| 摘要 |
A solar energy utilization unit comprises a solar radiation concentrating optics and a solar radiation receiver including first and second receiver components. The first receiver component is designed to convert into electric energy radiation in a first part of the solar spectrum, and the second receiver component is designed to convert into electric energy radiation in a second part of the solar spectrum different from said first part. The solar radiation concentrating optics comprises a concave primary reflector and a convex secondary reflector. The primary reflector is adapted to reflect incident solar radiation towards the secondary reflector, the secondary reflector is adapted to reflect radiation in the first part of the solar spectrum into the first receiver component and to transmit radiation in the second part of the solar spectrum into the second receiver component. The primary reflector is formed with a centrally disposed opening via which the first receiver component is adapted to receive the radiation reflected by the secondary receiver.
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