| dc.description.abstract | Whether solar cell research and development, production, or validation phase, all needs to have a light source equivalent to sunlight, inspect the component property of solar cell, the solar simulator is small, The test process is not affected by time, season, weather and other factors, so that the test repeatable experimental data, if use the outdoor sunlight to experiment, various environmental factors will affect the result. With the solar energy industry development, the solar simulator is more important. The usual high standard solar simulator, the price is expensive, generally laboratory is difficult to purchase, and in this study we propose a low cost design to achieve the high specification of the solar simulator international standard, the main objective to provide a controllable indoor test facility under laboratory conditions, used for testing and developing of solar cells.
The system will be designed in accordance with international standards of performance solar simulator design can produce a uniform collimated beam optical system to be applied to a solar simulator. The system will be in accordance with the performance solar simulator with international standards, the design of an optical system to be applied to solar simulator, the system consists of a quartz tungsten halogen lamp, ellipsoidal reflector, condenser lens, optical integrator and collimating lenses. The system specifications are: the beam collimating angle is less than 2 °, irradiation non-uniformity is less than 5%, temporal instability is less than 2%
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