WO2010020697A2 - Procédé et dispositif de surveillance de paramètres spécifiques d'un ensemble - Google Patents

Procédé et dispositif de surveillance de paramètres spécifiques d'un ensemble Download PDF

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Publication number
WO2010020697A2
WO2010020697A2 PCT/EP2009/060891 EP2009060891W WO2010020697A2 WO 2010020697 A2 WO2010020697 A2 WO 2010020697A2 EP 2009060891 W EP2009060891 W EP 2009060891W WO 2010020697 A2 WO2010020697 A2 WO 2010020697A2
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WO
WIPO (PCT)
Prior art keywords
arrangement
measured values
values
analysis
radio
Prior art date
Application number
PCT/EP2009/060891
Other languages
German (de)
English (en)
Other versions
WO2010020697A3 (fr
Original Assignee
Zentrum Mikroelektronik Dresden Ag
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.)
Filing date
Publication date
Application filed by Zentrum Mikroelektronik Dresden Ag filed Critical Zentrum Mikroelektronik Dresden Ag
Publication of WO2010020697A2 publication Critical patent/WO2010020697A2/fr
Publication of WO2010020697A3 publication Critical patent/WO2010020697A3/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/02—Details
    • H01L31/02016—Circuit arrangements of general character for the devices
    • H01L31/02019—Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier
    • H01L31/02021—Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier for solar cells
    • 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
    • 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
    • H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/10—Arrangements in telecontrol or telemetry systems using a centralized architecture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
    • 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 invention relates to a method for monitoring arrangement-specific parameters in which measured values are determined and output in an arrangement by means of sensors.
  • the invention also relates to a device for monitoring of arrangement-specific parameters, with the arrangement-specific parameters detecting sensors, an evaluation and transmission means.
  • the monitoring of arrangement-specific parameters is necessary in a large number of arrangements in which parameters of the arrangement are to be measured by means of various sensors and displayed and / or analyzed directly at the measuring location or at a location remote from the measuring location.
  • parameters such as current, voltage, power, temperature, light intensity, movement, capacity of a power supply and emission can be recorded.
  • a movement monitoring of the arrangement by means of motion sensors and under the parameter emission is for example a measurement of the
  • a theft detection is done according to the prior art mostly on video systems or Reisleinensysteme. These systems are expensive to install and maintain. Systems are also discussed in which currents are fed into the existing PV system at night (or when no electricity is generated). These methods do not detect theft with solar module accuracy and position accuracy.
  • the invention is therefore based on the object of specifying a method and a device with which the effort for monitoring of arrangement-specific parameters is reduced.
  • the object is achieved by corresponding values corresponding to the determined measured values to a central location that is spatially separated from the arrangement
  • the measured values or the results of the analysis can be displayed, for example, by a display attached to the arrangement itself or transmitted to a central monitoring point and displayed.
  • a monitoring of an arrangement is provided during operation, with which statements about the state of the arrangement are possible.
  • measured values are determined in a first method step by means of sensors for different parameters. These measured values are subsequently transmitted to a central instance that displays and monitors the parameters, for example a computer. This transmission can take place via a cable or a data bus, but preferably via a radio interface. The transferred measured values are analyzed in the central instance. Through this analysis, statements about the state of the arrangement such as "proper functioning”, “improper functioning”, "faulty
  • the central entity outputs the measured values or the results of the analysis.
  • the output can take place, for example, in the form of a graphic or in the states of the arrangement in text form or in the manner of a traffic light.
  • the values corresponding to the measured values determined are the measured values themselves.
  • the measured values determined by the sensors in the arrangement can therefore be transmitted directly to the central entity without any processing or analysis of the measured values.
  • the values corresponding to the determined measured values are processed values of the arrangement.
  • the determined measured values are processed or analyzed by the arrangement. For example, an analysis can be carried out in such a way that it is checked whether the measured value lies within a predetermined tolerance range or above or below a predetermined threshold value. A processing of the measured value can take place such that an average value is formed. Another processing may be that the power is calculated from a current reading and a voltage reading.
  • prepared values are measured values which are generated by a first partial analysis in the arrangement itself.
  • the determined measured values can be supplied to the arrangement of an analysis as described above, whereby only a first partial analysis of the measured values takes place in the arrangement. The second part of the analysis will be done later in the central instance.
  • prepared values are power values which are formed in the arrangement from the measured values for the current and the voltage. If power is to be monitored in an arrangement of the parameters, this can be done, for example, by using only one sensor for a current measurement and one sensor for a voltage measurement. From the two measured values, the corresponding power value can subsequently be calculated by means of a multiplication.
