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Dive into the research topics where Joseph C. Paulakonis is active.

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Featured researches published by Joseph C. Paulakonis.


energy conversion congress and exposition | 2013

Device characterization and performance of 1200V/45A SiC JFET module

Vinay Baliga; Samir Hazra; Shikhar Singh; Sudhin Roy; Subhashish Bhattacharya; Joseph C. Paulakonis; Shailesh Notani

This paper evaluates the hard-switching performance of a novel cascode configuration of a 1200V/45A SiC JFET module. The device is first characterized and then switched up to 600V through double pulse testing. The capacitive effects of the device are analyzed and account for a significant current spike during turn-on. The switching behavior due to the gate drive circuitintroduction of varied gate resistances is discussed and analyzed. The switching behavior allows for the extraction of rise time, fall time, dV/dt, di/dt, and the switching losses - Eon and Eoff - while applying these varying gate resistances. The gate drive circuit is discussed and the hardware and test setup are shown and presented.


Archive | 2015

Gate drive circuit

Steven Widener; Eric Menzel; Joseph C. Paulakonis; George W. Oughton


Archive | 2004

Power factor corrected UPS with improved connection of battery to neutral

William J. Raddi; Joseph C. Paulakonis; Robert W. Johnson


Archive | 1989

Uninterrupted power supply system having improved power factor correction circuit

Robert W. Johnson; Joseph C. Paulakonis


Archive | 2006

UPS systems having multiple operation modes and methods of operating same

Robert W. Johnson; Rune Lennart Jonsson; Ove Ohman; Joseph C. Paulakonis; Kevin Lee; Pasi S. Taimela


Archive | 2002

Power factor corrected UPS with improved connection of battery to neutral and methods of operation thereof

William J. Raddi; Joseph C. Paulakonis; Robert W. Johnson


Archive | 1991

Uninterruptible power supply having improved battery charger

Robert W. Johnson; Joseph C. Paulakonis


Archive | 2000

Power factor corrected UPS maintaining neutral integrity and methods of operation thereof

William J. Raddi; Joseph C. Paulakonis; Robert W. Johnson


Archive | 1998

Charge circuits for ups

Robert W. Johnson; Steven Widener; Joseph C. Paulakonis; Jeff Gucyski


Archive | 2007

Systèmes UPS dotés de modes de fonctionnement multiples et leurs procédés de fonctionnement

Robert W. Johnson; Rune Lennart Jonsson; Kevin Lee; Ove Ohman; Joseph C. Paulakonis; Pasi S. Taimela

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Samir Hazra

North Carolina State University

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Shailesh Notani

North Carolina State University

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Subhashish Bhattacharya

North Carolina State University

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