A new structrue for solar energy collection in space

摘要

Compared to earth-based solar energy, space-based solar energy has the advantages of high efficiency and energy density, continuity and stability, which is promising to be one of the most important energy sources for sustainable development in the future. Several current design concepts for space solar energy collection have disadvantages of low collection efficiency, and/or large fluctuation in solar concentration, large mass, and complicated control system. Some typical solar energy collection systems (SECS) in space are introduced briefly and a new structure for space-based energy collection with line focus region is presented in detail, both the system configuration and operational principle are given. The energy distribution of the energy collection surface of the proposed concept is analyzed. Collection efficiency curve with the change of sun angle is also presented. Analysis shows the proposed concept has good performance in the stability of energy collection.