EP2718733A2 - Verfahren zur messung der hochspannungsdegradation von zumindest einer solarzelle oder eines photovoltaik-moduls sowie verwendung desselben bei der herstellung von solarzellen und photovoltaik-modulen - Google Patents
Verfahren zur messung der hochspannungsdegradation von zumindest einer solarzelle oder eines photovoltaik-moduls sowie verwendung desselben bei der herstellung von solarzellen und photovoltaik-modulenInfo
- Publication number
- EP2718733A2 EP2718733A2 EP12730409.5A EP12730409A EP2718733A2 EP 2718733 A2 EP2718733 A2 EP 2718733A2 EP 12730409 A EP12730409 A EP 12730409A EP 2718733 A2 EP2718733 A2 EP 2718733A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- solar cell
- photovoltaic module
- conductive plastic
- solar cells
- voltage
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/129—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of components or parts made of semiconducting materials; of LV components or parts
-
- 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
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P74/00—Testing or measuring during manufacture or treatment of wafers, substrates or devices
- H10P74/20—Testing or measuring during manufacture or treatment of wafers, substrates or devices characterised by the properties tested or measured, e.g. structural or electrical properties
- H10P74/207—Electrical properties, e.g. testing or measuring of resistance, deep levels or capacitance-voltage characteristics
-
- 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 generally to a method of measuring high voltage degradation (HVS) or potential induced degradation (PID) of solar cells, and more particularly to a method for measuring the high voltage degradation of at least one solar cell.
- HVS high voltage degradation
- PID potential induced degradation
- an elastic conductive plastic is pressed onto the respective solar cell and at the same time an electrical parameter of the respective solar cell is measured repeatedly at temporal intervals.
- Further applications also relate to high-voltage degradation and the measurement of corresponding parameters for finished photovoltaic modules.
- Another aspect of the present invention relates to the use of such a method in the manufacture of solar cells or photovoltaic modules.
- a typical photovoltaic module comprises a plurality of solar cells, which are connected in series by means of metallic connectors.
- the solar cells are laminated in an embedding material, which is insulating and should protect it from the weather.
- the series connection of the solar cells in a photovoltaic module and the series connection of several such photovoltaic modules to a system regularly generates system voltages of several 100 V, resulting in very high electric fields between solar cells and ground potential, leading to unwanted displacement and Lead leakage currents.
- charges can be permanently deposited on the surface of the solar cells, which can significantly reduce their parallel resistance and thus their efficiency.
- EP 1 274 760 B1 and US 2007/0246094 A1 disclose plastic electrodes for solar cells, which are either firmly connected to the semiconductor surface by means of layer deposition techniques or which are present in the form of measuring tip electrodes which can be applied only locally to a surface.
- the object of the present invention is to provide a simple and rapidly executing method by which the stability of solar cells can be reliably tested against the application of charges. Further applications also relate to corresponding test methods for finished photovoltaic modules.
- an electrically conductive plastic in particular an electrically conductive plastic with a certain elasticity, such as a suitable elastomeric plastic or foam, on the top or bottom, in particular the front of the respective solar cell and a DC voltage greater than 50 V and in particular of the order of can reach several 100 V to, for example, about 6500 V, between the conductive plastic and the respective solar cell applied.
- the respective solar cell is preferably arranged directly on a grounded ground plate, for example made of stainless steel.
- the DC voltage is preferably uniformly applied to the top or bottom, in particular the front, of the respective solar cell.
- the high voltage can be applied to the conductive plastic via a high-voltage electrode, wherein preferably the entire back of the conductive foam layer, ie the top or bottom, in particular the front of the solar cell, facing away back of the foam, at least in the solar cell directly opposite Area is completely coated or coated with a conductive layer, in particular a metal layer or metallization. So charges can be evenly distributed.
- an electrical characteristic of the respective solar cell for example a voltage-current characteristic (UI characteristic) and / or a parallel resistor is repeated and measured at time intervals in order to characterize the respective solar cell and data on the basis of which the quality and suitability of the respective solar cell for installation in a photovoltaic module can be assessed.
- UI characteristic voltage-current characteristic
- a parallel resistor is repeated and measured at time intervals in order to characterize the respective solar cell and data on the basis of which the quality and suitability of the respective solar cell for installation in a photovoltaic module can be assessed.
