以试验研究为基础的研究高电压及其相关问题的应用技术。其内容主要涉及在高电压作用下各种绝缘介质的性能和不同类型的放电现象，高电压设备的绝缘结构设计，高电压试验和测量的设备及方法，电力系统的过电压与绝缘配合、高电压或大电流环境影响和防护措施，以及高电压、大电流的应用等。 -To test the basis of the research on the research of high voltage and related problems of the application of technology. Its content mainly involved in high voltage of insulating medium under the action of the performance and different types of discharge phenomenon, high voltage equipment insulation structure design, high voltage test and measurement equipment and methods of electric power system, overvoltage and insulation coordination, high voltage or current environmental impact and protective measures, and high voltage, large current applications.