Browsing Electrical Engineering (EE) by thesis submitted date"2010"
Now showing items 1-19 of 19
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Active Reactive Induction Motor - A New Solution For Load Commutated SCR-CSI Based High Power Drives
(2013-05-28)This thesis deals with a new solution for medium voltage drives. Load Commutated Inverter (LCI) fed synchronous motor drive is a popular solution for high power drive applications. Though the induction machine is more ... -
Analysis And Development Of Voltage Stability Assessment Methods
(2011-07-08)Voltage stability is the ability of the power system to maintain steady acceptable voltages at all the buses in a system under normal operating conditions and after being subjected to a disturbance. The increased consumption ... -
Complex Network-Function-Loci For Localization Of Discrete Change In Transformer Windings
(2011-08-04)Large capacity high voltage power transformers are one of the most expensive items of equipment in an electrical power network. Power utilities can ill-afford breakdown of transformers, especially, in a deregulated scenario. ... -
Control Of High Power Wound Field Synchronous Motor Drives - Modelling Of Salient Pole Machine, Field Oriented Control Using VSI, LCI And Hybrid LCI/VSI Converters
(2013-05-02)This thesis proposes control schemes and converter configurations for high power wound field synchronous motor (WFSM) drives. The model for a salient pole WFSM in any general rotating reference frame is developed which can ... -
Design Of Robust Power System Damping Controllers For Interconnected Power Systems
(2012-04-20)Small signal oscillation has been always a major concern in the operation of power systems. In a generator, the electromechanical coupling between the rotor and the rest of the system causes it to behave in a manner similar ... -
Discovering Frequent Episodes With General Partial Orders
(2013-06-04)Pattern Discovery, a popular paradigm in data mining refers to a class of techniques that try and extract some unknown or interesting patterns from data. The work carried out in this thesis concerns frequent episode mining, ... -
Geometric And Radiometric Estimation In A Structured-Light 3D Scanner
(2013-10-17)Measuring 3D surface geometry with precision and accuracy is an important part of many engineering and scientific tasks. 3D Scanning techniques measure surface geometry by estimating the locations of sampled surface points. ... -
Hierarchical Logcut : A Fast And Efficient Way Of Energy Minimization Via Graph Cuts
(2013-06-10)Graph cuts have emerged as an important combinatorial optimization tool for many problems in vision. Most of the computer vision problems are discrete labeling problems. For example, in stereopsis, labels represent disparity ... -
High Frequency Link Inverters And Multiresonant Controllers
(2013-10-08)High frequency link power converters for DC – 3Φ AC applications are investigated. Low cost, reduced size, galvanic isolation and efficient large boosting of voltage level are the key motivations behind the selection of ... -
Induction Generators Behavior Under Unbalanced Voltage And Fault Conditions
(2011-09-15)In this thesis first the behavior of induction generators under unbalanced voltage conditions is studied. In this context, first the existing schemes for characterizing the unbalance in simple ways have been studied. The ... -
A Macroscopic Physical Model For Lightning Return Stroke
(2014-10-15)In the design of most of the modern systems, lightning threat needs to be considered at the design phase itself. This demands a suitable model and owing to associated complexity, only simplified modeling have been attempted. ... -
The Multiprocessor Scheduling Of Periodic And Sporadic Hard Realtime Systems
(2013-10-04)Real time systems have been a major area of study for many years. Advancements in electronics, computers, information technology and digital networks are fueling major changes in the area of real time systems. In this ... -
A Multiview Extension Of The ICP Algorithm
(2011-07-12)The Iterative Closest Point (ICP) algorithm has been an extremely popular method for 3D points or surface registration. Given two point sets, it simultaneously solves for correspondences and estimates the motion between ... -
Multiview Face Detection And Free Form Face Recognition For Surveillance
(2014-10-15)The problem of face detection and recognition within a given database has become one of the important problems in computer vision. A simple approach for Face Detection in video is to run a learning based face detector every ... -
A Novel Technique For Enhancing The Pollution Flashover Strength Of Ceramic Disc Insulators
(2013-07-16)Pollution is the single largest cause of transmission/distribution line outages, next to lightning, which result in expensive power outages. A major significance of the problem is that it can repeatedly occur even at ... -
Planning And Operational Aspects Of Real And Reactive Power In Deregulated Power Systems
(2013-10-09)The transition of the power sector from vertically integrated utility (VIU) to deregulated system has resulted in reshaping of generation, transmission and distribution components. Some of the objectives of restructuring ... -
Position Sensor-less Schemes For Vector Control Of Permanent Magnet Synchronous Machine
(2013-07-16)This thesis deals with the modelling, simulation and control of Permanent Magnet Synchronous Machines (PMSM) used specially in electric and hybrid vehicles. With the availability of fast semiconductor switches and high ... -
Power System Stabilizing Controllers - Multi-Machine Systems
(2013-05-02)Electrical Power System is one of the most complex real time operating systems. It is probably one of the best examples of a large interconnected nonlinear system of varying nature. The system needs to be operated and ... -
Studies On Polymeric Micro/Nanocomposites For Outdoor High Voltage Insulation
(2011-05-10)Outdoor electrical insulator is one of the important components of a power system which directly influences the system reliability. Traditionally ceramic insulators have been used for close to a century in both transmission ...