Results 61 to 70 of about 16,299 (241)

A Hybrid Ultra‐High Voltage DC Transformer With Digital Twin‐Driven Operation and Control

Digital Twins and Applications, Volume 3, Issue 1, January/December 2026.
This study introduces a digital twin‐driven hybrid ultra‐high‐voltage DC transformer (UHVDCT) that combines high‐capacity LCCs with low‐capacity MMCs at the UHV side. This innovative topology reduces MMC requirements by 32.9% while ensuring stable power flow and dynamic reactive balance through real‐time virtual‐physical synchronization.
Ling Xu, Le Zhao, Xiaohu Zhang, Hanlin Guo, Jie Fang, Zheren Zhang, Zheng Xu   +6 more
wiley   +1 more source

Silicon device performance measurements to support temperature range enhancement [PDF]

Characterization results of a MOS controlled thyristor (MCTA60P60) are presented. This device is rated for 60A and for an anode to cathode voltage of -600 V. As discussed in the last report, the MCT failed during 500 V leakage tests at 200 C. In contrast
Askew, Ray, Bromstead, James, Cosby, Melvin, Johnson, R. Wayne, Nelms, R. Mark, Weir, Bennett   +5 more
core   +4 more sources

A new symmetric modular eleven‐level inverter using single and double source unit for low voltage applications with reduced number of switches

IET Power Electronics, Volume 19, Issue 1, January/December 2026.
This study introduces a new modular multilevel inverter that can produce five levels of positive voltage using only six power switches and five DC voltage sources. The basic unit is composed of a single‐ and double‐source (SDS) unit. SDS reduces the number of power electronic components, such as the insulated gate bipolar transistors, freewheeling ...
Naser Fakhri, Sara Laali, Mohammad Salay Naderi, Hossein Rahimi, Saeid Gholami Farkoush   +4 more
wiley   +1 more source

AC to DC Converter Using Microcontroller [PDF]

, 2009
The aim of the project is to obtain a controlled DC output from a standard single phase 230V, 50Hz power supply. For this we first rectified the ac voltage using four diodes. Then the rectified DC voltage is used to get controlled DC voltage output using
Rout, Rashmi Ranjan, Tripathy, Durga Prasad   +1 more
core  

Semiconductor devices in solid-state/hybrid circuit breakers: current status and future trends [PDF]

, 2017
Circuit breakers (CBs) are the main protection devices for both alternating current (AC) and direct current (DC) power systems, ranging from tens of watts up to megawatts.
Alan J. Watson, Alberto Castellazzi, Bin, Carlson, Chunyang Gu, Francis Effah, Huaren, Min Cheol, Pat Wheeler   +8 more
core   +1 more source

A nine‐level T‐type inverter (9L‐TTI) with voltage boost capability

IET Power Electronics, Volume 19, Issue 1, January/December 2026.
A new multi‐level inverter topology with boosting feature considering the reduced switch count has been presented, compared and validated. Abstract This paper introduces a 9L T‐type boost inverter (9L‐TTI) based multilevel topology, which generates a nine‐level output voltage in the boost mode.
Zarren Firdous, Saad Mekhilef, Nidhi Mishra, Asif Mustafa, Mehdi Seyedmahmoudian, Alex Stojcevski   +5 more
wiley   +1 more source

An Aging-Degree Evaluation Method for IGBT Bond Wire with Online Multivariate Monitoring

Energies, 2019
The aging fracture of bonding wire is one of the main reasons for failure of insulated gate bipolar transistor (IGBT). This paper proposes an online monitoring method for IGBT bonding wire aging that does not interfere with the normal operation of the ...
Zilang Hu, Xinglai Ge, Dong Xie, Yichi Zhang, Bo Yao, Jian Dai, Fengbo Yang   +6 more
doaj   +1 more source

Field Programmable Gate Arrays Usage in Industrial Automation Systems [PDF]

, 2016
Tato disertační práce se zabývá využitím programovatelných hradlových polí (FPGA) v diagnostice měničů, využívajících spínaných IGBT tranzistorů. Je zaměřena na budiče těchto výkonových tranzistorů a jejich struktury. Přechodné jevy veličin, jako jsou IG,
Nouman, Ziad
core  

A Simple Closed-Loop Active Gate Voltage Driver for Controlling diC/dt and dvCE/dt in IGBTs [PDF]

, 2019
The increase of the switching speed in power semiconductors leads to converters with better efficiency and high power density. On the other hand, fast switching generates some consequences like overshoots and higher switching transient, which provoke ...
Ghorbani, Hamidreza, Paredes Camacho, Alejandro, Romeral Martínez, José Luis, Sala Caselles, Vicenç   +3 more
core   +2 more sources

A three‐phase three‐level converter with shared flying capacitors

IET Power Electronics, Volume 19, Issue 1, January/December 2026.
Three‐phase multilevel converters use a high number of components which increases their size. As specific weight reduction is a work of interest for embedded system applications, this paper presents a topology aiming to optimize volume and mass for a three‐level three‐phase inverter. The number of passive and active components is reduced thanks to the ‘
Maxime Pain, Guillaume Gateau, Jean‐Marc Blaquiere   +2 more
wiley   +1 more source