- the electrically conductive plastic is preferably at a predetermined and uniform over the entire surface of the the pressure is preferably selected so that the foam retains its elastic properties and thus is reusable for a new test. Care should be taken to a certain minimum pressure in order to ensure a full-surface investment of the foam on the top or bottom, in particular the front, the respective solar cell, this pressure may for example be at least 0.3 kPa.
- Elastic foams made from a plastic based on styrene or polyurethane, in particular also produced under inert gas atmospheres, in particular inert gas atmospheres, are particularly suitable as electrically conductive plastics. Also suitable is conductive elastic rubber and silicone.
- the pressure can be exerted by means of an insulating plastic plate acting on the back side of the conductive plastic.
- a fiber-reinforced plastic plate can be used, which allows a comparatively high flexural rigidity and thus an equalization of the pressure plate even with local force on the plastic.
- the DC voltage is applied from a high voltage source by means of at least one electrode connected to the rear side, i. H. is connected to the above-mentioned upper or lower side, in particular the front side, the respective solar cell side facing away from the conductive foam and contacted them.
- a first or second electrical voltage is preferably applied between the solar cell and a counterelectrode or between the cell matrix of a photovoltaic module and a counterelectrode.
- the solar cell or the photovoltaic module with the back expediently rests on a grounded bottom plate, wherein the aforementioned first or second voltage by means of a counter electrode to the top or bottom, in particular the front, the solar cell or the photovoltaic module is created.
- a counter electrode is particularly suitable an elastic, electrically conductive plastic, which against the top or Bottom, in particular the front, the solar cell or the photovoltaic module is suitably pressed.
- the counterelectrode expediently lies all over the entire surface on the upper or lower side, in particular the front side, the solar cell or the photovoltaic module and is for this purpose by means of a pressure plate or the like against the top or bottom, in particular the front, the solar cell or the photovoltaic - Module pressed.
- the counter electrode need not necessarily rest against the entire surface of the top or bottom, in particular the front side, the solar cell or the photovoltaic module, but does so according to a further preferred embodiment.
- the electrical characteristic of the solar cell is measured by means of a measuring electrode, which passes through the conductive plastic by means of an insulating sleeve, in particular a plastic sleeve and with the top or bottom, in particular the front, of the respective solar cell, preferably the metallization on the Front of the respective solar cell, in contact.
- a contacting contact may be sufficient.
- the thickness of the conductive plastic can vary, for example, depending on the test conditions to be realized or due to the pressurization.
- the measuring electrode sleeves are preferably designed height adjustable.
- At back contact solar cells in the device at least two separate contacts on the back.
- the sheet resistance of the conductive plastic ie the specific resistance / thickness in the range between and 10 5 to 10 11 ⁇ / sq, to ensure uniform charging of the solar cell.
- the electrical characteristic of a plurality of solar cells is measured sequentially by the solar cells are switched in a predetermined order by means of a multiplexer and at predetermined time intervals or switched through to perform the respective test measurements.
- the electrical characteristic of the respective solar cell can according to another Export Form also be measured while the conductive plastic is pressed onto the top or bottom, in particular the front, of the respective solar cell and the DC voltage is applied.
- corona discharges are applied to the respective solar cell or solar cells and the electrical characteristic of the respective solar cell is measured repeatedly at temporal intervals.
- the aforementioned conductive plastic is not necessary, the corona discharges can also be applied in the presence of a gas atmosphere, in particular air. The measurement is carried out in a similar manner by means of a
- Measuring electrode which the top or bottom, in particular the front, the solar cell contacts locally, as described above.
- the electrical parameter is preferably a current-voltage characteristic and / or a parallel resistance of the respective solar cell, which is measured over an extended period of, for example, twenty-four hours. On the basis of the time course of the respective characteristic can be deduced the high-voltage degradation. According to another embodiment, the test conditions may also be increased
- Humidity and / or temperature in the environment, for which purpose the solar cell to be tested can also be introduced into a climatic chamber or the like, wherein predetermined values and / or time courses of these parameters can be set.
- the humidity can be 85% and the temperature 85 ° C.
- Another aspect of the present invention further relates to the use of a method as described above for measuring the high-voltage degradation of a photovoltaic module in which a plurality of solar cells are installed.
