WO2010139364A1 - Dispositif et procédé de surveillance d'une installation photovoltaïque - Google Patents

Dispositif et procédé de surveillance d'une installation photovoltaïque Download PDF

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Publication number
WO2010139364A1
WO2010139364A1 PCT/EP2009/056860 EP2009056860W WO2010139364A1 WO 2010139364 A1 WO2010139364 A1 WO 2010139364A1 EP 2009056860 W EP2009056860 W EP 2009056860W WO 2010139364 A1 WO2010139364 A1 WO 2010139364A1
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WO
WIPO (PCT)
Prior art keywords
photovoltaic
module
operating parameters
unit
photovoltaic module
Prior art date
Application number
PCT/EP2009/056860
Other languages
German (de)
English (en)
Inventor
Heike Leonhardt
Original Assignee
Heike Leonhardt
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 Heike Leonhardt filed Critical Heike Leonhardt
Priority to PCT/EP2009/056860 priority Critical patent/WO2010139364A1/fr
Publication of WO2010139364A1 publication Critical patent/WO2010139364A1/fr

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Classifications

    • 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
    • H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
    • 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 device for monitoring a photovoltaic system, which is formed from a plurality of photovoltaic modules, wherein the photovoltaic system comprises detection units for detecting operating parameters.
  • the invention also relates to a method for monitoring a photovoltaic system with a plurality of photovoltaic modules.
  • operating parameters in the form of electrical parameters, in particular instantaneous values, of photovoltaic systems and of environmental parameters are recorded in order to monitor a yield output of the photovoltaic system and from this, in conjunction with the environmental parameters, the presence of To determine malfunctions of the photovoltaic system in general.
  • This acquisition and a representation of the operating parameters are also known by the term "monitoring".
  • the photovoltaic system is made up of several photovoltaic modules, with the electrical parameters of the entire photovoltaic system being recorded centrally, for example on an inverter.
  • Several photovoltaic modules, often in groups, are electrically connected to the inverter and a DC voltage generated jointly by means of the photovoltaic modules is transformed into an AC voltage.
  • the monitoring of the photovoltaic system is usually carried out by comparing their current values with well based on environmental data-based theoretical target values, which also takes place as an alternative monitoring the photovoltaic system on the other side.
  • Such a device for detecting the electrical parameters of the photovoltaic system and environmental parameters is the description and the data sheet of the "Sunny Sensor Box" of SMA Solar Technology AG, Clarallee 1, 34266 Niestetal, Germany.
  • This device is arranged on the outside of the photovoltaic system, in particular on a single photovoltaic module, and comprises an integrated solar cell, by means of which an incident solar radiation can be detected.
  • a temperature sensor is arranged on the photovoltaic module, by means of which a temperature of the photovoltaic module can be determined. From the current solar radiation and the temperature of the photovoltaic module, a desired value of an expected electric power of the photovoltaic system can be determined and compared with an actual value of the generated power measured at the inverter.
  • the device may be connected to a sensor for detecting a wind speed and / or a sensor for detecting an ambient temperature.
  • DE 10 2006 055 642 A1 discloses a method and a device for determining measured values which are characteristic of the solar irradiance at the location of a photovoltaic generator formed from a large number of solar cells.
  • a measuring solar cell exposed to the same radiation as the photovoltaic generator are measured, and the electrical energy for electrical equipment required for this purpose is generated photovoltaically.
  • a selected solar cell of the photovoltaic generator is used as a measuring solar cell.
  • a desired value of the electrical power of the photovoltaic generator is determined and compared with an output from the photovoltaic generator actual value of the power generated. If the photovoltaic generator is formed from a plurality of photovoltaic modules, the measuring solar cell is always a selected separated solar cell from a preferred, selected photovoltaic module.
  • the product description 1 TSET module sensor SOL.Connect® Monitoring "of Papendorf Software Engineering GmbH, Robert-Bosch-Str. 10, 71116 Gärtringen, Germany, is known in DE 10 2006 055 642 A1 described method and the device for determining measured values in a photovoltaic system formed from a plurality of photovoltaic modules to implement with a plurality of module sensors, d h. several photovoltaic modules of the photovoltaic system each have a module sensor, which measurement errors, which, for example, result from partial pollution should be avoided.
