Our products are continuously improved through innovative research methods

Every product we offer is carefully inspected for quality. During the manufacturing process, each cell is tested to detect invisible micro-cracks, so we can guarantee that only the highest quality panel will be on your roof.

The modules we offer double the IEC test standards.

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PID (voltage induced degradation) tests
PID checks are performed to test resistance to the degradation phenomenon that causes damage to modules in the long term. This phenomenon occurs when low-quality modules are used. SOLSUM offers modules free of the PID phenomenon.
Hot water test
In this test, the cells are immersed in water heated to about 70°C for an extended period of time. The test demonstrates whether the aluminum alloys in the back of the cell de-laminate when exposed to moisture.
test połączeń pv test obciążenia modułów fotowoltaicznych
Link tests
This test checks the module’s built-in link connections and gives reliable information on the module’s stability and strength over time.
Mechanical load test
During this test, the module is subjected to varying loads to simulate snow and wind loads on the PV module.
test elektroluminestencyjny test w komorze starzeniowej
Electroluminescence test
A recently developed method to detect even trace damage to a module using a technique similar to taking an X-ray. The test indicates areas of the cells where there are microcracks that are undetectable to the naked eye.
Tests in a climate chamber
The climate chamber is capable of reproducing, in a controlled environment, the climatic conditions to which the module is exposed under operating conditions during the change of seasons. Numerous tests facilitate a reliable prediction of the module’s lifetime and performance quality.
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