槽式太阳能-燃气联合循环将槽式太阳能发电与联合循环进行系统集成,是降低聚光型太阳能发电成本,减少联合循环电站CO2排放的有效途径.本文针对太阳能直接蒸汽发生系统(DSG)与联合循环(CC)构成的系统,研究了不同集热温度下槽式太阳能-燃气联合循环热力性能的变化,并探讨了系统热力性能变化的原因.研究表明,在集热器与环境温差变化范围136～271℃内,槽式太阳能-燃气联合循环系统太阳能发电效率,系统发电燃料比值,太阳能发电比例的最佳集成温度并不一致,槽式太阳能-燃气联合循环系统能源利用效率是集成温度的单调增函数.
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