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电子式互感器在数字化变电站的应用
引用本文:李九虎,郑玉平,古世东,须雷.电子式互感器在数字化变电站的应用[J].电力系统自动化,2007,31(7):94-98.
作者姓名:李九虎  郑玉平  古世东  须雷
作者单位:1. 南京南瑞继保电气有限公司,江苏省南京市,211100
2. 北京电力公司,北京市,100031
摘    要:电子式互感器和合并单元作为数字化变电站的重要组成部分,与传统互感器相比具有绝缘简单、动态范围宽、抗饱和性能强、占地面积小、实现数据输出等优点。文中介绍了有源和无源电子式互感器的构成,对这2种方式进行了比较,介绍了合并单元的功能及其应用,对工程应用提出了互感器配置和功能应用的实施建议。

关 键 词:电子式互感器  数字化变电站  过程层  合并单元
修稿时间:2006-10-132006-12-18

Application of Electronic Instrument Transformer in Digital Substation
LI Jiuhu,ZHENG Yuping,GU Shidong,XU Lei.Application of Electronic Instrument Transformer in Digital Substation[J].Automation of Electric Power Systems,2007,31(7):94-98.
Authors:LI Jiuhu  ZHENG Yuping  GU Shidong  XU Lei
Institution:1. Nanjing NARI-relays Electric Co Ltd, Nanjing 211100, China;2. Beijing Electric Power Company, Beijing 100031, China
Abstract:Electronic instrument transformers and merging units are important components of a digital substation. Compared with conventional instrument transformers, electronic instrument transformers have many advantages such as simplified insulation structure, wide dynamic range, excellent transient characteristic, reductions in size and weight, and digital output etc. The structures and characteristics of an active electronic transformer and a passive electronic transformer, and the function and application of a merging unit are introduced. A new opinion of how to dispose electronic transformers and merging units in a digital substation is put forward.
Keywords:electronic instrument transformer  digital substation  process level  merging unit
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