- Front in particular the front cover glass, the photovoltaic module brought into contact or the Coronaentladitch applied in this area.
- the measurement of an electrical characteristic in executed accordingly. Even under such conditions, leakage currents, current-voltage characteristics, parallel resistances and the like of finished photovoltaic modules can be measured surprisingly simply and reliably under the action of high voltage.
- FIG. 1 shows in a schematic cross section the layer structure of a photovoltaic module, on the front cover glass of a conductive plastic is applied to perform a test method according to the present invention
- FIG. 2 is a schematic sectional view of a measurement setup for the simultaneous degradation and measurement of a plurality of photovoltaic modules
- FIG. 3 shows a schematic representation of a measuring structure for carrying out the method according to the invention.
- the photovoltaic module comprises a plurality of solar cells 4, which are embedded on the front and back in an embedding material 3, 5, for example EVA, so as to provide a weatherproof hermetic encapsulation and insulation.
- a backsheet 6 is provided in the usual manner on the back.
- the front side of the photovoltaic module is covered by a cover glass 2.
- Such a layer structure is enclosed in a known manner in a frame (not shown).
- the conductive elastic plastic 1 is pressed by means of the pressure plate 7 and between plastic 1 and solar cells 4, a high electrical voltage is applied.
- the Pressure plate 7 instead of the Pressure plate 7 uses a second photovoltaic module between the cell matrix and the plastic 1 is also applied a high electrical voltage.
- a measuring device 15 for carrying out the method according to the invention is described below with reference to FIG. 3, using the example of measuring the high-voltage degradation of a solar cell 4.
- a grounded ground plate 16 which is preferably made of a stainless steel.
- the back of the solar cell 4 is located.
- the back of the conductive plastic 1 facing away from the solar cell 4 may be provided with a metal plate or metallization (shown in FIG. 3 without reference numerals).
- the elastic plastic 1 is uniformly pressurized by means of a pressure plate 7, preferably made of a fiber-reinforced plastic.
- a pressure plate 7 preferably made of a fiber-reinforced plastic.
- the constant electrical potential difference is generated by applying a suitable voltage, preferably a high voltage, to the metal plate or metallization, wherein the back of the solar cell 4 rests on the grounded plate 16 over its entire area.
- the pressure plate 7 serves not only a pressurization, but also an isolation to the environment.
- At least one high-voltage contact electrode 17 extends through the pressure plate 7 as far as the metal plate or metallization, which is in each case connected to a high-voltage source 20.
- the high-voltage contact electrode 17 is suitably screwed into an insulating contact sleeve.
- the high voltage contact electrode 17 is electrically isolated from the pressure plate 7.
- the base plate 16 can also be made insulated so that the high voltage can be applied to it and the earth potential to the conductive plastic.
- voltage may be applied to a photovoltaic module to be measured and evaluated in a similar manner.
- At least one insulating contact sleeve 18 is further screwed, in which a measuring contact is used, which contacts the front of the solar cell 4, in particular a Vorderpitmetallmaschine the solar cell to be evaluated 4, to measure the electrical characteristic.
- the measuring contact touches the front-side metallization of the solar cell 4.
- the bottom plate is made of insulating plastic instead of stainless steel and provided with conductor tracks and possibly also with contact pins, so that the two poles of the solar cell are contacted separately to the electrical Measure characteristic.
- the materials used in the construction are designed for temperatures up to about 130 ° C, wherein the plate spacing between the pressure plate 7 and base plate 16 between 10 and 20 mm is adjustable.
- the contact sleeves 18 are therefore designed to be height adjustable. So that the conductive plastic 1 does not slippage laterally during the test, positioning means, for example in the form of lateral projections, are provided on the pressure plate 7, which hold the plastic in its position.
- the base plate 16 is connected to a ground potential and the high voltage contact electrode 17 is connected to a high voltage power source 20.
- Each measuring point which is formed via the measuring contact 18, via an oppositely arranged Zener diode pair ZI ... Z40 to protect against unwanted voltage peaks in the measurement in parallel to the meter 22, in particular a digital multimeter, connected. Occur voltages of, for example, greater than 12 V or less than -12 V. during measurement on the measuring contacts 18, then breaks the antiserial arranged Zener diode pair and closes the circuit short.
