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  • Says the new module reduces BOS costs by 6 to 8 percent and LCOE by 3 to 4 percent.
  • The company will formally start accepting orders in Q2 of 2020.
  • Achieve mass production in Q3, with production capacity expected to exceed 5GW by the end of the year.

China — Trina Solar unveiled its latest Duomax V bifacial double-glass modules and Tallmax V back sheet.

Based on the 210 mm large-size silicon wafer and monocrystalline PERC cell, the new modules come replete with several innovative design features allowing high power output of more than 500Wp and module efficiency up to 21%.

According to preliminary estimates from large-scale ground-mounted power stations in China’s Heilongjiang province, compared with conventional 410W bifacial double-glass modules, the 500W Duomax V can reduce the balance-of-system (BOS) cost by 6 to 8 percent and the Levelized cost of energy (LCOE) by 3 to 4 percent.

Trina Solar will formally start accepting orders in the second quarter of 2020 and is set to achieve mass production in the third quarter, with production capacity expected to exceed 5GW by the end of the year.

Based on its multi-busbar technology, Trina Solar’s research and development team has introduced an innovative design that integrates advanced three-piece, non-destructive cutting, and high-density packaging technologies. This further reduces the resistance loss and significantly improves the anti-cracking, anti-hot spot performance of the modules while maximizing space utilization. By doing so, the scientists created high-power modules characterized by high efficiency and high reliability.

If the traditional half-cut cell design were applied to 210mm ultra-large silicon wafers, the high current output characteristics of the modules could trigger system challenges, or cause the module to crack or run afoul of DC terminal limits.

In addition, the design of the new modules can ensure that the output current, open-circuit voltage and mechanical load of the modules comply with relevant downstream technical safety specifications and can seamlessly connect with the existing mainstream PV system design. At the launch event, Trina Solar signed strategic cooperation agreements with POWERCHINA Jiangxi Electric Power Construction, China Energy Engineering Investment’s Heilongjiang branch, Shouguang Power Investment Haobang New Energy, SEPCOIII Electric Power Construction and other power generation-related firms, paving the way for the full deployment of ultra-high-power modules in the terminal market.

Derick Lila
Derick is a Clark University graduate—and Fulbright alumni with a Master's Degree in Environmental Science, and Policy. He has over a decade of solar industry research, marketing, and content strategy experience.

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