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一、引言近年来,光纤的应用已越来越受到重视并有发展。在高电压工程方面,随着超高压输电系统的发展、电压等级的增长,对高电压测试技术就提出了更高的要求。采用光电子技术,不但能完成某些传统方法所不能实现的项目,而且还具备多种优点:高低电位之间的绝缘简便,仪器的体积小、重量轻,价格低;测量的信号在传输途中不受外界电磁感应的干扰;可提高测试精度;人员安全,设备可靠。
I. Introduction In recent years, the application of optical fiber has drawn more and more attention and development. In the field of high voltage engineering, with the development of EHV transmission system and the increase of voltage level, higher requirements for high voltage testing technology are put forward. The use of optoelectronic technology, not only to complete the project can not be achieved by some traditional methods, but also has a variety of advantages: high and low voltage insulation between the simple, small size of the instrument, light weight, low price; measured signal transmission is not By the external electromagnetic interference; can improve the test accuracy; personnel safety, equipment and reliable.