- the electrical characteristics at a plurality of discrete measuring points 18, which correspond to the aforementioned contact sleeves can be measured sequentially and in a predetermined time sequence by the respective
- Measuring contact 18 is switched on or switched through.
- the output signals of the measuring device 22 are passed to an evaluation device 23, for example a computer, which evaluates the measured data obtained and / or graphically processed.
- these can be held on the base plate 16 at predetermined positions by placing different test fields with standardized sizes, for example four inches by four inches, five inches by five inches, six inches by six inches, seven on the front of the base plate Inch times seven inches, are embedded, for example in the form of wells of suitable size in accordance with the size of each solar cell to be measured, which are etched or engraved in particular.
- the entire measuring range including the bottom plate 16, the electrically conductive elastic plastic 1 and the pressure plate 7 can also be arranged in a climatic chamber in which suitable environmental conditions can be simulated, in particular elevated temperatures, for example of 85 ° C, and / or a predetermined relative humidity, for example, 85%. Additionally or alternatively, only the conductive plastic 1 and / or the solar cell to be measured or the photovoltaic module to be measured can be kept at a predetermined temperature, for example greater than 40 ° C.
- a voltage of preferably a few hundred volts, for example 1000 V is applied between the conductive plastic 1 and the solar cell to be tested or the photovoltaic module to be tested.
- the module or solar cell is disconnected from the voltage and the electrical parameter is determined, in particular a current-voltage characteristic (IU, dark characteristic and / or bright characteristic and / or the parallel resistor.)
- the electrical parameters can also be determined without interruption high voltage be measured. It should be noted that, in principle, higher voltages can also be applied than stated above, in particular voltages of up to 6,500 V.
- FIG. 4 shows exemplary measurement curves for eight solar cells, which were repeatedly measured over a period of 1350 minutes. Plotted in FIG. 4 is the respective parallel resistor over time. It can be seen that some cells are already degraded after a short time and thus are not suitable for further use for installation in a photovoltaic module.
- solar cells can be meaningfully evaluated and, if necessary, sorted out within comparatively short periods of time, for example overnight or one working day, for example if the measured electrical parameter or a quantity derived therefrom are not within a range predetermined range is or exceeds or exceeds a predetermined threshold.
- the pressure of the conductive and elastic plastic against the glass surface of photovoltaic modules should be set reproducibly and constantly. 2, in which a plurality of photovoltaic modules 8 are clamped along guide rods 10 with the interposition of a respective conductive plastic layer 1. Between each two pairs of photovoltaic modules 8, the guide rods 10 enclosing a spacer 9 is laterally arranged so that the photovoltaic modules 8 can be applied in pairs and with the interposition of the conductive plastic 1 with a uniform pressure. In this clamping device, a uniform pressure must be applied to the lateral sliding elements 11, which can be easily realized, for example, by a final cover plate (not shown).
- FIG. 1 Another important aspect of the present invention is directed to a measuring device for carrying out the aforementioned measuring or evaluation method, as illustrated by way of example in FIG.
- Another important aspect of the present invention is further directed to a method of manufacturing solar cells or photovoltaic modules having a plurality of such solar cells using the aforementioned measurement method.
- first solar cells are formed by means of a suitable manufacturing process. Subsequently, the solar cells are evaluated individually or in groups by means of the measuring device shown in FIG. In such a method, only such solar cells continue to be used, that is, for example, packaged ready for use or further processed into photovoltaic modules, for which the measured electrical characteristic fulfills a predetermined criterion.
- the photovoltaic modules can initially also be formed by means of a suitable manufacturing method. Subsequently, the photovoltaic modules are each evaluated by means of the measuring device shown in FIG. In such a method, only such photovoltaic modules continue to be used, that is, for example, packaged ready for use ready-made, for which the measured electrical characteristic fulfills a predetermined criterion.
- the conductive plastic or the corona discharge is applied or applied to the front side of the solar cell or the photovoltaic module
- the conductive plastic or the corona discharge can also be pressed or applied to the back of the solar cell or the photovoltaic module.
- the method of the present invention can be used not only for rapid testing of single or multiple solar cells but also entire photovoltaic modules. Overall, meaningful parameters can be reliably derived within a relatively short time, wherein the application of liquids or paint on the module surface is not necessary.
- the test method disclosed above is suitable for a fully automatic test procedure and evaluation.
