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机车动车的用途与牵引电机的结构型式和设计决定了绕级绝缘的结构与尺寸,相当大一段时间以来,人们采用了具有无溶剂浸渍树脂和高耐热能力的绝缘系统,因此,牵引电机的热负荷能力有了显著的增加。为采用弹性云母绝缘系统曾进行了容广泛的实验室研究和性能试验;运行经验,特别是防潮方面的经验证明,这种绝缘系统是较好的。发展绝缘的目的在于得到一个相当于目前造价的、具有较高负荷能力的绝缘系统。
The use of locomotives and the structure type and design of the traction motor determine the structure and size of the winding insulation. For a long time, people have adopted insulating systems with solvent-free impregnating resin and high heat resistance. Therefore, the traction motors Heat load capacity has increased significantly. A wide range of laboratory studies and performance tests have been conducted for the use of elastic mica insulation systems; experience with operating experience, especially with respect to moisture proof, has proven that such insulation systems are better. The purpose of developing insulation is to obtain an insulation system with a higher load capacity equivalent to the current cost.