The inner - plant economical operation of lijiaxia hydropower station is studied based on the disadvantageous operating mode area of the units determined by school of civil engineering of tianjin university and the actual operating experience of the lijiaxia hydropower station in the last a few years 摘要以天津大学建筑工程学院确定的李家峡水电站机组的不利工况区为依据,以近几年来该水电站的实际运行经验为参考,在综合考虑机组初始运行状态、机组振动特性、机组出力、下泄流量、水库蓄水量和电网负荷平衡等因素的基础上对李家峡水电站的厂内经济运行进行了研究。