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http://dx.doi.org/10.5573/ieie.2017.54.8.107

Power Factor Compensation System based on Voltage-controlled Method for 3-phase 4-wire Power System  

Park, Chul-woo (Kyungpook National University Medical Device and Robot Institute of Park)
Lee, Hyun-woo (Kyungpook National University Medical Device and Robot Institute of Park)
Park, Young-kyun (Kyungpook National University Medical Device and Robot Institute of Park)
Joung, Sanghyun (Kyungpook National University Medical Device and Robot Institute of Park)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.54, no.8, 2017 , pp. 107-114 More about this Journal
Abstract
In this paper, a novel power factor compensation system based on voltage-controlled method is proposed for 3-phase 4-wire power system. The proposed voltage-controlled power factor compensation system generates a reactive power required for compensation by applying a variable output voltage by a slidac to a capacitor. In conventional power factor compensation system using the capacitor bank method, the power factor compensation error occurs depending on the load condition due to the limited capacity of the capacitors. However, the proposed system compensates the power factor up to 100% without error. In this paper, we have developed a voltage-controlled power factor compensation system and a control algorithm for 3-phase 4-wire power system, and verify its performance through simulation and experiments. If the proposed power factor compensation system is applied to an industrial field, a power factor compensation performance can be maximized. As a result, it is possible to reduce of electricity prices, reduce of line loss, increase of load capacity, ensure the transmission margin capacity, and reduce the amount of power generation.
Keywords
Power factor; Power factor compensation method; Voltage-controlled method; Energy efficiency;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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