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《Electrical Measurement & Instrumentation》 2004-07
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A quantitative analysis of the data acquisition requirements for measuring the parameters of power quality

Cao Hui1,Liu Xiaohua2,Yuan Shiying3(1. Dept.of Control Science and Engineering,HuaZhong University of Science & Technology,WuHan 430074,China;2.FoShan Power Supply Branch,GPG,Guangdong Foshan 528000,China;3.East China Jiaotong University,Nanchang 330006,China)  
Measuring the parameters of power quality takes great challenges to instruments designers.The many parameters having different characteristics call for differentand possibly contradictory on the data acquisition system.This article reviews the requirements needed for accurating measurement of parameters of power quality.It focuses on the sampling method and the digitization process.The results show that careful selection of data acquisition hardware is paramount to ensure accurate measurements.
【CateGory Index】: TM933
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