The main reason to cause the No. 1 bearing pad crashing and unsteady is turbine coupling running aberrancy and blower rotor local crack.

• 通过分析提出,汽轮机对轮瓢偏超差和风机转子局部裂纹是导致1%23瓦产生乌金碎裂和不稳定的主要原因。