Power electronic converters in electric aircraft: Current status, challenges, and emerging technologies

L Dorn-Gomba, J Ramoul, J Reimers… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
The electric revolution is underway in the transportation sector, and the aviation industry is
poised to embrace fundamental disruption. Moving to electric aircraft brings undeniable …

Altitude readiness of high-voltage IGBTs subjected to the partial discharge at harsh environmental conditions for hybrid electric aircraft propulsion

T Shahsavarian, D Zhang, P McGinnis… - … on Power Electronics, 2021 - ieeexplore.ieee.org
The reliability of the insulation of commercially used high-voltage insulated gate bipolar
transistor (IGBT) subjected to untimely initiation of partial discharge (PD) at low pressures …

Partial discharges in ceramic substrates-correlation of electric field strength simulations with phase resolved partial discharge measurements

CF Bayer, U Waltrich, A Soueidan, E Baer… - Transactions of The …, 2016 - jstage.jst.go.jp
High voltages and the edges of the metallization on ceramic substrates (AMB, DBA, DBC,
HTCC, LTCC) lead to high electric field strengths. In the vicinity of the metal edges these …

Partial Discharges and Electroluminescence Measurements on Power Electronic Substrates Embeded in Liquids

C Dorji, O Lesaint, R Hanna… - 2023 IEEE 22nd …, 2023 - ieeexplore.ieee.org
This paper presents an experimental study of partial discharges (PD) and
electroluminescence properties of dielectric liquids (dibenzyltoluene & silicone oil) …

Enhancing partial discharge inception voltage of DBCs by geometrical variations based on simulations of the electric field strength

CF Bayer, U Waltrich, R Schneider… - CIPS 2016; 9th …, 2016 - ieeexplore.ieee.org
As a consequence of higher voltages in power modules the partial discharge (PD) has to be
studied more closely for the electrical insulation such as direct bonded copper (DBC) …

Enhancement of the partial discharge inception voltage of DBCs by adjusting the permittivity of the encapsulation

CF Bayer, U Waltrich, A Soueidan… - CIPS 2016; 9th …, 2016 - ieeexplore.ieee.org
Partial discharge (PD) is a key degradation mechanism of insulating materials such as
ceramics in power modules. Among others, this is due to high voltages under operation of …

Use of partial discharge patterns to assess the quality of sample/electrode contacts in flash sintering

JF Fagnard, C Gajdowski, L Boilet, F Henrotte… - Journal of the European …, 2021 - Elsevier
In a flash sintering process, a straightforward way to control the current uniformity through
the sample is contacting the sample to the electrodes with platinum paste. This method is …

Electrical tree failure at DBC substrate-silicone gel interface in high-voltage power module under positive square wave voltage

B Zhang, Z Yang, K Li, X Jiang… - IEEE Journal of …, 2024 - ieeexplore.ieee.org
The development of high-voltage high power density electronic devices has brought forward
new requirements for the insulation reliability of encapsulation. The growth of electrical trees …

Use of partial discharges measurements and video recordings to investigate the influence of relative humidity on zinc oxide subjected to high electric fields

JF Fagnard, L Boilet, JP Erauw… - Journal of Physics D …, 2023 - iopscience.iop.org
This study investigates the influence of humidity on the high voltage behaviour of zinc oxide
porous pellets at room temperature, using the phase resolved partial discharge (PRPD) …

多能变换装备功率模块封装绝缘的“胶–固” 沿面放电演化过程研究

王健, 闫豪生, 陈晨, 王伟, 李志辉, 邹亮… - 中国电机工程 …, 2023 - epjournal.csee.org.cn
多能变换装备功率模块易在有机硅凝胶和陶瓷基板界面形成沿面放电. 该文对高频电应力下胶–
固绝缘放电特性, 气泡流注发展过程和陶瓷基板损伤特性进行研究, 并基于有机硅凝胶的固 …