Easy Measures is leader on technical inspection and diagnostic services on PV power plants cooperating with several renowned certification authorities, accredited laboratories, PV modules manufacturer, EPC’s and consulting agency worldwide promoting state of the art technology permitting inspections on the PV modules installed on a power plant.
EasyMeasures EL cameras are nowadays the most compact, fat and accurate available on the market. EL SERIES cams perform tests without the need of removing the PV-modules from the string/array and covering modules with dark boxes. Measurements are done outdoor at night, ensuring that additional production losses do not occur, and can be obtained in a temperature range from -5°C to +55°C. Moreover, EL SERIES are characterized by fast acquisition time, and images are directly viewed on the electroluminescence camera, without the necessity of using laptops or tablets.
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IMAGING IN SOLAR CELL AND MODULES
EasyMeasures offers all the solution for panel inspection as the effects of solar cells dramatically reduce their efficiency and durability.
Availables methods it include the I/V MEASUREMENT, THERMAL IMAGING and ELETROLUMINESCENCE measurements.
Quality inspection is typically performed by taking Electroluminescence images that, combined with power measurement, is the best way to check a PV Module. The test consists of supplying the PV module or string in an appropriate way and inspecting it with a special EL camera. Electroluminescence is a sort of “radiography” of a PV module or an PV power plant.
All the EL electroluminescence cameras belonging to the EL SERIES cams perform tests without the need of removing the PV-modules from the string/array and covering modules with dark boxes. Measurements are done outdoor at night, ensuring that additional production losses do not occur, and can be obtained in a temperature range from -5°C to +55°C. Moreover, EL SERIES are characterized by fast acquisition time, and images are directly viewed on the electroluminescence camera, without the necessity of using laptops or tablets.
Two EL electroluminescence camera models are currently available:
EL-V01 MK2 This model of electroluminescence camera is specifically designed for EL video in order to give bright real time view of PV modules status for a quick detection of defects also in conditions of very low emissivity of the PV modules under test. This result is obtained by pixel binning on a 48Mp sensor in order to achieve an EL video recording resolution up to 4K. Once the defect is detected is also possible to get a steady picture with 12 Mp resolution.Key features are: Real time video of PV modules and PV array and Up to 4K Electroluminescence Video
EL-P01 MK2 This model of electroluminescence camera has been developed for customers that are searching for the maximum EL image quality that nowadays is technologically possible to achieve. This EL camera embeds an Ultra High resolution image sensor capable to catch EL photos up to 42Mp. That allows to the customer to get EL pictures of single modules and PV modules array with an extremely high level of details. Key features are: Ultra High resolution portable EL photo and the highest EL image resolution available on the market
The analysis of the quality of cells and solar modules is crucial for the photovoltaic industry and the EL EASYMEASURES cameras are ideal for the characterization of solar cells.
The images obtained with the use of EL show the typical micro-crack cells that can arise during the production of cells and modules, in transport and in installation. Because of mechanical or thermal effects micro-cracking cells can become broken cells. Branched microfrequencies occur due to an impact or shock that is mostly caused by transport or installation rather than production. A damaged cell is one of the main sources of power loss and efficiency.
EasyMeasures cameras provide high sensitivity and resolution, but also a very high image speed as well as reading and integration time. In addition, the EL Electroluminescence System also allows complete video to cover the entire surface.
Electroluminescence allows to detect high power losses when affected by Potential Induced Degradation.
MAIN FACTURES OF EL SERIES:
-Suitable for all the most common technologies of PV-modules
-No need to remove the PV –modules from the string/array for testing
-Identification of all kind of demages and defects of the cells/modules including P.I.D.
-Outdoor measurements with wide temp. range -5°C/+55°C
-Measures are performed at night so no additional production lesses of the PV power plant occour
-No need of dark boxes or covers on the modules
-Direct image view on the camera without requirement of any laptop or tablet
-Fast acquisition time and EL video option available on specific modules
-Camera lightweight and battery supplied
-Possibility to measure single cells, single modules or full arrays with one single acquisition.