  • the devices and methods known from the prior art have the goal of representing a total performance of the photovoltaic system
  • the performance of the photovoltaic system inverter or string are recorded in a central location and validated by consideration of environmental data and by setpoint comparisons and confirmed.
  • the invention is based on the object to provide an apparatus and a method for monitoring a photovoltaic system, by means of which a malfunction can be clearly detected, identified and localized in the photovoltaic system.
  • the device and the method should additionally make it possible to act on the DC production of all or individual photovoltaic modules, or that they are adaptable such that higher and / or more stable power values can be achieved in the photovoltaic system.
  • the object is achieved according to the invention by a device with the features of claim 1 and a method with the features of claim 11
  • the invention relates to a device for monitoring a photovoltaic system with a plurality of photovoltaic modules, wherein the photovoltaic system comprises detection units for detecting operating parameters.
  • each photovoltaic module is coupled to a separate detection unit, wherein the respective detection unit is arranged on the photovoltaic module or integrated into the photovoltaic module, that the Bet ⁇ ebsparameter be separately detected for each photovoltaic module.
  • This separate detection for each photovoltaic module makes it possible to detect and identify malfunctions, to identify causes of these malfunctions and to unambiguously locate the faulty photovoltaic module. That is, it is possible to easily and quickly determine whether a fault exists in the photovoltaic system and where it is in the photovoltaic system, so that maintenance times and costs for photovoltaic systems with a variety of photovoltaic Modules can be lowered. This avoids local troubleshooting, resulting in reduced maintenance time and cost. Thus, a full operation of the photovoltaic system can be restored as soon as possible.
  • the respective detection unit comprises a plurality of sensors, by means of which a voltage, a current intensity and / or at least one temperature of the associated photovoltaic module can be detected.
  • This detection of the electrical parameters and the module-specific temperature, in particular a module-specific mean temperature make it possible to monitor the operation of each of the photovoltaic modules Since the electrical performance of the photovoltaic module also depends on its temperature, it is necessary that apart from the electrical parameters, which are in particular instantaneous values, also the temperature of the respective photovoltaic module is detected.
  • the respective detection unit comprises a plurality of sensors or is coupled or associated with at least one central sensor by means of which or based on which an ambient temperature, an illuminance, an illumination direction, a humidity, a precipitation, a wind speed and / or a wind direction of an environment of associated photovoltaic module or centrally for several photovoltaic modules are detected. Since these environmental parameters together influence the yield of each photovoltaic module, by the detection of these a precise analysis of the Betnebes each of the photovoltaic modules is possible.
  • the detection unit comprises at least one sensor by means of which an operation of a module-specific electronic circuit arrangement can be controlled.
  • the switching arrangement is, for example, a so-called bypass diode, such as. B is a Schottky diode, or a diode circuit, which is electrically connected in parallel with solar cells of the photovoltaic module.
  • a further such electronic switching arrangement may be provided on the photovoltaic modules and / or an energy storage unit, for example an accumulator, which, especially in the dark or a defective charge controller, causes a backflow of the electrical Energy from the energy storage unit to the photovoltaic modules prevented. Due to the monitoring of the electrical voltage of the electronic circuit arrangement, a malfunction of the photovoltaic module is detectable, so that can be avoided by localization and elimination of the malfunction resulting from this yield loss.
  • the detection units additionally each have an evaluation unit for processing and evaluation of the acquired operating parameters or they are coupled to an evaluation unit for processing and evaluation of the acquired operating parameters.
  • a coupled state in the present invention both a wireless and a wired connection understood.
  • the coupled state may include relational, value, and / or logical association.
  • the respective detection unit preferably comprises a memory unit for storing the detected operating parameters or is coupled to such a memory unit.
