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- W2393690458 abstract "Three-phase unit power factor voltage source rectifier(VSR) with double PI loop sinusoidal pulse width modulation (SPWM) control method is likely to occur inrush current during the start-up process.Even with the control method of feed forward decoupling,the inrush current also achieve twice of rated current,increasing allowances of IGBT and the cost of VSR.This paper analyzes the time domain response of active current and reactive current during the start-up process,points out the reason of the inrush current caused by lower DC voltage leads to PI controller saturation. It is unable to restrain starting current effectively only by improving PI controller.To restrain the starting current further,this paper gives two suppression methods,one is to add start-up resistance and the other is to inject the zero sequence components into modulating wave,including design formulas of start-up resistance.The experimental results verify that the two methods can effectively restrain starting current less than 1.2 times of rating current,reduce the cost of VSR and enhance equipment operation safety." @default.
- W2393690458 created "2016-06-24" @default.
- W2393690458 creator A5086010946 @default.
- W2393690458 date "2013-01-01" @default.
- W2393690458 modified "2023-09-23" @default.
- W2393690458 title "Analysis of Starting Inrush Current of Three-phase Unity Power Factor VSR and Its Suppression" @default.
- W2393690458 hasPublicationYear "2013" @default.
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