Study on Heliostat Field Layout of Solar Power Tower Plant

doi:10.12096/j.2096-4528.pgt.21094

Abstract

Abstract:

Three tower heliostat field layouts, EB, No blocking-dense, and DELSOL derived from the radial staggered layout and the principle of no blocking loss, were studied. After summarizing the mathematical models of the three heliostat field layouts, combined with some design parameters of Gemasolar power tower plant, the software SolarPILOT was used to model and simulate the heliostat field according to the three layout modes. MATLAB was used to process the coordinate data of the heliostat field obtained by the modeling, and the change curves of radial spacing and azimuth spacing were obtained, so as to verify the rationality of the three layout mathematical models. The layout rules of the heliostat ring were obtained by analyzing the arrangement characteristics of the basic ring and the staggered ring in each heliostat field. At the same time, the performance of different layouts was compared from the number of heliostats, the optical efficiency, the land utilization ratio and the receiving energy of the heliostat field, and their advantages and disadvantages were analyzed. The results show that in the range of 1 000 m radius of the heliostat field, the average annual optical efficiency and land utilization rate of the heliostat field under the No blocking-dense layout are the highest, followed by the EB layout. However, the number of the heliostats and the receiving energy of the heliostat field under the EB layout are the largest, and the performance characteristics of the DELSOL layout are the lowest.

Key words: solar thermal power generation, solar power tower plant, heliostat field layout, radial spacing, azimuth spacing

CLC Number:

TK51

Hao SUN, Bo GAO, Jianxing LIU. Study on Heliostat Field Layout of Solar Power Tower Plant[J]. Power Generation Technology, 2021, 42(6): 690-698.

Figures/Tables 9

Tab. 1 Partial public parameters of Gemasolar power plant

类别	参数	数值
资源环境	纬度/(°)	37.42
	经度/(°)	−5.90
	年均DNI/(kW∙h/m²)	2 172
	年均环境温度/℃	18.4
	设计点逐时DNI(W/m²)	917
定日镜场	定日镜高度/m	12.305
	定日镜宽度/m	9.752
	定日镜面积/m²	120
	定日镜数量/面	2 650
	反射面积与总结构面积之比	0.960
集热系统	吸热塔光学高度/m	147
	吸热器高度/m	14.220
	吸热器直径/m	8.890
	涂层吸收率/%	95.0
发电模块	汽轮发电机额定功率/MW	19.9
	汽轮机循环热效率/%	37.5
	发电机效率/%	87.5

Fig.1 Schematic illustration of DELSOL layout

Fig.2 Schematic illustration of EB layout

Fig.3 Schematic illustration of No blocking-dense layout

Fig.4 Radial spacing diagram

Fig.5 Azimuth spacing diagram

Fig.6 Average annual efficiency of heliostat field under different layouts

Fig.7 Land utilization ratio and area of heliostat field, and total area of heliostat under different layouts

