The Performance of Permanent Magnet Core of Reducing Sag Voltage in Personal Computer (PC)

International Conference on Materials Research and Innovation

Ys, H.^1 ; Simanjuntak, A.D.^1

Electrical Engineering Department, Universitas Kristen Maranatha, Bandung, Indonesia^1

关键词: Ferrite cores;    Ferrite materials;    High coercivity;    Input voltages;    Output voltages;    Permanent magnetics;    PI Controller;    Voltage factors;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/526/1/012034/pdf
DOI  :  10.1088/1757-899X/526/1/012034

来源: IOP

【 摘 要 】

The power quality has a significant effect on all system devices. The voltage factors are usually modulated caused by the excessive load changes which produce a sag voltage. One of the techniques used to reduce the voltage sag is to design a Cuk converter with PI controller coupled with two inductances (L) at the Cuk converter in order to make a non-ideal transformer with a permanent magnet core made by ferrite material. The experimental results revealed that, the non-ideal transformer with a permanent magnetic core would stabilizes the input voltage on personal computer (PC), thus the sag voltage can be minimalized. From the experiment, the optimum results were obtained with top gap was 1mm and the bottom gap was 6mm. It can be concluded that by using a ferrite core magnet with high coercivity, the output voltage can be stabilized thus there will be no sag at the input voltage on the PC.