JinkoSolar Tiger Pro – Creating a New Benchmark for PV Module Safety

Recently JinkoSolar announced that according to the Global PV Installer Monitor 2020/2021, the company has maintained its leading position as the most well-known PV module brand in the Australian market in 2020 and achieved the most purchased module brand among the surveyed installers in Australia. The Survey is jointly initiated by EuPD Research, a highly specialized European research company, in cooperation with SunWiz, a leading provider of strategic consulting to Australian solar industry. The report also shows that JinkoSolar is still dominating the Australian market in terms of brand positioning, being the most exclusive brand in Australian installers’ portfolios, and occupying the industry’s leading position in the distribution market. According to customized statistics, JinkoSolar topped the Australian market in 2020 with 16% of the total market share, and ranked first in the Australian distribution market with the market share of 16.6%.

Compared with large-scale utility projects, residential projects in the distribution market have higher requirements and attention to the safety of PV modules. As the junction box is the only channel of the output current of the PV module, its reliability and safety are particularly important. The emergence and rapid development of large size cells and high-power modules have put forward higher requirements for the adaptability of PV junction boxes. Large current carrying capacity, small dimensions and excellent heat dissipation performance have become the R&Ds main target. The design of the junction box should ensure the continuous and stable output of the module throughout the product life cycle, while avoiding excessive shielding caused by its installation on the back of PV module, which would affect the utilization of light.

JinkoSolar PV R&D team focuses on solving industry problems and actively promotes the quality of R&D work. Through simulation analysis, product prototype verification, manufacturing process development, reliability verification and other stages, JinkoSolar launched 30A high-current module split junction box, to ensure its stable and reliable operation in high-current environment. The junction box has been applied for the national patent, escorting JinkoSolar Tiger Pro series modules to become mature and high-quality products in the global PV manufacturing industry.

Module Type Isc Bifacial Factor Safety Factor Theoretical Maximum Current Junction Box Type Safety Margin
182 Bifacial Module 13.8 1.3 1.25 22.4 25 10%
30 25%
Large Size Module 18.43 1.3 1.25 29.94 30 0.18%

The data of actual power plant project shows that the greater the current of PV module is, the more demanding the safety of the PV junction box is. The junction box connected with Tiger Pro module series has already taken the safety perspective into account to the greatest extent, where the 30A high-current module split junction box can achieve 25% safety margin, leaving enough space for future applications of new technologies such as battery efficiency improvement or new efficiency enhancement technologies. Moreover, it also has the following advantages:

  • The “+” shape design on the outer wall and the arc-shaped design on the upper cover of the junction box, larger space for heat dissipation;
  • Module encapsulation, better safety;
  • Single core or multi-core, meeting different current requirements;
  • Special chip, better reliability;
  • Module diode patch, excellent heat dissipation;
  • TUV/UL Dual authentication guarantee。

Currently, this junction box and the supporting components have been mass-produced, providing reliable power and security for the steady development of Tiger Pro module series.

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