An Analytical Formula for the PETT Oscillation Over a Wide Voltage Range in NPT Planar IGBT Chips

Z Dongye, J Fan, Y Xiao, T Li, L Qi… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Plasma extraction transit time (PETT) oscillation belongs to the negative resistance
oscillation, whose features vary greatly with operation conditions. Besides, these oscillation …

A Multilevel Diagnosis Method for Large Transformer Fault Modes under Multi-sensor Information Fusion

S Liu, H Yang, M Cai, Y Ye… - 2024 IEEE 2nd …, 2024 - ieeexplore.ieee.org
The conventional multi-level diagnosis method for fault mode of large transformers mainly
uses INGO (Impacted Northern Goshak Optimization) random differential perturbation to …