Online junction temperature estimation method for SiC MOSFETs based on the DC bus voltage undershoot

Y Yang, Y Wu, X Ding, P Zhang - IEEE Transactions on Power …, 2023 - ieeexplore.ieee.org
Silicon carbide (SiC) power devices are promising in industrial applications. Junction
temperature monitoring is greatly significant for improving the reliability of devices and …

A high-sensitivity online junction temperature monitoring method for SiC mosfets based on the turn-on drain–source current overshoot

Q Zhang, G Lu, P Zhang - IEEE Transactions on Power …, 2022 - ieeexplore.ieee.org
Junction temperature monitoring is the basis of high reliability operation for silicon carbide
(SiC) devices, since thermal stress is the dominating aging factor. Conventional thermal …

Investigation and comparison of temperature-sensitive electrical parameters of SiC MOSFET at extremely high temperatures

X Lu, L Wang, Q Yang, F Yang, Y Gan… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Due to the excellent silicon carbide (SiC) material characteristics, SiC mosfet s can operate
at extremely high temperatures and can be used in harsh environment applications. In this …

Switching Transient Based Junction Temperature Estimation of SiC MOSFETs With Aging Compensation

M Farhadi, R Sajadi… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This article puts forward a novel online method to measure the junction temperature () of SiC
MOSFETs. In this method, the voltage spikes in the common source stray inductance are …

A Decoupled Junction Temperature and Aging Level Evaluating Method for SiC MOSFETs

Q Zhang, W Li, P Zhang - … of Emerging and Selected Topics in …, 2024 - ieeexplore.ieee.org
The junction temperature and aging levels are critical factors contributing to power device
failures. Existing methods commonly employ electrical parameters as indicators for their …

In-Situ Instrumentation for Degradation Monitoring of Power Semiconductor Devices in Power Electronics Converters

C Roy - 2023 - search.proquest.com
Modern power and energy systems rely heavily on power electronics converters. The most
significant component of these converters is the power semiconductor switching devices …

An Online Correction Method for Inaccuracy of Junction Temperature Monitoring Caused by Degradation of SiC MOSFETs

Z Zhang, L Liang, H Fei, L Han… - IEEE Journal of …, 2024 - ieeexplore.ieee.org
Online accurate junction temperature monitoring improves the reliability of power converters
throughout the lifetime of SiC MOSFETs. Without the correction, the methods based on the …

Online Converter-level Temperature Estimation for IGBTs Using Proportional Calibration Method

X Fang, P Sun, C He, B Wang - IEEE Transactions on Power …, 2024 - ieeexplore.ieee.org
In this letter, we propose a novel online converter-level junction temperature T j evaluation
method for insulated gate bipolar transistors (IGBTs) based on the common power loop …

Precise and Fast Real-Time Measurement of Junction Temperature in SiC Power MOSFETs

B Hu, J Wang, Z Ke, C Zhang, M He… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Real-time measurement of junction temperature is critical for high reliability operation of
power devices. The process of SiC MOSFETs turn-on is very short. The rising edge of the …

Correction method for calculating junction temperature considering parasitic effects in SiC MOSFETs

F Liu, M Du, J Yin, C Dong, Z Ouyang - Journal of Power Electronics, 2023 - Springer
The turn-on change rate of drain current di DS (on)/dt is an electrical parameter that is
suitable for the online monitoring of junction temperature in SiC MOSFETs. In practical …