介电功能梯度材料在电气绝缘领域的研究进展

发布时间：2018-05-03 06:30

本文选题：功能梯度材料 + 固体绝缘　；参考：《中国电机工程学报》2017年14期

【摘要】：介电功能梯度材料(dielectric functionally graded materials,d-FGM)是一种具有空间非均匀介电参数分布的新型绝缘材料。在电气绝缘领域,d-FGM可通过调节材料介电常数或电导率的空间分布,实现电场分布的有效调控,进而显著提升绝缘结构的耐电强度。相对于传统绝缘设计中结构优化与材料改性相对分离的情况,d-FGM创新性地将两者有机结合起来,有望带来绝缘设计理念的变革。该文分析了d-FGM在电气绝缘领域的应用原理,综述了其研究进展,并进一步从d-FGM设计、制备、性能评价(包含介电特性无损检测、放电起始及发展物理机制探索)等方面,阐述了d-FGM研究中的关键科学问题及解决思路,以期对电气绝缘d-FGM的学术研究及工程应用起到指导和促进作用。
[Abstract]:Dielectric functionally graded material material FGM (dielectric functionally gradient material) is a new type of insulating material with nonuniform dielectric parameter distribution in space. In the field of electrical insulation, the electric field distribution can be effectively regulated by adjusting the spatial distribution of dielectric constant or conductivity of materials, and the electrical strength of insulation structure can be improved significantly. Compared with the separation of structure optimization and material modification in traditional insulation design, d-FGM innovatively combines both of them, which is expected to bring about the innovation of insulation design concept. In this paper, the application principle of d-FGM in the field of electrical insulation is analyzed, and its research progress is reviewed. Further, the design, preparation, performance evaluation (including nondestructive testing of dielectric properties, discharge initiation and exploration of physical mechanism of development) of d-FGM are discussed. This paper expounds the key scientific problems in the research of d-FGM and their solutions in order to guide and promote the academic research and engineering application of electrical insulation d-FGM.
【作者单位】：电力设备电气绝缘国家重点实验室(西安交通大学);
【基金】：国家自然科学基金创新研究群体科学基金(51521065);国家自然科学基金项目(51577150) 国家重点基础研究发展计划(973计划)(2015CB251003)~~
【分类号】：TM21

【相似文献】