Accelerated aging test for gate-oxide degradation in SiC MOSFETs for condition monitoring

SI Hayashi, K Wada - Microelectronics Reliability, 2020 - Elsevier
In this paper, a method for the condition monitoring of the gate-oxide degradation in silicon
carbide (SiC) metal-oxide-semiconductor–field-effect transistors (MOSFETs) is presented …

A Transient Modeling-Based Grey-Box Method for Online Monitoring of DC-Link Capacitors

Z Zhao, H Hu, Z He, W Lu, HHC Iu… - … on Power Electronics, 2023 - ieeexplore.ieee.org
This article proposes a suitable grey-box method for online monitoring of dc-link capacitors.
It is found that the transient behavior of dc-link voltage in ac/dc and dc/dc converters is …

Current-Sensor-Less Condition Monitoring of a DC-Link Capacitor Based on Analysis of a Six-Pulse Diode Rectifier Having AC and DC inductors

K Hasegawa, Y Hirose - IEEE Transactions on Industry …, 2024 - ieeexplore.ieee.org
Condition monitoring plays an important role in improving reliability of power electronic
converters including their dc-link capacitors because it contributes to predicting converter …

VI curve based condition monitoring system for power devices

M Tsukuda, L Guan, K Watanabe… - … Devices and ICs …, 2020 - ieeexplore.ieee.org
According to gaining importance of power electronics systems in the society, reliability
issues of power semiconductor devices are the constrains on availability of the system …

Online Cell Capacitance and ESR Monitoring Using Switching Frequency in a Modular Multilevel Converter

T Yasuda, K Hasegawa, J Itoh - IEEJ Journal of Industry Applications, 2023 - jstage.jst.go.jp
A cell capacitor is one of the most fragile components in a modular multilevel converter
(MMC). Capacitance decreases and equivalent series resistance (ESR) increases, as the …

Current-Sensor-Less Condition Monitoring of a DC-Link Capacitor in a PWM Inverter With a Six-Pulse Diode Rectifier

K Hasegawa, T Kubo, Y Hirose - IEEJ Journal of Industry …, 2023 - jstage.jst.go.jp
Condition monitoring helps improve the reliability of power electronic converters including
their dc-link capacitors because it can predict converter failure and degradation. In practice …

Condition monitoring of a dc-link capacitor used in a pwm inverter with a six-pulse diode rectifier without current sensors

K Hasegawa, T Kubo, Y Hirose - 2022 International Power …, 2022 - ieeexplore.ieee.org
Condition monitoring plays an important role in improving reliability of power electronic
converters including their dc-link capacitors because it contributes to predicting converter …

Expand output voltage range of ac/ac converter using reversible indirect matrix converter (r-imc)

K Okuzono, S Tomita, H Haga - 2019 IEEE Energy Conversion …, 2019 - ieeexplore.ieee.org
This paper proposes an AC/AC power converter that expands the output voltage range. The
proposed circuit has two operation modes. One is a step-down mode that supplies the …

[PDF][PDF] Monitoring Function for Gate Oxide Degradation to Improve Reliability of SiC MOSFETs Implemented in Power Conversion Circuits

SI Hayashi - (No Title), 2022 - tokyo-metro-u.repo.nii.ac.jp
In October 2020, the Japanese government declared its goal of realizing a carbonneutral,
decarbonized society by 2050 [1]. Subsequently, the “Green Growth Strategy” was …

Monitoring Function for Gate Oxide Degradation to Improve Reliability of SiC MOSFETs Implemented in Power Conversion Circuits

ハヤシシンイチロウ, 林真一郎 - tokyo-metro-u.repo.nii.ac.jp
In October 2020, the Japanese government declared its goal of realizing a carbonneutral,
decarbonized society by 2050 [1]. Subsequently, the “Green Growth Strategy” was …