以节能为目的的谐波电流减少评估-一个案例研究

Proceedings of 14th International Conference on Harmonics and Quality of Power - ICHQP 2010 Pub Date : 2010-11-09 DOI:10.1109/ICHQP.2010.5625361

J. Sanguinetti, Y. Baghzouz

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引用次数: 3

摘要

本文评估了在含有大量电子负载的建筑物中通过在中性点路径放置无源滤波器来减少三次谐波电流造成的功率损耗的方法。初始功率损耗是通过测量相导体和中性导体的电流以及了解这些导体和为设施服务的变压器的电阻来获得的。PSpice进行了模拟，以确定最合适的RL-C滤波器，以尽量减少这种损失。由于配电回路中已有的加固，发现损失并不那么大。讨论了滤波器放置对电压畸变和电容与变压器漏感共振的影响。

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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Evaluation of harmonic current reduction for the purpose of energy savings — A case study

This article evaluates the method of reducing power loss due to 3rd harmonic currents in a building that contains a significant level of electronic loads, by placing a passive filter in the neutral path. The initial power loss is obtained through current measurements in the phase and neutral conductors and knowledge of the resistance of these conductors and that of the transformer serving the facility. PSpice simulations are performed to determine the most suitable RL-C filter to minimize this loss. The losses are found to be not that significant due to existing reinforcements in the distribution circuit. The effect of filter placement on voltage distortion and capacitor resonance with the transformer leakage inductance are addressed.

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Proceedings of 14th International Conference on Harmonics and Quality of Power - ICHQP 2010

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