水氢冷300 MW发电机轴颈损伤实例处理和计算分析

SHANGHAI DAZHONGXING DIANJI(2014)

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Abstract
以某电厂300 MW汽轮发电机转子轴颈损伤故障为例,介绍了故障的检查、处理措施以及有关的计算分析.展示了汽轮发电机转子轴颈损伤的实物照片,介绍了修理步骤包括修理前的转子电气试验、发电机转子各关键部位的跳动检查及记录与标注,转子本体摆度的测量、转子上车床对轴颈进行车加工、砂修、硬度检查及着色探伤及超声波探伤,装配风叶及赐叶配重,转子清理,转子动平衡及1.1倍额定转速的超速试验,转子绕组电气试验,转子气密试验,喷漆及发运前的防护处理等.
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