Control method for optimizing solar-to-power efficiency of solar-aided coal-fired power system under off-design working conditions

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United States of America Patent

PATENT NO 11396827
APP PUB NO 20220145779A1
SERIAL NO

17606042

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Abstract

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A control method for optimizing a solar-to-power efficiency of a solar-aided coal-fired power system under off-design working conditions is provided. Through reading the relevant information of the solar collecting system, the coal-fired power generation system, the environmental conditions, and the working conditions of the solar-aided coal-fired power system, the water flow rate range able to be heated by the solar collecting unit and the solar-coal feedwater flow distribution ratio range are determined; through establishing the relationship between the solar-to-power efficiency and the solar-coal feedwater flow distribution ratio, the solar-coal feedwater flow distribution ratio is regulated, so that a flow rate of water entering the solar collecting system to be heated is controlled, thereby maximizing the solar-to-power efficiency and improving the economy of the solar-aided coal-fired power system. The present invention provides clear guidance to improve the utilization rate of solar energy and facilitate the consumption of the renewable energy.

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Patent Owner(s)

Patent OwnerAddress
XI'AN JIAOTONG UNIVERSITY710049 NO 28 WEST XIANNING ROAD SHAANXI XI'AN XI'AN CITY SHAANXI PROVINCE 710049

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chong, Daotong Shaanxi, CN 10 5
Li, Xin Shaanxi, CN 946 7137
Liu, Ming Shaanxi, CN 547 2816
Yan, Hui Shaanxi, CN 45 100
Yan, Junjie Shaanxi, CN 72 307

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