the solar module; a Korea electric power or commercial power consumer system which receives a direct current delivered through the connection board, converts the received direct current into an alternating current, and is supplied with the converted alternating current; a solar monitoring device which monitors the existence of abnormality of the solar module, the connection board, and a solar inverter; and a control unit which compares the amount of electricity generated from the solar module with the amount of electricity transmitted from the Korea electric power system and controls to supply power, which remains after being produced from the solar module and being used for the commercial power consumer, to the Korea electric power. The control unit notifies occurrence of abnormality to a manager terminal through a communication network when vibration information exceeds a predetermined value according to vibration information of structures of the solar module, the connection board, and the solar inverter delivered from the solar monitoring device.

Description

TECHNICAL FIELD [0001] The present invention relates to a measurement apparatus for an abnormal situation based on a solar monitoring,

More particularly, the present invention relates to a photovoltaic module for collecting sunlight incident from the outside to produce electricity. A connection panel for collecting and outputting a direct current produced from the solar module; A KEPCO or commercial power utility system receiving the DC current transmitted through the connection module and converting the received DC current into an AC current through a solar inverter; A solar photovoltaic module, a connection panel, and a photovoltaic monitoring device for monitoring an abnormality of the solar inverter; A controller for comparing power generated from the photovoltaic module with power transmitted from the Korean power system and controlling the power generated by the photovoltaic module to be used in the commercial power utilization system to be supplied to the Korean power system; Monitoring and detecting the abnormality of the photovoltaic module, etc., and informing the person in charge of the abnormality occurrence information in the event of an abnormality, thereby providing the person in charge with the abnormality of the photovoltaic power generation system in a short period of time, , And a solar cell monitoring-based abnormal situation algorithm-specific measuring device capable of preventing fire by pattern analysis through various information.

Recently, as environmental problems such as global warming become serious due to excessive use of fossil fuels, it is urgent to prepare measures to reduce carbon dioxide emissions internationally, and as an alternative, interest in renewable energy is increasing. In addition, green energy sources, including solar cells, have the advantage of not using fossil fuels that are limited to the earth, and the fact that they do not emit carbon dioxide gas, thus minimizing environmental pollution. These benefits include global warming and depletion of fossil fuels The importance of this matter is very high when considering the seriousness of modern people who have to prepare for the near future.

In the case of Korea, the promotion of renewable energy has been institutionalized with the solar power generation as the leading regulation to regulate carbon dioxide emission in recent years. Accordingly, the photovoltaic power generation system has been the main priority of renewable energy in recent years As a power generation system is recommended, a large number of power generation facilities and the infrastructure necessary for its operation have been developed. Currently, thousands of MW solar power generation facilities are being installed and operated in the field.

Such a solar cell module is installed on the roof of a building where a large amount of solar radiation can be obtained or directly exposed to sunlight at a quiet place such as a hill where a daylight right can be secured, so that an operator's access is usually not enough and a power generation system It is not realistic to check with the naked eye at the site where it is located. Therefore, automatic fault recognition for remote monitoring or power generation system becomes more important.

The patent application No. 10-2010-0060471 discloses a solar battery module including a plurality of solar battery modules for converting solar energy into electric energy and outputting the same, an inverter for converting power output from the plurality of solar battery modules, And monitoring and controlling the presence or absence of overvoltage, overcurrent, and reverse current in the circuit group to which each solar cell module is connected, a switching unit for shutting off the power according to the result of the monitoring, And a data collecting and monitoring device for collecting and monitoring data.

However, the PV technology related to the prior art has been developed focusing on improvement of the individual performance of each module constituting the photovoltaic power generation facility, and development of technology for improving the overall operational efficiency of the photovoltaic power generation facility Was almost impossible.

In addition, monitoring and string-specific surveillance devices for large solar power generation companies are currently being built, but monitoring and string-specific surveillance systems for small-sized (general household) solar power generation companies are extremely inadequate.

