Characterizations of Partial Discharge in Modern Power Electronics

Z Guo, AQ Huang - IEEE Journal of Emerging and Selected …, 2024 - ieeexplore.ieee.org
Partial discharge (PD) is a phenomenon often occurring in insulation system defects
(cavities), which can significantly affect lifetime and reliability of power electronics …

Design and optimization of a 200-kW medium-frequency transformer for medium-voltage SiC PV inverters

Z Guo, R Yu, W Xu, X Feng… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This article presents a design and optimization methodology for a 200-kW medium-
frequency transformer (MFT) based on low-loss magnetic core (FINEMET FT-3TL). The …

Characterization of partial discharges in high-frequency transformer under PWM pulses

Z Guo, AQ Huang, RE Hebner… - … on Power Electronics, 2022 - ieeexplore.ieee.org
Partial discharge (PD) is a phenomenon often occurring in insulation system defects
(cavities), which can significantly affect life and reliability. While broad knowledge on PD …

Hardware design of a 13.8-kv/3-mva pv plus storage solid-state transformer (pvs-sst)

W Xu, Z Guo, A Vetrivelan, R Yu… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
Photovoltaic (PV) power generation plant with integrated battery energy storage (BES) is
becoming increasingly attractive and necessary as the PV penetration increases. Traditional …

A differential-mode isolated AC/AC converter

S Gupta, SK Mazumder - IEEE Transactions on Power …, 2023 - ieeexplore.ieee.org
In this article, an isolated single-stage direct power conversion (DPC) type ac/ac converter is
outlined. The ac/ac converter is based on differential-mode (DM) architecture where two …

A three-phase isolated building block for high-power medium-voltage grid applications

RA Gomez, DA Porras, GG Oggier… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
High-voltage (HV) wide bandgap (WBG) silicon carbide (SiC) power modules, capable of
higher switching frequencies and thermal stresses than their silicon-based counterparts, are …

Design and performance analysis of ultra-wide bandgap power devices-based EV fast charger using bi-directional power converters

T Ilahi, T Izhar, SM Qaisar, UT Shami, M Zahid… - IEEE …, 2023 - ieeexplore.ieee.org
A widespread introduction of electric vehicles would require an advanced enriched fast-
charging infrastructure and battery technology. Currently used silicon (Si) based power …

500kVA hybrid solid state transformer (HSST): Design and implementation of the SST

S Rajendran, S Sen, L Zhang, Z Guo… - 2020 IEEE Energy …, 2020 - ieeexplore.ieee.org
This paper presents the design and implementation of a solid-state transformer (SST) that
forms a part of a larger Hybrid Solid State Transformer (HSST). The HSST comprises of a …

500kVA hybrid solid state transformer (HSST): modelling and control

S Rajendran, S Sen, Z Guo… - 2021 IEEE Energy …, 2021 - ieeexplore.ieee.org
This paper presents a full order average model of a Hybrid Solid State Transformer (HSST)
and a controller design to regulate the HSST output voltage. The developed 500kVA HSST …

Device voltage stress from ground leakage current in medium-voltage solid-state transformer

L Zheng, RP Kandula, D Divan - IEEE Transactions on Power …, 2022 - ieeexplore.ieee.org
Grounding related issues are critical for safe and reliable operation of solid-state transformer
(SST) in medium-voltage (MV) applications, eg, solar photovoltaic and energy storage …