Large-Area LED Solar Simulator 3A+

The Large-Area LED Solar Simulator 3A+ is designed to provide a controllable, repeatable, and standardized “solar environment” for testing large photovoltaic (PV) modules in laboratory settings. You use this simulator to replicate real solar irradiance across meter-scale areas, allowing comprehensive performance evaluation of PV modules under precise, uniform, and programmable light conditions. Its LED-based system ensures high spectral accuracy, exceptional uniformity, instant response, and long-term reliability, making it suitable for both R&D and production line testing of large-scale photovoltaic products.

Applications

• Mass Grading of Large-Size PV Modules: Rapidly test and grade output power at production line end-of-line inspections.

• PV Module Research and Development: Evaluate novel modules such as HJT, TOPCon, and perovskite under standardized solar conditions.

• PV Module Certification: Facilitate IEC-compliant testing for quality assurance and certification purposes.

• Bifacial Module Testing: Simultaneously or independently measure front and rear power generation efficiency.

• Agri-PV and Building-Integrated Photovoltaics (BIPV) Testing: Deliver customized testing for specialized PV applications.

Standards

(1) IEC 60904-9 – Photovoltaic Devices: Performance Requirements for Solar Simulators

(2) ASTM E927 – Standard Guide for Laboratory Simulation of Solar Radiation

(3) IEC 60904-3 – Measurement of Photovoltaic Current-Voltage Characteristics

(4) ISO 9060 – Solar Irradiance Measurement and Calibration Standards

(5) IEC 61853 series – Photovoltaic Module Performance Testing under Standard Test Conditions

Features

• Unparalleled Uniformity: You achieve extremely high irradiance uniformity across the entire module surface.

• Superior Spectral Matching: Multi-channel LED combination ensures accurate reproduction of the solar spectrum, including critical UV and IR bands.

• Instant Switching and Flicker-Free Output: Supports millisecond-scale flash testing without warm-up.

• Ultra-Long Lifespan and Low Maintenance: LED light sources provide stable output over tens of thousands of hours, reducing operational costs.

• Programmable Flexible Spectrum: Independently control wavelength bands to simulate different times, atmospheric conditions, and solar spectra.

Technical Parameters

Accessoriess

(1) High-performance LED array modules

(2) Liquid or air cooling thermal management system

(3) Precision drive and control circuitry

(4) Distributed irradiance sensors for uniformity calibration

(5) Intelligent software platform for test configuration and reporting

(6) Optical diffusers and lenses for uniform illumination

Test Procedures

1. Mount the PV module or device under test onto the simulator test platform.

2. Configure the target solar spectrum (e.g., AM1.5G, AM0) and irradiance intensity.

3. Adjust flash duration, frequency, and uniformity calibration via the software interface.

4. Activate the LED simulator and monitor real-time irradiance and module response.

5. Record module electrical output and efficiency parameters.

6. Analyze results using the software platform and generate standardized test reports.

7. Complete testing and power down the simulator according to safety procedures.

Conclusion

You use the Large-Area LED Solar Simulator 3A+ to provide a highly uniform, spectrally accurate, and programmable solar environment for large photovoltaic modules. Its LED-based design ensures instant, flicker-free operation with minimal maintenance, while intelligent control systems allow precise calibration, real-time monitoring, and flexible spectral adjustment. The simulator is ideal for R&D, certification, mass grading, bifacial testing, and specialized PV applications such as BIPV and Agri-PV.

FAQ

1. What is the maximum test area for this simulator?

You can test PV modules on an effective irradiation area up to meter-scale, e.g., 1.2 m × 2.4 m or larger.

2. How uniform is the light intensity across the module?

You achieve irradiance uniformity typically better than ±2%, ensuring consistent module illumination.

3. Can the simulator replicate different solar spectra?

Yes. You can program the LED array to reproduce AM1.5G, AM0. or custom spectra for diverse testing conditions.

4. How fast can the simulator switch on for testing?

You get instantaneous, flicker-free output with millisecond-scale flash durations, ideal for production line testing.

5. What is the typical LED lifespan?

You can expect tens of thousands of hours of stable operation, significantly exceeding xenon lamp alternatives.

6. Is the system suitable for bifacial PV module testing?

Yes. You can configure dual light sources for simultaneous or separate front/rear efficiency evaluation.