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Spring 2018

Smith, Ian

Power electronics based variable-frequency drives (VFDs) for electric motors are a widespread technology in industrial settings and commercial products; offering increased functionality, accurate control of speed and torque, and substantial energy savings. A myriad of converter topologies and...

Fall 2010

Woinowsky-Krieger, Alexis

Interfacing and operating AC power electronic systems requires rapid and accurate estimation of the phase angle of the power source, and specifically of the positive sequence of the three-phase utility grid voltage. This is needed to ensure reliable operation of the power control devices and of...

Fall 2015

Perera, Srilak N

The design of most power electronic systems is ultimately linked to the devices being used, the system efficiency and the system cost. A Digital Signal Processor (DSP) based 3-phase Pulse Width Modulation (PWM) switching scheme for a 3-Limb Core Coupled Inductor Inverter (CII) is presented as a...

Fall 2023

Yapa, Dohitha

The developments in the field of electrical engineering over the years have expanded the types of electricity generation, distribution and utilization. With these developments, power conversion plays an important role. As the demand grows, higher power handling capacity is expected of the...

Fall 2022

Perera, Ambegoda Liyanage Vishwa

The transportation sector is gaining much more attention towards all-electric modes such as electric vehicles (EV), and more electric aircrafts and ships. EVs lead the transportation sector with luxurious, high performance, and intelligent vehicles. The stored battery energy is the most important...

Fall 2022

Wdaan, Saeed

The dual inverter drive (DID) using an open-ended winding induction machine has been regarded as a suitable topology for high speed applications. Some of the main advantages this topology has over the traditional single inverter drive is its multilevel voltage, its high reliability, and its...

Spring 2013

Ewanchuk, Jeffrey

In low-voltage applications, an alternative approach to multi-level capacitorbased converters can be obtained by interleaving the switching of two converters across split-wound coupled inductors. When compared to traditional capacitor-based multi-level converters, using split-wound coupled...

Fall 2021

Zuniga Gutierrez, Juan R.

Galvanic isolation using transformers is an important feature of many power converters, providing additional safety by separating the ground potential of two or more sections of an electrical system. High-frequency (HF) transformers increase the power density of converters by reducing the core...

Fall 2021

Perera, Lokugonaduwage S. C.

Dual inverter topologies can produce multilevel output voltage waveforms and have multiple degrees of freedom in control. Due to their versatility and modular nature, they find many different applications in power electronics. Although these topologies have been in existence for almost three...