scholarly journals Comparative Study on Thyristor and Rectifier Circuit Based DC Motor Control with Improved Power Factor and Total Harmonic Distortion

2020 ◽  
Vol 9 (2) ◽  
pp. 31
Author(s):  
Salma Nazia Rahman ◽  
Tanzina Akter ◽  
Mirza Muhammad Yeamin Hossain ◽  
Md. Abdullah Al Mahmud
Keyword(s):  
Motor Control ◽  
Comparative Study ◽  
Power Factor ◽  
Harmonic Distortion ◽  
Dc Motor ◽  
Total Harmonic Distortion ◽  
Rectifier Circuit ◽  
Dc Motor Control

Study of the Influence of Control System Parameters on the Quality of the Input Current of a Three-Phase Power Factor Corrector

2021 ◽  
Vol 2 (2) ◽  
pp. 29-35
Author(s):  
Dmitry A. Sorokin ◽  
◽  
Sergey I. Volskiy ◽  
Jaroslav Dragoun ◽  
◽  
...  
Keyword(s):  
Control System ◽  
Power Factor ◽  
Harmonic Distortion ◽  
Total Harmonic Distortion ◽  
Input Current ◽  
System Operation ◽  
Error Amplifier ◽  
Three Phase ◽  
Power Factor Corrector

The paper suggests a control system of a three-phase power factor corrector. The study of the control system operation is carried out and the expressions for calculating the permissible values of error amplifier factors are obtained. The influence of the error amplifier parameters on phase current quality is investigated. The dependence of total harmonic distortion input current on a combination of error amplifier parameters is obtained at a given value of power factor. The conditions under which the total harmonic distortion input current has the minimum value are found out. This article is of interest to power electronics engineers, who are aimed at developing a three-phase power factor corrector.

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