Electrical Engineering (EE): Recent submissions
Now showing items 321-340 of 345
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Soft Switched Multi-Phase Tapped-Boost Converter And Its Control
(2009-08-04)Boost dc-to-dc converters have very good source interface properties. The input inductor makes the source current smooth and hence these converters provide very good EMI performance. On account of this good property, the ... -
Design Of 1400W Telecom Power Supply With Wide Range Input AC Voltage
(2009-07-24)In the fast growing field of Telecommunications, the back up DC power supply plays a vital role in powering the telecom equipment. This DC power supply is a combination of AC-DC Rectifier coupled with a battery bank to ... -
Development Of Algorithms For Security Oriented Power System Operation
(2009-07-23)The objective of an Energy Control Center (ECC) is to ensure secure and economic operation of power system. The challenge to optimize power system operation, while maintaining system security and quality of power supply ... -
Power System Data Compression For Archiving
(2009-07-23)Advances in electronics, computer and information technology are fueling major changes in the area of power systems instrumentations. More and more microprocessor based digital instruments are replacing older type of meters. ... -
Modeling, Analysis And Control Of Single-Phase And Three-Phase PWM Rectifiers
(2009-06-16)Pulse width modulation (PWM) rectifiers are extensively used in battery charger, regulated dc voltage source, UPS systems, ac line conditioner and motor drives. The conventional control schemes for these rectifiers require ... -
Direct Time Domain Modelling Of First Return Stroke Of Lightning
(2009-05-21)Being one of the most spectacular events in nature, lightning is basically a transient high current electric discharge in the atmosphere, which extends up to kilometres. Cloud to ground discharge is the most hazardous one ... -
Development Of Algorithms For Bad Data Detection In Power System State Estimation
(2009-05-12)Power system state estimation (PSSE) is an energy management system function responsible for the computation of the most likely values of state variables viz., bus voltage magnitudes and angles. The state estimation is ... -
Lightning Protection System To Indian Satellite Launch Pads : Stroke Classification And Evaluation Of Current In The Intercepted Strokes
(2009-03-11)Satellites have become absolute necessity in the growing modern space technology. At present, launch pads are the only means for launching of satellites or any other space vehicles. Due to the large magnitude of current ... -
Investigations On Lightning Surge Response Of Isolated Down Conductors
(2008-11-04)Lightning is a natural phenomenon involving transient high current discharge in the atmosphere. Cloud-to-ground lightning, wherein the discharge occurs between the cloud and the ground is quite hazardous to systems on the ... -
Discovering Frequent Episodes : Fast Algorithms, Connections With HMMs And Generalizations
(2008-10-13)Temporal data mining is concerned with the exploration of large sequential (or temporally ordered) data sets to discover some nontrivial information that was previously unknown to the data owner. Sequential data sets come ... -
Application Of ANN Techniques For Identification Of Fault Location In Distribution Networks
(2008-10-03)Electric power distribution network is an important part of electrical power systems for delivering electricity to consumers. Electric power utilities worldwide are increasingly adopting the computer aided ... -
A Study On High Voltage AC Power Transmission Line Electric And Magnetic Field Coupling With Nearby Metallic Pipelines
(2008-10-03)In the recent years, there has been a trend to run metallic pipelines carrying petroleum products and high voltage AC power lines parallel to each other in a relatively narrow strip of land. The case of electromagnetic ... -
A Study Of Utility Of Smile Profile For Face Recognition
(2008-09-09)Face recognition is one of the most natural activities performed by the human beings. It has wide range of applications in the areas of Human Computer Interaction, Surveillance, Security etc. Face information of people can ... -
An Efficient Solution To Generalized Model Of A Transformer Winding And Localization Of Discrete Changes Based On Measurements
(2008-01-31)High voltage power transformers are designed to withstand a variety of overvoltages and short circuit forces. Occurrence of these events in a power system is natural, inevitable, and one of the main causes of transformer ... -
Analysis Of Multi-lingual Documents With Complex Layout And Content
(2008-01-17)A document image, beside text, may contain pictures, graphs, signatures, logos, barcodes, hand-drawn sketches and/or seals. Further, the text blocks in an image may be in Manhattan or any complex layout. Document Layout ... -
Bounds For Scheduling In Non-Identical Uniform Multiprocessor Systems
(2008-01-16)With multiprocessors and multicore processors becoming ubiquitous, focus has shifted from research on uniprocessors to that on multiprocessors. Results derived for the uniprocessor case unfortunately do not always directly ... -
Resonant Transition Topologies For Push-Pull And Half-Bridge DC-DC Converters
(2007-10-23)Switched mode power supplies (SMPS) are being extensively used in most power conversion processes. The analysis, design and modeling processes of hard-switched converters are mature, where the switching frequency was limited ... -
Study On Overmodulation Methods For PWM Inverter Fed AC Drives
(Indian Institute of Science, 2007-05-10)A voltage source inverter is commonly used to supply a variable frequency variable voltage to a three phase induction motor in a variable speed application. A suitable pulse width modulation (PWM) technique is employed to ... -
Adaptive Control Of A General Class Of Finite Dimensional Stable LTI Systems
(Indian Institute of Science, 2006-07-19)We consider the problem of Adaptive Control of finite-dimensional, stable, Linear Time Invariant (LTI) plants. Amongst such plants, the subclass regarding which an upper bound on the order is not known or which are known ... -
Synchronised Pulsewidth Modulation Strategies Based On Space Vector Approach For Induction Motor Drives
(Indian Institute of Science, 2005-08-30)In high power induction motor drives, the switching frequency of the inverter is quite low due to the high losses in the power devices. Real-time PWM strategies, which result in reduced harmonic distortion under low switching ...