METHOD FOR DETERMINING TARGET POINTS OF HELIOSTATS DURING PREHEATING OF TOWER-TYPE SOLAR PHOTO-THERMAL POWER STATION

WIPO Patent Application WO/2023/198154

A1

A method for determining target points of heliostats during preheating of a tower-type solar photo-thermal power station, comprising the following steps: establishing a coordinate system of a heliostat field of the tower-type solar photo-thermal power station; obtaining coordinates of each heliostat according to the arrangement of the heliostat field; obtaining vertex coordinates of each heat absorption panel on a heat absorber according to the arrangement of the heat absorber; performing grid division on each heat absorption panel of the heat absorber to obtain vertex coordinates of each grid; obtaining an X coordinate and a Y coordinate of a target point of each heliostat on each heat absorption panel according to a nearest distance principle; and according to the divided grids, using a Z coordinate of the target point of each heliostat on each heat absorption panel as an independent variable, using the sum of squares of the difference between the actual number of target points and the expected number of target points in each grid as a target function, establishing a nonlinear optimization model, and solving for the model to obtain the Z coordinate of each target point. According to the method, the energy flux density on the heat absorption panels can be uniformly distributed, a preheating time is shortened, and the power generation efficiency is improved.

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DAI ZENGLI (CN)
WANG RENBAO (CN)
LI TAO (CN)
SONG XIUPENG (CN)
HAN ZHAOHUI (CN)
WANG DONGXIANG (CN)
JIANG YU (CN)
XIE YU (CN)

PCT/CN2023/088109

October 19, 2023

April 13, 2023

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SEPCOIII ELECTRIC POWER CONSTRUCTION CO LTD (CN)

G06F30/20; F03G6/06; G06T17/20

CN114912251A	2022-08-16
CN102880787A	2013-01-16
CN111881576A	2020-11-03
CN112883647A	2021-06-01
CN114329903A	2022-04-12
US9639090B1	2017-05-02

QINGDAO ARTFIX PATENT AGENCY (GENERAL PARTNERSHIP) (CN)

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