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Quasi-resonant DC-link voltage inverter with enhanced zero-voltage switching control
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| Author(s) |
Marek TURZYNSKI |
| Abstract |
A new topology modification of the parallel quasi-resonant circuit for a dc-link voltage inverter enables regulation of the zero voltage dc-link subperiods and the dc-link voltage gradient settings. The proposed circuit is based on four MOSFET switches with free-wheeling diodes for controlled quasi-resonant recharging between L-C tank in order to assure inverter zero voltage switching (ZVS) conditions. Design optimization of the prototype quasi-resonant inverter and timing sequences for common mode voltage reduction are described. Preliminary experimental results confirm precise controllability of the inverter ZVS operation. |
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| Filename: | 0541-epe2017-full-21334951.pdf |
| Filesize: | 1.782 MB |
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| Type |
Members Only |
| Date |
Last modified 2018-04-17 by System |
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