  • the determined operating data can be stored, resulting in the possibility to compare later recorded data with the stored data.
  • d. H. current evaluation of the operating data both a subsequent and a historical evaluation of the operating data possible.
  • the memory unit is coupled to the evaluation unit or the evaluation unit comprises the memory unit.
  • the evaluation unit comprises an output unit or the evaluation unit is coupled to an output unit, wherein based on the output unit, the operating parameters based on modules or relative to groups of photovoltaic modules can be output.
  • the evaluation unit comprises an output unit or the evaluation unit is coupled to an output unit, wherein based on the output unit, the operating parameters based on modules or relative to groups of photovoltaic modules can be output.
  • the detection unit For coupling the detection unit with the respective photovoltaic module, the detection unit has electrical connection contacts and / or non-contact sensors, which can be used flexibly for different types of photovoltaic modules, especially when needed. Thus, a subsequent disengagement of existing photovoltaic systems with the detection unit is possible
  • the detection unit comprises communication interfaces in order to enable data transmissions and / or data exchanges with the memory unit, evaluation unit and / or output unit
  • a voltage, a current intensity and / or at least one temperature of the photovoltaic module under consideration are detected as operating parameters, wherein an electrical power of the respective photovoltaic module is determined in comparisons of the determined photovoltaic module according to a further development of the method according to the invention from the voltage and the current intensity Divergences are sought which indicate errors.
  • the comparison value used is, in particular, a weighted normal value determined by the evaluation unit from the instantaneous electrical powers of all photovoltaic modules irradiated the same way or, for example, from the manufacturer of the photovoltaic modules. Module predetermined characteristic of the electrical power usually as a function of the irradiation and the temperature.
  • an ambient temperature In order to take into account the influence of ambient parameters on the electrical parameters and thus to determine whether the respective characteristics of the electrical parameters are determined by the environmental parameters or an error, an ambient temperature, an illuminance, an illumination direction, a humidity, a precipitation, detects a wind speed and / or a wind direction of the environment of the associated photovoltaic module.
  • the detected and / or determined operating parameters are stored according to an advantageous embodiment of the inventive method module-related, time-related and interconnectable.
  • the detected operating parameters for each photovoltaic module are stored separately with their detection time in the memory unit or linked via the detection time during the evaluation.
  • the detected operating parameters are transmitted module-related directly after their detection or from the memory unit to an evaluation unit, processed and compared with predetermined target values.
  • deviations are determined from which the errors are derived.
  • a module-related signal is output from the nominal values or normal values by a predetermined amount, so that the position of the fault in the photovoltaic system can be localized immediately.
  • a warning signal can be generated, so that advantageously an additional anti-theft device and / or alarm system can be omitted, so that the device and the method are simultaneously suitable for realizing the theft protection ,
  • the operating parameters by means of at least one output unit module-related or output for groups of photovoltaic modules, so that a continuous detailed monitoring of the photovoltaic modules is possible.
  • the output unit is additionally designed such that in addition to the output of the operating parameters and the signals described above are issued in the event of errors such that a designation of the defective photovoltaic module, the position of the defect in the photovoltaic system and / or indicative information issued become.
  • the invention s proper device and the fiction, contemporary methods and their developments are not only suitable for monitoring photovoltaic systems, but also for other DC supplying facilities, such as battery sets, wind generators, fuel cells and others.
  • FIG 1 shows schematically a section of a photovoltaic system with several photovoltaic modules.
  • the sole FIGURE 1 shows a detail of an exemplary embodiment of a photovoltaic system 1, also referred to as S olar generator, with a plurality of photovoltaic modules 2 1 to 2 n in one of a plurality of stands 9 1 to 9 n, in each of which a detection unit. 3 1 to 3 n is integrated for module-related detection of operating parameters B 1 to B n.
  • the detection unit 3 1 to 3 n can also be mounted on the photovoltaic modules 2 1 to 2 n or flexibly connected to / between cables
