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Test methods for solar panels

Edit: DS New Energy    Date: Aug 02, 2018

(1) As the output power of solar modules depends on such factors as solar irradiance and solar cell temperature, the measurement of solar modules is carried out under standard conditions (STC), and the standard conditions are defined as:

Atmospheric quality AM1.5, light intensity 1000w/m2, temperature 25 ℃.


(2) Open circuit voltage: with 500W halogen tungsten lamp, 0~250v AC transformer, light intensity set for 3.8~4.0 lux, the distance between the lamp and test platform is approximately 15-20cm, the direct test value is open circuit voltage; 


(3) Under this condition, the maximum power output by the solar module is called peak Power, and in many cases the peak power of the component is usually determined by a solar simulator.

The main factors that affect the output performance of solar cell components are as follows:

1) Load Impedance

2) Sunshine intensity

3) temperature 4) Shadow


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