Tenesol launches 0–3% positive tolerance c-Si modules

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Tenesol has launched a range of PV modules with a ‘positive tolerance’ between 0–3%. This means that the company’s latest range of modules, which have a power rating of up to 300Wp, can actually deliver an output up to 5Wp greater than the stated maximum. The TE 2200 range uses high-output multicrystalline and monocrystalline technologies. Modules have an efficiency of up to 15.2% and a maximum power output of 250Wp. The modules can be used in a wide range of applications and mark the latest achievement from Tenesol’s complete quality process.
 
Problem
 
Cell and module performance variability resulting from insufficient quality controls throughout the assembly stages can result in unwanted product failure in the field. Correct testing and inspection at all critical processing steps increases the life-time expectancy and can lead to a smaller process window, leading to module efficiencies with a tighter specification range and a positive tolerance rating.
 
Solution
 
Tenesol’s production facility in Toulouse, France, boasts some industry-leading capabilities including the only electroluminescence (flash test) machine in France and the company's 52-stage panel checking process (compared to the standard 10 stage).  Each individual module undergoes an extremely thorough testing process that includes flash testing after passing through a climatic chamber at extreme temperatures, checking every cell and every string individually by camera to spot even minute cracks, power measurement using class A solar simulators, ‘peel-test’ to check soldering points, ‘gel-content’ test to monitor the lamination process, and electroluminescence tests. 
 
Applications
 
Wide range of applications from residential to commercial rooftop and ground-mounted projects. 
 
Platform
 
Tenesol has ISO 9001, ISO 14001 and OHSAS 18001 certification. The company's manufacturing philosophy has led to the creation of the company’s first positive tolerance modules. The TE 2200 range uses high-output multicrystalline and monocrystalline technologies. Modules have an efficiency of up to 15.2% and a maximum power output of 250Wp. Tenesol’s PV modules carry a 10-year warranty. In addition, their performance is also guaranteed to deliver at least 90% of nominal power for the first 10 years and 80% for the following 15 years. 
 
Availability
 
May 2011 onwards.
 

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