This paper,on the basis of reading extensive literature,comprehensive describes several kinds insulation process of large electric machine groudwall insulation's development,and comparative analysis their advantages and disadvantages,provides a reference for our country 's insulation process of large electric machine groudwall insulation.% 在阅读大量文献的基础上,综合叙述了大电机主绝缘的几种绝缘工艺的发展,并对其优缺点进行了对比分析,为我国大电机主绝缘的工艺研究提供参考。
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