WO2016113823A1 - 太陽光発電設備の監視装置、太陽光発電設備の監視システム、および、太陽光発電設備の監視方法 - Google Patents

太陽光発電設備の監視装置、太陽光発電設備の監視システム、および、太陽光発電設備の監視方法 Download PDF

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Publication number
WO2016113823A1
WO2016113823A1 PCT/JP2015/006423 JP2015006423W WO2016113823A1 WO 2016113823 A1 WO2016113823 A1 WO 2016113823A1 JP 2015006423 W JP2015006423 W JP 2015006423W WO 2016113823 A1 WO2016113823 A1 WO 2016113823A1
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WIPO (PCT)
Prior art keywords
power generation
generation facility
photovoltaic power
data
display
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Application number
PCT/JP2015/006423
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English (en)
French (fr)
Japanese (ja)
Inventor
浩一 高岡
Original Assignee
パナソニックＩｐマネジメント株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by パナソニックＩｐマネジメント株式会社 filed Critical パナソニックＩｐマネジメント株式会社
Priority to CN201580072938.7A priority Critical patent/CN107112797B/zh
Priority to JP2016569136A priority patent/JP6369765B2/ja
Publication of WO2016113823A1 publication Critical patent/WO2016113823A1/ja

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Definitions

  • the present invention relates to a monitoring device for a photovoltaic power generation facility, a monitoring system for the photovoltaic power generation facility, and a monitoring method for the photovoltaic power generation facility.
  • Patent Document 1 predicts the amount of solar radiation based on the output of a small solar cell panel, obtains the predicted power generation amount of the solar cell string based on the predicted amount of solar radiation, and compares the power generation amount of the solar cell string with the predicted power generation amount. The technology is described. A solar cell string with degraded performance is detected based on the comparison result.
  • Patent Document 1 describes that when an abnormality of a solar cell string is detected, it is displayed on a display unit, and the power generation amount of the solar cell string is displayed on a display unit in a graph.
  • Patent Document 1 detects the deterioration of the solar cell string among the constituent elements of the solar power generation facility, the abnormality of other constituent elements of the solar power generation facility is considered. Not. For this reason, there is a problem that it is not possible to know in which part of the constituent elements of the photovoltaic power generation facility an abnormality occurs, and it takes time to deal with it.
  • the present invention is capable of identifying an abnormal location when an abnormality occurs in a photovoltaic power generation facility, and as a result, a photovoltaic power generation facility monitoring apparatus and a photovoltaic power generation facility monitoring system that enables quick response to the abnormality. And it aims at providing the monitoring method of photovoltaic power generation equipment.
  • a monitoring device for a photovoltaic power generation facility includes a data acquisition unit that acquires data relating to the operation of the photovoltaic power generation facility, and display information that represents an operation state of the photovoltaic power generation facility in a predetermined display format from the data.
  • a display control unit that generates and outputs the display information, and the data includes measurement data at a plurality of measurement points set for each of a plurality of components constituting the photovoltaic power generation facility.
  • the display format includes a figure in which elements corresponding to the constituent elements in the photovoltaic power generation facility are arranged in association with the positions of the constituent elements, and the display control unit is based on the measurement data.
  • the monitoring data which is the result of determining whether the operation state of each component is normal, is reflected in the display state of the element.
  • a monitoring system for a photovoltaic power generation facility includes the monitoring device for the photovoltaic power generation facility and a display device for displaying display information output by the monitoring device for the photovoltaic power generation facility.
  • the monitoring method of the photovoltaic power generation facility relates to the operation of the photovoltaic power generation facility including measurement data at a plurality of measurement points set for each of a plurality of components constituting the photovoltaic power generation facility.
  • a predetermined display including a step of acquiring data and an operation state of the photovoltaic power generation facility including a graphic in which an element corresponding to the component in the photovoltaic power generation facility is associated with a position of the component.
  • Monitoring data that is a result of determining whether or not the operation state of each of the components is normal based on the measurement data, the step of generating display information represented by a format from the data, the step of outputting the display information, and the measurement data And reflecting to the display state of the element.
  • the abnormal part when an abnormality occurs in the photovoltaic power generation facility, the abnormal part can be specified, and as a result, a quick response to the abnormality can be made.
  • FIG. 1 is a block diagram showing an embodiment.
  • FIG. 2 is a configuration diagram illustrating an example of a photovoltaic power generation facility used in the embodiment.
  • FIG. 3 is a diagram illustrating an example of a display format used in the embodiment.
  • FIG. 4 is a diagram illustrating another example of the display format used in the embodiment.
  • FIG. 5 is a diagram showing a main part of a display format used in the embodiment.
  • FIG. 6 is a diagram showing still another example of the display format used in the embodiment.
  • the monitoring device described below monitors the operating state of the photovoltaic power generation facility based on data generated in the photovoltaic power generation facility.
  • Data generated in the photovoltaic power generation facility is transmitted to a monitoring device through an electric communication line such as the Internet or a mobile communication network. Therefore, by using the monitoring device, the operating state of the photovoltaic power generation facility can be monitored at a place away from the photovoltaic power generation facility.
  • the monitoring device is arranged adjacent to the solar power generation facility, data generated in the solar power generation facility may be directly given to the monitoring device without being transmitted to the monitoring device through the telecommunication line. Is possible.
  • the monitoring device is a server connected to a telecommunication line such as the Internet, and a configuration capable of collecting data generated in a plurality of photovoltaic power generation facilities in the monitoring device.