  • prepared values are movement values which are formed in the arrangement from the measured values of the motion sensors.
  • the measured values determined by the motion sensors are already analyzed in the arrangement in order to determine whether a movement of the solar module actually took place.
  • threshold values for the measured values of the motion sensors can be specified below which no movement is detected.
  • the values corresponding to the measured values determined by several arrangements are combined into groups and transmitted jointly to the central entity before transmission to the central entity.
  • Each arrangement can transmit the determined measured values separately to the central instance.
  • Another possibility is to combine the values of two or more arrangements corresponding to the measured values and then to transmit them to the central entity. In this way, the arrangements can be divided into groups.
  • 20 solar modules can be grouped into a group, with a photovoltaic system comprising several of these groups.
  • the values corresponding to the measured values are combined and transmitted to the central instance.
  • Another possibility is the values corresponding to the measured values Subgroup to undergo a sub-analysis, which checks whether all measured values are within a specified tolerance. Then only the result of the analysis can be transmitted to the central instance, thus for example the information that all measured values are within the tolerance range.
  • the transmission to the central entity is carried out by means of a wireless transmission method.
  • Radio transmission for example according to the standard IEEE 802.15.4 a transmission protocol for wireless personal area networks (WPAN).
  • WPAN wireless personal area networks
  • Transceivers according to this standard are characterized by low energy consumption and a large transmission capacity.
  • the arrangement-specific parameters are parameters of solar modules of a photovoltaic system.
  • the arrangement to be monitored may be a solar module in a photovoltaic system, in which parameters such as current, voltage, power, temperature, light intensity, movement, capacity of a power supply and emission to be monitored.
  • parameters such as current, voltage, power, temperature, light intensity, movement, capacity of a power supply and emission to be monitored.
  • the analysis of the values corresponding to the measured values takes place in such a way that the measured values are compared with known default values.
  • One possibility of analysis consists in comparing the values corresponding to the measured values with default values which can be specified for the method, whereby a tolerance range for the comparison can also be defined.
  • an analysis of a determined voltage measurement value is carried out such that it is checked whether the
  • Voltage reading is within the given by the nominal value and the tolerance default range. If this is the case, a positive analysis result can be output. If this is not the case, an error message is issued and subsequently a search is made for the cause of the error.
  • the analysis of the values corresponding to the measured values takes place in such a way that the measured values of different arrangements are compared with one another.
  • a simplified form of the analysis may be that values of two arrangements corresponding to the measured values are compared with one another. For example, if we compare the measured voltage of two adjacent solar modules with each other, we can quickly make a statement about the proper function of the solar modules. In the normal case, the voltage values will be almost the same, whereby a tolerance range can also be specified in such a comparison. If one of the two voltage values deviates strongly over a certain period of time, it can be assumed that a solar module has a defect. As a result of this analysis, troubleshooting can then be carried out, for example, by means of evaluation of all measured values determined by the central entity. In one embodiment of the invention, it is provided that the values corresponding to the measured values and / or the results of the analysis are output in the form of a graph.
  • Analysis results of both an overall analysis and the partial analyzes can be displayed next to a textual form in one or more graphics.
  • An overall overview can also take place in a summarized form in the manner of a traffic light, in which the green light lights up as long as all parameters are within the tolerance limits.
  • the position of a solar module is linked to its identification number ID by means of a handheld arrangement, which contains a position determination system, and that the position data and the ID are stored in a database.
  • a technician may associate the identification number of the solar module with positional data by positioning the handheld device close to the module and starting a corresponding routine in the handheld device.
  • a further embodiment of the invention provides that a position determination takes place in the arrangement itself by evaluation of determined signal propagation times or the signal strength RSSI of radio links.
  • the radio array in the array may utilize signal strength parameters such as an RSSI value as well as the signal propagation times measured in the array to other radio devices of other solar modules for relative positioning to other radio devices. For this purpose, several RSSI values are determined or several signal propagation times are determined and the position is determined in the manner of a radio bearing method.
  • the object in a device for monitoring arrangement-specific parameters with the arrangement-specific parameters detecting sensors, an evaluation unit and transmission means is achieved in that the device comprises a measuring and radio unit, which from a measuring values detecting sensors containing measuring unit and a first bidirectional Radio arrangement is that the first bidirectional radio arrangement of the measuring and radio unit is at least indirectly connected wirelessly with a second bidirectional radio arrangement of a central instance, that the central instance means for analyzing the measured values received from the measuring and radio unit of the arrangement and for displaying the measured values and / or the results of the analysis.
