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Research on temperature control of trough solar collector field based on step predictive control
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Jianfang TANG1, Jun DONG1, Lu LIANG2, Ershu XU3, Yalei PANG2
Thermal Power Generation | 2023, 52(9) : 181 - 189
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Thermal Power Generation | 2023, 52(9): 181-189
Power generation technology forum
Research on temperature control of trough solar collector field based on step predictive control
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Jianfang TANG1, Jun DONG1, Lu LIANG2, Ershu XU3, Yalei PANG2
Affiliations
  • 1.CGNPC New Energy Holding Co., Ltd., Beijing 100000, China
  • 2.School of Control and Computer Engineering, North China Electric Power University, Beijing 102206, China
  • 3.School of Energy, Power and Mechanical Engineering, North China Electric Power University, Beijing 102206, China
Published: 2023-09-25 doi: 10.19666/j.rlfd.202212269
Outline
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During the operation of a trough solar power station, the stability of the outlet temperature of the thermal conductor is an important control objective for the safe and reliable operation of the power station. Due to the structural characteristics of the collector tube, the outlet temperature characteristics of the trough collector have large inertia and large delay, so the outlet temperature control problem is complicated. In order to solve this problem effectively, a dynamic mathematical model of MW trough solar power collector circuit is constructed in this paper, and a temperature control system is constructed at the collector outlet. A step prediction controller for the outlet temperature of trough solar power collector circuit is proposed. Simulation experiments were carried out based on MATLAB/Simulink platform. The simulation results show that, for the groove heat collecting loop, under the disturbance of irradiation, heat conduction oil inlet temperature and ambient temperature, the stepped predictive control system has shorter adjustment time, smaller overshoot, better robustness, and significantly improved control effect compared with the traditional PID control system. The proposed predictive controller can well cope with the situation of heat conduction oil overtemperature and heat conduction oil flow fluctuation at the outlet of heat collecting field, which is conducive to the safe and stable operation of the trough heat collecting field.

trough-type heat collecting circuit  /  trough solar energy  /  predictive control  /  photothermal power generation  /  temperature control
Jianfang TANG, Jun DONG, Lu LIANG, Ershu XU, Yalei PANG. Research on temperature control of trough solar collector field based on step predictive control[J]. Thermal Power Generation, 2023 , 52 (9) : 181 -189 . DOI: 10.19666/j.rlfd.202212269
  • National Natural Science Foundation of China(51976058)
Year 2023 volume 52 Issue 9
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Article Info
doi: 10.19666/j.rlfd.202212269
  • Online Date:2026-01-26
  • Published:2023-09-25
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History
  • Revised:2022-12-25
Funding
National Natural Science Foundation of China(51976058)
Affiliations
    1.CGNPC New Energy Holding Co., Ltd., Beijing 100000, China
    2.School of Control and Computer Engineering, North China Electric Power University, Beijing 102206, China
    3.School of Energy, Power and Mechanical Engineering, North China Electric Power University, Beijing 102206, China
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https://castjournals.cast.org.cn/joweb/rlfd/EN/10.19666/j.rlfd.202212269
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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