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

Technical Parameters

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.

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

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.

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