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Electro-Thermal Dynamics and the Effects of Generalized Discontinuous Pulse Width Modulation Algorithms on High Performance Variable Frequency Drives

Krohn, Austin Bengoechea
http://rave.ohiolink.edu/etdc/view?acc_num=osu1397643253

Abstract Details

2014, Master of Science, Ohio State University, Electrical and Computer Engineering.
This thesis is concerned with issues observed with the variable frequency drive, VFD, traction inverter used in the Buckeye Bullet 3 as it performed during the 2013 race season and the work done to improve said drive for the 2014 season. The thesis will begin with an introduction to the Buckeye Bullet racing program discussing the history of the project as well as the goals for the current vehicle. From there, an overview of electric vehicle powertrains will discuss on-board energy storage, DC to AC energy conversion and the basic principals of permanent magnet electric motors. After the powertrain overview the paper will move into the details of the primary topic of research, the thermal dynamics of the solid state-devices used to create the VFD. This chapter will walk through the development of the thermal model as well as the algorithms used for balanced, three phase, DC to AC energy conversion. With a brief discussion one PWM comparator logic and modulating waveform shape, the chapter moves into the details of the Simulink model used and concludes with the result thereof. Topics considered less important than the thermal dynamics of the solid-state devices are grouped into a chapter of ”Secondary Drive Improvements”. These topics are Start Up Voltage Limit, Electromagnetic Noise, VFD Case Sealing, and finally a Motor Model. The thesis concludes with a summary of work and thoughts regarding future work that would benefit the Buckeye Bullet in years to come.
Giorgio Rizzoni (Advisor)
Longya Xu (Committee Member)
184 p.
Electrical Engineering
VFD; Space Vector; PWM; Inverter; GDPWM; thermal model

Recommended Citations

Citations

  • Krohn, A. B. (2014). Electro-Thermal Dynamics and the Effects of Generalized Discontinuous Pulse Width Modulation Algorithms on High Performance Variable Frequency Drives [Master's thesis, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1397643253

    APA Style (7th edition)

  • Krohn, Austin. Electro-Thermal Dynamics and the Effects of Generalized Discontinuous Pulse Width Modulation Algorithms on High Performance Variable Frequency Drives. 2014. Ohio State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1397643253.

    MLA Style (8th edition)

  • Krohn, Austin. "Electro-Thermal Dynamics and the Effects of Generalized Discontinuous Pulse Width Modulation Algorithms on High Performance Variable Frequency Drives." Master's thesis, Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1397643253

    Chicago Manual of Style (17th edition)

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© 2014, all rights reserved.
This open access ETD is published by The Ohio State University and OhioLINK.