- individual solar cells or photovoltaic modules can be sorted out (for example, if the measured electrical parameter or a quantity derived therefrom is not within a predetermined range or falls below or exceeds a predetermined threshold value) or these can be subjected to a further after-treatment. until the desired electrical characteristic is set.
- a particular advantage is that the method according to the invention can also be carried out rapidly at the cell level, with the solar cells which have been tested being able to be further processed directly to form a photovoltaic module without further elaborate preparation.
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- General Physics & Mathematics (AREA)
- Photovoltaic Devices (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011104693 | 2011-06-05 | ||
| DE102011051112.1A DE102011051112B4 (de) | 2011-06-05 | 2011-06-16 | Verfahren zur Messung der Hochspannungsdegradation von zumindest einer Solarzelle oder eines Photovoltaik-Moduls sowie dessen Verwendung |
| PCT/EP2012/060613 WO2012168249A2 (de) | 2011-06-05 | 2012-06-05 | Verfahren zur messung der hochspannungsdegradation von zumindest einer solarzelle oder eines photovoltaik-moduls sowie verwendung desselben bei der herstellung von solarzellen und photovoltaik-modulen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2718733A2 true EP2718733A2 (de) | 2014-04-16 |
Family
ID=47173118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12730409.5A Ceased EP2718733A2 (de) | 2011-06-05 | 2012-06-05 | Verfahren zur messung der hochspannungsdegradation von zumindest einer solarzelle oder eines photovoltaik-moduls sowie verwendung desselben bei der herstellung von solarzellen und photovoltaik-modulen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9506975B2 (de) |
| EP (1) | EP2718733A2 (de) |
| CN (1) | CN103874928B (de) |
| DE (1) | DE102011051112B4 (de) |
| WO (1) | WO2012168249A2 (de) |
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| US9876468B2 (en) * | 2012-11-20 | 2018-01-23 | University Of Central Florida Research Foundation, Inc. | Method, system and program product for photovoltaic cell monitoring via current-voltage measurements |
| DE102012022825B4 (de) * | 2012-11-22 | 2014-10-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Prüfung der Anfälligkeit für potentialinduzierte Degradation bei Komponenten von Solarmodulen |
| CN104167989B (zh) * | 2013-05-20 | 2016-08-31 | 晶科能源有限公司 | 一种太阳能电池片抗pid效应能力的检测装置及检测方法 |
| BE1020776A5 (nl) | 2013-05-27 | 2014-04-01 | Futech | Werkwijze en inrichting voor het detecteren, regenereren en/of voorkomen van defecten in een zonnepaneelinstallatie. |
| CN103454567B (zh) * | 2013-08-29 | 2015-12-09 | 上海晶澳太阳能科技有限公司 | 设定水膜厚度的pv组件pid水平测试方法及测试系统 |
| US10547272B2 (en) * | 2013-09-19 | 2020-01-28 | Episolar, Inc. | Device for measuring leakage current and aging of a photovoltaic module |
| CN103904993B (zh) * | 2014-03-13 | 2016-04-27 | 苏州阿特斯阳光电力科技有限公司 | 一种太阳能电池片的pid测试方法 |
| DE102015108880A1 (de) | 2015-06-04 | 2016-12-08 | Hanwha Q.CELLS GmbH | Vorrichtung und Verfahren zur Temperatursteuerung von gestapelten Photovaltaikzellen |
| DE102015213047A1 (de) * | 2015-06-08 | 2016-12-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren und Anordnung zur Prüfung eines Solarmoduls auf Anfälligkeit für Potential-induzierte Degradation |
| CN106486389A (zh) * | 2015-08-24 | 2017-03-08 | 电子部品研究院 | 太阳能电池的pid特性测试方法、测试用薄片及其制造方法 |
| CN105388944A (zh) * | 2015-12-03 | 2016-03-09 | 中国华能集团清洁能源技术研究院有限公司 | 光伏检测的装置和方法 |
