谐波和系统固有频率

IEEE-IAS/PCA 2001 Cement Industry Technical Conference. Conference Record (Cat. No.01CH37150) Pub Date : 2001-04-29 DOI:10.1109/CITCON.2001.934098

Yousin Tang, A. Wu

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引用次数: 11

摘要

配电系统中的高谐波含量通常是由于系统谐振在谐波频率。本文用精确的计算机模型研究了系统在不同运行条件下的谐波共振相关问题。考察了三种谐波消减方法的有效性。这些方法是安装谐波滤波器，通过/spl Delta///spl Delta/和/spl Delta//Y变压器配置谐波消除，以及调整低压电容器的尺寸。为了演示这些应用，给出了一个实际的工业配电系统的现场谐波测量。最后给出了案例分析的结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Harmonics and system natural frequencies

High harmonic contents in power distribution systems are usually due to system resonances at harmonic frequencies. This paper investigates harmonic resonance related problems under various system operating conditions using an accurate computer model. Three harmonic reduction methods are examined to observe their effectiveness. These methods are installation of harmonic filters, harmonic cancellation by the /spl Delta///spl Delta/ and /spl Delta//Y transformer configuration, and low voltage capacitor resizing. To demonstrate these applications, an actual industrial distribution system with field harmonic measurements is presented. The results of the case study are also presented.

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IEEE-IAS/PCA 2001 Cement Industry Technical Conference. Conference Record (Cat. No.01CH37150)

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