Thyristor

Applied sciences
Électrotechnique
Ingénierie électronique
Électronique de puissance

Publications associées (30)

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High Frequency Operation of Series-Connected IGCTs for Resonant Converters

Drazen Dujic, Gabriele Ulissi

Series connected IGCTs find application in hard-switched commercial power converters at the MW power levels. Expanding the application of these devices to medium voltage dc-dc resonant converters is of great interest due to the IGCTs low conduction losses. ...

2021

GaN vertical power devices on silicon substrates

Riyaz Mohammed Abdul Khadar

Gallium Nitride (GaN) is a wonder material which has widely transformed the world by enabling energy-efficient white light-emitting diodes. Over the past decade, GaN has also emerged as one of the most promising materials for developing power devices which ...

EPFL2021

High-Accuracy Calibration-Free Calorimeter for the Measurement of Low Power Losses

Elison de Nazareth Matioli, Remco Franciscus Peter van Erp, Enea Figini, Armin Jafari, Reza Soleiman Zadeh Ardebili, Mohammad Samizadeh Nikooytabalvandani, Furkan Karakaya, Michaël Heijnemans

Wide-band-gap technologies enable ultra-high efficiencies in high-frequency power conversion. However, inadequate accuracies in electrical measurements could lead to spurious efficiency measurements, even above 100%. Furthermore, bandwidth limitations, par ...

2020

Calibration-Free Calorimeter for Sensitive Loss Measurements: Case of High-Frequency Inductors

Elison de Nazareth Matioli, Armin Jafari, Remco Franciscus Peter van Erp, Enea Figini, Palliyage Srilak Nirmana Perera, Furkan Karakaya, Michaël Heijnemans

IEEE2020

IGCT Based Solid State Resonant Conversion

Dragan Stamenkovic

Driven by the environmental changes, penetration of renewables and the need for more flexible power grid, DC is reemerging as a basis for future power networks. Already established in the area of HVDC for very long distance transmission, more and more atte ...

EPFL2020

Analysis of Large-Signal Output Capacitance of Transistors using Sawyer–Tower Circuit

Elison de Nazareth Matioli, Remco Franciscus Peter van Erp, Armin Jafari, Palliyage Srilak Nirmana Perera, Georgios Kampitsis, Jessy Anthony Ançay

A detailed analysis on the Sawyer–Tower method used in the measurement of large-signal output capacitance (Co) of power transistors is presented, followed by important design recommendations to obtain accurate results. Key factors affecting the proper impl ...

2020

Ultra High Voltage Switch for Bidirectional DC-DC Converter Driving Dielectric Elastomer Actuator

Yves Perriard, Yoan René Cyrille Civet, Morgan Almanza, Lucas Pniak

Specific applications, such as dielectric elastomer actuators (DEAs) or electroactive polymers, require to switch voltage levels exceeding the ratings of existing semiconductor devices. In low power application, reversible flyback are widely used to supply ...

2020

Ultra-compact, high-frequency power integrated circuits based on GaN-on-Si Schottky Barrier Diodes

Elison de Nazareth Matioli, Remco Franciscus Peter van Erp, Jun Ma, Luca Nela, Georgios Kampitsis

GaN transistors are being employed in an increasing number of applications thanks to their excellent performance and competitive price. Yet, GaN diodes are not commercially available and little is known about their performance and potential impact on power ...

2020

IGCT Low-Current Switching – TCAD and Experimental Characterization

Drazen Dujic, Dragan Stamenkovic

Utilization of the Integrated Gate Commutated Thyristor as a semiconductor switch in the Series Resonant Converter for isolated medium voltage DC-DC conversion offers an opportunity for high conversion efficiency while operating at the high switching frequ ...

2019

A Fast-Dynamic Unipolar Switching Control Scheme for Single-Phase Inverters in DC Microgrids

Nicolai Hildebrandt

This paper presents the digital implementation of a boundary controller with unipolar switching characteristic for single-phase voltage source full-bridge inverters. This paper expands the application of a second-order switching surface-based control metho ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2019

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