2020
DOI: 10.1007/s00502-020-00800-1
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Transiente Spannungsmodellierung in umrichtergespeisten Niederspannungsmaschinen mit Steckwicklungen

Abstract: ZusammenfassungDas Isolierstoffsystem von umrichtergespeisten elektrischen Maschinen ist transienten elektrischen Spannungen ausgesetzt. Diese entstehen aufgrund der endlichen Ausbreitungsgeschwindigkeit der Spannung sowie Induktivitäts- und Kapazitätsbelägen der Wicklung. Durch schnell schaltende Umrichter und den damit verbundenen höheren Spannungsanstiegsgeschwindigkeiten $\mathrm{d}u/\mathrm{d}t$ d u / d t wird der Einfluss der transienten Spannungen auf das Wicklungssystem weiter erhöht. Eine besondere e… Show more

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Cited by 2 publications
(2 citation statements)
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“…The high dv /dt, the discontinuous transmission line consisting of inverter, cable connection, and electric machine as well as resonance phenomena cause voltage overshoots and high frequency oscillations at the motor terminals, which stress the winding insulation with even more than the DC link voltage. Due to wave propagation effects, there is a highly nonlinear voltage distribution along the motor winding and higher potential differences between the conductors are possible [10]- [16].…”
Section: A Increasing the Switching Slew Ratementioning
confidence: 99%
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“…The high dv /dt, the discontinuous transmission line consisting of inverter, cable connection, and electric machine as well as resonance phenomena cause voltage overshoots and high frequency oscillations at the motor terminals, which stress the winding insulation with even more than the DC link voltage. Due to wave propagation effects, there is a highly nonlinear voltage distribution along the motor winding and higher potential differences between the conductors are possible [10]- [16].…”
Section: A Increasing the Switching Slew Ratementioning
confidence: 99%
“…FIGURE16. Principle of accelerated aging tests in a typical semi-logarithmic lifetime-stress diagram.…”
mentioning
confidence: 99%