PV Testing Services assess performance and durability.
September 24, 2009 -
Using instrumental and outdoor exposure tests, Atlas 25Plus(TM) program determines photovoltaic (PV) module durability. It compliments IEC test protocol, targeting long-term product wear-out period. Temperature, moisture, and solar radiation stresses, delivered simultaneously, simulate real-world conditions, and accelerated environmental tests include UV exposure, salt corrosion, and condensing humidity. Modules are light-exposed, forward-biased under resistive load at max power point.
Atlas Establishes PV Module Durability Testing Program
Photovoltaic Testing Services for Performance, Durability and Reliability
September 22, 2009, (Chicago, IL) - Atlas Material Testing Technology has taken a broad leap forward in the solar energy industry, introducing the Atlas 25Plus(TM) test program for determining the durability of photovoltaic modules, combining state-of-the-art instrumental and outdoor exposure testing.
Existing test standards such as the IEC module design qualification tests do not address long term durability issues. These tests are designed to reveal potential design or manufacturing defects resulting in early "infant mortality" failures. They are not intended or able to predict the longer term degradation or failure modes resulting from the accumulated damaging effects of climate related stresses.
Drawing on over 90 years' experience as the innovation leaders in weathering test methods and equipment, 25+ of those years being in photovoltaics beginning with module testing for Skylab, Atlas has developed the Atlas 25Plus PV module durability testing program. This program consists of a comprehensive battery of accelerated tests integrating both laboratory and outdoor environmental exposures targeting the long-term product "wear-out" period that can result in declining module performance or outright failure.
A compliment to the IEC test protocol, Atlas 25Plus for longer term durability involves a very different test methodology.
Test parameters are realistically climate based
The key environmental stresses of temperature, moisture and solar radiation are delivered simultaneously, as they are in the real world
Targeted accelerated environmental tests including UV exposure, salt corrosion and condensing humidity are included within the testing regimen
Modules are light-exposed forward-biased under resistive load at the max power point
Module performance characteristics are measured at intervals with I-V curves, visual inspections, digital photography and infrared thermography. Additional measurements, such as leakage current and IEC design qualification tests, are available as options. Modules aged under this program are subsequently available for additional tests such as UL safety or IEC performance tests.
Atlas 25Plus leverages the key concepts of best-practices weathering testing, the combined experiences of other high value industries such as automotive and building products, and the available knowledge on module weathering; better test methodology yields better results.
About Atlas Material Testing Technology
Atlas® is a recognized leader in material testing, offering a complete line of instruments and services for accelerated and natural weathering. The Atlas Consulting Group helps clients develop the best weathering processes for their products, as well as offers education and training courses worldwide. For accelerated laboratory and outdoor testing, Atlas Weathering Services Group has five laboratories and over 20 outdoor exposure sites around the world in a variety of climates, including desert, subtropical, high-altitude and corrosive. Atlas Material Testing Technology is ISO 17025 and ISO 9001:2008 registered. Atlas products are designed and manufactured to conform to international, national and industry standard test methods including ISO, ASTM, DIN, JIS and numerous others.
Contacts:
Marketing:
Stefani Levine Marketing Manager
USA
Phone: 773-289-5533 E-mail this person Company Information: Name: Atlas Material Testing Technology LLC Address: 4114 N. Ravenswood Ave. City: Chicago State: IL ZIP: 60613 1831 Country: USA Phone: 773-327-4520 FAX: 773-327-5787 http://www.atlas-mts.com
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