Method for quantification of flexibility requirements and coordinated optimization of a hydro-wind-solar multi-energy complementary systems

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United States of America

PATENT NO 12199442
APP PUB NO 20230268742A1
SERIAL NO

17909594

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Abstract

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The present invention belongs to the field of power system operations and provides a method for quantifying the flexibility demand and coordinating optimization of a hydro-wind-solar multi-energy complementary system. Firstly, the flexibility demand quantification method considering the uncertainty of wind and solar power output is constructed, and the wind and solar power output interval is divided by using quantile points to generate a set of output scenarios, and then the flexibility demand under each scenario is calculated. Based on the quantitative index of flexibility demand, an optimal operation model of hydro-wind-solar complementary system considering the minimum expectation of system flexibility deficiency is constructed to realize the optimal calculation of hydro-wind-solar complementary. By utilizing an actual wind-hydro complementary system of the Yunnan Power Grid, the model is validated for different new energy access ratios. The results show that the method of the present invention can give a complementary operation and scheduling scheme for multiple types of power sources under different conditions, effectively meet the flexibility demand of the system, reduce the abandoned power and improve the level of clean energy integration.

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Patent Owner(s)

Patent OwnerAddress
DALIAN UNIVERSITY OF TECHNOLOGYNO 2 LINGGONG ROAD DALIAN LIAONING 116024 116024

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cheng, Chuntian Liaoning, CN 9 2
Hu, Lin Liaoning, CN 65 344
Shen, Jianjian Liaoning, CN 8 2
Wang, Yue Liaoning, CN 993 12150
Zhang, Congtong Liaoning, CN 2 0
Zhou, Binbin Liaoning, CN 17 52

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