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http://dx.doi.org/10.13067/JKIECS.2021.16.1.45

A Study on the D-Q Control based Output Voltage Control Algorithm and EMTP-RV Simulation of Three-phase 6-Pulse PWM Rectifier  

Ko, Yun-Seok (Dept. of Electronic Engineering, Namseoul University)
Publication Information
The Journal of the Korea institute of electronic communication sciences / v.16, no.1, 2021 , pp. 45-52 More about this Journal
Abstract
The space vector control based voltage control method for a three-phase PWM rectifier requires a lot of effort to design an optimal switching pattern since a switching pattern for the switching section must be designed. In this study, a D-Q control based SPWM output voltage control algorithm was studied for the three-phase six-pulse CVS type rectifier. In the output voltage control algorithm, three-phase reference signals are obtained from the D-Q transformation based on the space vector representation method, instead of the switching pattern, SPWM method is used to generate rectifier switching control signals. Next, a three-phase six-pulse CVS PWM rectifier based on D-Q transformation and SPWM was modeled using EMTP-RV. Finally, the validity of the D-Q control-based SPWM voltage control algorithm was confirmed by comparing the output voltage waveform obtained through EMTP-RV simulation works with a reference value and confirming that the output voltage accurately follows the reference voltage.
Keywords
AC-DC Converter; Three-phase 6 Pulses Rectifier; Output Voltage Control; SPWM Control Algorithm;
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