Study of a typical photovoltaic greenhouse in Hainan tropical island

In the combination process of photovoltaic electric power generation with agriculture, there are many problems brought out, even in some important demonstration projects in Hainan island. In order to solve some of these problems, we detected and analyzed part of the plant growth factors in a typical project built in 2014. We measured the temperature distribution of plants and photovoltaic panels in the greenhouse and on the open land, were also tested the light intensity in the greenhouse and near panels. The infrared temperature distribution image and light intensity curve showed that the temperature has no obvious differences because of wind, but the light intensity reduced to 1/20 to 1/8 of total sunlight intensity outside the greenhouse, too weak for many plants to growth well. These detection results are very important for photovoltaic greenhouse design.