Korea Patent Publication No. 2012-0138866 Korean Patent No. 1238620 United States Patent No. 07772716

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a solar battery module capable of accurately measuring through the electric capacity produced from each solar power generator array and detecting the presence or absence of a solar module, And to provide a measurement device for each abnormal situation algorithm based on the photovoltaic monitor which can notify the occurrence of an abnormality sequentially to a plurality of administrator terminals through a communication network in case of abnormality.

In addition, the present invention monitors the vibration value of each situation by installing a vibration sensor in the north, south, east, south, and north, predicts the degree of fixation to the structure of the solar module, Based abnormal situation algorithm-specific measurement device.

In addition, the present invention relates to a method and apparatus for monitoring a solar-light-based abnormal situation algorithm, which is capable of comparing generation data with each other on the basis of a solar radiation sensor value by connecting a PLC communication network to a connection panel, The purpose of the device is to provide.

In addition, the present invention monitors the current by a non-contact magnetic field measuring method through a DC ammeter, and compares the generated amount with respect to the solar radiation amount, and statistically calculates the voltage and generated power value of each solar array measured through the solar radiation amount and the voltage / And it is an object of the present invention to provide a measurement device for each abnormal condition algorithm based on solar monitoring which can know in advance whether or not a fuse is short-circuited or abnormal for each solar module array.

According to an aspect of the present invention, there is provided a solar module comprising: a solar module that condenses sunlight incident from the outside to produce electricity; A connection panel for collecting and outputting a direct current produced from the solar module; A KEPCO or commercial power utility system receiving the DC current transmitted through the connection module and converting the received DC current into an AC current through a solar inverter; A solar photovoltaic module, a connection panel, and a photovoltaic monitoring device for monitoring an abnormality of the solar inverter; A controller for comparing power generated from the photovoltaic module with power transmitted from the Korean power system and controlling the power generated by the photovoltaic module to be used in the commercial power utilization system to be supplied to the Korean power system; And the control unit receives the vibration information of the vibration sensor among the sensors attached to the solar module, the connection panel, and the solar inverter structure received from the solar monitoring device, and when the vibration information exceeding the preset reference value is received, And notifies the administrator terminal of the occurrence of abnormal information.

The vibration sensor is installed in the array of the solar module to measure the vibration of the structure, and the degree of fixation is predicted to the structure of the solar module by algorithmizing the vibration value of the situation in the solar module, If the administrator who is already registered is not in the office or is not contacted within a predetermined period of time, it is determined that the manager terminal is in contact with the next manager terminal, and the presence / absence of the alarm message is set The number of alarms is adjusted by reflecting the schedule of the alarms.

The sensor module measures and compares the voltage, current, power, radiation amount, and time value of each of the solar modules with the sensor to determine a trend and a pattern of the abnormal situation for each solar array, , It is possible to specify in advance an array having a problem due to a contact failure.

      And further comprises means for installing a touch screen in each connection module and recognizing the module and array abnormal conditions and the power generation amount in the other connection modules associated with the connection module.

The current value for each array of the photovoltaic modules is monitored by a non-contact magnetic field measurement method to compare the generated amount with respect to the irradiation amount, and the fuse short-circuit and the module abnormality can be specified through the set reference value.

A PLC communication network is coupled to the connection module to monitor the data propagated along the communication network in real time to compare and analyze data values for each connection semi-array, thereby sharing the normal operation state for each connection semi-array in advance, .

If the administrator who is the first person to be alerted is absent or does not get in touch within a certain period of time, he / she is contacted to the administrator terminal in the next communication sequence Or to divide the rating of the administrator terminal so that the communication is made in the order of lowest or highest rating.

      And further includes means for preliminarily preventing fire by analyzing and algorithmizing the connection half internal temperature pattern with respect to the current value by comparing the temperature of each connection half.

The present invention as described above monitors and detects the abnormality of a solar module or the like and notifies a person in charge of abnormality occurrence information in the event of an abnormality, You can help them to take.

Further, according to the present invention, it is possible to previously analyze the connection panel internal temperature pattern with respect to the current value of each solar array and to follow the scheduled execution command so as to prevent fire in advance.

Further, the present invention is convenient because it is possible to share the generation amount data with respect to each connection half based on the irradiation amount sensor value, and to compare and analyze the data values of the connection half array.