  • a photovoltaic module 2 1 to 2 n is formed from a plurality of electrically interconnected solar cells, which may be applied to a carrier material for protection against mechanical stress, weather conditions and / or moisture and arranged in a housing or frame on the sunlight-facing side the housing is formed of a transparent plastic or glass sheet with a high Licht barnlas fluidity, so that the sunlight can reach the solar cells as possible unhindered to generate the electrical energy
  • photovoltaic modules 2 1 to 2 n may be photovoltaic modules 2 1 to 2 n but also modules with different structures or elements supplying other direct current
  • the photovoltaic system 1 is in particular a photovoltaic power plant, which is formed from a plurality of photovoltaic modules 2 1 to 2 n, the energy obtained from solar energy stored or fed into a power grid 4
  • the photovoltaic system 1 is preferably on a large open space er ⁇ chtet or arranged on large Gebudeflachen
  • the generated direct current with electrical converters for example by means of at least one inverter 5 in An alternating current converted and fed into the trained as an AC power grid 4.
  • the photovoltaic system 1 may also be a so-called autonomous system, in which the generated electrical energy is stored in energy storage units, in particular accumulators, provided for this purpose or is used directly for the purpose of using electrical consumers.
  • monitoring of the electric power delivered by each photovoltaic module 2.1 to 2 n is suitable.
  • the electrical performance of the modules is dependent on several influencing factors. It is primarily a lighting intensity, i. H. an intensity of the light striking the solar cells. The higher the illumination is strong, the greater is the electrical current strength of the respective photovoltaic module 2.1 to 2.n, with the same parameters otherwise, resulting in a greater output electrical power results.
  • Another influencing factor on the size of the electric power generated is a temperature of the respective photovoltaic module 2.1 to 2 n itself, since at a higher temperature, the generated voltage of the photovoltaic module 2.1 to 2.n and thus reduces the electrical power.
  • the temperature of the photovoltaic module 2.1 to 2.n increases strongly with increasing illumination up to a maximum value over time.
  • the detected temperature of the photovoltaic module 2.1 to 2.n is in addition to the irradiation, which is characterized by the lighting strong and the lighting direction, dependent on other factors, in particular an ambient temperature, humidity, precipitation, wind speed and wind direction.
  • the total output from the photovoltaic system 1 electrical power is determined by the totality of the photovoltaic modules 2.1 to 2.n, so that a failure of a photovoltaic module 2.1 to 2.n can lead to the delivered elektnesche performance of Photovoltaic system 1 greatly reduced
  • a detection unit 3.1 integrated to 3. n.
  • Detection unit 3.1 to 3. n is preferably during the production of the associated photovoltaic module 2 1 to 2.n in this integnert and electrically connected to this
  • the detection unit 3.1 to 3. n is designed as a separate device, wherein the respective detection unit 3.1 to 3.n comprises a housing and interfaces and / or connection contacts, by means of which the respective detection unit 3.1 to 3.n comprises a housing and interfaces and / or connection contacts, by means of which the respective detection unit 3.1 to 3.n comprises a housing and interfaces and / or connection contacts, by means of which the respective detection unit 3.1 to 3.n comprises a housing and interfaces and / or connection contacts, by means of which the respective
  • Detection unit 3.1 to 3.n can be connected to the associated photovoltaic module 2.1 to 2.n By this separate design of the detection unit 3.1 to 3 n, it is possible for the detection unit 3 1 to 3.n regardless of a type of photovoltaic modules 2.1 to 2.n use universally and in particular already existing photovoltaic systems 1 with the detection units 3 1 to 3.n Nachzurusten, d. h to complete
  • the detection units 3 1 to 3 n each have at least one current sensor and / or emen voltage sensor, by means of which the electrical power of the photovoltaic module 2 1 to 2.n determining voltage and current values are detected module-related.
  • the current and voltage sensors are, in particular, measuring devices and / or measuring circuits, by means of which the current intensity and the voltage are detected without contact or directly at electrical contacts of the photovoltaic modules 2 1 to 2.n.
  • the detection units 3.1 to 3 n preferably each comprise at least one sensor for detecting the temperature of the respective photovoltaic module 2.1 to 2.n. Since the photovoltaic modules 2.1 to 2.n, due to their arrangement in the photovoltaic system 1, for example, at the edge of this, different temperatures, which result from a different cooling, may have, it is advantageous if all or at selected photovoltaic Modules 2.1 to 2 n several temperatures are measured.
