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中文摘要：
针对330MWe太阳能与燃煤互补发电系统，利用抛物槽式太阳能集热系统汇聚300。C左右的太阳热能，替代蒸汽抽汽加热给水，对系统中太阳能镜场的布置及优化进行了深入研究。基于集热场运行工况，开发了太阳能集热场设计的模拟计算程序。探讨了镜场遮挡损失与集热器间距的关系；研究传热工质流速、太阳辐照强度对集热场布置的影响规律。在设计工况下，镜场集热量49MW，镜场面积为1．39×10^5m2，占地面积4．19×10^5m2，镜场和场地面积比达到33．2％，优于当前槽式太阳能单独热发电22％-25％的水平。本文研究结果为太阳能与燃煤互补电站太阳能岛的设计提供了依据。
英文摘要：
Based on a 330 MW solar thermal aided coal-fired power generation system with the solar thermal energy （about 300℃） to replace the bled-off steam to preheat the feed water entering the boiler, the layout of the solar collector field has been investigated. A simulation program for the solar collector field design was developed. Considering the shading between collectors, the appropriate spacing of collector arrays in the field was given, and the relationships of the layout of the solar collector field with the heat transfer fluid inlet velocity, direct normal solar irradiation were also investigated. In the design condition, the thermal output power of the collector field is reached 49 MW, the solar-field area was 139000 m2 , and the land area is 419000 m2, so that the area ratio of the solar-field aperture area and the land area is achieved with 33.2%, which is much better than that of the conventional parabolic trough solar thermal power plant with 22%-25%. The encouraging results will provide a reference for the design of thermal aided power generation.
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