| CN105450175B (zh) * | 2015-12-04 | 2018-03-02 | 海润光伏科技股份有限公司 | 测试光伏电站组件污染的装置 |
| CN106253850B (zh) * | 2016-08-29 | 2018-09-14 | 奥特斯维能源(太仓)有限公司 | 一种减反射膜抗pid性能的测试方法 |
| CN108306612B (zh) | 2017-12-20 | 2019-11-26 | 华为技术有限公司 | 一种光伏电站中的光伏组件衰减修复方法和装置 |
| CN108429535B (zh) * | 2018-03-12 | 2019-07-16 | 福建省宏闽电力工程监理有限公司 | 一种光伏模块中电位诱发的劣化电路布置用线路固定装置 |
| US10931229B2 (en) | 2018-12-13 | 2021-02-23 | Industrial Technology Research Institute | Solar cell testing system and testing method thereof |
| CN109541429A (zh) * | 2018-12-28 | 2019-03-29 | 佛山科学技术学院 | 一种光热电三场耦合器件测试装置 |
| US12102303B2 (en) | 2019-04-05 | 2024-10-01 | Gynetronics Ltd. | Method and apparatus for direct in-vivo, electrical and chemical monitoring and stimulation of the endometrial cavity |
| FR3097705B1 (fr) * | 2019-06-20 | 2021-07-02 | Commissariat Energie Atomique | Procede de caracterisation electrique d’une cellule photovoltaique decoupee |
| US10734945B1 (en) * | 2019-11-20 | 2020-08-04 | Gumi Electronics & Information Technology Research Institute | Potential induced degradation test apparatus for solar cell and the method thereof |
| US11456698B2 (en) * | 2020-02-28 | 2022-09-27 | University Of Cyprus | Early detection of potential induced degradation in photovoltaic systems |
| DE102020203747B4 (de) | 2020-03-24 | 2022-08-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Verfahren zur Prüfung von Solarmodulen oder Solarzellen auf potentialinduzierte Degradation |
| CN111446923B (zh) * | 2020-04-09 | 2021-09-21 | 杭州晶宝新能源科技有限公司 | 一种太阳电池的电势感应衰减快速测试方法及系统 |
| CN112803894B (zh) * | 2021-02-25 | 2025-04-08 | 莱茵技术(上海)有限公司 | 一种光伏组件水下电势诱导衰减的测试装置 |
| CN115206818B (zh) * | 2021-03-26 | 2025-07-25 | 苏州阿特斯阳光电力科技有限公司 | 一种太阳能电池片的pid测试方法 |
| CN113206021B (zh) * | 2021-04-27 | 2024-08-23 | 浙江贝盛光伏股份有限公司 | 一种用于晶硅电池衰减的检测装置 |
| CN115694355A (zh) * | 2021-07-26 | 2023-02-03 | 浙江晶科能源有限公司 | 电池片pid测试方法 |
| DE102023129753A1 (de) * | 2023-10-27 | 2025-04-30 | Wavelabs Solar Metrology Systems Gmbh | Solarzellentestvorrichtung zur Messung elektrischer Kenndaten einer Solarzelle |
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| US20010040453A1 (en) * | 2000-03-29 | 2001-11-15 | Fumitaka Toyomura | Method and apparatus for testing solar panel, manufacturing method for manufacturing the solar panel, method and apparatus for inspecting solar panel generating system, insulation resistance measuring apparatus, and withstand voltage tester |
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2012
- 2012-06-05 CN CN201280038491.8A patent/CN103874928B/zh active Active
- 2012-06-05 EP EP12730409.5A patent/EP2718733A2/de not_active Ceased
- 2012-06-05 WO PCT/EP2012/060613 patent/WO2012168249A2/de not_active Ceased
- 2012-06-05 US US14/123,842 patent/US9506975B2/en active Active
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| US20010040453A1 (en) * | 2000-03-29 | 2001-11-15 | Fumitaka Toyomura | Method and apparatus for testing solar panel, manufacturing method for manufacturing the solar panel, method and apparatus for inspecting solar panel generating system, insulation resistance measuring apparatus, and withstand voltage tester |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103874928A (zh) | 2014-06-18 |
| DE102011051112A1 (de) | 2012-12-06 |
| US20140132302A1 (en) | 2014-05-15 |
| DE102011051112B4 (de) | 2015-01-08 |
| WO2012168249A3 (de) | 2013-03-21 |
| US9506975B2 (en) | 2016-11-29 |
| WO2012168249A2 (de) | 2012-12-13 |
| CN103874928B (zh) | 2016-08-17 |
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