Space Charge Redistribution in Epoxy Mold Compounds of High-Voltage ICs at Dry and Wet Conditions: Theory and Experiment

Woojin Ahn,Muhammad Ashraful Alam,Davide Cornigli,Susanna Reggiani,Dhanoop Varghese,Srikanth Krishnan

IEEE Transactions on Dielectrics and Electrical Insulation（2021）

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摘要

Space charge profile plays an important role in defining the charge transport and breakdown field of an insulator. Non-destructive experimental techniques (e.g., PEA measurement) have recently been used to track in-situ the time-evolution of space charge profiles within complex insulators, such as epoxy mold compounds. Unfortunately, the published results are often inconsistent (both positive and ...

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关键词

molding compounds,space charge,compact analytical modeling,finite element simulation,PEA measurement,DC conductivity measurement,water

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