  • the device comprises a measuring and radio unit which is fastened, for example, to the arrangement of a solar module to be monitored and determines parameters of the solar module or of the immediate surroundings by means of various sensors. These measured values are stored in the measuring and radio unit.
  • the measuring and radio unit can perform an analysis of the measured values, for example, to determine whether the measured values one correspond to certain default value, are larger or smaller or within a predetermined tolerance range.
  • the determined measured values or the results of the analysis are transmitted to the central entity by means of the first and second bidirectional radio unit, which thus comprises both means for transmitting and for receiving.
  • the latter has means of analysis which can correspond to those of the arrangement as described above and for displaying the measured values or the results of the analysis, for example in textual form or in the form of a graphic, wherein the representation and the measured values or results to be presented are analyzed by a user are selectable.
  • the first and the second bidirectional radio arrangement are each connected to a transmitting / receiving antenna for wireless data transmission.
  • the first and the second radio unit each have a suitable connection with which they can be connected to a transmitting / receiving antenna.
  • the measured values or the results of the analysis can be transmitted to the second radio unit, for example via the first radio unit, using a suitable radio standard.
  • the data transmitted in this way are forwarded to the central instance.
  • Another possibility is to transmit initialization data or control data from the central entity via the second radio unit to the first radio unit and further to the measurement and radio unit.
  • a suitable control and logic board in the measuring and radio unit and control for example, the determination of the measured values with respect to the sensors to be used, the time and frequency of the measurements and, if provided, the type of analysis.
  • the Device has means for analyzing the measured values.
  • this device is equipped with assemblies for analyzing the measured values.
  • a test of the operation of the device can be performed and only the result can be transmitted to the central entity.
  • FIG. 1 shows a device for monitoring arrangement-specific parameters of solar modules, which are part of a photovoltaic system
  • FIG. 3 shows a basic arrangement of a device for monitoring arrangement-specific parameters of solar modules with a PC as a central instance and a PC connected to the second radio arrangement and
  • Parameters of solar modules with a PC as the central instance and connected to the PC second radio device and the first radio arrangement containing gateway node.
  • FIG. 1 shows a device for monitoring arrangement-specific parameters of solar modules 1, which Part of a photovoltaic system 2 are.
  • Each solar module 1 is equipped with the device according to the invention for monitoring arrangement-specific parameters 3.
  • This device includes a first radio arrangement 4, which is connected by means of a radio link to the second radio device 5, wherein each radio unit has a connection for connection to an antenna 10, not shown.
  • the second radio device 5 is connected to the central entity 6, which is embodied in FIG. 1 as a personal computer PC. This is controlled by means of an associated control program.
  • the central entity 6 is connected to a database 7 for storing measured values and / or analysis results. Furthermore, control or initialization information, comparison values and threshold values for the method according to the invention can be stored in the database 7.
  • the central entity 6 can be connected to the Internet, then there is the possibility of using an Internet connection by means of a terminal 8 to access the central entity 6 and thus also to the database 7 and all measured values and / or analysis results. Thus, a remote monitoring of the photovoltaic system is possible, which can provide the full range of functions of the central instance 6.
  • the device to be monitored which may be a solar module 1, a machine or a vehicle, is assigned a device for monitoring device-specific parameters 3, which is equipped or connected with a plurality of sensors for determining measured values. These sensors detect one or more measurements of the device being monitored, such as current, voltage, power, temperature, motion, and more. Also, detection of multiple currents, voltages, etc. is provided.
  • the values corresponding to the determined measured values are wired or wirelessly transmitted to a central entity 6.
  • the central entity 6 is equipped in such a way that it makes possible an analysis of the values corresponding to the determined measured values as well as a representation of the measured values and / or results of the analysis.
  • the central entity 6 can be realized by a PC with a corresponding PC-controlling analysis and evaluation software.
  • solar modules 1, which do not have the full functionality can be located quickly.
  • the system displays an eye-catching module 1 in an output on a screen of the central entity 6 or generates a notification to the responsible maintenance personnel, for example by mail or SMS.
  • the responsible maintenance personnel for example by mail or SMS.
  • the exact location of the conspicuous module within the photovoltaic system can be determined and displayed.
  • the central entity 6 can display the measurement and / or analysis values, for example in a graphical form, in the manner of a traffic light with the states "full function", “restricted function” and “defect” or in text form 2 at a central location an overview of the condition of the entire system 2.
