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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ahmed, H.F. Honnyong Cha Su-Han Kim Heung-Geun Kim |
| Copyright Year | 1986 |
| Abstract | Z-source inverters have become a research hotspot because of their single-stage buck-boost inversion ability, and better immunity to EMI noises. However, their boost gains are limited, because of higher component-voltage stresses and poor output power quality, which results from the tradeoff between the shoot-through interval and the modulation index. To overcome these drawbacks, a new high-voltage boost impedance-source inverter called a switched-coupled-inductor quasi-Z-source inverter (SCL-qZSI) is proposed, which integrates a switched-capacitor and a three-winding switched-coupled inductor (SCL) into a conventional qZSI. The proposed SCL-qZSI adds only one capacitor and two diodes to a classical qZSI, and even with a turns ratio of 1, it has a stronger voltage boost-inversion ability than existing high-voltage boost (q)ZSI topologies. Therefore, compared with other (q)ZSIs for the same input and output voltages, the proposed SCL-qZSI utilizes higher modulation index with lower component-voltage stresses, has better spectral performance, and has a lower input inductor current ripple and flux density swing or, alternately, it can reduce the number of turns or size of the input inductor. The size of the coupled inductor and the total number of turns required for three windings are comparable to those of a single inductor in (q)ZSIs. To validate its advantages, analytical, simulation, and experimental results are also presented. |
| Sponsorship | IEEE Power Electronics Society |
| Starting Page | 1241 |
| Ending Page | 1254 |
| Page Count | 14 |
| File Size | 1510538 |
| File Format | |
| ISSN | 08858993 |
| Volume Number | 31 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2016-01-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Inverters Stress Inductors Windings Modulation Capacitors Virtual private networks Z-source inverter Boost ability switched-coupled-inductor quasi-Z-source inverter (SCL-qZSI) switch-voltage stress |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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