Further, the present invention can correspond to an initial value since each data value is statisticalized and algorithmized so that the ideal or non-ideal for each solar array can be known in advance.

FIGS. 1A and 1B are diagrams showing an overall configuration of a photovoltaic power generation system and an API map based on a site, a power generation status, and an abnormal situation according to an embodiment of the present invention.
FIG. 2 is a view illustrating a touch screen attached according to an embodiment of the present invention. Referring to FIG.
3 is a view showing vibration sensors for grasping the fixed state of the solar array according to an embodiment of the present invention.
4 is a diagram illustrating a state in which data is shared by being connected to a PLC according to an embodiment of the present invention.
FIG. 5 is a view illustrating a state in which each measurement device measures a connection panel and a solar array according to an embodiment of the present invention. FIG.

For a better understanding of the present invention, a preferred embodiment of the present invention will be described with reference to the accompanying drawings. The embodiments of the present invention may be modified into various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. The present embodiments are provided to enable those skilled in the art to more fully understand the present invention. Therefore, the shapes and the like of the elements in the drawings can be exaggeratedly expressed to emphasize a clearer description. It should be noted that in the drawings, the same members are denoted by the same reference numerals. Further, detailed descriptions of well-known functions and configurations that may be unnecessarily obscured by the gist of the present invention are omitted.

The solar module 10, the connection panel 20, the solar inverter 30, the solar monitoring device 40, the KEPCO or the commercial system 50, the control unit 60, etc. .

The solar module 10 is a device that generates electricity by condensing sunlight incident from the outside.

The connecting board 20 is a device for collecting and outputting the direct current produced from the solar module 10.

That is, the control unit 20 receives the DC current transmitted through the connection unit 20, converts the received DC current into an AC current, and supplies the AC current to the Korean power or commercial power utilization system 50.

The solar inverter 30 receives the direct current transmitted through the connection unit 20, converts the received direct current into an alternating current, and transmits the alternating current to each Korean power or utility power system.

The photovoltaic monitoring device 40 monitors the internal temperature of the connection board 20, including the electrical, mechanical and environmental variables and system voltages associated with the solar module 10 or the connection board 20, Status, and so on.

The solar monitoring apparatus 40 may monitor and display the abnormality of the solar module 10, the connection panel 20 and the solar inverter 30 or may monitor the presence or absence of abnormality of the solar module 10 Power generation can be monitored based on API map.

The control unit 60 compares the amount of power generated from the solar module 10 with the amount of power transmitted from the Korean power system 50 and calculates the amount of power generated by the solar module 10, To the Korean power system (50), and the electricity generation amount is reduced in the Korean power system (50) to calculate the electricity usage fee.

The control unit 60 measures and compares the voltage, current, power, radiation amount, and time-based value of each photovoltaic array 10 including the photovoltaic module 10, You can find arrays that have problems due to solar module shadows, poor contact, and so on.

Data on the life of the connection panel 20 and the inverter 30, product specification information, date of installation, abnormality occurrence date, abnormality occurrence number, abnormality occurrence number, component repair date, ). ≪ / RTI >

Alternatively, as an embodiment of the present invention, the components of the photovoltaic apparatus may be classified into a group having a relatively high probability of occurrence of abnormality and a group having a relatively high probability of occurrence, based on abnormality occurrence details and repair history information of the connection panel 20, inverter 30, The probability of occurrence is classified into a group having a relatively low probability that the monitoring cycle and the order can be set to be different from each other.

1B, a sensor (not shown) is a device for detecting the presence or absence of abnormality of the solar module 10, the connection board 20, the solar inverter 30, and the like.

In addition, the present invention can display the position and failure state of the photovoltaic power generation facility based on the API map.

In other words, based on the API map, it is possible to monitor the power generation site, the location of the access panel, and the status of the access panel, and display the failure status for each solar array.

For example, as shown in the upper right image of FIG. 1B, the solar monitoring apparatus 40 detects the normal operation and failure state of the solar module 10, the connection panel 20, the solar inverter 30, For LED lighting, it is green when normal operation, and red when it is out of order.