  • Threshold values for the object-specific parameters can be specified at the central instance 6 exceeding or falling below an output of a message, an alarm message or a notification as described above.
  • the measured values and the various analysis values are stored in a database 7 of the central entity and can subsequently be retrieved from the central entity 6 itself or via remote access, for example via the Internet. If access to the central instance 6 via the Internet is permitted, the measurement and / or analysis output can also be output on a terminal 8 connected via the Internet.
  • the measured values such as current, voltage and movement determined by the sensors can be used for a theft display at the central instance 6 or an alarm generation. If no voltage and / or current is suddenly measured on a solar module 1 during the day, in addition to a failure of the solar module 1, the cause may lie in the removal of the module 1 from the photovoltaic system, ie a theft.
  • Another method for theft display is to analyze measured values of motion sensors of the device-specific parameter monitoring device 3. If the solar module 1 is moved at a speed above a predetermined threshold, the theft display is generated.
  • a suitable threshold value is advantageous, since a solar module 1 of the path of the sun can be automatically tracked at a very low speed or a module 1 can move slightly shaped by wind load.
  • the device for monitoring arrangement-specific parameters 3 advantageously has its own power supply in the form of a battery or a rechargeable battery via the solar module 1.
  • the solar module itself no Energy generated, measured values are determined and transmitted, and measured values are determined after separation of the solar module 1 from the photovoltaic system 2, for example by means of the motion sensor and transmitted to the central entity 6.
  • the device 3 may, for example, also comprise an antenna, a battery or a rechargeable battery as well as a battery charging circuit, which are not shown in FIG.
  • FIG. 2 shows a measuring and functional unit 9 arranged in the device for monitoring arrangement-specific parameters 3.
  • the measuring and functional unit 9 is interposed with its terminals IN +, IN- and OUT +, OUT- in a two-wire line, which connects the solar module otherwise either with another solar module of the same string or a downstream arrangement of the photovoltaic system.
  • This downstream arrangement may be a converter with a control and regulating device of the photovoltaic system or a battery. Whereby the nature of the downstream unit has no significance for the functioning of the measuring and functional unit 9.
  • the measuring and functional unit 9 is connected via the ANT terminal to a transmitting / receiving antenna for the wireless transmission of the measured values to the central instance 6. Also shown is a control and logic unit 11 within the measuring and functional unit 9, which the
  • a configurable measuring unit 12 is arranged, to which the sensors, not shown, are connected.
  • Each measuring and functional unit 9 is connected by means of a radio link using the first and second radio arrangement 4 and 5 with the central entity.
  • FIG. 4 shows an alternative, for example, from FIG. 3.
  • the values of a plurality of measuring and functional units 9 corresponding to the determined measured values are combined in a node 13 and transmitted to the central entity 6.
  • the node 13 has at least one radio arrangement not shown in detail.
  • the central instance 6 also several second radio devices 5 can be connected.
  • Division of the data to be transmitted in groups of nodes 13 or solar modules 1 done and the number of solar modules to be monitored 1 can be increased.
  • the method according to the invention can subsequently provide information:
  • the information is stored over an adjustable period of time in the database 7, displayed in a GUI and, depending on the customer's request, can also be made available in another form, such as email or SMS.
  • email or SMS By assigning geographical data to the solar modules 1, the service personnel can be directed to the eye-catching modules.
  • a characteristic curve of a solar module 1 can be used, which is specified by the manufacturer of the solar module. For example, this characteristic shows the relationship between
  • Illuminance, current and voltage at a module 1 Such a characteristic curve can also be recorded for a solar module 1 by measurements on the module itself.
  • the determination of the desired voltage or the desired current can be carried out according to two variants.
  • a conversion of the recorded U / I characteristic curves for the current ambient conditions according to DIN EN 60891 can take place or the expected values for current and voltage are determined from known data sets. After a certain amount of time, you have determined enough data records during operation to no longer have to calculate the setpoint voltage and the setpoint current. Then can be dispensed with such a calculation function in the process.
  • the radio-based solution makes it possible to equip any existing solar system with a device for monitoring device-specific parameters without major installation effort.
  • Installation support is provided by a SolarEagle handheld.
  • the system can be expanded to an infinite number of modules.
  • the SolarEagle handheld is a portable mobile device that is characterized by lightness and ergonomics. It is powered by batteries or gold caps and has a display.
  • the SolarEagle handheld Key technical components of the SolarEagle handheld are a GPS receiver and an active RFID reader.
  • the device for monitoring device-specific parameters is also equipped with an RFID module.
  • the SolarEagle handheld with GPS receiver and active RFID reader makes it possible to plan routes to eye-catching modules in large photovoltaic systems and provides installation assistance through automatic geographic localization.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Photovoltaic Devices (AREA)
  • Alarm Systems (AREA)

