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Cited by 24 publications
(41 citation statements)
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References 19 publications
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“…This suppresses the propagation of streamers due to breaking the conduction path or more energy is required to establish it. This result is in agreement with earlier reports [6,[9][10][11]. This limits the discharge process and hinders streamers from moving across the trench and increases the breakdown voltage [11,12].…”
Section: Discussionsupporting
confidence: 92%
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“…This suppresses the propagation of streamers due to breaking the conduction path or more energy is required to establish it. This result is in agreement with earlier reports [6,[9][10][11]. This limits the discharge process and hinders streamers from moving across the trench and increases the breakdown voltage [11,12].…”
Section: Discussionsupporting
confidence: 92%
“…There is no standard yet for the calibration of PD detected by PM's. The earlier reported correlation between electrical and optical PDs in point-plane geometry was relied upon for the measurements [6]. The unit used throughout in this work is a.u., meaning arbitrary unit.…”
Section: Pd Detection Systemmentioning
confidence: 99%
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“…It has been known that repetitive voltage impulses generated as PWM-stress can lead to insulation premature failure of stator winding due to partial discharges in inverter-fed motors [12,13]. About IGBTs the studies in [14,15] show that PD behavior under 50 Hz or 60 Hz AC sinusoidal voltage is different from that for fast rise bipolar high-frequency square wave voltages. In this regard, for example for the test sample in [14] while partial discharge inception voltage (PDIV) under 50 Hz sinusoidal test voltage is 13 kV, for a bipolar square voltage with rising time of about 400 μs, fast rise positive unipolar square and fast rise negative unipolar square both with rise time of about 100 ns it is 12, 9 and 7 kV, respectively.…”
Section: International Standards On Pd Tests On Power Electronics Devmentioning
confidence: 99%
“…About IGBTs the studies in [14,15] show that PD behavior under 50 Hz or 60 Hz AC sinusoidal voltage is different from that for fast rise bipolar high-frequency square wave voltages. In this regard, for example for the test sample in [14] while partial discharge inception voltage (PDIV) under 50 Hz sinusoidal test voltage is 13 kV, for a bipolar square voltage with rising time of about 400 μs, fast rise positive unipolar square and fast rise negative unipolar square both with rise time of about 100 ns it is 12, 9 and 7 kV, respectively. Moreover, the rate of increase in the PD magnitude concerning voltage is higher for steeper voltage rise [14].…”
Section: International Standards On Pd Tests On Power Electronics Devmentioning
confidence: 99%