Index Catalog // ScholarsArchive@OSU

Creator:: Casey, Michael Winfield
Abstract:: The purpose of this study was to determine the effects of a six-week career planning dropout prevention program on the self-concepts and academic achievement of at-risk middle school students in an inner-city public school environment. The research population consisted of 1,434 students (grades seven, eight and nine) attending an inner...
Resource Type:: Dissertation
Full Text:: of my Oregon State University Advisory Committee: Drs. Kenneth Ahrendt, Alan Wallace, Lee Cole

Creator:: Zhang, Haoran
Abstract:: With the introduction of high speed semiconductor power devices and the increased application of adjustable speed drives (ASDs) for efficient speed control of ac motors, there has been a growing number of costly motor-drive related process failures. It has been found that the high dv/dt and high switching frequency have...
Resource Type:: Dissertation
Full Text:: the members of my graduate committee: Doctor Alan Wallace, Doctor David J. Allstot, Doctor Rene Spee

Creator:: Ünsal, Abdurrahman
Abstract:: Power quality has become an important concern to both electric utilities and end users due to the increased use of non-linear loads in modem power systems over the past decade. Nonlinear loads inject harmonics into the power system and thus may lead to poor power quality and lower power factor....
Resource Type:: Dissertation
Full Text:: also like to thank the other members of my committee, Dr. Alan K. Wallace, Dr. Gabor Temes, Dr. Ron

Creator:: Dai, Shaoan
Abstract:: With the development of high performance power electronic and semiconductor technologies, Adjustable Speed Drive (ASD) systems are increasingly applied in residential, commercial and industrial applications. Due to the advantages at higher power ratings, the three-level Neutral-Point-Clamped (NPC) Voltage Source Inverter (VSI) is being employed in industrial and traction applications, static...
Resource Type:: Dissertation
Full Text:: committee: Dr. Alan Wallace, Dr. Gabor C. Temes, Dr. Kartikeya Mayaram and Dr. Jon Herlocker for their

ScholarsArchive@OSU