As shown in FIG. 2, a touch screen 41 may be installed on the connection board 20 to view the status of another connection board associated with the current connection board 20, And can monitor the status of the connection terminals 20 from a web-based terminal to a personal terminal.

For example, a touch screen may be installed on each connection panel 20, and the module status, the abnormal state of the array, and the power generation amount may be recognized in the other connection panel 20 connected to the connection panel 20.

When the user touches the main menu screen of the status information monitoring main screen for each solar array in the solar monitoring device 40 and touches the connection board 20 of interest, the alarm transmission date, transmission time, , ≪ / RTI >

If the administrator who is the first person to be alerted is absent or does not get in touch within a certain period of time, he / she is informed to the administrator terminal of the next communication order You can choose to contact them, or you can choose to contact them in the order of lower or higher ratings by dividing the ratings of the administrator terminals.

According to another embodiment of the present invention, when the alarm message transmission setting screen and the alarm message transmission setting screen are selected on the touch screen 41 according to the fault information, the maximum number of alarms is set to be constant The number of alarms can be set to be less than the number of alarms in case of a specific manager's leave, and the number of alarms can be adjusted to a predetermined value or less when the working time is over.

When the fault information setting screen for each photovoltaic array is selected on the touch screen 41, the present invention can set whether to send an alarm message among the fault information set for each fault class.

For example, if the disability class manager is absent or does not get in touch within a certain period of time, the next disability class administrator can be controlled to contact the terminal sequentially.

As shown in FIG. 3, the controller 60 measures the vibrations of the structure, and alters the vibration values of the solar modules 10 according to the situation to predict the degree of fixation to the structure of the solar modules 10, A vibration sensor 70 may be installed to predict a position where the solar module 10 is in a fixed state.

As shown in the figure, when the control unit 60 determines that the fixed state is normal when the vibration sensors A, B, C, and D are 0.3G, 0.2G, 0.3G, and 0.3G, B, C, and D are 8.3G, 3.3G, 0.3G, and 0.3G, the fixed state is determined to be abnormal and an alarm (fault information) is sent to the alarm device 71.

Further, the present invention can detect an AC current, an AC voltage, a power factor, a frequency, a boosted AC current, an AC voltage, a power factor, a frequency, a temperature of the connection panel 20 and an abnormality output from the solar inverter 30 The sensor may further comprise a sensor.

The sensor is electrically connected to the solar module 10 and monitors vibrations of the structure to monitor and algorise the vibration value of the solar module 10 according to the situation to determine the degree of fixation to the structure of the solar module 10 And a vibration sensor may be installed in the north, south, east, and west sides to predict the position where the solar module 10 is in a fixed state.

As shown in FIG. 4, a PLC device (Power Line Communication) 75 may be coupled to the connection board 20 to compare and analyze data in real time and to transmit status values through PLC communication.

The PLC unit 75 is connected to the connection unit 20, and power generation amount data is shared with each connection unit on the basis of the irradiation amount sensor value, and the data values of the connection counter array can be compared and analyzed with each other.

5, the current value of each solar array is monitored by a non-contact magnetic field measurement method through the DC ammeter 82, and the generated amount is compared with the solar radiation amount. The solar radiation amount is measured through the voltage / watt- The voltage and power generation value of each solar array and the measurement value through the temperature sensor 84 are statistically analyzed and algorithmized to know whether the fuse is short-circuited or the solar module 10 is abnormal.

The solar light monitoring based abnormal situation algorithm-based measurement apparatus according to the present invention compares the voltage, current, power, insolation amount, and time value of each solar array sensed by the controller 60 with each sensor, A scheduling order and a pattern can be created using a corresponding algorithm, so that a solar array capable of causing problems due to module breakage, module shading, contact failure, etc. can be searched in advance or a countermeasure against various defects can be automatically established.

Also, by comparing the temperatures of the connection boards 20, the internal temperature pattern of the connection board 20 is analyzed with respect to the current value of each solar array, and an alarm is executed when the internal temperature pattern matches a pre-stored dangerous temperature pattern Fire prevention is possible in advance.

