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Dive into the research topics where James McBryde is active.

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Featured researches published by James McBryde.


conference of the industrial electronics society | 2010

Performance comparison of 1200V Silicon and SiC devices for UPS application

James McBryde; Arun Kadavelugu; Bobby Compton; Subhashish Bhattacharya; Mrinal K. Das; Anant K. Agarwal

In this paper, a comparative study of 1200V Silicon IGBTs with Silicon Carbide (SiC) MOSFETs is presented for a 6kVA single-phase 230V online Uninterruptible Power Supply (UPS) system. The UPS is first tested with the 1200V silicon IGBT/Diode devices (2 parallel 34A IGBT/diode) and then the inverter devices are replaced by next generation SiC 1200V MOSFET/Diode devices (2 parallel 20A MOSFET/10A Diode co-packs). The UPS efficiency is compared with two different sets of devices, at different loading and gate driving conditions. SiC MOSFETs significantly improve the efficiency of the UPS at light load conditions. The experimental results are presented at 20kHz switching frequency.


Archive | 2014

Optical waveguide bodies and luminaires utilizing same

Kurt S. Wilcox; John Durkee; James Michael Lay; Shawn Leroux Heeter; Nicholas W. Medendorp; James McBryde


Archive | 2013

Led lighting apparatus for use with ac-output lighting ballasts

Jun Zhang; James McBryde


Archive | 2014

LIGHTING FIXTURE PROVIDING VARIABLE CCT

James McBryde; Randy Demuynck; Andrew Dummer; Daniel J. Pope; Heidi Loepp; P. Joseph DeSena


Archive | 2014

Digitally controlled driver for lighting fixture

Daniel J. Pope; Andrew Dummer; James McBryde; Heidi Loepp; Jr. P. Joseph Desena; Priyanka Medida


Archive | 2014

Wall controller controlling CCT

Daniel J. Pope; James McBryde


Archive | 2012

EMERGENCY LIGHTING SYSTEMS AND METHODS FOR SOLID STATE LIGHTING APPARATUS

John J. Trainor; James McBryde; Randall L. Powers; Michael James Harris; Patrick O'flaherty


Archive | 2013

Emergency lighting conversion for LED strings

James McBryde; Jun Zhang


Archive | 2012

Dimming control for emergency lighting systems

John J. Trainor; James McBryde; Randall L. Powers


Archive | 2012

Emergency lighting systems including bidirectional booster/charger circuits

John J. Trainor; James McBryde; Randall L. Powers; Joseph P. Chobot

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