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EnglishThe objective of this work is to present a control technique for power converters capable of slowing down the electrical ageing phenomena affecting the winding insulation of high-speed electrical machines. Such machines are profitably used in aeronautical or electric vehicle applications since they allow a drastic reduction of encumbrance and weight. Obviously, these machines require high-frequency supply voltage and hence converters based on wide band gap devices are the most suitable. Notwithstanding, issues related to high-frequency operation of SiC or GaN MOSFETs are continuously arising, such as the increased electrical stress of the winding insulation due to more severe over-voltages at the motor terminals. These downsides represent a major concern for some applications where system reliability is of the utmost importance like in the aeronautical or automotive fields. This paper provides a detailed description of the proposed control technique and shows the relevant advantages through simulation and experimental results. © 2018 IEEE.
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| Titolo: | Active Ageing Control of Winding Insulation in High Frequency Electric Drives | |
| Autori: | ZANCHETTA, PERICLE (Corresponding) | |
| Data di pubblicazione: | 2018 | |
| Abstract: | The objective of this work is to present a control technique for power converters capable of slowing down the electrical ageing phenomena affecting the winding insulation of high-speed electrical machines. Such machines are profitably used in aeronautical or electric vehicle applications since they allow a drastic reduction of encumbrance and weight. Obviously, these machines require high-frequency supply voltage and hence converters based on wide band gap devices are the most suitable. Notwithstanding, issues related to high-frequency operation of SiC or GaN MOSFETs are continuously arising, such as the increased electrical stress of the winding insulation due to more severe over-voltages at the motor terminals. These downsides represent a major concern for some applications where system reliability is of the utmost importance like in the aeronautical or automotive fields. This paper provides a detailed description of the proposed control technique and shows the relevant advantages through simulation and experimental results. © 2018 IEEE. | |
| Handle: | http://hdl.handle.net/11571/1372866 | |
| ISBN: | 9781479973118 | |
| Appare nelle tipologie: | 4.1 Contributo in Atti di convegno |
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