Over temperature problem occurred on No 1 bearing bush of No 1 steam turbine while it was operating under rated conditions and load in Huaneng Shantou Power Plant.

• 华能汕头电厂1 号汽轮机在额定参数和额定负荷下1 号轴承的轴瓦温度过高。 主要原因是该轴承承受过大的负载， 部分油膜减薄， 引起瓦温升高。