Excellent power generation, excellent reliability, and high-cost performance: Yingli Solar’s PANDA series of modules use cutting-edge n-type monocrystalline TOPCon cell technology to deliver superior performance under low light conditions and a long effective service life.
Additionally, the backside of our bifacial PANDA modules effectively uses reflected and scattered light from the environment to generate electricity, increasing the energy yield by up to 30%.
The picture on the left shows the highest level (severity level 6) cyclic Salt Mist test for 1 cycle, simulating the state of the module frequently changing between "normally salt-filled environment" and "dry environment". One cycle test takes 7 days, 4 times IEC standard cycle test takes 32 cycles in total, plus other test items, the whole procedure takes 242 days.
After the test, the visual inspection found that there were no corrosion products on the frame and glass, and no defects (pinholes, bubbling or cracking, etc.) in the silicone and film. The IV test results showed that the degradation rates of each parameter of the module were low, the power degradation rate was only 1.9%.
Ji Gong Wang An Bei No. 13060002003005 Technical Support: Matrix
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