配电网谐波抑制的节能分析

Kelin Deng, Junwei Cao, Peng Guo, Xingtao Xu
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引用次数: 8

摘要

电力系统中的谐波不仅会降低配电网和电气设备的工作效率从而引起故障,缩短电网的使用寿命,而且会增加系统损耗,降低功率因数和用电利用效率,造成更大的经济损失。本文通过分析电力系统中谐波的产生机理,以及谐波对各种电气元件的影响,发现谐波抑制在理论上具有一定的节能效果,最后通过实例验证,当用于谐波抑制的成本低于节省的电费时,消除谐波将改善电能质量,同时获得一定的经济效益。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Energy Saving Analysis of Harmonic Suppression in a Distribution Network
Harmonic in power systems would not only reduce the work efficiency of a distribution network and electrical equipments so as to cause faults, shorten service life of the network, but also increase the system loss, reduce the power factor and efficiency of electric consumption utilization, and cause greater economic loss. In this paper, through the analysis of generation mechanism of harmonic in power systems, and the effect of harmonic on a variety of electrical components, found that harmonic suppression has a certain energy-saving efficiency theoretically, finally, verified through an example when cost used for harmonic suppression is lower than electric fee saved, eliminating harmonics would improve the power quality, and at the same time obtain certain economic benefits.
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