Research on optimal scheduling strategy of water and light complementary based on improved particle swarm optimization

With the continuous progress and development of society, problems such as environmental pollution and energy shortage have become increasingly prominent. Vigorously developing renewable energy and actively promoting the transformation of energy structure are of great significance for the sustainable development of social economy. Photovoltaic output is highly susceptible to climate environment and other factors, separate integration into the power grid will cause a threat to the safe and stable operation of the power grid or produce a large number of abandoned electricity, through the regulation of good performance, rapid shutdown and clean and pollution-free hydropower and its joint integration into the power grid, can improve the utilization efficiency of renewable clean energy. In this paper, the average value of the total output fluctuation of the system is used to characterize the coordination of the water-light complementary integrated system, and the efficiency of the water-light comprehensive output electricity is used to characterize the economy of the system. A short-term optimal scheduling model of water-light complementary is established considering the coordination and economy of water light, and the daily operation law of hydropower and photovoltaic power generation is analyzed. The results show that the water-light complementary integrated system can consider the coordination of system operation, and realize the maximization of power generation economy while ensuring the minimum fluctuation of total water-light output.