Review of solid-state transformer applications on electric vehicle DC ultra-fast charging station

S Valedsaravi, A El Aroudi, L Martínez-Salamero - Energies, 2022 - mdpi.com
The emergence of DC fast chargers for electric vehicle batteries (EVBs) has prompted the
design of ad-hoc microgrids (MGs), in which the use of a solid-state transformer (SST) …

Gate drivers for medium-voltage SiC devices

A Anurag, S Acharya, N Kolli… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
Extensive research in wide-bandgap material technology such as silicon carbide (SiC) has
led to the development of medium-voltage (MV) power semiconductor devices with blocking …

Asymmetric topology design and quasi-zero-loss switching composite modulation for IGCT-based high-capacity DC transformer

F An, B Zhao, B Cui, Y Ma, X Zhang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Medium-voltage large-capacity dc transformer (DCT) is the key energy conversion link for
building intelligent distribution grid. Increasing the voltage and capacity of single module in …

Comparative Evaluation of 15-kV SiC MOSFET and 15-kV SiC IGBT for Medium-Voltage Converter Under the Same dv/dt Conditions

K Vechalapu, S Bhattacharya… - IEEE Journal of …, 2016 - ieeexplore.ieee.org
The 15-kV silicon carbide (SiC) MOSFET and 15-kV SiC IGBT are the two state-of-the-art
high-voltage SiC devices. These high-voltage SiC devices enable simple two-level …

Solid state transformers: Concepts, classification, and control

MA Shamshuddin, F Rojas, R Cardenas, J Pereda… - Energies, 2020 - mdpi.com
Increase in global energy demand and constraints from fossil fuels have encouraged a
growing share of renewable energy resources in the utility grid. Accordingly, an increased …

Performance evaluation of series connected 1700V SiC MOSFET devices

K Vechalapu, S Bhattacharya… - 2015 IEEE 3rd Workshop …, 2015 - ieeexplore.ieee.org
The low voltage SiC (Silicon carbide) MOSFET (1.2 kV to 1.7 kV) increases the switching
frequency limits of a power electronic converter several folds compared to low voltage Si …

An active voltage balancing control based on adjusting driving signal time delay for series-connected SiC MOSFETs

T Wang, H Lin, S Liu - IEEE Journal of Emerging and Selected …, 2019 - ieeexplore.ieee.org
Limited by low availability, high price, and poor switching performance of high-voltage
power devices, connecting low-voltage devices in series to block much higher voltages is …

Efficiency-oriented parameter design and comparison of medium voltage isolated bidirectional DC/DC converters

R Chen, R Lu, X Bao, C Li, W Li… - IEEE Open Journal of …, 2022 - ieeexplore.ieee.org
In a medium voltage (MV) solid state transformer (SST), the isolated bidirectional DC/DC
converter (IBDC) is the core circuit for controlling power flow and galvanic isolation. Current …

Voltage balancing control of series-connected SiC MOSFETs by using energy recovery snubber circuits

F Zhang, X Yang, W Chen… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Power semiconductor switches are usually connected in series to achieve higher blocking
voltage. However, the series-operation of semiconductor devices is not easy due to unequal …

High precision gate signal timing control based active voltage balancing scheme for series-connected fast switching field-effect transistors

Z Zhang, H Gui, J Niu, R Chen, F Wang… - 2018 IEEE Applied …, 2018 - ieeexplore.ieee.org
Due to the low availability, high cost, and limited performance of high voltage power devices
in high voltage high power applications, series-connection of low voltage switches is …