Electrical Engineering (EE): Recent submissions
Now showing items 141-160 of 351
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Control Strategies for Seamless Transition between Grid Connected and Islanded Modes in Microgrids
(2018-06-14)The popularity of distributed generating (DG) sources have been increasing over the past few years. With the increasing penetration of these DGs, the concept of micro grid is becoming popular. A micro grid is a small power ... -
Developmental Studies on Ultra Wide Band Type High Power Electromagnetic Radiating System for Use as an Intentional Electromagnetic Interference Source
(2018-06-13)The electronic control, instrumentation and communication hardware is becoming more and more compact and faster in operation due to the increased use of large scale integration of semiconductor devices operating at higher ... -
Low Switching Frequency Pulse Width Modulation for Induction Motor Drives
(2018-06-11)Induction motor (IM) drives are employed in a wide range of industries due to low maintenance, improved efficiency and low emissions. Industrial installations of high-power IM drives rated up to 30 MW have been reported. ... -
Active Power Flow Tracing for Preventive Control in Deregulated Power Systems
(2018-05-29)Modern day power systems present an open access environment, inspiring participation from small scale and large power suppliers. With multiple players in the system driven by the market, proper monitoring and control of ... -
Design and Analysis of Real-time Message Scheduling under FlexRay Protocol
(2018-05-29)A typical automobile system consists of many Electronic Control Units (ECUs) for the purposes of safety, comfort, and entertainment applications. FlexRay is a high bandwidth protocol for such automotive requirements, which ... -
Real Time Face Recognition on GPU using OPENCL
(2018-05-23)Face recognition finds various applications in surveillance, Law enforcement etc. These applications require fast image processing in real time. Modern GPUs have evolved fully programmable parallel stream processors. The ... -
Behavior of Distance Relay Characteristics on Interconnecting Lines Fed From Wind Farms
(2018-05-14)Distance relays due to their selectivity and operating speed are used in HV/EHV line protection. The dynamic nature of Mho characteristic, which happens to be most primitive technique in line protection implemented with ... -
Efficient Design of Embedded Data Acquisition Systems Based on Smart Sampling
(2018-05-10)Data acquisition from multiple analog channels is an important function in many embedded devices used in avionics, medical electronics, robotics and space applications. It is desirable to engineer these systems to reduce ... -
Lightning Threat to Cables on Tall Towers and the Question of Electrical Isolation
(2018-04-23)Electromagnetic effects of lightning currents during a direct hit to tall communication towers, other instrumented towers and chimneys can be hazardous to associated cables, as well as, electrical and electronics systems. ... -
Operation of Three Phase Four Wire Grid Connected VSI Under Non-Ideal Conditions
(2018-04-12)The necessity to incorporate renewable energy systems into existing electric power grid and need of efficient utilization of electrical energy are growing every day. A shunt connected Voltage Source Inverter(VSI) capable ... -
Reactive Power Co-ordination in Grid Connected Wind Farms for Voltage Stability Enchancement
(2018-04-05)Recent decades have witnessed a significant increment in power contribution from wind generators. This increment in penetration requires power engineers to tackle multi-fold challenges concerning operational and stability ... -
Generalized Analytic Signal Construction and Modulation Analysis
(2018-04-02)This thesis deals with generalizations of the analytic signal (AS) construction proposed by Gabor. Functional extensions of the fractional Hilbert Transform (FrHT) are proposed using which families of analytic signals are ... -
Control, Modulation and Testing of High-Power Pulse Width Modulated Converters
(2018-04-02)Experimental research on high-power converters, particularly in an academic environment, faces severe infrastructural constraints. Usually, power source and loads of required ratings are not available. Further, more ... -
Optimum Savitzky-Golay Filtering for Signal Estimation
(2018-03-21)Motivated by the classic works of Charles M. Stein, we focus on developing risk-estimation frameworks for denoising problems in both one-and two-dimensions. We assume a standard additive noise model, and formulate the ... -
Hall-Effect Current Sensors for Power Electronic Applications : Design and Performance Validation
(2018-03-09)Closed loop Hall-effect current sensors used in power electronic applications require high bandwidth and small transient errors. For this, the behaviour of a closed loop Hall-e ect current sensor is modeled. Analytical ... -
Studies on Electrical Treeing in High Voltage Insulation Filled with Nano-Sized Particles
(2018-03-08)Polymers are widely used as insulating materials in high voltage power apparatus because of their excellent electrical insulating properties and good thermomechanical behavior. However, under high electrical stress, polymeric ... -
Transient Analysis of EHV/UHV Transmission Systems for Improved Protection Schemes
(2018-03-07)Ever increasing demand for electricity, exploitation of large hydro and nuclear power at remote location has led to power evacuation by long EHV/UHV transmission systems. This thesis concentrates on transient analysis of ... -
Supervised Learning of Piecewise Linear Models
(2018-03-07)Supervised learning of piecewise linear models is a well studied problem in machine learning community. The key idea in piecewise linear modeling is to properly partition the input space and learn a linear model for every ... -
A Networked Control Systems Framework for Smart Grids with Integrated Communication
(2018-02-28)Over the last decade, power systems have evolved dramatically around the world, owing to higher demand, stringent requirements on quality and environmental concerns that are becoming increasingly critical. With the ... -
Study on Pulsewidth Modulation Techniques for a Neutral-Point-Clamped Voltage Source Inverter
(2018-02-23)Neutral-point-clamped (NPC) three-level inverter is capable of handling higher dc bus voltage and producing output waveform of better quality than a conventional two-level inverter. The main objective of the present work ...