A review of megahertz current sensors for megahertz power converters

Z Xin, H Li, Q Liu, PC Loh - IEEE Transactions on Power …, 2021 - ieeexplore.ieee.org
Within a power converter, multiple currents are usually measured for control, protection,
and/or monitoring. They are therefore important sources of information, which must …

A review of traditional helical to recent miniaturized printed circuit board Rogowski coils for power-electronic applications

Y Shi, Z Xin, PC Loh, F Blaabjerg - IEEE Transactions on Power …, 2020 - ieeexplore.ieee.org
Latest wide-bandgap power devices are switching progressively faster compared with
existing silicon devices. Their accurate current measurements for either control or protection …

New figure-of-merit combining semiconductor and multi-level converter properties

JA Anderson, G Zulauf, JW Kolar… - IEEE Open Journal of …, 2020 - ieeexplore.ieee.org
Figures-of-Merit (FOMs) are widely-used to compare power semiconductor materials and
devices and to motivate research and development of new technology nodes. These …

Two-stage 48-V VRM with intermediate bus voltage optimization for data centers

MH Ahmed, FC Lee, Q Li - … of Emerging and Selected Topics in …, 2020 - ieeexplore.ieee.org
In this article, a high-efficiency and power-density unregulated inductor-inductor-capacitor
(LLC) converter (DCX) is proposed for a first-stage converter in a two-stage 48-V voltage …

Design of ultracompact gate driver integrated with current sensor and commutation path for a 211-kW three-level SiC aircraft propulsion inverter

X Zhao, R Phukan, CW Chang… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
The aviation industry is increasingly interested in high-efficiency and high-density electric
propulsion systems enabled by high-power silicon carbide (SiC) modules. However …

A compact double-sided cooling 650V/30A GaN power module with low parasitic parameters

B Li, X Yang, K Wang, H Zhu, L Wang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Compared with silicon and silicon carbide devices, the unique electrical and structural
characteristics of gallium nitride high electron mobility transistors (GaN HEMTs) make them …

High-Bandwidth Combinational Rogowski Coil for SiC MOSFET Power Module

W Zhang, SB Sohid, F Wang, H Cui… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Existing current sensors suffer from insufficient measurement bandwidth or large insertion
area to faithfully capture the continuous switching transient current of wide-bandgap …

Beyond 50 MHz bandwidth extension of commercial DC-current measurement sensors with ultra-compact PCB-integrated pickup coils

PS Niklaus, D Bortis, JW Kolar - IEEE Transactions on Industry …, 2022 - ieeexplore.ieee.org
The control of very high switching frequency power electronic converter systems featuring
latest generation wide bandgap devices requires current measurements with a very high …

Inaccurate switching loss measurement of SiC MOSFET caused by probes: Modelization, characterization, and validation

Z Zeng, J Wang, L Wang, Y Yu… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
SiC metal-oxide-semiconductor field-effect transistor (MOSFET) has a fast switching speed
and high slew rate. However, its ultrashort switching time approximates the rise time and …

Ultrafast protection of discrete SiC MOSFETs with PCB coil-based current sensors

A Rafiq, S Pramanick - IEEE Transactions on Power Electronics, 2022 - ieeexplore.ieee.org
Silicon carbide (SiC) mosfet s offer significant advantages in terms of improved efficiency
and reduced size of power electronic converters. However, they possess lesser short-circuit …