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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Rahnamaee, A. Mazumder, S.K. |
| Copyright Year | 1986 |
| Abstract | A soft-switched hybrid-modulation (HM) scheme is outlined for a dc-link-capacitor-less three-phase high-frequency (HF) pulsating-dc link (PDCL) isolated multistage inverter. The overall inverter comprises a front-end isolated dc/pulsating-dc converter followed by a pulsating-dc/ac converter. Because the two stages are directly connected without a dc-link capacitor, the intermediate link is a PDCL instead of a fixed-dc link as in conventional HF-link inverters. The HM modulates the pulsating-dc/ac converter such that, two of its converter legs are line-switched, while the third leg of the pulsating-dc/ac converter is switched under zero-voltage-switching condition. This is achieved by first modulating the dc/pulsating-dc converter to achieve a specific encoding of the PDCL signal, which in turn, is exploited by the modulation scheme of the pulsating-dc/ac converter to mitigate its switching loss without requiring any auxiliary circuit. Operation of the pulsating-dc/ac converter using the soft-switched HM scheme is validated using a prototype 1 kW, 72-V (dc)/208-V (ac) HF inverter. |
| Sponsorship | IEEE Power Electronics Society |
| Starting Page | 3893 |
| Ending Page | 3906 |
| Page Count | 14 |
| File Size | 2604243 |
| File Format | |
| ISSN | 08858993 |
| Volume Number | 29 |
| Issue Number | 8 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-01-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | three phase Capacitor-less high-frequency (HF) link hybrid modulation inverter pulsating-dc link (PDCL) soft switching |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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