【摘要】 本文采用6面体8节点等参元计算了大型发电机定子三维温度场，并用数值模拟的方法分析了绝缘老化脱壳后对定子温度场的影响，得出了十分有益的结论，从而为电机运行过程中的温度监测和热故障诊断提供了理论依据。更多还原

【Abstract】 In this paper isoparametric element method of hexahedron and eight nodes is used to calculate the 3D stator temperature fields of large hydrogenerator.The inf luence of insulation ageing and shelling on stator temperature fields is analyze d by numerical simulation method and some useful conclusions are drawn,which pro vide theoretical basis for in-line temperature monitoring and heat faults diagn osing for generator operation.更多还原