文章基本信息

标题：Simulation Analysis of Suppression of Resonant Overcurrent by Nonlinear Components
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作者：Qiyang Xia ; Haiming Li ; Yong Wang 等
期刊名称：Journal of Computer and Communications
印刷版ISSN：2327-5219
电子版ISSN：2327-5227
出版年度：2018
卷号：06
期号：11
页码：264-275
DOI：10.4236/jcc.2018.611024
出版社：Scientific Research Publishing
摘要：For the development of distributed power supply active distribution network system, the instability of the power supply side causes the system frequency to be disturbed, and harmonics, voltage fluctuations, or ferromagnetic saturation causes resonance and other series of power quality problems; what resulting in the over-voltage and over-current can easily damage components and threaten the system's safe and stable operation. In order to solve these problems, this paper compares some harmonic detection and filtering methods, devices and methods for suppressing resonance in recent years, and combines the principle of resonance to design a nonlinear inductive circuit that can suppress resonant overcurrent according to the characteristics of nonlinear inductors. Compared with the Resistance (R) series Induct Capacitance (LC) parallel circuit composed of common inductors, the circuit described in this paper is not affected by overcurrent, and the influence of overvoltage is relatively greatly reduced. The simulate-on proves that this circuit suppresses the effects of resonant overvoltage and overcurrent.
关键词：Power Quality;Resonance;Nonlinear Inductance;Suppression of Overcurrent