Browsing by Advisor "Umanand, L"
Now showing items 1-20 of 33
-
Ballast-Free Variable-Speed Generation for Standalone and Grid-Connected Micro-Hydel Power Plants
(2017-12-12)Concerns about climate change brought about by the increasing usage of fossil fuels has made it imperative to develop sustainable energy usage based on renewable sources. Micro-hydel plants are an important source of ... -
Battery Buffered Stiff Micro Grid Structure For A Variable Speed Slip Ring Induction Machine Based Wind Generation System
(2010-04-12)Electric power has become a basic necessity of human life. The major share of electric power comes from fossil fuel which results in global warming and pollution. A share of generated power comes from nuclear power which ... -
Bond Graph Model Of A Generalised Multiphase Electromagnetic Device With Magnetic Non-idealities
(2013-09-04)The electromagnetic machines like the dc, induction, synchronous motor/generator and the transformer have an energy flow framework that is similar. All these machines deal with electrical energy in the electrical domain ... -
Composite Current Space Vector Based Powerline Communication (PLC) Method For Grid Connected Inverters In AC Microgrids
(2017-05-25)Power distribution facilities all over the world have been committed towards making the grids smarter in order to reduce the risks of grid failures and provide an affordable, reliable, and sustainable supply of electricity ... -
Computer Assisted Evaluation Of Student Performance In An Engineering Course
(2009-04-29)Increasing enrollment of students and declining availability of qualified and experienced faculty are leading to increased assessment loads of the existing faculty. Moreover, the assessment techniques are changing drastically ... -
Design and Development of Non-Intrusive Load Monitoring Techniques and Solar Photovoltaic-Thermoelectric Hybrid Energy Conversion Systems
Standalone Solar Photovoltaic (PV) Systems are deployed where access to the conventional Electric Grid is not present. It is necessary to extract most of the available power from the Solar PV modules as the supply is ... -
Development of Dual Converters with DC Circuit breaker for DC Distribution Systems
Solar energy is rapidly gaining popularity due to its sustainability, clean, and wide availability. Adopting solar energy on a global scale can pave the way for a greener and more sustainable world, aligning with the goals ... -
Energy-efficient Hardware and Algorithmic Techniques for Design of Low-power Intelligent Systems
Low-power design techniques involving hardware and algorithms framework are a fundamental challenge of the modern electronic system. The internet connects devices (IoTs) with advanced capabilities in sensing and processing ... -
Flux Rate Controlled Harmonic Filtering of Integrated Magnetic-Based Isolated-Inverter Topologies and Dynamically Variable Inductors
An intermediate filtering stage is mandatory to deliver smooth sinusoidal output voltage across the load. Several multilevel and modular multilevel-based inverter topologies are reported in the literature to reduce the ... -
Grid Interactive Quality AC Power Supply With Switching Arm Based Integrated Magnetics For Dynamically Controlled Interconnection Among Multiple Sources And Loads
(2013-09-17)The extensive use of nonlinear loads in today’s world has inspired considerable research interest in the area of power quality improvement. This thesis proposes an integrated magnetics based compact solution which provides ... -
High Performance Hybrid Drive for Induction Motor Using Transient Angle Estimation and Control
Induction motors are widely used in industry because of their ruggedness, higher power/ weight ratio and low maintenance. The development of variable frequency drives for induction motors have resulted in higher performance. ... -
Integrated Magnetics Based DC-DC Converter Topologies For A DC Micro-Grid
(2014-05-09)In the present day, owing to the increasing number of electronic loads such as computer power supplies, