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Analysis of Turbine Generator Rotor Vibration Characterisitc Under Electromechanical Compound Faults
Author(s): 
Pages: 2687-2692
Year: Issue:  11
Journal: High Voltage Engineering

Keyword:  质量不平衡动偏心转子绕组匝间短路不平衡力幅值相位;
Abstract: 针对汽轮发电机机械、电气故障间的交叉影响,采用气隙磁导法建立了发电机气隙磁场模型,分析了多种故障引起的作用于转子的不平衡力以及机电复合故障状态下的转子振动特征.数值仿真表明:转子绕组匝间短路故障与转子基频振动幅值间并不是单一的对应关系.最终得出结论:同时参考振幅和相位信息诊断转子绕组匝间短路故障有助于提高诊断转子绕组匝间短路故障的灵敏性和可靠性.
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