• 澳门威尼克斯人

    Trina Solar 670W Vertex modules show remarkable mechanical performance at -40°C

    Verified by a serial rigorous tests including non-uniform snow-load test, extreme DML test and extreme wind tunnel test, Trina Solar’s Vertex modules continue show outstanding performance and excellent mechanical load reliability by passing another -40°C extreme low-temperature mechanical load test, demonstrating excellent ability to withstand extreme cold conditions.

    test site (Image: Trina Solar)

    Trina Solar’s modules are applied worldwide in various scenarios including those under extreme cold weather condition, from Heilongjiang in China to the countries within the Arctic Circle such as Sweden and Norway, where the average winter temperature is as low as -40°C.

    Thus, it is fundamental for Vertex modules to keep high reliability and high power generation efficiency under low-temperature condition. The extreme low temperature is a major challenge to materials. The coefficient of thermal expansion varies among different materials and poses challenges to connecting parts of modules. For those organic materials such as EVA, backsheet and junction boxes, the low temperature will cause degrading shock resistant ability of materials and affect the ability to withstand mechanical load of module cells.

    The temperature of testing environment (Image: Trina Solar) 

    Trina Solar, together with the third-party organization CGC (China General Certification), according to the testing requirement of IEC TS 62782, conducted the mechanical reliability test to Vertex 670W module under extreme low-temperature condition. The static mechanical load test of 5400Pa at front side and 2400Pa at back side is completed under extreme low-temperate at -40°C and crossbeam screw installation conditions. The mechanical strength, resistant ability of materials and connection of trackers under extreme low temperature are simulated to test the reliability and performance of PV modules.

    No variation in electroluminescence (EL) (Image: Trina Solar) 

    The results show that the modules maintain in good appearance without cracks, and the testing of insulation and wet leakage are both passed, with power attenuation of only 0.11%. This well proves that even under extreme low-temperature condition, Trina Solar’s 670W Vertex modules are safe and reliable, and guarantee excellent quality.

    The 670W Vertex was launched in March, based on large 210mm silicon wafers, releases low-voltage and high-power and inherits the non-destructive cutting, high-density interconnection, achieving maximum power of 670W with an efficiency of 21.6%, single string power rising by 40%, creating more room for reduction of the LCOE and BOS cost.

    Vertex modules in extreme cold weather (Image: Trina Solar)

    Based on the R&D and manufacturing experience for the past 24 years, Trina Solar has been able to laid solid foundation in technology and forged products with high efficiency and high reliability that possesses world’s best performance. No matter it is stronger winds, snowstorms or extreme cold, Trina Solar’s Vertex modules exhibit perfect performance and offer customized services including product design and installation design for different application scenarios to provide various total solutions for customers.

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