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数字化电能表在数字化变电站中的应用
引用本文:冯小丽,李盼,李旭东,王军凯,刘东.数字化电能表在数字化变电站中的应用[J].电子设计工程,2012,20(7):111-113.
作者姓名:冯小丽  李盼  李旭东  王军凯  刘东
作者单位:1. 西仪集团有限责任公司,陕西西安,710082
2. 西安科技大学电气与控制工程学院,陕西西安,710054
3. 河南省登封市电业局,河南登封,452470
摘    要:数字化变电站代表了变电站自动化技术的发展方向,是多种智能化设备的集成化应用。作为数字化变电站的关键技术之一,数字化电能表的应用给数字化变电站过程层设备的智能化带来了深刻变革,也带来了诸多优点。本文在概述了数字化电能表原理的基础上,重点介绍了数字式电能表的数据采集方案以及误差分析。为真正实现数字化变电站进行了有益的探索。

关 键 词:电子式互感器  数据采集  FFT算法  误差分析  数字化变电站

Digital watt-hour meters and its application in digital substation
FENG Xiao-li,LI Pan,LI Xu-dong,WANG Jun-kai,LIU Dong.Digital watt-hour meters and its application in digital substation[J].Electronic Design Engineering,2012,20(7):111-113.
Authors:FENG Xiao-li  LI Pan  LI Xu-dong  WANG Jun-kai  LIU Dong
Affiliation:1.XIYI Group Co.,Ltd,Xi’an 710082,China;2.Electrical and control engineering institute Xi’an University of Science and Technology,Xi’an 710054,China;3.Dengfeng Power Supply Bureau,Dengfeng 452470,China)
Abstract:Digital substation represents the development direction of substation automation technology and is the integrated application of several kinds of intellige nt devices.As one of the key technologies of substation digitization,the application of Digital Watt-hour Meters bring the intelligent devices to a deep innovation in digital substation,Meanwhile,which has many advantages.On the basis of summarizing basic principles of Digital Watt-hour Meters.this paper emphatically introduces the schemes that the datas were selected in Digital Watt-hour Meters and errors were analyzed.It makes a beneficial exploration to realize digital substation.
Keywords:electronic transformers  data acquisition  FFT arithmetic  analyze error  digital substation
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