减少小浪底水电站机组空载运行时间

Reducing No Load Operation Time of Xiaolangdi Hydropower Station

小浪底水电站是河南电网重要的调峰调频电站,为了维持河南电网的稳定,机组经常需要长时间空载运行[1]。近年来由于河南电网运行方式改变,空载现象愈发频繁,为了保证小浪底机组的长期安全稳定运行,进一步提高水能利用率,本文结合机组运行方式、工况以及河南电网负荷规律、调度方式等,研究机组空载时间与运行方式、流量和调度习惯等的关联性和规律,分析总结影响机组空载时间过长的关键因素[2],并提出相应的解决方案,为促进小浪底发电机组安全稳定运行提供参考和依据。

Xiaolangdi hydropower station is an important peak shaving frequency modulation power station in Henan powergrid.In order to maintain the stability of Henan powergrid,the generator unit often needs long-term no-load operation.In recent years,due to the change of Henan power grid,no-load phenomenon has become more and more frequent.In order to ensure the safe and stable operation of Xiaolangdi unit and further improve the utilization rate of water energy,this paper studies the relationship and law between unit no-load time,operation mode,flow and dispatching habit,working condition,load law and dispatching mode of Henan power grid,analyzes and summarizes the key factors that affect the long no-load time of the unit,and puts forward the corresponding solutions,so as to provide reference and basis for promoting the safe and stable operation of Xiaolangdi generator unit.