| Title |
Current Quality Improvement for a Vienna Rectifier with High-Switching Frequency |
| Authors |
Songhee Yang ; Jin-Hyuk Park ; Kyo-Beum Lee |
| DOI |
https://doi.org/10.6113/TKPE/2017.22.2.181 |
| Keywords |
Vienna rectifier ; MOSFET switching characteristic ; Turn-off delay time ; High-switching frequency |
| Abstract |
This study analyzes the turn-on and turn-off transients of a metal-oxide-semiconductor field-effect transistor (MOSFET) with high-switching frequency systems. In these systems, the voltage distortion becomes serious at the output terminal of a Vienna rectifier by the turn-off delay of the MOSFET. The current has low-order harmonics through this voltage distortion. This paper describes the transient of the turn-off that causes the voltage distortion. The algorithm for reducing the sixth harmonic using a proportional-resonance controller is proposed to improve the current distortion without complex calculation for compensation. The reduction of the current distortion by high-switching frequency is verified by experiment with the 2.5-kW prototype Vienna rectifier. |