500kV电子式互感器工程应用研究  

Research of 500 kV Electronic Instrument Transformer in Engineering Application

作　　者：杨武志[1] 潘济猛[1] 

机构地区：[1]中国南方电网超高压输电公司柳州局,广西柳州545006

出　　处：《南方电网技术》2011年第6期110-113,共4页Southern Power System Technology

摘　　要：基于500 kV数字化试点的建设实践及相关的动模试验对电子式互感器在工程应用进行了研究,结果显示:500 kV电子式互感器的绝缘和采样精度均可满足工程应用要求;与传统互感器相比,电子式互感器的采样精度较高,稳定性好。指出电子式互感器工程实际中存在的若干问题,并给出了解决方案。Based on the construction practice of 500 kV digital test unit and the dynamic simulation test,this paper researched the application of electronic transformer in engineering. The conclusion： both insulation and sample accuracy of 500 kV electronic instrument transformers fulfill the engineering demands. Compared with conventional transformers, electronic instrument transformers have relatively higher sample accuracy and better stability. A number of issues existing in the practices of electronic transformer engineering is proposed, and the solutions are given accordingly.

关 键 词：电子式互感器 工程应用 数字化采样间隔 

分 类 号：TM45[电气工程—电器]