Fig.8 Received energy of different layout heliostats at a typical day

References 28

1	张哲旸, 巨星, 潘信宇, 等. 太阳能光伏-光热复合发电技术及其商业化应用[J]. 发电技术, 2020, 41 (3): 220- 230.
	ZHANG Z Y , JU X , PAN X Y , et al. Photovoltaic/concentrated solar power hybrid technology and its commercial application[J]. Power Generation Technology, 2020, 41 (3): 220- 230.
2	王泽众, 黄平瑞, 魏高升, 等. 太阳能热发电固-气两相化学储热技术研究进展[J]. 发电技术, 2021, 42 (2): 238- 246.
	WANG Z Z , HUANG P R , WEI G S , et al. Research progress of solid-gas two-phase chemical heat storage technology for solar thermal power generation[J]. Power Generation Technology, 2021, 42 (2): 238- 246.
3	曹传钊, 郑建涛, 刘明义, 等. 塔式太阳能热发电技术的发展[J]. 可再生能源, 2013, 31 (12): 21- 25. DOI
	CAO C K , ZHENG J T , LIU M Y , et al. The development of solar power tower technology[J]. Renewable Energy Resources, 2013, 31 (12): 21- 25. DOI
4	张茂龙, 卫慧敏, 杜小泽, 等. 塔式太阳能镜场阴影与遮挡效率的改进算法[J]. 太阳能学报, 2016, 37 (8): 1998- 2003. DOI
	ZHANG M L , WEI H M , DU X Z , et al. Modified algorithm of shadow and blocking efficiency for heliostat field of solar power tower[J]. Acta Solar Energy, 2016, 37 (8): 1998- 2003. DOI
5	RIZVI A A , DANISH S N , EL-LEATHY A , et al. A review and classification of layouts and optimization techniques used in design of heliostat fields in solar central receiver systems[J]. Solar Energy, 2021, 218, 296- 311. DOI
6	LIPPS F W , VANT-HULL L L . A cellwise method for the optimization of large central receiver systems[J]. Pergamon, 1978, 20 (6): 506- 516.
7	LAURENCE C L, LIPPS F W, VANTHULL L L. User's manual for the University of Houston individual heliostat layout and performance code[EB/OL]. (1984-12-01)[2021-07-01]. https://www.osti.gov/servlets/purl/6065468/.
8	COLLADO F J , GUALLAR J . Campo: generation of regular heliostat fields[J]. Renewable Energy, 2012, 46, 49- 59. DOI
9	LEONARDI E , D'AGUANNO B . CRS4-2: a numerical code for the calculation of the solar power collected in a central receiver system[J]. Energy, 2011, 36 (8): 4828- 4837. DOI
10	SCHRAMEK P , MILLS D R , STEIN W , et al. Design of the heliostat field of the CSIRO solar tower[J]. Journal of Solar Energy Engineering, 2009, 131 (2): 024505. DOI
11	SANCHEZ M , ROMERO M . Methodology for generation of heliostat field layout in central receiver systems based on yearly normalized energy surfaces[J]. Solar Energy, 2005, 80 (7): 861- 874.
12	NOONE C J , TORRILHON M , MITSOS A . Heliostat field optimization: a new computationally efficient model and biomimetic layout[J]. Solar Energy, 2011, 86 (2): 792- 803.
13	ALDULAIMI R K M , SÖYLEMEZ M S . Performance analysis of multilevel heliostat field layout[J]. Turkish Journal of Science & Technology, 2016, 11 (2): 11- 20.
14	CÁDIZ P , FRASQUET M , SILVA M , et al. Shadowing and blocking effect optimization for a variable geometry heliostat field[J]. Energy Procedia, 2015, 69, 60- 69. DOI
15	CARRIZOSA E , DOMÍNGUEZ-BRAVO C , Fernández-Cara E , et al. A heuristic method for simultaneous tower and pattern-free field optimization on solar power systems[J]. Computers and Operations Research, 2015, 57, 109- 122. DOI
16	YANG S , LEE K , LEE I . Pattern-free heliostat field layout optimization using physics-based gradient[J]. Solar Energy, 2020, 206, 722- 731. DOI
17	SIALA F M F , ELAYEB M E . Mathematical formulation of a graphical method for a no-blocking heliostat field layout[J]. Renewable Energy, 2001, 23 (1): 77- 92. DOI
18	WAGNER M J , WENDELIN T . SolarPILOT: a power tower solar field layout and characterization tool[J]. Solar Energy, 2018, 171, 185- 196. DOI
19	曹传胜. 塔式太阳能热发电站性能的影响因素研究[J]. 太阳能学报, 2020, 41 (10): 223- 228.
	CAO C S . Investigation of influence factors on the performance on the solar power tower plants[J]. Acta Energiae Solaris Sinica, 2020, 41 (10): 223- 228.
20	WANG J X , DUAN L Q , YANG Y P . An improvement crossover operation method in genetic algorithm and spatial optimization of heliostat field[J]. Energy, 2018, 155, 15- 28. DOI
21	林修文. 塔式太阳能热发电站仿真[D]. 成都: 西南交通大学, 2016.
	LIN X W. The visual simulation of solar power tower[D]. Chengdu: Southwest Jiaotong University, 2016.
22	程小龙. 基于光学效率的塔式电站镜场布局优化设计研究[D]. 合肥: 合肥工业大学, 2018.
	CHENG X L. Study on the optimal of heliostat field layout for solar power tower plant[D]. Hefei: Hefei University of Technology, 2018.
23	李心, 许粲羚, 纪培栋, 等. 塔式光热电站集热场设计综述及经济性研究[J]. 南方能源建设, 2020, 7 (2): 51- 59.
	LI X , XU C L , JI P D , et al. Review and economic research on solar field design of solar tower plants[J]. Southern Energy Construction, 2020, 7 (2): 51- 59.
24	宓霄凌, 王伊娜, 李建华, 等. 塔式太阳能热发电站镜场设计分析[J]. 太阳能, 2016, (6): 61- 65. DOI
	MI X L , WANG Y N , LI J H , et al. Design analysis of solar power tower plant[J]. Solar Energy, 2016, (6): 61- 65. DOI
25	王凯丽, 朱慧君. 塔式太阳能热发电镜场的边界优化[J]. 热能动力工程, 2020, 35 (7): 201- 206.
	WANG K L , ZHU H J . Boundary optimization of tower solar thermal power generation heliostat[J]. Journal of Engineering for Thermal Energy and Power, 2020, 35 (7): 201- 206.
26	李雅雯. 塔式太阳能定日镜场聚光系统控制策略研究[D]. 北京: 华北电力大学, 2019.
	LI Y W. Study on control strategy of light concentration system in heliostat field of solar tower power plant[D]. Beijing: North China Electric Power University, 2019.
27	KISTLER B L. A user's manual for DELSOL3: a computer code for calculating the optical performance and optimal system design for solar thermal central receiver plants[R]. Albuquerque, New Mexico: Sandia, 1986.
28	REDA I , ANDEREAS A . Solar position algorithm for solar radiation application[J]. Solar Energy, 2004, 76 (5): 577- 589. DOI

