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SolarWorld Sunmodule Plus SW 245 poly ‒ rated “excellent” in PV+Test
Top quality can be measured: SolarWorld proved this yet again in the latest module test carried out by Solarpraxis AG in cooperation with TUV Rheinland. Of the 21 modules tested, the Sunmodule Plus SW 245 poly from SolarWorld was the only module to receive the prestigious "excellent" classification in the new, more rigoroustesting process. The modules are purchased discretely through normal purchasing channels, then tests are carried out over a period of several months at TUV Rheinland's solar laboratory in Cologne. Several different factors are valuated, such as durability, electrical safety, workmanship, performance, documentation and guarantee. The new PV+Test 2.0 test includes a comprehensive performance analysis at varying temperatures and degrees of irradiation, which is intended to replicate normal outdoor conditions.
The analysis also looks into the potential induced degradation (PID) ‒ a reduction in performance that can result from several modules being connected in a string. In addition, the weighting of the individual testing categories has been changed to emphasize the importance of durability. This is a new feature of the test and an important step towards a comparable and independent evaluation of solar modules.
The SolarWorld module received top ratings in the categories of electrical safety, documentation and guarantees, as well as an outstanding score of "excellent" for workmanship. The examiner's verdict said it all: "absolutely flawless". The Sunmodule Plus also achieved excellent ratings in the sub categories of thermal cycling test and damp heat test ‒ a clear indication of outstanding module durability.
Overview of the test results*
- Good durability
- Good performance
- Good low-light performance
- Excellent electrical safety
- Excellent guarantees
- Excellent documentation
- No initial performance losses (light induced degradation = LID)
- Perfect workmanship ‒ seven times top ratings
* For details, please refer to our special PV+Test publication
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