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Next-gen solar panels hasten cabling installation

Posted: 17 Oct 2008 ?? ?Print Version ?Bookmark and Share

Keywords:solar panel? cable? connector?

Sanyo Energy Corp., a subsidiary of Sanyo Electric Co. Ltd, has released the heterojunction with intrinsic thin-layer (HIT) Power series of solar panels based on the company's proprietary HIT technology.

With an objective to substitute the past HIT series, Sanyo said the new hybrid solar panels, designed with unique structured cells, have enhanced features increased conversion efficiency, less vulnerability to high temperatures and better construction that make the panels among the most efficient in the solar industry.

The HIT Power panels provide improved materials for higher heat performance, such as areas with monthly average high temperatures reaching 115F. HIT Power's black frame depth has been increased to 1.8-inch to make it more robust and an inside ledge has been added to help installers to tuck and clip away cables for clean wire management. The new inner ledge also provides two predrilled ground holes and four mounting holes to ease installation.

For added safety, the solar panels have been upgraded with USE2 cables with increased insulation and MC4 locking connectors. The series' limited warranty has also been stretched from two years to five years, and the static load capability has been increased from 50psf to 60psf.

The company said these solar panels work silently and have no moving parts and are among the lightest in the industry. At the same time, it added, unique eco-packaging reduces cardboard packaging waste and the packing density of the solar panels helps lower transportation, fuel and storage costs per installed watt.

The HIT Power series uses 4-inch (104mm) HIT solar cells. By 2009, Sanyo will add more models that will employ 5-inch (125mm) HIT solar cells.

The hybrid HIT solar cells consist of single crystalline silicon wafers surrounded by ultrathin amorphous silicon layers. The unique structure reduces defects within the p/n junction of the cell, creating highly efficient cells capable of having up to 22.3 percent light-conversion efficiency, enabling maximum power generation per square foot, according to the company.

HIT cells are believed to provide superior temperature features compared to conventional crystalline silicon cells, resulting in 10 percent or more energy developed at higher temperatures compared to standard silicon solar panels. All HIT Power solar panels come in a 100-percent power guarantee during purchase.

The solar panels are now available in North America via Sanyo's authorized representatives such as SunWize, Conergy and Focused Energy.

-Gina Roos

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