[1]	Jun DONG, Jianfang TANG, Chuncheng ZANG, Li XU, Zhifeng WANG. Development and Application of Test System for Ball Joints of Parabolic Trough Solar Collector [J]. Power Generation Technology, 2024, 45(2): 291-298.
[2]	Yunfei XU, Shuimu WU, Yingjie LI. Research Progress of CaO-CO₂ Thermochemical Heat Storage Technology for Concentrated Solar Power Plant [J]. Power Generation Technology, 2022, 43(5): 740-747.
[3]	Li XU, Feihu SUN, Zhi LI, Qiangqiang ZHANG. A Calculation Method of Average Fluid Temperature in Solar Collector [J]. Power Generation Technology, 2022, 43(3): 405-412.
[4]	Zhirong LIAO, Pengda LI, Ziqian TIAN, Chao XU, Gaosheng WEI. Heat Transfer Enhancement of a Cascaded Latent Heat Thermal Energy Storage System by Fins With Different Uneven Layouts [J]. Power Generation Technology, 2022, 43(1): 83-91.
[5]	Lu DING, Xinyue XIAO, Zhengwen XI, Wenhan HUA. Simulation Calculation and Influence Analysis of High Altitude Wind Speed in Different Directions of Tower Solar Energy Receiver [J]. Power Generation Technology, 2021, 42(6): 707-714.
[6]	Lanhua LIU, Linwen DI, Xingwan DONG, Ruilin WANG. Study on Dynamic Characteristics of Parabolic Trough Solar Collector Circuit [J]. Power Generation Technology, 2021, 42(6): 673-681.
[7]	Li XU, Feihu SUN, Jun LI, Qiangqiang ZHANG. Experimental Analysis of the Influence of Flow Rate on Heat Transfer Characteristics of Parabolic Trough Solar Collector [J]. Power Generation Technology, 2021, 42(6): 665-672.
[8]	Lanhua LIU, Ruilin WANG, Hui HONG. Design of Calcium-based Carbon Capture System for Gas-Steam Combined Cycle Assisted by Solar Thermal Tower [J]. Power Generation Technology, 2021, 42(4): 517-524.
[9]	Zezhong WANG, Pingrui HUANG, Gaosheng WEI, Liu CUI, Chao XU, Xiaoze DU. Research Progress of Solid-Gas Two-Phase Chemical Heat Storage Technology for Solar Thermal Power Generation [J]. Power Generation Technology, 2021, 42(2): 238-246.
[10]	Yaodong LIU, Yanping ZHANG, Liang WAN, Wei GAO. Heat Transfer Modelling and Performance Analysis of Trough Solar Thermal Power Collector Based on Al₂O₃ Nanofluid [J]. Power Generation Technology, 2021, 42(2): 230-237.
[11]	Kaiyun ZHENG. Application of Supercritical Carbon Dioxide Cycle Power Generation Technology [J]. Power Generation Technology, 2020, 41(4): 399-406.