Active thermal control of GaN-based DC/DC converter

PK Prasobhu, V Raveendran… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
The new packaging technologies used for gallium nitride (GaN) devices avoid wire bonds
and leads in order to completely utilize their switching performance. This also means that …

Thermal stresses relief carrier-based PWM strategy for single-phase multilevel inverters

M Aly, EM Ahmed, M Shoyama - IEEE Transactions on Power …, 2017 - ieeexplore.ieee.org
Enhancing power cycling capability of power semiconductor devices is highly demanded in
order to increase the long-term reliability of multilevel inverters. Ageing of power switches …

A novel thermal management method for enhancing the consistency of IGBT heat stress in converter

Y Yang, Y Wu, X Ding, P Zhang - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The reliability of power electronic devices and converters is closely related to thermal stress.
However, the research on insulated gate bipolar transistor (IGBT) heat balance in the …

A loss redistribution technique for the power devices in the NPC converter by PWM zero-sequence injection

J Zhou, S Shie, P Cheng - IEEE Transactions on Power …, 2020 - ieeexplore.ieee.org
The neutral-point-clamped (NPC) converter suffers from uneven power loss distribution
among semiconductor devices under the conventional modulation technique, which …

Active thermal control of a DC/DC GaN-based converter

PK Prasobhu, V Raveendran… - 2017 IEEE Applied …, 2017 - ieeexplore.ieee.org
Advanced packaging technologies in Wide band gap devices like GaN avoid wire bonds
thereby making the solder joints more susceptible to thermo-mechanical fatigue. To limit the …

Power cycling lifetime improvement of three-level NPC inverters with an improved DPWM method

J He, L Wei, NAO Demerdash - 2016 IEEE Applied Power …, 2016 - ieeexplore.ieee.org
This paper investigates the power cycling lifetime of a three-phase three-level neutral-point-
clamped (NPC) inverter used in a 50-kVA adjustable speed drive (ASD). Considering the …

Developing new lifetime prolongation SVM algorithm for multilevel inverters with thermally aged power devices

M Aly, EM Ahmed, M Shoyama - IET Power Electronics, 2017 - Wiley Online Library
Research concerns have grown towards precede diagnosis and prognosis of faults in power
converters that result from thermal overheating problems of semiconductor devices. These …

A comprehensive modulation strategy for the neutral-point clamped wind power converter thermal management during low-voltage ride through

J Zhou, Y Shen, P Cheng - IEEE Transactions on Industry …, 2020 - ieeexplore.ieee.org
The temperature fluctuations in the semiconductor devices within neutral-point clamped
(NPC) wind power converter during low-voltage ride-through operation would reduce the …

Novel junction temperature optimized operation of dual active bridge converter using extended-phase-shift modulation featuring SiC MOSFETs

YV Pushpalatha, D Peftitsis - 2022 IEEE Energy Conversion …, 2022 - ieeexplore.ieee.org
This paper presents the operation of a dual active bridge (DAB) converter using extended-
phase-shift (EPS) modulation with a focus on controlling the junction temperatures of the 1.2 …

A modulation optimization‐based active thermal control method for H‐bridge rectifiers

W Chen, S Chen, H Qiu, H Cheng - IET Power Electronics, 2021 - Wiley Online Library
As one of the most widely adopted topologies in power electronics, the H‐bridge circuit has
been used for numerous kinds of power converters. With the emphasis on reliability and …