  • the monitoring device monitors the operating state of a plurality of photovoltaic power generation facilities.
  • the monitoring device is mainly intended for a business operator who uses a photovoltaic power generation facility, and the number of sites of the photovoltaic power generation facility monitored by one monitoring device is assumed to be, for example, 100 to 500 sites. . However, the number of sites of solar power generation facilities that can be monitored can be increased as necessary by increasing the number of monitoring devices or increasing the processing capacity of the monitoring devices.
  • the monitoring device 10 receives measurement data from the solar power generation facility 30.
  • a configuration is adopted in which measurement data is transmitted from the photovoltaic power generation facility 30 to the monitoring device 10 through the electric communication line 41.
  • the telecommunication line 41 may be configured by a VPN (Virtual Private Network) using the Internet, a mobile communication network, a dedicated line, or the like.
  • the monitoring apparatus 10 includes a data acquisition unit 11 that acquires measurement data, and a display control unit 12 that outputs display information for visualizing the operating state of the photovoltaic power generation facility 30.
  • the monitoring device 10 includes a determination unit 13 that generates monitoring data that is a result of determining whether the photovoltaic power generation facility 30 is normal based on the measurement data acquired by the data acquisition unit 11.
  • the display control unit 12 generates display information using the measurement data and the monitoring data.
  • the monitoring device 10 constructs a monitoring system together with the display device 20. Therefore, the display information output by the display control unit 12 is given to the display device 20, and the operation state of the photovoltaic power generation facility 30 is displayed on the screen of the display device 20. That is, the solar power generation facility monitoring system of the present embodiment includes a monitoring device 10 and a display device 20 that displays display information output by the monitoring device 10.
  • the display device 20 is, for example, a terminal device that serves as a client for the monitoring device 10 that is a server, and a personal computer that communicates with the monitoring device 10 through the electric communication line 42 is generally used.
  • the telecommunication line 42 can be configured by a VPN using the Internet, a mobile communication network, a dedicated line, or the like.
  • the display device 20 can be selected from a tablet terminal, a smartphone, or the like, and may be a thin client.
  • the display device 20 basically employs a configuration that performs display using a dot matrix, but may also employ a configuration that performs display using segments.
  • the display device 20 and the monitoring device 10 may be configured by a single computer. A display example on the display device 20 based on the display information output by the display control unit 12 will be described later.
  • the operating state of the photovoltaic power generation facility 30 ascertained by the monitoring device 10 can be transferred to the display device 20 used by the consumer who receives the power generated by the solar power generation facility 30, and the demand It can also be used as a tool for providing information to a person.
  • the solar power generation facility 30 of the present embodiment includes a solar cell module 31 and a power conversion device 32 as shown in FIG.
  • the present embodiment is intended for a medium- to large-scale solar power generation facility 30, for example, a solar power generation facility 30 having a power generation scale of about 50 to 1000 kW, preferably about 1000 kW. When the power generation scale is about this level, a plurality of power converters 32 are often required. In the present embodiment, four power conversion devices 32 are used as an example. Note that the monitoring device 10 of the present embodiment can be used regardless of the scale of power generation.
  • the solar cell module 31 constitutes a string 33 by connecting a predetermined number in series.
  • the photovoltaic power generation facility 30 of the present embodiment includes a connection device 34 and a current collector 35 in order to connect a plurality of strings 33 in parallel.
  • the connection device 34 is a so-called connection box, to which a predetermined number of strings 33 are connected, and the current collector 35 is a so-called current collection box, to which a plurality of connection devices 34 are connected.
  • the number of strings 33 connected to one connection device 34 is eight, for example, and the number of connection devices 34 connected to one current collector 35 is, for example, five.
  • the connection device 34 stores one breaker shared by a predetermined number of strings 33 to be connected, and the current collector 35 has a plurality of one-to-one correspondences to the plurality of connection devices 34 to be connected. The breaker is stored.
  • a string monitor 36 to which a plurality of strings 33 are connected is provided between the string 33 and the connection device 34.
  • the string monitor 36 is a device that monitors the operation of the string 33 and outputs measurement data obtained by measuring the output of each of the plurality of connected strings 33.
  • the string monitor 36 outputs measurement data for each of the plurality of strings 33.
  • the string monitor 36 is housed in the housing of the connection device 34, but the string monitor 36 may be provided separately from the housing of the connection device 34.
  • the string monitor 36 may output monitoring data in addition to the measurement data. This monitoring data is data relating to, for example, disconnection monitored by the string monitor 36.
  • strings 33 are connected to the string monitor 36.
  • eight strings 33 are connected to the connection device 34 and four strings 33 are connected to the string monitor 36, two string monitors 36 are connected to the connection device 34.
  • the current collector 35 is connected to the power converter 32 on a one-to-one basis.
  • the photovoltaic power generation facility 30 of the present embodiment includes four power conversion devices 32, and the four power conversion devices 32 are connected to the power system 43 through the substation facility 40.
  • the substation facility 40 is provided to boost the output voltage of the power conversion device 32 according to the voltage of the power system 43.
  • a 6600 V high-voltage distribution line is assumed as the power system 43. Therefore, a substation facility 40 for boosting the output voltage of the power converter 32 is provided.
  • the power system of the photovoltaic power generation facility 30 includes the solar cell module 31, the string 33, the string monitor 36, the connection device 34, the current collector 35, the power conversion device 32, and the transformation facility 40.
