70年代末期由加拿大GE公司制造的美国大古力电站3台单机容量700MW水轮发电机，近年来由于发生多起走子线棒端部引线漏水而强迫停机检修，库存备用部件也已用完，决定彻底检修，并由德国西门子公司进行增容改造，使其增容到805MW。这3台机组分别于1995年10、11月和1997年10月完 In the late 1970s, three single-capacity 700MW hydroelectric turbines manufactured by GE Company of Canada were used in Canada in the late 1970s. In recent years, due to the occurrence of multiple leaking wires at the ends of lead rods, forced shutdown was halted and stocked spare parts were exhausted , Decided to overhaul, by the German Siemens company capacity expansion transformation, make it up to 805MW. The three units were completed in October and November 1995 and October 1997 respectively