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简要介绍了24~27 kV级大容量发电机SVPI定子线圈绝缘结构及其工艺的设计开发,理论分析了绝缘结构、工艺参数及关键材料的选型,通过对设计开发的24~27 kV定子线圈的介电性能、理化性能进行测试及功能性评估,并与国外技术标准进行分析对比.结果表明:自主设计的24~27 kV SVPI定子线圈绝缘设计能满足发电机定子线圈绝缘电寿命60年的设计要求,设计水平与世界先进水平相当.

The development of insulation structure and technology of SVPI stator coil for 24~27 kV large capacity generators was introduced,and the insulation structure,technological parameters,and selection of critical materials were analyzed.The dielectric property,mechanical and chemical properties of the 24~27 kV stator coil were investigated,and then compared with the foreign technical standards.The results show that the self-designed stator coil could meet the requirement of sixty years of electrical endurance,which is equivalent to advanced level.

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