  • the number of each component can be changed as appropriate within the range of the design. For example, in the configuration example described above, four strings 33 are connected to the string monitor 36, but eight strings 33 may be connected to the string monitor 36. In this case, the string monitor 36 is connected to the connection device 34 on a one-to-one basis. Further, the number of power conversion devices 32 connected to the substation facility 40 may be other than four.
  • the solar power generation facility 30 is provided with a second measurement point P2 at which the output of the power conversion device 32 is measured, in addition to the first measurement point P1 at which the string monitor 36 measures the output of the string 33.
  • the 3rd measurement point P3 set to the connection point of the power converter device 32 and the electric power grid
  • the power conversion device 32 may have a function of monitoring input / output data related to the input and output of the power conversion device 32 and state data related to the operating state of the power conversion device 32. Moreover, in the 3rd measurement point P3, in addition to the measurement of the output of the transformation equipment 40, you may have the function to monitor the status data regarding the operation state of the transformation equipment 40.
  • the voltage and current are measured at each of the first measurement point P1, the second measurement point P2, and the third measurement point P3.
  • an average value of unit time selected in a range of 1 second to 30 minutes is used.
  • the measurement data is an average value per second calculated based on the measurement value in unit time.
  • the unit time may be selected in the range of 30 seconds to 1 minute.
  • the measurement data measured by the string monitor 36 at the first measurement point P1 is transmitted to the monitoring device 10 through the communication unit 37 described later.
  • the communication unit 37 may be integrated with the string monitor 36 or may be provided separately from the string monitor 36. In the present embodiment, a communication unit 37 is provided separately from the string monitor 36.
  • the communication unit 37 transmits the measurement data at the second measurement point P2 and the third measurement point P3 to the monitoring device 10 together with the measurement data obtained by the string monitor 36.
  • the sensor 381 is disposed at the second measurement point P2, and the sensor 382 is disposed at the third measurement point P3. Both sensors 381 and 382 measure current and voltage.
  • the voltage measured at the first measurement point P1 is direct current, but the voltage measured at the second measurement point P2 and the third measurement point P3 is alternating current.
  • the string monitor 36 measures the current at the first measurement point P1 with a sensor selected from a Hall IC, a magnetoresistive element, a shunt resistance, and the like.
  • the sensors 381 and 382 for measuring the current at the second measurement point P2 and the third measurement point P3 are selected from a current transformer, a Hall IC, a magnetoresistive element, a shunt resistance, and the like.
  • the output of string 33 varies with weather conditions such as weather and temperature. Moreover, since the output of the string 33 is affected by the solar altitude, it changes with the passage of time and changes according to the season. Furthermore, the output of the string 33 also varies depending on the latitude of the place where the photovoltaic power generation facility 30 is installed. If trees, buildings, and the like exist around the solar power generation facility 30, the output of the string 33 may decrease due to the shade in a specific time zone of the day.
  • the installation location of the photovoltaic power generation facility 30 Since the installation location of the photovoltaic power generation facility 30 is known, it is possible to calculate the solar altitude according to the date and time, and it is possible to determine the influence of the shade by actually measuring or simulating the output. That is, the influence of these conditions can be almost obtained by calculation if the installation location of the photovoltaic power generation facility 30 is known.
  • a meteorometer 39 for measuring the weather conditions is arranged in the photovoltaic power generation facility 30.
  • the meteorometer 39 includes a solar radiation sensor, a temperature sensor, and a humidity sensor in order to determine weather such as sunny weather, rainy weather, cloudy weather, and snowfall according to the amount of solar radiation, and to measure temperature and humidity.
  • a camera that photographs the sky above the solar cell module 31 may be used in addition to a solarimeter that measures the amount of solar radiation.
  • the meteorometer 39 includes a camera, it is possible to determine the weather from the image taken by the camera in consideration of the position and speed of the clouds above the solar cell module 31 and the color tone of the sky. is there.
  • the measured data is transmitted to the monitoring device 10 through the communication unit 37.
  • the monitoring device 10 uses the measurement data received from the solar power generation facility 30 to determine whether the operation state of the solar power generation facility 30 is normal, and generates monitoring data that is a determination result.
  • the communication unit 37 can transmit the monitoring data to the monitoring device 10 together with the measurement data. . That is, the measurement data at the first measurement point P1, the second measurement point P2, and the third measurement point P3 is transmitted to the monitoring device 10, and the monitoring device 10 does not generate the monitoring data from the measurement data.
  • the power generation facility 30 may be configured to generate monitoring data from the measurement data.
  • the power conversion device 32 may generate monitoring data
  • the measurement points are the first measurement point P1 corresponding to the string 33, the second measurement point P2 corresponding to the connection device 34, and the third measurement point P3 corresponding to the power conversion device 32.
  • the measurement points are associated with a plurality of components of the photovoltaic power generation facility 30 and set so that voltage and current are measured at different levels in the photovoltaic power generation facility 30. Further, when there are a plurality of the same constituent elements in the hierarchy where the measurement points are set, the voltage and current are measured for each constituent element.
  • the string 33 which is the same component is connected to one in the hierarchy associated with the first measurement point P1.
  • the determination unit 13 of the monitoring device 10 generates monitoring data using the measurement data acquired by the data acquisition unit 11 from the solar power generation facility 30.
  • the determination part 13 measures whether the component corresponding to each of the 1st measurement point P1, the 2nd measurement point P2, and the 3rd measurement point P3 is normal by comparing measurement data with a threshold value.
