双碳目标下水光储互补系统的调度路径研究OA

Driven by the"dual carbon"strategy,the process of China's energy structure transformation has accelerated,with a significant increase in the proportion of installed clean energy capacity.Under the conventional independent operation mode of hydropower,solar power,and energy storage stations,severe curtailment of solar power and hydropower often occur,due to limited transmission channel capacity.To address this issue,a"year-month-day three-level complementary mechanism"is constructed to realize medium-and long-term complementarity combined with short-term dispatch coordination,achieving the re-distribution of system output in the time dimension.A comprehensive benefit maximization model consid-ering both power generation and curtailment is established,with the Yarkand River Basin in Xinjiang as a case study.The results show that the application of the hydro-PV-storage complementary system signif-icantly improves clean energy absorption capacity.Most indicators such as the stability ratio of power out-put variation between wet and dry seasons and the annual incremental power generation ratio from optimal dispatch keep improving with the increase of transmission channel capacity.Against the backdrop of vig-orous clean energy development in China,the proposed three schemes can reduce carbon dioxide emis-sions by 6.838 million,6.927 million,and 7.192 million tons,respectively.Compared with thermal power generation,these schemes demonstrate remarkable environmental benefits.This study provides a feasible practical path for the optimization of hydro-PV-storage complementary systems and the realiza-tion of the"dual carbon"goals.