Ronald J. Krefta

Analytical derivation of a coupled-circuit model of a claw-pole alternator with concentrated stator windings

Hua Bai, Steven D. Pekarek, J.L. Tichenor et al. · IEEE Transactions on Energy Conversion · 2002 · 58 citations

Electrical Engineering, Electric Machine, Power Engineering +12

Analysis of a Permanent Magnet Synchronous Machine Supplied from a 180° Inverter with Phase Control

Paul Krause, R.R. Nucera, Ronald J. Krefta et al. · IEEE Transactions on Energy Conversion · 1987 · 30 citations

Electric Machine, Dynamic Behavior, Phase Shift +6

Technology Considerations for Belt Alternator Starter Systems

James Walters, Ronald J. Krefta, Gabriel Gallegos-López et al. · SAE technical papers on CD-ROM/SAE technical paper series · 2004 · 28 citations

Comparison of 3-, 5-, and 6-phase machines for automotive charging applications

B. Zhang, Hua Bai, Steve Pekarek et al. · 2003 · 27 citations

Aeroacoustics, Electrical Engineering, Electric Machine +12

Incorporating the Effects of Magnetic Saturation in a Coupled-Circuit Model of a Claw–Pole Alternator

Hua Bai, Steven D. Pekarek, J.L. Tichenor et al. · IEEE Transactions on Energy Conversion · 2007 · 19 citations

Electrical Engineering, Claw–pole Alternator, Steady State +14