  • the determination unit 13 configures the upper hierarchy. It is also possible to make monitoring data of measurement points corresponding to elements abnormal. For example, when the monitoring data at the first measurement point P1 indicates an abnormality, the determination unit 13 also sets the monitoring data at the second measurement point P2 and the third measurement point P3 as abnormal. Even if the measurement data at the first measurement point P1 is normal, the determination unit 13 also sets the measurement data at the third measurement point P3 as abnormal when the monitoring data at the second measurement point P2 indicates abnormality.
  • the string 33 In order to determine whether or not the string 33 is normal using the measurement data at the first measurement point P1, it is necessary to set a threshold value in consideration of the conditions under which the output of the string 33 changes. For example, since the photovoltaic power generation facility 30 does not generate power at night, it cannot be determined whether or not the string 33 is normal at night. Further, even though the solar power generation facility 30 generates power in cloudy weather, rainy weather, etc., the output of the string 33 is lower than that in sunny weather, and the output of the string 33 changes depending on the temperature. If is not taken into account, it cannot be determined whether or not it is normal.
  • the threshold value for determining whether the solar power generation facility 30 is normal can be set according to the sunshine, temperature, and time zone. Moreover, the determination part 13 determines whether the solar power generation equipment 30 is normal using the output of the string 33 when it is guaranteed that it is fine weather, using the threshold value set on condition of fine weather. May be.
  • the representative value of the output such as the median value or the mode value is obtained from the outputs of all the strings 33 constituting the photovoltaic power generation facility 30. It is also possible to set a threshold based on the representative value of the output. Alternatively, it is possible to obtain an average value excluding the upper 10% and the lower 10% of the outputs of all the strings 33 constituting the photovoltaic power generation facility 30, and to determine a threshold value based on the average value.
  • the above example is an example, and the threshold value can be determined by other methods.
  • the determination unit 13 determines whether each string 33 is normal by comparing the output of each string 33 with the threshold value determined as described above. For example, the determination unit 13 compares the voltage value and the current value measured at the first measurement point P1 with respective threshold values, and is normal when the voltage value is equal to or greater than the voltage threshold value and the current value is equal to or greater than the current threshold value. Judge. The determination unit 13 may be configured to obtain a power value using the voltage value and the current value measured at the first measurement point P1, and to determine that the power value is normal when the power value is equal to or greater than a threshold value.
  • the string 33 and the connection device 34 are hierarchized, and a plurality (eight in the embodiment) of the strings 33 are connected to the connection device 34 that is an upper layer.
  • the plurality of strings 33 connected to one connection device 34 form one group.
  • the monitoring data obtained from the measurement data of the measurement point corresponding to the lower layer component represents an abnormality
  • the monitoring data of the measurement point corresponding to the upper layer component Is also abnormal. That is, when monitoring data indicating an abnormality occurs in any of the strings 33 in the group, the monitoring data of the entire group is also abnormal.
  • the monitoring device 10 has a function of determining whether or not it is normal in units of groups.
  • Judgment whether or not the group is normal is obtained as a logical product of the monitoring data for each string 33. That is, if the monitoring data of all the strings 33 connected to the connection device 34 is normal, the determination unit 13 determines that the output of the connection device 34 is normal, and the monitoring data of any of the strings 33 is abnormal. If there is, the output of the connecting device 34 is determined to be abnormal. Further, when the determination unit 13 determines that the output of the connection device 34 is abnormal, the determination unit 13 determines that the output of the power conversion device 32 that is the upper layer of the connection device 34 is abnormal, and the substation facility 40 that is the upper layer of the power conversion device 32. Is also judged abnormal. In short, the abnormality of the lower hierarchy is inherited by the upper hierarchy.
  • the monitoring data is not generated from the measurement data in the monitoring device 10 but is generated from the measurement data in the photovoltaic power generation facility 30.
  • the monitoring device 10 does not need a function for generating monitoring data from the measurement data among the functions of the determination unit 13, and has only a function for inheriting an abnormality in a lower hierarchy even in an upper hierarchy.
  • a configuration in which both the photovoltaic power generation facility 30 and the monitoring device 10 generate monitoring data may be employed.
  • the display control unit 12 generates display information for displaying the measurement data and the monitoring data on the screen of the display device 20.
  • the display information includes information that defines the display format of the screen, and is configured to fit measurement data and monitoring data to this display format.
  • the main purpose of using the monitoring device 10 is to monitor whether or not the solar power generation facility 30 is operating normally, and to monitor quantitative data regarding the power generation of the solar power generation facility 30.
  • the display control unit 12 of the present embodiment basically, two types of display styles are defined, and the two types of display styles can be switched.
  • one display mode represents a place where the photovoltaic power generation facility 30 managed by the monitoring device 10 is arranged as a symbol 51 on the map 50, and the photovoltaic power generation facility 30 is The display state of the symbol 51 indicates whether it is operating normally.
  • the photovoltaic power generation equipment 30 managed by the monitoring device 10 there are a plurality of sites of the photovoltaic power generation equipment 30 managed by the monitoring device 10, and a symbol 51 is assigned to each site location.
  • the display state of the symbol 51 for example, blue (outlined) is normal, red (part with hatching with high density) is abnormal at the second measurement point P2, and orange (part with hatching with low density). Is distinguished by color, such as an abnormality at the first measurement point P1.
  • the abnormality at the second measurement point P ⁇ b> 2 is expressed as “Power-conversion abnormality”, and the abnormality at the first measurement point P ⁇ b> 1 is described as “SMU abnormality”.
