Optimization design of solar multiple and thermal storage hour for DSG tower power generation

LUO Yan; DU Xiaoze; YANG Lijun; YANG Yongping

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Optimization design of solar multiple and thermal storage hour for DSG tower power generation

Thermal Power Generation Issue 5, (2017)

更新时间：2025-09-28

- Optimization design of solar multiple and thermal storage hour for DSG tower power generation
- 作者机构：
  
  华北电力大学能源动力与机械工程学院,北京,102206
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK514
- Published Online：27 May 2017，
  
  Published：2017
- 稿件说明：
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LUO Yan, DU Xiaoze, YANG Lijun, et al. Optimization design of solar multiple and thermal storage hour for DSG tower power generation[J]. Thermal Power Generation, 2017, (5).
DOI：

LUO Yan, DU Xiaoze, YANG Lijun, et al. Optimization design of solar multiple and thermal storage hour for DSG tower power generation[J]. Thermal Power Generation, 2017, (5). DOI：

摘要

针对配备分离式吸热器的50 MW直接蒸汽（DSG）塔式太阳能电站，通过建立塔式电站系统耦合模型和经济性评价模型，探究太阳倍数和储热时长对其运行性能和标准发电成本（LCOE）的影响。结果表明：对于设计工况，当太阳倍数从1.0增加到3.0时，定日镜场光学效率随着太阳倍数的增加而降低，由67.8%降至62.3%，分离式吸热器热效率则基本不发生变化，朗肯循环效率也稳定维持在40.6%；对于年评价因子，电站年发电量和年容量因子均随着太阳倍数和储热时长的增加而增加；经优化计算，电站最低LCOE为0.214 $/(kW・h)，太阳倍数为2.7，储热容量为9 h，年容量因子为0.501，年发电量为219.5 GW・h；在最低LCOE下计算电站的月性能，发现提高太阳法向直射辐射强度（DNI）有利于提高容量因子和发电量。

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