More specifically, the plurality of execution commands that are algorithmized based on the probability of occurrence of fire according to the internal temperature pattern in the control unit 60 may be stored in the storage table regardless of the execution order, but the execution command schedule unit of the control unit 60 The first execution command to be executed first is stored in the first storage in the storage table.

The execution command determination unit of the controller 60 compares the current state with the first execution command in the storage table.

If the controller 60 determines that the first execution command is similar to the first execution command, the first execution command is executed, and the execution command scheduler outputs a second execution command having a pointer value corresponding to the next execution order of the first execution command To the first position of the storage table, and to change the execution order pointer value according to the execution order of the execution commands, thereby scheduling the stored execution commands.

In one embodiment, the controller 60 determines whether there is a situation (a set of execution commands 2) that is the same as the situation (the set of execution commands 1) that the administrator has coped with in the failure occurrence alarm operation for each previous solar array , And if the same situation exists (matching of execution instruction sets 1 and 2), the alarm can be changed to reflect the previous fault occurrence alarm setting or fault occurrence alarm condition.

For example, the controller 60 compares the temperatures of the connection semiconductors through the above-described methods and analyzes the connection semiconduc- tor temperature pattern and algo- rithm with respect to the current value to prevent fire in advance.

Other than this, general alarm data included in the predetermined basic alarm data is transmitted. Here, too, the alarm data can be controlled to stop when the number of alarm data is equal to or greater than a predetermined value.

Therefore, according to the present invention, it is possible to prevent the fire in advance by analyzing the connection half internal temperature pattern in advance of the current value for each solar array and following a scheduled execution command.

State information for each solar array of the measuring apparatus for abnormal situation based algorithm according to the present invention can be collected at regular intervals, for example, 5 seconds, 10 seconds, 1 minute, and so on.

The present invention is a function for setting alarm notification data condition setting for each solar array, and the event level setting function can be configured as Information, Warning, Minor, Major, Critical (5 classes) 30 seconds, 60 seconds, 5 minutes, 10 minutes, 30 minutes, 1 hour, etc. can be set by repeating transmission period setting function. In addition, You can set 1, 3, 5 times with the transmission number setting function, and you can store more than 10 units with administrator terminal number setting function.

Further, according to the present invention, the controller (60) determines that it is necessary to change the alarm data according to the change control information previously input in the alarm data changing step, changes the setting and conditions of the alarm data, The alarm data is changed according to the control information.

In particular, if the same situation exists, the controller 60 determines whether there is a situation identical to the situation in which the manager has responded in the previous fault occurrence alarm operation. If the same situation exists, the controller 60 reflects the previous fault occurrence alarm setting or fault occurrence alarm condition, The data is changed.

Or the alarm data may be changed so that the items set by the user are applied in advance.

The change of the alarm data includes a step of stopping the driving of the alarm data, that is, preventing the alarm data from being outputted.

The control unit 60 receives the preset reference value and transmits the basic alarm data according to the setting condition when the contents of the functional deterioration / error / failure exceeds the reference set value, and stops the control when the constant / abnormal alarm data is transmitted can do.

The solar monitoring apparatus 40 according to an exemplary embodiment of the present invention may further include a condition comparison module and a result storage module similar to the setting condition changing module.

The setting condition changing module of the solar monitoring device 40 connected to the control unit 60 changes settings according to conditions of each group, region, and type through the touch screen, and changes the settings according to group, Transmits repeated messages by type.

For example, in the case of a group-specific condition, there may be a condition that after repeating the phrase every three minutes, if there is no confirmation message or response, stop repeating the phrase, .

The same status comparison module of the control unit 60 sets basic alarm data for each solar array by group, region, and type and, in order to check whether the current alarm data state is the same as the basic alarm data for each solar array, Comparison of the alarm data status and the status of the existing alarm data stored in the result module (for example, comparison of texts such as degradation / error / failure) or resolution procedure (when the specific solar array function is degraded, And the like), and if the same or similarity is equal to or more than the standard%, the alarm data including the situation that the manager has previously responded to in the resolution procedure is transmitted, and the alarm data includes the contents of the alarm data Or image information including a coping strategy may be included.