  • the power converter means the power conversion device 32
  • the SMU (String Monitor Unit) means the string monitor 36.
  • the position of the symbol 51 on the map 50 is determined by information registered when the photovoltaic power generation facility 30 is a management target of the monitoring device 10. That is, when the photovoltaic power generation facility 30 is registered in the monitoring device 10, in addition to information such as the scale of power generation, information on the geographical location is registered, and the symbol 51 on the map 50 is used using this information. The position of is determined.
  • the color of the symbol 51 is determined based on monitoring data that is a result of determination by the determination unit 13 based on measurement data.
  • the display state of the symbol 51 can be expressed by changing the shape of the symbol 51 in addition to changing the color, and by displaying other graphics or characters in the symbol 51.
  • the display state of the symbol 51 can be changed.
  • the other display format is configured to represent information relating to power generation, information relating to the operation state, and auxiliary information for a specific photovoltaic power generation facility 30.
  • the display format information shown in FIG. 4 is displayed by selecting a symbol 51 corresponding to a specific site in the state where the information is displayed in the display format as shown in FIG. . That is, for the photovoltaic power generation facility 30 corresponding to the selected symbol 51, information regarding power generation, information regarding an operation state, and auxiliary information are displayed on the screen of the display device 20.
  • selection of the symbol 51 is, for example, that the cursor is placed on the symbol 51 and double-clicked.
  • an area 61 indicating the transition of the amount of generated power every hour, an area 62 indicating the amount of generated power within a predetermined period, and the power being generated are displayed.
  • a region 63 to represent is provided.
  • the areas for displaying information on the operation state are an area 64 indicating whether the operation state is normal and an area 65 indicating the details of the operation state.
  • the area representing auxiliary information is an area 66 representing a still image or a moving image of the appearance of the photovoltaic power generation facility 30 and an area 67 displaying weather information measured by the meteorometer 39.
  • the display control unit 12 may display an actual moving image using a so-called live camera in the region 66.
  • the amount of generated power per hour on the day of the day is represented by a bar graph 611, and the amount of power generated per hour on an appropriately designated day is represented by a line graph 612.
  • the line graph 612 may represent a representative value obtained based on the past actual amount of generated power.
  • the representative value is an average value of the same month in the past, a median value of the same month in the past, or the like.
  • the amount of power generated on the day, the amount of power generated in the current month, and the amount of power generated since the solar power generation facility 30 was installed are represented numerically.
  • other information such as the amount of generated power for the current year may be displayed.
  • the power being generated with respect to the power generation scale is represented by a ring-shaped pie chart 631.
  • the pie chart 631 when the pie chart 631 is seen, it can be seen that the output of the photovoltaic power generation facility 30 is about three quarters of the power generation scale, and the numerical values shown around the pie chart 631 are It can be seen that the power being generated is 38 kW for a power generation scale of 50 kW.
  • the electric power being generated is represented by a portion colored in blue or the like (a white portion surrounded by a solid line).
  • the region 64 includes a ring-shaped element 641 having the same shape as the pie chart 631 of the region 63.
  • the element 641 indicates whether or not the photovoltaic power generation facility 30 has an abnormality.
  • the element 641 indicates an abnormality when it is blue, and indicates an abnormality when it is red.
  • FIG. 4 a state in which an abnormality has occurred in the photovoltaic power generation facility 30 is shown.
  • a screen design in which the region 63 and the region 64 are arranged almost symmetrically on the screen of the display device 20 is adopted, and the element 641 is formed in a ring shape having substantially the same shape as the pie chart 631. Has been.
  • normal and abnormal may be represented by elements having different shapes.
  • the region 65 is provided with a graphic representing the operating state for each component of the photovoltaic power generation facility 30.
  • eight strings 33 are connected to the connection device 34, but the example shown in FIG. 4 is an example in which 16 strings 33 are connected to one connection device 34. Show.
  • the connection device 34 has a one-to-one correspondence with the string monitor 36, and the 16 strings 33 constituting one group are connected to one string monitor 36.
  • the figure arranged in the region 65 is circular as a whole, and elements 651, 652, 653 and 654 associated with the constituent elements of the photovoltaic power generation facility 30 are arranged in the figure.
  • the graphic representing the solar power generation facility 30 represents the layer of the component in association with the distance from the center.
  • Element 651 corresponds to string 33
  • element 652 corresponds to connection device 34
  • element 653 corresponds to power conversion device 32
  • the element 654 corresponds to the substation facility 40. That is, the element 651 represents the content of the monitoring data based on the measurement data at the first measurement point P1, the element 653 represents the content of the monitoring data based on the measurement data at the second measurement point P2, and the element 654 represents the third measurement point P3.
  • the contents of the monitoring data based on the measurement data of An element 652 represents the contents of the monitoring data obtained by integrating the 16 strings 33 connected to one string monitor 36. That is, the element 652 can indicate normality when all the strings 33 in the group are normal, and can indicate abnormality if any of the strings 33 in the group is abnormal.
  • FIG. 6 An enlarged view of this figure is shown in FIG. Since the interconnection point where the photovoltaic power generation facility 30 and the power system 43 are connected is one point, the element 654 corresponding to the third measurement point P3 is formed in one ring shape. The element 654 displays the name of the component in the inner area. Here, the name “system interconnection” is written inside the element 654 to indicate that it corresponds to the third measurement point P3.