Abstract

L'invention concerne un procédé de surveillance de paramètres spécifiques d'un ensemble. Le but de l'invention est de fournir un procédé permettant de simplifier la surveillance de paramètres spécifiques d'un ensemble. A cet effet, selon le procédé de l'invention, des valeurs correspondant aux valeurs de mesure déterminées sont transmises à une instance centrale séparée spatialement de l'ensemble; ces valeurs reçues par l'instance centrale sont ensuite analysées et les résultats de l'analyse sont affichés.
PCT/EP2009/060891 2008-08-22 2009-08-24 Procédé et dispositif de surveillance de paramètres spécifiques d'un ensemble WO2010020697A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008039214 2008-08-22
DE102008039214.6 2008-08-22

Publications (2)

Publication Number Publication Date
WO2010020697A2 true WO2010020697A2 (fr) 2010-02-25
WO2010020697A3 WO2010020697A3 (fr) 2010-07-15

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011117485A1 (fr) * 2010-03-26 2011-09-29 Watt Consulting Dispositif et méthode pour détecter la performance de panneaux photovoltaïques
ITMI20100559A1 (it) * 2010-04-01 2011-10-02 Univ Degli Studi Genova Dispositivo di monitoraggio per stringhe di moduli fotovoltaici di impianti fotovoltaici, impianto fotovoltaico munito di tale dispositivo e uso di tale dispositivo su un impianto fotovoltaico
DE102010041126A1 (de) * 2010-09-21 2012-03-01 Siemens Aktiengesellschaft Diebstahlsicherung für eine Photovoltaik-Vorrichtung
ITRM20110625A1 (it) * 2011-11-25 2013-05-26 Enea Agenzia Naz Per Le Nuo Ve Tecnologie Metodo ed impianto di identificazione a radio frequenza georeferenziato per tracciatura ed antifurto per pannelli fotovoltaici

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020043969A1 (en) * 2000-04-25 2002-04-18 Duncan Paul G. System and method for distributed monitoring using remote sensors
FR2823055A1 (fr) * 2001-03-30 2002-10-04 Bouygues Telecom Sa Dispositif de telemesure utilisant le reseau de telephone mobile
US6545211B1 (en) * 1999-01-14 2003-04-08 Canon Kabushiki Kaisha Solar cell module, building material with solar cell module, solar cell module framing structure, and solar power generation apparatus
JP2004260015A (ja) * 2003-02-26 2004-09-16 Kyocera Corp 太陽光発電装置
WO2004090559A1 (fr) * 2003-04-04 2004-10-21 Bp Corporation North America Inc. Controleur de performance pour alimentation photovoltaique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6545211B1 (en) * 1999-01-14 2003-04-08 Canon Kabushiki Kaisha Solar cell module, building material with solar cell module, solar cell module framing structure, and solar power generation apparatus
US20020043969A1 (en) * 2000-04-25 2002-04-18 Duncan Paul G. System and method for distributed monitoring using remote sensors
FR2823055A1 (fr) * 2001-03-30 2002-10-04 Bouygues Telecom Sa Dispositif de telemesure utilisant le reseau de telephone mobile
JP2004260015A (ja) * 2003-02-26 2004-09-16 Kyocera Corp 太陽光発電装置
WO2004090559A1 (fr) * 2003-04-04 2004-10-21 Bp Corporation North America Inc. Controleur de performance pour alimentation photovoltaique

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011117485A1 (fr) * 2010-03-26 2011-09-29 Watt Consulting Dispositif et méthode pour détecter la performance de panneaux photovoltaïques
FR2958080A1 (fr) * 2010-03-26 2011-09-30 Watt Consulting Dispositif et methode pour detecter la performance de panneaux photovoltaiques
ITMI20100559A1 (it) * 2010-04-01 2011-10-02 Univ Degli Studi Genova Dispositivo di monitoraggio per stringhe di moduli fotovoltaici di impianti fotovoltaici, impianto fotovoltaico munito di tale dispositivo e uso di tale dispositivo su un impianto fotovoltaico
DE102010041126A1 (de) * 2010-09-21 2012-03-01 Siemens Aktiengesellschaft Diebstahlsicherung für eine Photovoltaik-Vorrichtung
ITRM20110625A1 (it) * 2011-11-25 2013-05-26 Enea Agenzia Naz Per Le Nuo Ve Tecnologie Metodo ed impianto di identificazione a radio frequenza georeferenziato per tracciatura ed antifurto per pannelli fotovoltaici

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