Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 6 of 6 for “"Traction Drive"”.
-
Switching Frequency Effects on Traction Drive System Efficiency
… on the efficiency of a hybrid electric vehicle traction drive, which contains both an internal combustion engine as well as electric motor. Therefore improving the efficiency of the electric motor and its drive will help improve the viability of alternative vehicle technologies. Automobiles …
-
An examination of low hysteresis polyurethane for use in traction drive rolling elements
Thesis: B.S., Massachusetts Institute of Technology, Department of Mechanical Engineering, 1981
-
Analysis of Performance Characteristics of Electric Vehicle Traction Drive in Low Speed/Low Torque Range
… restrictions placed on the motor and inverter drive system. It also looks at the best method for controlling the drive in order to achieve the highest efficiency out of the drive. While other works have shown methods of achieve high efficiency out of the motor, it is the assertion of this work …
-
Design and Validation of A High-Power, High Density All Silicon Carbide Three-Level Inverter
… progress, the revolution of electric traction drive systems is one of the most important milestone. The traction system should keep high efficiency to avoid performance reduction. Moreover, the motor drive should be designed within limited space without sacrificing output power rating. …
-
Design and development of exclusive modulation techniques for effective power regulation in dual two-level-inverter-fed open-ended winding traction motors
… integral part of an EV propulsion system is the traction drive. The existing two-level inverter drives reportedly has several drawbacks. Multilevel inverter has been proposed as an improvement over the conventional inverter drive for EVs. Dual two-level inverter topology, fed from isolated DC …
-
Design, Optimization, and Integration of a SiC-Based Traction Inverter with Enhanced Current Sharing for Paralleled Discrete Devices
… vehicles (EVs) with hybrid or full electric traction drives have emerged as leading contenders for reducing exhaust emission. In the traction drive system, dc/ac inverters that spin the motor need to deliver high power, high efficiency, and high density. According to the U.S. Department of …