  • Elements 651, 652, and 653 are arranged on a ring virtually set outside the element 654, and a name portion 655 that displays the names of components corresponding to the elements 651, 652, and 653 on a part of the ring, 656 and 657 are provided. Since the first measurement point P1 measures the measurement data of each of the strings 33, the name “string” is written in the name portion 655 corresponding to the element 651.
  • the element 652 corresponds to the string monitor 36 to which the 16 strings 33 constituting the group are connected, and the name “SMU” is written in the name portion 656 corresponding to the element 652.
  • the name “Powercon” is written in the name portion 657 corresponding to the element 653.
  • the power converter represents the power conversion device 32 and the SMU represents the string monitor 36.
  • the element 653 corresponding to the second measurement point P2 is arranged on a ring that is virtually set so as to surround the outer periphery of the element 654.
  • the second measurement points P2 are four points.
  • the second measurement points P2 are five points. . Therefore, five elements 653 are provided on a virtually set ring, and a name portion 657 is provided on the ring.
  • the virtual ring is divided into six parts, one part becomes the name part 657, and each of the remaining five parts becomes the element 653.
  • the element 652 is arranged on a ring virtually set so as to surround the outer periphery of the ring including the element 653, and the element 651 is virtually set so as to surround the outer periphery of the ring including the element 652. Placed on the ring.
  • connection devices 34 are connected to one power conversion device 32 and the string monitor 36 has a one-to-one correspondence with the connection device 34, five elements 652 are associated with one element 653. Corresponds. That is, 25 elements 652 are provided, and the 25 elements 652 and the name portion 656 are arranged on one virtually set ring.
  • 16 elements 651 correspond to the element 652. Since the angle at which the element 652 is viewed from the center of the figure is about 10 degrees, when the 16 elements 651 are arranged along the element 652, the angle at which the element 651 is viewed from the center of the figure is 1 degree or less, and visibility is reduced. May be reduced. Therefore, in the present embodiment, 16 elements 651 are arranged in two rows of 8 elements, and the elements 651 are arranged so that the rows extend in a direction intersecting the outer periphery of the virtual ring where the elements 652 are arranged. Has been.
  • two parallel straight lines are virtually set, and eight elements 651 are arranged for each straight line.
  • a center line virtually set between two straight lines in which the elements 651 constituting one group are arranged is arranged so as to pass through the center of the element 654. That is, in the graphic arranged in the region 65, the eight elements 651 are arranged so as to form a row in the radial direction.
  • Whether the operation state of the photovoltaic power generation facility 30 is normal is represented by the display state of the elements 651, 652, 653, and 654.
  • the display control unit 12 changes the colors of the elements 651, 652, 653, and 654 corresponding to the constituent elements depending on whether or not the operating state of the constituent elements of the photovoltaic power generation facility 30 is normal.
  • normal is represented by blue (outlined)
  • abnormal is represented by red (hatched).
  • Element 654 indicates whether an abnormality such as a power failure has occurred in power system 43 at the interconnection point.
  • the figure arranged in the region 65 is formed into a unique shape reminiscent of the sun or sunflower as a whole.
  • elements 651, 652, 653, and 654 corresponding to the constituent elements of the photovoltaic power generation facility 30 are arranged on a plurality of virtual rings, and a figure in which the virtual rings are concentrically arranged is used. Therefore, the hierarchical structure of the constituent elements is expressed in this figure. That is, when an abnormality in the operating state is indicated for a component in the upper layer, it is also indicated which component in the lower layer has an abnormality.
  • the area occupied by the area 65 on the screen of the display device 20 is relatively small, and information is aggregated in the square area 65, This makes it easy to recognize information even when other information is mixed.
  • the figures arranged in the region 65 may adopt a polygonal shape such as a hexagonal shape or an octagonal shape as a whole, depending on the number of power conversion devices 32.
  • the graphic arranged in the region 65 may be a rectangular graphic in which the graphic shown in FIG. 5 is developed and the columns of the elements 651 corresponding to the string 33 are aligned in parallel.
  • the display control unit 12 provides a display format to the display device 20, but the display described above is performed using the display device 20 such as a segment type whose display format is not variable. May be.
  • the monitoring apparatus 10 acquires weather information through an electric communication line such as the Internet, and a map 50 similar to FIG. 3 as shown in FIG. On top of this, a rough indication of the position of the cloud 52 acquired as weather information may be displayed.
  • a guideline for determining whether the output is reduced due to a failure or the output is decreased due to weather is obtained.
  • the indication of the position of the cloud 52 is displayed.
  • the meteorometer 39 provided in the photovoltaic power generation facility 30 provides information on the weather, temperature, and humidity, these information are also displayed on the map. If it shows, it will be useful when estimating the factor which the output of the photovoltaic power generation equipment 30 fluctuates.
  • the weather information that affects the amount of power generated by the photovoltaic power generation facility 30 can be intuitively confirmed for each site of the photovoltaic power generation facility 30 whether the cause of the output decrease is due to a failure or the influence of the weather. It may be arranged on the map 50 in an overlapping manner.
  • the current collector 35 is used, but a configuration in which the connection device 34 is connected to the power conversion device 32 may be adopted.
  • the power conversion device 32 only needs to have a configuration corresponding to the current collector 35.
  • the solar power generation facility monitoring apparatus 10 includes the data acquisition unit 11 and the display control unit 12.
  • the data acquisition unit 11 acquires data related to the operation of the solar power generation facility 30.
