Jet-Dispensing-Based Assembly of Electric Field Adaptively Controlled Structure in Power Electronic Modules
Source abstract
Abstract
In power modules, partial discharge at the triple points of “Copper-Ceramic-Silicone Gel” poses a significant challenge to the development of higher voltage and power density. This paper utilized a reliable and controllable method, jet dispensing, to assemble the electric field adaptively controlled structure in power electronic modules to optimize the electric field distribution. The structure was composed of ZnO/epoxy resin nonlinear conductivity composites, with the thickness controlled at 300 ± 50 μm. The assembled electric field adaptively controlled structure significantly enhanced the Partial Discharge Inception Voltage (PDIV) of the module from 6.0 kV to 13.2 kV, with a 120.0% increase under the sinusoidal waves, and from 4.0 kV to 9.6 kV under positive polarity square-wave pulses, with an increase ratio of 140.0%. This paper provides a new perspective on the application of nonlinear materials in power electronic modules.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Surface Roughness and Optical Measurements
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Electrical Engineering, State Key Laboratory of Power System, Tsinghua University, Beijing, China
College of Electronic and Information Engineering and Shanghai Institute of Intelligent Science and Technology, Tongji University, Shanghai, China
Funding
National Natural Science Foundation of China · State Key Laboratory of Power System Operation and Control · Young Elite Scientist Sponsorship Program by CAST · Shanghai Sailing Program
References (52)
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