Fresnel lens for concentrator type photovoltaic power generation apparatus, condensing type photovoltaic power generation system, and Fresnel lens for concentrator type photovoltaic power generation apparatus

摘要

The Fresnel lens (32F) for the concentrator type photovoltaic power generating apparatus is covered with a glass substrate portion (61) having a circular first corner (613, 618) and one side of the glass substrate part (61), having the same radius as the first corner (613, 618), and the first corner (613, the A synthetic resin portion (62) having a circular second corner (623, 628) coaxially overlapped with 618 is provided.