Sunlight is blocked by dark clouds and stains on the silicon plate... These reasons may cause solar generators to produce “sunlight fugitives†in the process of collecting sunlight, and even cause photovoltaic generator sets to short circuit. An intelligent photovoltaic junction box developed by Suzhou City, using energy recovery technology, can catch these escaped sunlight and receive 57% more sunlight.
In Suzhou Fast Photovoltaic Electronics Co., Ltd., the reporter saw this intelligent photovoltaic junction box, which looks like a “black box†and is almost the size of a mobile hard disk. In the entire solar generator set, this "black box" is installed behind the silicon plate. When sunlight hits a silicon plate, photovoltaic generators such as silicon plates begin to generate current, and the current is integrated into a stable direct current through the photovoltaic junction box, and then into the inverter to convert into alternating current, thereby completing the entire power generation process.
Different from the traditional photovoltaic junction box, the photovoltaic photovoltaic junction box developed by Fast Photovoltaic Company has two functions, one is protection and the other is recovery. Duan Zhenggang, general manager of the company, introduced that when the silicon board is placed outdoors, it is often polluted by bird droppings. In addition, the sunlight is blocked by dark clouds. As a result, the amount of solar light collected by the silicon board will be reduced, and the pollution will be reduced. The accumulation of materials on the silicon plate is also likely to cause a short circuit in the photovoltaic generator set. “Generally speaking, the design life of a group of solar generators is about 25 years. How to avoid the occurrence of the above-mentioned situation is indispensable for this small “black boxâ€. In 2010, the company collaborated with National Semiconductor Corporation to jointly develop this intelligent photovoltaic junction box, which can automatically block the blocked sunlight from the silicon plate when sunlight is obstructed. We call this technology. Called 'distributed with maximum power tracking and power recovery technology', in layman's terms, 'energy recovery technology'. According to estimates, through this intelligent photovoltaic junction box, photovoltaic generator can receive 57% of the sun.
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