  • the display control part 12 produces
  • the data is measured at a plurality of measurement points (first measurement point P1, second measurement point P2, and third measurement point P3) set for each of a plurality of components constituting the photovoltaic power generation facility 30. Contains data.
  • the display style includes a graphic in which elements (651, 652, 653, and 654) corresponding to the components in the photovoltaic power generation facility one-to-one are associated with the positions of the components.
  • the display control unit 12 reflects the monitoring data, which is the result of determining whether the operation state of each component is normal based on the measurement data, in the display state of the elements (651, 652, 653, and 654).
  • the elements (651, 652, 653, and 654) are arranged in association with the positions of the components, the elements (651, 652, 653, and 654) are provided when an abnormality occurs in the solar power generation facility 30.
  • An abnormal location is specified by the position of. That is, when an abnormality occurs in the solar power generation facility 30, the display that facilitates the identification of the location where the abnormality has occurred is enabled, so that the user can quickly respond to the abnormality.
  • the photovoltaic power generation facility 30 includes a plurality of strings 33, a plurality of connection devices 34, and a power conversion device 32 as components.
  • the string 33 is configured by the solar cell module 31.
  • the connection device 34 groups the outputs of the plurality of strings 33 into a predetermined number of groups.
  • the power conversion device 32 converts the output from the connection device 34 into alternating current.
  • the measurement points include a first measurement point P1 for measuring the output of the string 33 and a second measurement point P2 for measuring the output of the power conversion device 32.
  • the photovoltaic power generation facility 30 is connected to the power system 43.
  • the measurement point further includes a third measurement point P ⁇ b> 3 set as a connection point between the power conversion device 32 and the power system 43.
  • the figure includes, as elements, a plurality of first elements 651 corresponding to the string 33, a second element 653 corresponding to the power conversion device 32, and a third element 654 corresponding to the interconnection point. May be provided.
  • the first elements 651 corresponding to the strings 33 constituting the group form a column.
  • the second element 653 corresponding to the power conversion device 32 to which the string 33 is connected is disposed on one end side of the row of the first elements 651.
  • the third element 654 is disposed on the opposite side of the first element 651 with the second element 653 interposed therebetween.
  • the first element 651, the second element 653, and the third element 654 may be arranged on a ring in which each is virtually set.
  • the ring in which the third element 654 is arranged surrounds the ring in which the second element 653 is arranged, and the ring in which the second element 653 is arranged is surrounded by the ring in which the first element 651 is arranged.
  • the constituent elements of the photovoltaic power generation facility 30 are represented by a ring-shaped figure as a whole, and different types of constituent elements are associated with each other depending on the distance from the center of the figure. Therefore, when the hierarchical structure of the constituent elements of the photovoltaic power generation facility 30 is represented by a ring-shaped figure, it becomes easy for the user to recognize the positions of the constituent elements where an abnormality has occurred. Moreover, since the figure is ring-shaped as a whole, it is possible to recreate the sun or sunflower and produce friendliness, and since many components are aggregated into a ring-shaped figure, the display device When displayed on the screen 20, the degree of freedom of arrangement on the screen increases. In addition, this figure makes it possible to arrange elements (651, 652, 653, and 654) corresponding to a large number of components in a compact manner.
  • the display format may be determined so that the symbol 51 representing the photovoltaic power generation facility 30 is arranged on the map 50 in correspondence with the place where the photovoltaic power generation facility 30 is disposed.
  • the display control unit 12 reflects the result of determining whether the operation state of the photovoltaic power generation facility 30 is normal based on the measurement data in the display state of the symbol 51.
  • the solar power generation facility 30 in which an abnormality has occurred is different from the solar power generation facility 30 in which the display state of the symbol 51 is normal, if there is a symbol 51 with a different display state on the map 50, the solar power generation facility 30 It is possible to recognize that an abnormality has occurred.
  • the operation state of the several photovoltaic power generation equipment 30 can be displayed simultaneously. That is, when the user constantly monitors the operating state of the solar power generation facility 30, it is possible to monitor a plurality of solar power generation facilities 30 without switching the screen, scrolling the screen, or the like. Since the position of the photovoltaic power generation facility 30 where an abnormality has occurred is indicated on the map 50, if a service such as a confirmation work or repair work at the site is necessary, promptly instruct the service base. Is possible.
  • the display format may be determined so that weather information that affects the amount of power generated by the photovoltaic power generation facility 30 is arranged on the map 50.
  • the cause of the decrease in the amount of generated power is an abnormality in the operating state of the solar power generation facility 30, or weather conditions such as the weather. Can be identified.
  • the comprehensive or specific various aspects of the present invention include one or a plurality of combinations such as an apparatus, a system, a method, an integrated circuit, a computer program, and a computer-readable recording medium.
  • a method for monitoring a photovoltaic power generation facility includes the photovoltaic power generation facility including measurement data at a plurality of measurement points set for each of a plurality of components constituting the photovoltaic power generation facility.
  • a step of acquiring data relating to the operation of the solar power generation facility, and a figure in which the operation state of the solar power generation facility is arranged in association with an element corresponding to the component in the solar power generation facility in a one-to-one relationship with the position of the component A step of generating display information represented in a predetermined display format from the data; a step of outputting the display information; and a result of determining whether or not the operating state of each of the components is normal based on the measurement data. Reflecting the monitoring data in the display state of the element.
