High boost transformer‐based Z‐source inverter under continuous input current profile. Issue 14 (10th October 2019)

• Record Type: Journal Article
• Authors: Kojabadi, Hossein Madadi; Ebrahimi, Reza; Esmaeilifard, Hossein; Chang, Liuchen; Chen, Zhe; Blaabjerg, Frede
• Is Part Of: IET power electronics. Volume 12:Issue 14(2019)
• Page Start: 3716
• Page End: 3723
• Publication Date: 2019-10-10
• Subjects: invertors -- inductors -- harmonic distortion -- transformers; trans‐z‐source topologies -- voltage boost factor -- high boost transformer‐based Z‐source inverter -- continuous input current profile -- high boost trans‐z‐source inverter -- high boosting capability -- higher modulation index -- improved total harmonic distortion -- output voltage -- shoot‐through duty ratio; Power electronics -- Periodicals; 621.31705
• DOI: 10.1049/iet-pel.2019.0366
• Languages: English
• ISSNs: 1755-4535

Abstract

Abstract : A new scheme for high boost trans‐z‐source inverter with continuous input current is proposed. Because of the high boosting capability of the proposed inverter, the modulation index will be higher with lower shoot‐through duty ratio. Higher modulation index will lead to improved total harmonic distortion of the output voltage. This topology has one inductor, three diodes, two transformers, and three capacitors. Comparison between the new schemes with the previously proposed trans‐z‐source topologies is made based on the voltage stresses on capacitors, efficiency, and voltage boost factor. To verify the effectiveness and validity of the new inverter, experimental and simulation results are provided.