三峡工程水电机组选型建议

The Suggestion for Hydraulic Turbine Selection of Sanxia Power Station

从目前论证的三峡工程水电机组选型及主要参数来分析,三峡电站选用的设计水头偏低,单机出力限制了高水头运行区机组效率。本文探讨了减少上游低水位运行时间,增加平均水头和装机容量的意义和可能性,以利更充分地利用长江的水力资源,取得更好的效益。

It is considered that selected design head is low for Sanxia power station and the efficiency is limited by single-unit output at high head range, according to analyzing the demonstration for main parameters of units at station. The significance and possibility of reducing the operating time of low headwater elevation and increasing the mean head and the installed capacity of station are discussed in this paper, in order to sufficiently take advantage of Yangtze river and obtain the best effects.