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AGING INVESTIGATION OF INVERTER-FED LOW VOLTAGE MOTOR WINDING INSULATION SUBJECTED TO HIGH DV/DT

Abstract : The relevance of this paper determines by oncoming implementation of wide bandgap power semiconductors as SiC in inverters feeding motors. Hence, it is indispensable to investigate the influence of intensified electric stresses on winding insulation. In this regard, comparative corona resistance tests on pulse voltage with µs-and ns-level of rise/fall time were carried out. A novel specimen form for rectangular section wires is proposed. Considerations related to aging of dielectrics subjected to high dV/dt and high frequency pulse voltage are introduced.
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https://hal.archives-ouvertes.fr/hal-02363181
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Submitted on : Thursday, November 14, 2019 - 11:49:35 AM
Last modification on : Monday, February 15, 2021 - 10:48:14 AM
Long-term archiving on: : Saturday, February 15, 2020 - 2:15:21 PM

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  • HAL Id : hal-02363181, version 1

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Veronika Bolgova, Andrey Leonov, Stéphane Lefebvre, Sami Hloui. AGING INVESTIGATION OF INVERTER-FED LOW VOLTAGE MOTOR WINDING INSULATION SUBJECTED TO HIGH DV/DT. XXVème Symposium sur les phénomènes électromagnétiques dans les circuits non linéaires (EPNC 2018), Jun 2018, Arras, France. ⟨hal-02363181⟩

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