BBA Steady-State Solar Simulator

The BBA Steady-State Solar Simulator is a high-precision laboratory device that provides solar illumination closely resembling natural sunlight. Using a BBA-class large-area steady-state light source, it enables PV module aging tests, maximum power measurements, temperature coefficient evaluation, low irradiance performance testing, hotspot durability experiments, and light-induced degradation assessments. The system helps evaluate the electrical performance and reliability of PV modules under various illumination conditions.

Application

The BBA Steady-State Solar Simulator is applicable in multiple scenarios:

Factory performance testing and certification of PV modules

R&D evaluation of PV module maximum power and electrical performance

Photovoltaic module light-induced degradation and hotspot durability testing

Temperature coefficient and low-irradiance performance measurements

Type testing and laboratory simulation of PV module aging

Climate environment laboratories simulating controlled light conditions

Standards

The simulator complies with key international standards:

(1) GB/T 6495.3 – Solar Radiation – Measurement of Spectral Irradiance Distribution

(2) IEC 61215 – Crystalline Silicon Terrestrial Photovoltaic Modules – Design Qualification and Type Approval

(3) IEC 61646 – Thin-Film Photovoltaic Modules – Design Qualification

(4) IEC 60904-6 – Photovoltaic Devices – Procedures for Using Reference Cells and Simulators

Parameters

Features

Large-area BBA-class steady-state solar simulator suitable for full-size PV module testing

Strict Class B spectral match and uniformity compliance

High-precision light intensity adjustment (800–1000 W/m²) and low irradiance testing (200 W/m²)

Supports hotspot testing, temperature coefficient measurement, and light-induced degradation experiments

Long-life metal halide lamp with spare set ensures up to 2000 hours of operation

Multilingual software interface with full data acquisition, storage, analysis, and report generation

Accessories

(1) BBA Solar Simulator Main Unit – includes light source, lamp mount, and optical system

(2) IV Curve Tester – measures module current-voltage characteristics

(3) Control Software – data acquisition, display, and report generation

(4) Dedicated Computer – software operation and data management

(5) Consumable Metal Halide Lamp – single lamp ~1000 hours, 1 spare set provided

(6) Consumable Optical Filters – ensure spectral match and irradiance uniformity

(7) Optional Calibration Reference Device – IEC 60904-6 standard photovoltaic reference

Test Procedures

Configure test parameters: irradiance (800–1000 W/m²), temperature (STC or NOCT), and low irradiance (200 W/m²)

Mount the PV module on the test fixture and adjust angle for perpendicular incidence of light

Start the BBA steady-state solar simulator and stabilize illumination to the set conditions

Use the IV curve tester to record the module’s current-voltage characteristics

Conduct hotspot experiments, temperature coefficient measurements, and light-induced degradation tests

Collect test data, analyze maximum power, fill factor, efficiency, and electrical performance variations

Output and archive experiment reports for traceability

Maintenance Information

Ensure power supply and grounding meet safety standards

Regularly inspect the lamp, optical filters, and software system for operational status

Replace lamps and filters according to usage hours to maintain measurement accuracy

Clean optical surfaces and test fixtures to prevent contamination affecting uniformity

Check the computer and data acquisition system for smooth operation

Schedule periodic calibration using reference devices to ensure test precision

Conclusion

The BBA Steady-State Solar Simulator provides highly accurate, reproducible, and versatile testing of PV modules under controlled light conditions. It supports full-size module testing, high-precision light intensity and spectral control, and comprehensive IV curve analysis. The system is suitable for R&D, type testing, factory quality control, and environmental laboratory studies, ensuring PV module performance evaluation and reliability verification in various illumination scenarios.

FAQ

1. What is the primary purpose of the BBA Steady-State Solar Simulator?

The simulator provides laboratory-controlled sunlight conditions to evaluate PV module performance, including maximum power, efficiency, temperature coefficients, low irradiance performance, hotspot durability, and light-induced degradation. It enables accurate reproduction of solar conditions for R&D, quality control, and type testing.

2. How is light intensity controlled and measured?

Light intensity is continuously adjustable between 800–1000 W/m², with low irradiance testing down to 200 W/m². The simulator uses metal halide lamps combined with optical filters to ensure Class B spectral match and uniformity. Light intensity is monitored in real time by the system and stabilized before data acquisition.

3. Can the simulator be used for full-size PV modules?

Yes, the simulator has a 2.0 × 1.0 m effective test area, making it suitable for full-size PV module testing. Its BBA-class uniformity ensures consistent illumination across the entire module surface, supporting accurate IV measurements, hotspot, and aging experiments.

4. What are the software capabilities of the system?

The control software allows multilingual interface (Simplified/Traditional Chinese, English), data acquisition, storage, query, export, and report generation in Word, Excel, PDF, or JPG formats. It integrates IV curve testing and experimental parameter control for comprehensive performance analysis.