10: Photovoltaic module
20: Connection board
30: Solar Inverter
40: Solar monitoring device
41: Touch screen
50: KEPCO or commercial system
60:
70: Vibration sensor
71: Alarm device
75: PLC device
82: DC ammeter
83: Voltage / watt hour meter
84: Temperature sensor

Claims (8)

A solar module for collecting sunlight incident from outside to produce electricity;
A connection panel for collecting and outputting a direct current produced from the solar module;
A KEPCO or commercial power utility system receiving the DC current transmitted through the connection module and converting the received DC current into an AC current through a solar inverter;
A photovoltaic monitoring device for monitoring the presence or absence of abnormality of the photovoltaic module, the connection panel, the solar inverter, and the power generation amount of the photovoltaic module on the basis of the API map;
And a controller for comparing power generated from the photovoltaic module with power transmitted from the Korean power system and controlling the power generated by the photovoltaic module and used in the commercial power usage system to be supplied to the Korean power system and,
The control unit receives the vibration information of the vibration sensor among the sensors attached to the solar module, the connection unit, and the solar inverter structure received from the solar monitoring apparatus, And the like,
Data on the life of the connection panel and the inverter, product specification information, installation date, occurrence date, abnormality occurrence number, abnormality occurrence count, component repair date, and component repair count are stored in the external DB through the controller,
The components of the photovoltaic power generation device are classified into a group having a relatively high probability of occurrence of abnormality and a group having a relatively low probability of occurrence of abnormality based on the abnormality occurrence history and the repair history information of the connection panel and the inverter, Differently,
When the alarm message transmission setting screen and the alarm message transmission setting screen are selected on the touch screen, the maximum number of alarms is adjusted to the administrator terminal by reflecting the schedule schedule of the administrators so that the number of alarms The number of alarms is adjusted to be less than or equal to a predetermined value,
The control unit judges whether or not the execution instruction set 2 exists in the same situation as the execution instruction set 1 which is the situation that the administrator has responded to in the failure occurrence alarm operation for the previous solar array, , The alarm is changed by reflecting the previous trouble occurrence alarm setting or trouble occurrence alarm condition. The method according to claim 1,
The vibration sensor is installed in the array of the solar module to measure the vibration of the structure, and the degree of fixation is predicted to the structure of the solar module by algorithmizing the vibration value of the situation in the solar module, If the administrator who is already registered is not in the office or is not contacted within a predetermined period of time, it is determined that the manager terminal is in contact with the next manager terminal, and the presence / absence of the alarm message is set And the number of alarms is adjusted by reflecting the schedule schedule of the abnormal situation algorithm based on the photovoltaic monitoring The method according to claim 1,
The sensor module measures and compares the voltage, current, power, radiation amount, and time value of each of the solar modules with the sensor to determine a trend and a pattern of the abnormal situation for each solar array, , And an array having a problem due to a contact failure can be specified in advance. The method according to claim 1,
Further comprising means for providing a touch screen in each connection module and recognizing the module status, the abnormal status of the array, and the power generation amount in the other connection module in the other connection module associated with the connection module. Measuring device. The method according to claim 1,
Wherein the current value of each of the solar modules is monitored by a non-contact magnetic field measurement method to compare the generated amount with respect to the solar radiation amount, and the fuse short circuit and the module abnormality can be specified through the set reference value. Algorithm - specific measuring device for abnormal situation. The method according to claim 1,
A PLC communication network is coupled to the connection module to monitor the data propagated along the communication network in real time to compare and analyze data values for each connection semi-array, thereby sharing the normal operation state for each connection semi-array in advance, Based on an abnormal situation algorithm based on solar monitoring. The method according to claim 1,
If the administrator who is the first person to be alerted is absent or does not get in touch within a certain period of time, he / she is contacted to the administrator terminal in the next communication sequence Wherein the controller is configured to divide the rating of the manager terminal, and to select the manager to be contacted in descending order of ratings. The method according to claim 1,
Further comprising means for preliminarily preventing fire by analyzing and algorithmizing a connection half internal temperature pattern with respect to a current value by comparing the temperature of each connection half.

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