  • the program which concerns on 1 aspect of this invention is the data regarding the operation
  • a predetermined display format including a figure in which the operation state of the photovoltaic power generation facility is arranged by associating an element corresponding to the component in the photovoltaic power generation facility in a one-to-one relationship with the position of the component Monitoring data that is a result of determining whether the operation state of each component is normal based on the measurement data, the step of generating display information represented by the data, the step of outputting the display information, And causing the computer to execute the step of reflecting the display state of the element.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Photovoltaic Devices (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
PCT/JP2015/006423 2015-01-13 2015-12-24 太陽光発電設備の監視装置、太陽光発電設備の監視システム、および、太陽光発電設備の監視方法 WO2016113823A1 (ja)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107257360A (zh) * 2017-05-22 2017-10-17 南京唐模电气科技有限公司 具有广告插播功能的光伏监控显示系统及其实现方法
WO2017204032A1 (ja) * 2016-05-26 2017-11-30 パナソニックＩｐマネジメント株式会社 太陽光発電装置の発電量に関する情報を生成する方法、サーバ、プログラム、及び、端末
JP2020008743A (ja) * 2018-07-09 2020-01-16 中国電力株式会社 規制区域管理システム
CN111831759A (zh) * 2019-04-15 2020-10-27 阿里巴巴集团控股有限公司 数据处理方法、装置、设备以及存储介质
JP2021022994A (ja) * 2019-07-25 2021-02-18 株式会社Ａｎｅ 太陽光発電施設監視システム
WO2024005260A1 (ko) * 2022-07-01 2024-01-04 주식회사 지구루 태양광 발전장치의 투자 가치 예측 방법 및 시스템
JP7523364B2 (ja) 2020-01-16 2024-07-26 積水化学工業株式会社 稼働状況管理システム

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101980741B1 (ko) * 2018-01-16 2019-05-21 강문식 태양광 발전 장치의 시뮬레이션 방법, 시스템 및 프로그램
CN109828146B (zh) * 2018-11-22 2022-03-22 常州天正工业发展股份有限公司 一种通过设备电参数ad采样判断设备工况的方法
CN109739732A (zh) * 2018-12-06 2019-05-10 北京汉能光伏投资有限公司 太阳能发电量显示方法、系统、计算机设备及存储介质
KR102489973B1 (ko) * 2021-11-15 2023-01-19 박기주 사이버캐릭터를 이용한 태양광 발전시스템의 운영유지보수 장치 및 그 방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0984371A (ja) * 1995-09-14 1997-03-28 Daihen Corp 太陽光発電装置
JPH1145101A (ja) * 1997-07-25 1999-02-16 Tokyo Electric Power Co Inc:The 監視制御システム
JP2010098078A (ja) * 2008-10-15 2010-04-30 Tokyo Electric Power Co Inc:The 太陽光発電システムの状態監視装置およびコンピュータプログラム
JP2014052325A (ja) * 2012-09-10 2014-03-20 Sharp Corp 太陽光発電システム
JP2014143890A (ja) * 2013-01-25 2014-08-07 Sharp Corp 太陽光発電システム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011134862A (ja) * 2009-12-24 2011-07-07 Tokai Ec Kk 太陽光発電システム
JP5389061B2 (ja) * 2011-01-12 2014-01-15 中国電力株式会社 配電系統制御装置及び配電系統制御方法
TWI586066B (zh) * 2012-05-29 2017-06-01 Ukc Electronics (H K ) Co Limited Solar power generation monitoring method and the solar power generation monitoring system used in the method
CN104124733A (zh) * 2014-06-30 2014-10-29 广西吉宽太阳能设备有限公司 一种太阳能电池充放电控制装置及其控制方法
CN104184411A (zh) * 2014-08-07 2014-12-03 航天科工深圳（集团）有限公司 一种分布式光伏发电系统的防窃电监测装置和方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0984371A (ja) * 1995-09-14 1997-03-28 Daihen Corp 太陽光発電装置
JPH1145101A (ja) * 1997-07-25 1999-02-16 Tokyo Electric Power Co Inc:The 監視制御システム
JP2010098078A (ja) * 2008-10-15 2010-04-30 Tokyo Electric Power Co Inc:The 太陽光発電システムの状態監視装置およびコンピュータプログラム
JP2014052325A (ja) * 2012-09-10 2014-03-20 Sharp Corp 太陽光発電システム
JP2014143890A (ja) * 2013-01-25 2014-08-07 Sharp Corp 太陽光発電システム

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017204032A1 (ja) * 2016-05-26 2017-11-30 パナソニックＩｐマネジメント株式会社 太陽光発電装置の発電量に関する情報を生成する方法、サーバ、プログラム、及び、端末
CN107257360A (zh) * 2017-05-22 2017-10-17 南京唐模电气科技有限公司 具有广告插播功能的光伏监控显示系统及其实现方法
JP2020008743A (ja) * 2018-07-09 2020-01-16 中国電力株式会社 規制区域管理システム
JP7187851B2 (ja) 2018-07-09 2022-12-13 中国電力株式会社 規制区域管理システム
CN111831759A (zh) * 2019-04-15 2020-10-27 阿里巴巴集团控股有限公司 数据处理方法、装置、设备以及存储介质
JP2021022994A (ja) * 2019-07-25 2021-02-18 株式会社Ａｎｅ 太陽光発電施設監視システム
JP7523364B2 (ja) 2020-01-16 2024-07-26 積水化学工業株式会社 稼働状況管理システム
WO2024005260A1 (ko) * 2022-07-01 2024-01-04 주식회사 지구루 태양광 발전장치의 투자 가치 예측 방법 및 시스템

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