  • the detection units 3.1 to 3.n each have a further sensor for detecting the environmental parameter "illuminance" or are coupled with such a sensor for detecting the illumination strong for several or all photovoltaic modules 2.1 to 2.n.
  • This sensor is a light-sensitive sensor, for example a solar cell, which generates strong changed signals as a function of the illumination, for example current signals having different amplitudes.
  • partial shading of the photovoltaic modules 2.1 to 2.n can also be detected
  • the detection units 3.1 to 3.n include sensors for detecting the illumination direction, the humidity, the precipitation, salinity of the air, wind speed and wind direction and other environmental parameters or are coupled to such sensors. It can Sensors for detecting the environmental parameters also be provided for several or all photovoltaic modules 2.1 to 2.n.
  • These environmental parameters detected by the sensors and the operating parameters B.l to B.n of the photovoltaic modules 2.1 to 2.n are preferably formatted after their detection.
  • the operating parameters Bl to Bn and / or the environmental parameters are in particular assigned an identifier of the respective photovoltaic module 2.1 to 2.n and / or a detection time, so that it is clearly identifiable when the operating parameters Bl to Bn were detected and to Which of the photovoltaic modules 2.1 to 2.n they belong.
  • the operating parameters B.l to B.n and / or environmental parameters of each of the detection units 3.1 to 3.n are transmitted to a memory unit 6 in which they are stored in a module-related manner.
  • the detection units 3.1 to 3.n have communication interfaces, wherein the memory unit 6 and the detection units 3.1 to 3.n are in particular connected to each other via a data bus, wired or wireless.
  • the solar cables are also used as carriers of the signals for a data bus.
  • the operating parameters B1 to Bn and / or environmental parameters are transmitted from the memory unit 6 to an evaluation unit 7, by means of which they are processed and evaluated in a module-related manner.
  • the memory unit 6 can be read continuously, at intervals or on request, wherein the stored data can be stored module-related in external databases or files and / or further evaluated and displayed
  • the electrical power of the respective photovoltaic module 2 1 to 2 n is determined, inter alia, from the detected voltage and the current strength. This determined electrical power is compared with weighted normal values and a stored setpoint value
  • the temperature of the respective photovoltaic Module 2 1 to 2 n and the detected environmental parameters taken into account, the setpoints for this purpose, preferably as a characteristic curves depending on the lighting strong and the temperature of the photovoltaic module 2 1 to 2 n and the environmental parameters are stored
  • the yield of the photovoltaic modules 2 1 to 2 n is compared in relation to the environmental parameters and among themselves time-related, with deviations also errors can be derived
  • the evaluation unit 7 is further connected to an output unit 8, by means of which the detected and determined from these operating parameters B 1 to B n and / or environmental parameters are output module-related
  • Limits or relationships are specified which indicate the amount by which the operating parameters B 1 to B n may deviate from the specified setpoint for certain environmental parameters. If these limits are exceeded, an additional message is output which, in addition to the error, also identifies, for example, the identifier Photovoltaic module 2 1 to 2 n and the detection time so that the error is clearly described can be located quickly and easily
  • the evaluation unit 7 is connected in a manner not shown in detail via a communication interface with a central, so that on the one hand, a so-called remote control of the photovoltaic system 1 and its suitable components and remote monitoring of the photovoltaic system 1 is possible.
  • the data is sent as a short message to a mobile terminal or as a similar electronic document via a wired or wireless connection to specific receivers
  • an operator of the photovoltaic system 1 to monitor the operation and the yield of the photovoltaic system 1 by storing the operating parameters Bl to B n and / or environmental parameters in the memory unit or by a continuous evaluation of these over long periods of time and to deduce causes for the actual yield from the operating parameters B.1 to Bn and / or environmental parameters recorded over the longer period
  • the recorded operating parameters B.1 to Bn and / or environmental parameters are preferably processed such that they can be compared in modules and / or with the inverter 5 detected string or system data, so that errors in the photovoltaic system 1 recognizable are.
  • LEDs are switchable to a photovoltaic module 2.1 to 2.n.

