Journal of Computer and Communications

Volume 6, Issue 11 (November 2018)

ISSN Print: 2327-5219   ISSN Online: 2327-5227

Google-based Impact Factor: 1.34  Citations  

Simulation Analysis of Suppression of Resonant Overcurrent by Nonlinear Components

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DOI: 10.4236/jcc.2018.611024    366 Downloads   585 Views  

ABSTRACT

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.

Share and Cite:

Xia, Q. , Li, H. and Wang, Y. (2018) Simulation Analysis of Suppression of Resonant Overcurrent by Nonlinear Components. Journal of Computer and Communications, 6, 264-275. doi: 10.4236/jcc.2018.611024.

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