In today's photovoltaic industry moving towards "terawatt-level" development, every degree of electricity conversion efficiency embodies the ultimate understanding and control of light. As the core "benchmark" of photovoltaic research and production, the performance of the solar light simulator directly determines the accuracy and reliability of battery efficiency calibration. Sefan Optoelectronics, leveraging its 20-year technical accumulation in the field of optics, innovatively launched the LED steady-state solar light simulator, providing "precise, stable, and intelligent" light to inject powerful momentum into the high-quality development of the photovoltaic industry.
Traditional xenon lamp simulators, although once the industry standard, have always been unable to escape the shackles of "spectral drift, long preheating, and thermal effect interference". Sefan Optoelectronics' LED steady-state solar light simulator, starting from the essence of the light source, uses more than 2,000 high-power, specific wavelength LED chip arrays to reconstruct the "artificial sun". Through precise spectral fitting algorithms, the equipment achieves A+ level matching with the AM1.5G standard solar spectrum within the 350-1100nm wavelength range, with a spectral matching degree of over 98%, providing a "real and reliable" light environment for the precise testing of perovskite, TOPCon, and HJT and other new high-efficiency batteries.
In photovoltaic testing, "stability" is the cornerstone of data credibility. Sefan Optoelectronics' LED steady-state solar light simulator adopts its independently developed constant current drive module and closed-loop light intensity feedback system. The light intensity stability reaches the industry-leading level of ±0.05%/8h, with a light attenuation of less than 3% after continuous operation for 10,000 hours. This means that from laboratory research to production line production, from single-cell testing to module calibration, the equipment can always provide "as stable as a rock" light output, completely eliminating the data deviation caused by light intensity fluctuations and spectral attenuation in traditional equipment, making each test "precise and error-free".
Traditional xenon lamp simulators not only require more than 30 minutes of preheating time but also cause sample temperature rise due to strong infrared radiation, causing irreversible damage to calcium phosphate and other heat-sensitive materials. Sefan Optoelectronics' LED steady-state solar light simulator is ready to use immediately, reaching a stable irradiation intensity within 1 second, and can be turned off instantly after the test, increasing the production line testing efficiency by more than 50%. More importantly, its "cold light" characteristic emits almost no useless ultraviolet and infrared radiation, controlling the temperature rise of the battery sheet within 2°C during the test, truly achieving "non-destructive physical examination" of new photovoltaic materials, providing the ultimate tool for researchers to boldly verify and repeatedly experiment.
SOFN Optoelectronics' LED steady-state solar light simulator is not only a piece of equipment but also the embodiment of "intelligent light". The equipment is equipped with an intelligent control system, which can precisely control the irradiation intensity, spectral band, and light intensity gradient through the PC software, supporting remote monitoring and data traceability. Whether simulating different regional light conditions or reproducing the battery performance under extreme climates, it can be "set up in one click and precisely replicated". The modular design also supports customized sizes ranging from 1m×1m to 5m×5m, which can flexibly adapt to all scenarios such as laboratories, production lines, and pilot testing platforms, truly achieving "light following me".
Currently, SOFN Optoelectronics' LED steady-state solar light simulator has "shown its prowess" in many domestic photovoltaic leading enterprises and top research institutions. A certain leading photovoltaic enterprise, after adopting the Sefan system, saw a battery sorting efficiency increase by more than 30%, with an A-grade rate exceeding 96%, and annual savings of over 20 million yuan due to test deviation losses; a certain Chinese Academy of Sciences research institute, taking advantage of its large area and high uniformity advantages, successfully solved the light irradiation problem of a 150㎡ photocatalysis pilot platform, with the parallelism of experimental data increasing from 60% to 95%, and publishing 4 top-tier papers within a year.
From "milliwatt-level" research in the laboratory to "gigawatt-level" production, Sefan Optoelectronics has always been a "customized light designer" for the photovoltaic industry, providing precise and reliable light solutions. Choosing the Saifan Optoelectronics LED steady-state solar light simulator is not merely selecting a piece of equipment; it is also choosing a reliable "lighting partner" to accompany you on the journey towards the "dual carbon" goal, measuring the future voltage and moving forward towards the light.
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