B.A. Welchko

General Motors (United States) — United States

Engineering · Physical Sciences

15h-index1.7kcitations23works0.02yr avg
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Research Topics

Multilevel Inverters and Converters(17), Electric Motor Design and Analysis(15), Sensorless Control of Electric Motors(11), Advanced DC-DC Converters(9), Silicon Carbide Semiconductor Technologies(5)

Publications23 total

A Separated Switching PWM Method to Reduce Bearing Currents
2024
Control strategies for a high frequency DC-DC converter for electrified vehicles
2017
Analytical calculation of the RMS current stress on the DC link capacitor for a VSI employing reduced common mode voltage PWM
2007· 12 cited
Effects and Compensation of Dead-Time and Minimum Pulse-Width Limitations in Two-Level PWM Voltage Source Inverters
Conference record·2006· 34 cited
Magnet-flux-nulling control of interior PM Machine drives for improved steady-state response to short-circuit faults
IEEE Transactions on Industry Applications·2006· 40 cited
Uncontrolled Generation in Interior Permanent-Magnet Machines
IEEE Transactions on Industry Applications·2005· 48 cited
A double-ended inverter system for the combined propulsion and energy management functions in hybrid vehicles with energy storage
2005· 107 cited
Fault Interrupting Methods and Topologies for Interior PM Machine Drives
IEEE Power Electronics Letters·2004· 15 cited
Short-circuit fault mitigation methods for interior PM synchronous machine drives using six-leg inverters
2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.04CH37551)·2004· 31 cited
Magnet flux nulling control of interior PM machine drives for improved response to short-circuit faults
Conference Record of the 2004 IEEE Industry Applications Conference, 2004. 39th IAS Annual Meeting.·2004· 4 cited
Fault Tolerant Three-Phase AC Motor Drive Topologies: A Comparison of Features, Cost, and Limitations
IEEE Transactions on Power Electronics·2004· 717 citedOpen Access
A comparative evaluation of motor drive topologies for low-voltage, high-power EV/HEV propulsion systems
2004· 37 cited
A Three-Level MOSFET Inverter for Low-Power Drives
IEEE Transactions on Industrial Electronics·2004· 98 citedOpen Access
A three-level MOSFET inverter for low power drives
2003· 23 cited
Fault tolerant three-phase AC motor drive topologies; a comparison of features, cost, and limitations
2003· 65 cited
The influence of topology selection on the design of EV/HEV propulsion systems
IEEE Power Electronics Letters·2003· 88 cited
IPM synchronous machine drive response to symmetrical and asymmetrical short circuit faults
IEEE Transactions on Energy Conversion·2003· 205 cited
Model reference current control of a unipolar induction motor drive
2002· 1 cited
IPM synchronous machine drive response to a single-phase open circuit fault
2002· 12 cited
IPM Synchronous Machine Drive Response to Symmetrical and Asynunetrical Short Circuit Faults
IEEE Power Engineering Review·2002
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Frequent Co-authors

T.Α. Lipo(10), Thomas M. Jahns(10), J.M. Nagashima(4), Steven E. Schulz(3), Wen L. Soong(3), S. Hiti(3), J. Wai(2), Maurício Beltrão de Rossiter Corrêa(1), C.Z. Liaw(1), Nesimi Ertuğrul(1), M.B.R. Corrêa(1), Xin Jing(1), Constantin Stancu(1), Peter Savagian(1), Kerrie Ball Spaven(1), Brent S. Gagas(1), Brian Gallert(1), Alireza Fatemi(1)