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- Title
A mode‐reduction space vector pulse width modulation control method to VIENNA rectifier yet eliminating input current distortions.
- Authors
Li, Zhizhong; Zhang, Yuandong; Wang, Minghao; Zhang, Guidong; Lin, Jiaqing
- Abstract
The VIENNA rectifier is of high reliability, high power density, and low complexity, which has been widely applied in telecommunication systems. However, it has 25 switching states complicating the control design. Besides, it is easy for the VIENNA rectifier to distort the input currents at zero‐crossing points, which will degrade the grid power quality. To address these problems, a novel mode‐reduction space vector pulse width modulation (SVPWM) control method is proposed in this paper. By analyzing the switching states of the VIENNA rectifier, 3‐mode, 6‐mode, and 18‐mode control framework are compared, and it is found that the 18‐mode has advanced features. Specifically, the proposed 18‐mode control algorithm will have fewer calculation steps and a simpler processing flow. More importantly, it can eliminate the input current distortions for power quality improvement. A 4 kW hardware prototype of the VIENNA rectifier is developed, and experiments have been performed to verify the harmonic reduction feature of the proposed 18‐mode control.
- Subjects
VIENNA (Austria); PULSE width modulation; ELECTRIC current rectifiers; VECTOR spaces; TELECOMMUNICATION systems; POWER density; ELECTRIC power distribution grids
- Publication
International Journal of Circuit Theory & Applications, 2022, Vol 50, Issue 12, p4307
- ISSN
0098-9886
- Publication type
Article
- DOI
10.1002/cta.3412