traveling wave piezoelectric transformer for multi-level insulated gate-driver power supply
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| Date | 2019 |
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| Auteurs | Martinez,- T | Labrousse,- D | Pillonnet,- G | Vasic,- D | Costa,- F | |
| Source | International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, PCIM Europe 2019 | |
| Résumé | The traveling-wave piezoelectric transformer (TWPT) is a new topology of piezoelectric transformer providing a multi-phases system of voltages at its output. The inherent galvanic insulation of piezoelectric transformers makes them particularly suitable for insulated gate-drive power supply applications. In this paper, we use the TWPT with several phases to generate the different insulated voltage rails required for the driving of a multi-level inverter leg. The insulated gate driver power supply including the TWPT is presented and experiments are performed to drive the power MOSFETs of a half-bridge. The TWPT and the circuit associated generates a bipolar voltage level +15 V/-15 V up to 500 kHz switching frequency. © VDE VERLAG GMBH · Berlin · Offenbach. |
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