Trina Solar to offer its first dual rated frameless module for harsh conditions

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Trina Solar is planning to introduce the 60-cell PDG5, the first in a new line of dual rated frameless modules. The PDG5 is said to be resistant to potential induced degradation (PID) and micro-cracking, and does not require grounding. The PDG5 is optimized for reliable performance under stressful environmental conditions.

Problem

Although glass/glass modules are believed to offer higher levels of robustness, especially in harsh environments they have typically suffered from higher cost and carry a weight penalty.

Solution

The PDG5 features front and back layers of special heat-strengthened glass replacing the traditional backsheet materials of conventional solar modules. The PDG5 provides a heavy-duty solution for environments of high temperature and humidity, conditions that can accelerate performance degradation. The resulting module has increased resistance to micro-cracking, potential induced degradation (PID), module warping, and degradation from UV rays, sand, alkali, acids and salt mist.

Applications

Commercial rooftop and utility-scale applications in all major markets.

Platform

By reducing the module's glass thickness from the industry standard of 3.2mm to 2.5mm, and applying an antireflective coating to the front glass, transmission is enhanced by an estimated 2.5%. MC4PLUS photovoltaic connectors increase system reliability. Additionally, the modules are designed for higher 1000V IEC and 1000V UL applications, which enables longer installation runs to enable improve cabling, hardware and labor installation costs. Additionally, by eliminating the aluminum frame of conventional modules, grounding requirements are eliminated, which can extend Balance of System (BoS) cost savings. The new modules are backed by the Company's 25-year linear power warranty. The PDG5 will also be available as part of the Trinamount III DG system, a fast-installing and non-penetrating PV module and mounting system for flat rooftop applications. 

Availability

PDG5 is being readied for worldwide shipments in the second half of 2013.

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