This paper examines the torsional stresses and life expectancy that occur on600 MW turbine-generator shafts of Piagwei power plant due to various reclosing of transmission line after faults in different system operation conditions.

• 本文研究了平圩电厂600兆瓦汽轮发电机组在系统不同运行方式下,由线路故障及其后的各种成功或不成功的单相和三相重合闸引起的轴系中的扭力矩以及由此引起的疲劳寿命消耗。