Search results | J. Murrey Atkins Library

Title: A Comparative Study Between Axial and Radial Flux-Focusing Magnetic Gear Topologies and Mechanical Gearboxes
Author: Calvin, Matthew
Date Created: 2015
Subjects--Topical: Mechanical engineering, Electrical engineering, Electromagnetism
Description: A variety of magnetic gear topologies have been investigated in recent years as alternatives to traditional mechanical gearboxes. In general these magnetic gears offer advantages in the non-contact transmission of torque including inherent overloa...

Title: AN INVESTIGATION TOWARDS STRUCTURE PRESERVING TRANSIENT STABILITY ANALYSIS USING ENERGY FUNCTIONS
Author: BUYYANAPRAGADA, RAVI SHANKAR
Date Created: 2015
Subjects--Topical: Electrical engineering
Description: This thesis investigates transient stability of the power system using numerical methods and direct methods. Structure preserving models are prepared for the stability analysis, where all nodes in the system are considered. Moreover, frequency dep...

Title: An Investigation Into the Torque Density Capabilities of Flux-Focusing Magnetic Gearboxes
Author: Uppalapati, Krishna Kiran
Date Created: 2015
Subjects--Topical: Electrical engineering, Power resources, Electromagnetism
Description: Wind and many rotary based ocean energy conversion devices rely on a mechanical gearbox to increase their speed so as to match the requirements of the electromagnetic generator. However, mechanical gearboxes have a number of disadvantages such as ...

Title: Combining Sister Load Forecasts
Author: Liu, Jiali
Date Created: 2015
Subjects--Topical: Electrical engineering
Description: Combining forecasts is a well-known approach to further improving forecast accuracy. In the load forecasting literature, there are only few papers discussing load forecast combination. Most of them are on combining independent forecasts. However, ...

Title: DESIGN, ANALYSIS AND EXPERIMENTAL VERIFICATION OF CENTER-POINT-CLAMPED AC-AC CONVERTER
Author: Bhowmik, Pankaj Kumar
Date Created: 2015
Subjects--Topical: Electrical engineering
Description: With the increasing use of electronic loads by the consumers, the utilities are facing more and more power quality issues. The advancement in semiconductor industry has led to introduction of power electronic devices as solutions to the power qual...

Title: Design and development of a distributed control scheme for an AC stacked distributed PV inverter architecture
Author: Trivedi, Saurabh
Date Created: 2015
Subjects--Topical: Electrical engineering
Description: The increasing importance of renewable electricity, especially PV generation, and the reducing costs of PV modules has placed the inverter in limelight. Panel-level inverter configurations like Micro-inverter are gaining commercial importance, but...

Title: ENERGY STORAGE SYSTEM OPERATION AND CONTROL FOR GRID RESILIENCY AND ENHANCING RENEWABLE ENERGY PENETRATION
Author: Abdelrazek, Sherif
Date Created: 2015
Subjects--Topical: Electrical engineering, Engineering, Power resources
Description: This research aims to examine the potential value of Energy Storage Systems (ESSs) to different sects of the electrical power system through the various applications in which it could be utilized. The different storage technologies are reviewed in...

Title: FAULT-TOLERANT DESIGN FOR CONTINUOUS REAL-TIME MONITORING AND MODULATION OF THE HUMAN BRAIN
Author: Acharya, Ipsita
Date Created: 2015
Subjects--Topical: Electrical engineering, Biomedical engineering
Description: An era of brain implantable devices has been ushered in recent years. These devices are currently being used to treat neurological disorders such as Parkinson's depression and epilepsy and are increasingly being proposed for a wide range of neurol...

Title: Geometric methods for control of nonholonomic mechanical systems with applications to the control moment gyroscope and wheeled mobile robots
Author: Amengonu, Yawo
Date Created: 2015
Subjects--Topical: Electrical engineering
Description: The advantage of geometric dynamics analysis over the classical analysis method is that geometric method is independent of the choice of coordinates. The work, presented here, applies differential geometry for analysis and control of underactuated...

