The accuracy and stability of light are the core benchmarks for the development of photovoltaic devices, the calibration of optoelectronic components, the testing of material durability, and the simulation of space environments. Traditional pulsed and ordinary A-level solar light simulators often have problems such as large spectral matching deviations, poor uniformity of light spots, and severe long-term light intensity drift. They cannot meet the high-precision efficiency calibration requirements of HJT, TOPCon, and perovskite photovoltaic cells, nor can they support rigorous experiments such as thousands of hours of steady-state aging, continuous MPPT tracking, and aerospace environment simulation. They are prone to large test data deviations, poor repeatability, and inability to benchmark against international standards, which hinders the technological iteration and implementation of scientific research results in the photovoltaic industry.
Deeply engaged in the field of precise photonic simulation and testing technology, Saifan Photovoltaic relies on mature optical color matching, uniform light adjustment, and steady-state light control technologies to launch the 3A-level steady-state solar light simulator. It strictly follows the international authoritative standards of IEC 60904-9 and ASTM E927, achieving full A-level compliance in three core indicators: spectral matching, irradiation uniformity, and time stability. With constant, standard, and highly uniform simulated sunlight, it solves the precise light simulation needs of high-end research and industrial mass production in one step, laying a traceable standard light baseline for photovoltaic testing.
3A-level full indicators fully meet the standards, benchmarking against the top international light reference
As a high-precision light simulation benchmark equipment in the industry, this model breaks through the performance limit of ordinary simulators and achieves all three core parameters at the 3A-level top standard, completely getting rid of the shortcomings of low test accuracy. The spectral matching accuracy is precisely controlled within the standard range of 0.875–1.125, and the spectral fidelity is over 97%. It perfectly replicates the full-band distribution of real sunlight and precisely matches the light response characteristics of various photovoltaic devices and photonic materials, eliminating the distortion of efficiency calculation caused by spectral deviations.
The uniformity of the effective irradiation area across the entire area is ≤ ±3%, with no dark areas, hotspots, or strong/weak light deviations in the large light spot range, ensuring that the light received by different positions of the device is completely consistent. The time stability is ≤ ±0.2% per hour, with an ultra-long-term steady-state output capability. The total light intensity drift over 2,000 hours does not exceed ±1%, and the light intensity is constant without fluctuations throughout the process. It perfectly suits harsh scenarios such as long-term aging, continuous power tracking, and steady-state photovoltaic performance testing, and the test data can be directly benchmarked against international certification standards such as TÜV and UL.
Long-term steady-state continuous output, breaking through the limitations of pulsed equipment testing
Different from the shortcomings of traditional pulsed simulators, which have instantaneous flashes and cannot operate for a long time, the 3A-level steady-state solar light simulator of Saifan adopts a continuous and constant light emission architecture, supporting 24-hour uninterrupted continuous operation, and is suitable for various testing scenarios that require long-term light. Whether it is precise testing of the steady-state I-V curve of photovoltaic modules, precise power classification calibration, or long-term stability assessment of perovskite and tandem cells, or light aging experiments of photocatalytic materials, it can achieve constant light output throughout the process, truly replicating the long-term working state of devices and materials under natural sunlight.
The equipment is equipped with an optimized temperature control and heat dissipation system, precisely controlling temperature and efficiently dissipating heat, effectively avoiding problems such as light source attenuation, temperature drift, and light intensity fluctuations caused by long-term operation. The entire machine runs stably, has low noise, and no thermal interference. It can not only meet the requirements of laboratory fine mechanism research but also adapt to the batch, high-frequency, and continuous standardized testing requirements of industrial production lines, completely solving the industry pain points of pulse equipment being unable to complete steady-state experiments and long-term test data failure. LED light sources can achieve precise and segmented spectral adjustment, support ultraviolet enhancement, and customizable spectral ratios. They are specifically designed to meet the differentiated testing requirements of perovskite cells, tandem cells, and new photovoltaic materials. The light sources have longer lifespan, lower energy consumption, and no redundant heat radiation.
The equipment supports customization of multiple-sized light spots, ranging from small-sized chip micro-area testing to large-power component full-area irradiation. It is widely used in universities for cutting-edge research, third-party testing institutions, pilot and mass production quality inspection of photovoltaic enterprises, aerospace and space environment simulation, covering the entire process of photovoltaic material characterization, device performance calibration, and product reliability verification. The adaptability of the scenarios is fully optimized.
Intelligent and minimalist operation, fully automated standardized testing
Equipped with a dedicated intelligent measurement and control system from Sefan, it eliminates the cumbersome light adjustment and parameter debugging processes of traditional equipment, enabling one-click light start/stop, automatic light intensity calibration, stable state locking, real-time data collection, and standardized report output. It supports custom light intensity parameters, light duration, and test cycles, and can be linked with IV testing systems, power detection modules, and aging test components to work collaboratively, achieving integrated and automated testing processes.
The equipment has a low operation threshold and does not require professional optical debugging experience to achieve high-precision standardized testing. It completely avoids human debugging errors, significantly improving experimental repeatability and production line detection efficiency. The test data is accurate and traceable, fully meeting various requirements such as supporting research paper data, project completion, product compliance certification, and mass production quality inspection benchmarking.
Modular expansion design, suitable for cutting-edge customized research
The equipment adopts an open modular architecture, supporting flexible function upgrades and personalized customization. It can fully cover multi-level testing requirements. It can expand AM0/AM1.5G standard spectral switching modules to simulate different lighting environments on the ground and in space; it can be combined with temperature control and atmosphere regulation components to achieve coupled tests under complex conditions; it can be linked with a precision displacement platform to complete uniformity testing of devices at multiple points and automatic screening of batch samples, precisely matching the customized testing needs of new materials and new devices.
Domestic high-quality components replace imported ones, providing high cost-effectiveness to drive industrial upgrading
Compared with imported high-grade 3A solar light simulators, Sefan Optoelectronics, relying on its independent R&D and local production advantages, has full control over core optical coloration, uniform light system, steady-state light control algorithms, and temperature control architecture. The overall precision, stability, and long-term stable-state performance fully match the international leading level. At the same time, it completely solves the problems of high equipment prices, long delivery cycles, slow after-sales response, difficult customization and modification, and high maintenance costs of imported equipment. It has core advantages such as full 3A compliance, long-term stable-state performance, low energy consumption, easy maintenance, short delivery time, and full-process technical support.
The manufacturer provides on-site installation and commissioning, professional technical training, lifetime maintenance, and one-stop customized services, significantly reducing the equipment procurement and maintenance costs for research institutions and photovoltaic enterprises, helping to replace imported high-end light simulation equipment domestically, and empowering technological iteration and quality upgrades in the photovoltaic industry, photovoltaic materials, and aerospace testing fields.
With standard sunlight, precisely empower every innovation
Precise photovoltaic testing begins with a standard lighting reference. Sefan Optoelectronics' 3A-level stable solar light simulator, with its all-dimensional 3A top-level performance, ultra-long stable-state output, high-fidelity spectral reproduction, and intelligent and convenient operation experience, provides stable, precise, and traceable core lighting support for photovoltaic device research and development calibration, photovoltaic material characterization, space environment simulation, and industrial reliability testing, continuously safeguarding the breakthroughs in the photovoltaic field and high-quality development of industrialization.
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