不同原料配比棉浆复合绝缘纸的制备与性能研究

Preparation and performance of cotton pulp composite insulating materials with different raw material ratio

为提高绝缘成型件、角环等湿法加工绝缘件的韧性及吸油性,加强其装配过程中的工艺可操作性,从而提升变压器的运行可靠性,对不同原料配比棉浆复合绝缘纸的性能进行研究,确定棉浆复合绝缘纸的棉浆比例,然后加工成成品并进行性能测试。结果表明:掺入棉浆体积分数为25%的棉浆复合绝缘纸综合性能最好,使用该原料配比制备的棉浆复合绝缘纸生产的角环、绝缘成型件具有较好的柔韧性及吸油性。

In order to improve the toughness and oil absorption of wet-processed insulating parts such as insulation molding parts and angle rings,strengthen the process operability in the assembly process,and thus improve the operation reliability of transformer,the performance of the cotton pulp composite insulating paper with different raw material ratio was studied.The cotton pulp ratio of the cotton pulp composite insulating paper was determined,and then the finished product was processed and their performance was tested.The results show that the comprehensive performance of the cotton pulp composite insulating paper with 25%volume fraction of cotton pulp is the best,and the corner ring and insulating parts produced by the cotton pulp composite insulating paper have better flexibility and oil absorption.