Title: INVESTIGATION OF WIND SPEED- DEPENDENT ELECTRIC POWER TRANSMISSION LINE MODELS
Author: JAGARLAPUDI, SURYA NAGA KRISHNA MOHAN
Date Created: 2015
Subjects--Topical: Electrical engineering
Description: Electric power transmission lines are a critical interconnection component of the power system. With the increasing demand for electric power and push for increased renewable generation, transmission lines are now operating close to their nominal ...

Title: INVESTIGATION ON TOROIDAL PCB EMBEDDED INDUCTOR FOR POWER ELECTRONICS APPLICATIONS
Author: Shah, Neel
Date Created: 2015
Subjects--Topical: Electrical engineering, Engineering
Description: This thesis investigates a Printed Circuit Board embedded air core inductor at5 MHz switching frequency for two different prototypes 200 W-􀀀 5 A/ 250 nH and300 W -10 A/150 nH. The toroid structure has been used, as they have weaker external magnet...

Title: MICROGRID MANAGEMENT ARCHITECTURE CONSIDERING OPTIMAL BATTERY DISPATCH
Author: PAUL, TIM GEORGE
Date Created: 2015
Subjects--Topical: Electrical engineering
Description: Energy management and economic operation of microgrids with energy storage systems at the distribution level have attracted significant research interest in recent years. One of the challenges in this area has been the coordination of energy manag...

Title: Metamaterial Loading of Electrically Small Patch Antennas to Enable Beam Steering up to the Horizon
Author: Pai Raikar, Vandita Rajiv
Date Created: 2015
Subjects--Topical: Electrical engineering, Electromagnetism
Description: This thesis research has been conducted with an aim of investigating the effects ofmetamaterials on microstrip patch antennas. Metamaterials exhibit interesting propertiessuch as single negative or simultaneous double negative values of relative p...

Title: PRESSURE CONTROL METHODS FOR A PRESSURIZED COOLING SYSTEM WITH REPETITIVE CYCLES OF TRANSIENT DYNAMIC BEHAVIOR
Author: Smith, Michael
Date Created: 2015
Subjects--Topical: Electrical engineering, Engineering
Description: Pressurizer (PZR) behavior in typical pressurized water reactor (PWR) nuclear power plants is well understood. Pressure control is relatively straightforward for a typical PWR, since the larger fluid system normally operates in a very steady state...

Title: THERMOELECTRIC PHENOMENA FOR WASTE HEAT HARVESTING USING WIDE BANDGAP SEMICONDUCTORS
Author: Kucukgok, Bahadir
Date Created: 2015
Subjects--Topical: Materials science, Electrical engineering, Power resources
Description: The objective of this dissertation is to advance the fundamental understanding of the role of crystal defects on thermoelectric (TE) properties of wide band-gap materials in order to enable a new class of TE material for high temperature power gen...

Title: The Use of Fractals and Non-Foster Circuits for Wideband Metamaterials and Antennas
Author: Smith, Kathryn
Date Created: 2015
Subjects--Topical: Electrical engineering
Description: Implementations of two methods for broadening the performance bandwidth of resonant electromagnetic structures are presented. The first method is the use of non-Foster loading elements, and the second method is the use of fractal geometries. Non-F...

Title: Understanding and Development of Cost-Effective Industrial Aluminum Back Surface Field (Al-BSF) Silicon Solar Cells
Author: Chen, Nian
Date Created: 2015
Subjects--Topical: Electrical engineering, Power resources
Description: For the long-term strategy of gradual decarbonization of the world’s energy supply, high penetration of PV electricity is critical in the future world energy landscape. In order to achieve this, solar electricity with competitive cost to fossil fu...

Title: study of optoelectronic properties of thin film solar cell materials Cu2ZnSn(S,Se)4 using multiple correlative spatially-resolved spectroscopy techniques
Author: Chen, Qiong
Date Created: 2015
Subjects--Topical: Electrical engineering
Description: Containing only earth abundant and environmental friendly elements, quaternary compounds Cu2ZnSnS4 (CZTS) and Cu2ZnSnSe4 (CZTSe) are considered as promising absorber materials for thin film solar cells. The best record efficiency for this type of ...