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A quantitative comparison approach for different voltage dip characterization methods

机译:不同电压骤降表征方法的定量比较方法

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This paper presents a systematic approach to compare different methods for characterizing voltage dips in a quantitative way. A prediction error is calculated between measured and synthetic dips (reproduced from single-event characteristics for the measured dips) with respect to the way they impact the performance of a generic device. The proposed approach is illustrated by comparing seven different characterization methods and their ability to predict the minimum dc-bus voltage of a three-phase adjustable-speed drive. A generic model of such a drive is used for this. Based in this comparison it is concluded that characterization method for dips in three-phase systems should include unbalance and phase-angle jump. (C) 2016 Elsevier B.V. All rights reserved.
机译:本文提出了一种系统的方法,以定量方式比较表征电压骤降的不同方法。相对于影响常规设备性能的方式,计算了测量的和合成的下陷之间的预测误差(从测量的下陷的单事件特征中复制出来)。通过比较七种不同的表征方法及其预测三相可调速变频器的最小直流总线电压的能力来说明所提出的方法。为此使用此类驱动器的通用模型。在此比较的基础上,得出的结论是,三相系统骤降的表征方法应包括不平衡和相角跳变。 (C)2016 Elsevier B.V.保留所有权利。

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