Reliability evaluation of wind-hydro-thermal power generation system based on Monte Carlo simulation technology
This article is based on sequential Monte Carlo simulation(MCS)technology,incorporating the coordination between thermal power,hydropower,and wind energy into the evaluation of system reliability.Firstly,appropriate energy indicators were in-troduced to evaluate the utilization rate of renewable energy in the coordinated system operation.Secondly,IEEE-RTS79,consisting of hydraulic and thermal units,was established as a testing system to integrate wind farms into the IEEE-RTS79 system of hydropow-er and thermal power.Finally,the reliability of the entire system and the impact of wind power,hydraulic and thermal unit coordina-tion on wind and hydraulic utilization were tested and evaluated.The research results indicate that the reliability of the system is re-lated to the water storage capacity of the reservoir and the number of hydroelectric units,and the reliability of the system improves with the increase of wind permeability.The evaluation and analysis of the improved IEEE-RTS79 reliability system verified the ef-fectiveness of the evaluation model,providing important references for the planning of the power grid and system operation mode.
wind-hydro-thermal powerMonte Carlo simulationsystem reliability
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