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  • Engineering & Computer Science (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)

Abstract

L'invention concerne un dispositif de surveillance d'une installation photovoltaïque (1) qui est composée de plusieurs modules photovoltaïques (2.1 à 2.n), l'installation photovoltaïque (1) comportant des unités de détection (3.1 à 3.n) pour détecter des paramètres de fonctionnement (B.1 à B.n). À cet effet, chaque module photovoltaïque (2.1 à 2.n) est relié à une unité de détection séparée (3.1 à 3.n), l'unité de détection (3.1 à 3.n) en question étant disposée sur le module photovoltaïque (2.1 à 2.n) ou étant intégrée dans le module photovoltaïque (2.1 à 2.n) de telle manière que les paramètres de fonctionnement (B.1 à B.n) puissent être détectés séparément pour chaque module photovoltaïque (2.1 à 2.n). L'invention concerne également un procédé pour la surveillance modulaire d'une installation photovoltaïque (1) comprenant plusieurs modules photovoltaïques (2.1 à 2.n).
PCT/EP2009/056860 2009-06-04 2009-06-04 Dispositif et procédé de surveillance d'une installation photovoltaïque WO2010139364A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/EP2009/056860 WO2010139364A1 (fr) 2009-06-04 2009-06-04 Dispositif et procédé de surveillance d'une installation photovoltaïque

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Application Number Priority Date Filing Date Title
PCT/EP2009/056860 WO2010139364A1 (fr) 2009-06-04 2009-06-04 Dispositif et procédé de surveillance d'une installation photovoltaïque

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013000552A1 (fr) 2011-06-28 2013-01-03 Adensis Gmbh Procédé et dispositif de vérification du fonctionnement d'un module photovoltaïque
EP2587274A1 (fr) * 2011-10-28 2013-05-01 IMS Connector Systems GmbH Procédé de surveillance des modules photovoltaïques

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10136147A1 (de) * 2001-07-25 2003-02-20 Hendrik Kolm Photovoltaischer Wechselstromerzeuger
WO2004090559A1 (fr) * 2003-04-04 2004-10-21 Bp Corporation North America Inc. Controleur de performance pour alimentation photovoltaique
US20040211456A1 (en) * 2002-07-05 2004-10-28 Brown Jacob E. Apparatus, system, and method of diagnosing individual photovoltaic cells
WO2008012041A1 (fr) * 2006-07-25 2008-01-31 Diehl Ako Stiftung & Co. Kg Installation photovoltaïque
DE202008012345U1 (de) * 2008-08-22 2009-03-12 EPROTECH Reimann e.K. Jürgen Reimann Vorrichtung zur Überwachung einzelner Photovoltaikmodule einer Photovoltaikanlage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10136147A1 (de) * 2001-07-25 2003-02-20 Hendrik Kolm Photovoltaischer Wechselstromerzeuger
US20040211456A1 (en) * 2002-07-05 2004-10-28 Brown Jacob E. Apparatus, system, and method of diagnosing individual photovoltaic cells
WO2004090559A1 (fr) * 2003-04-04 2004-10-21 Bp Corporation North America Inc. Controleur de performance pour alimentation photovoltaique
WO2008012041A1 (fr) * 2006-07-25 2008-01-31 Diehl Ako Stiftung & Co. Kg Installation photovoltaïque
DE202008012345U1 (de) * 2008-08-22 2009-03-12 EPROTECH Reimann e.K. Jürgen Reimann Vorrichtung zur Überwachung einzelner Photovoltaikmodule einer Photovoltaikanlage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013000552A1 (fr) 2011-06-28 2013-01-03 Adensis Gmbh Procédé et dispositif de vérification du fonctionnement d'un module photovoltaïque
DE102011105869A1 (de) * 2011-06-28 2013-01-03 Adensis Gmbh Funktionsüberprüfung eines Photovoltaik-Moduls
US9851395B2 (en) 2011-06-28 2017-12-26 Adensis Gmbh Method and device for checking the operation of a photovoltaic module
EP2587274A1 (fr) * 2011-10-28 2013-05-01 IMS Connector Systems GmbH Procédé de surveillance des modules photovoltaïques

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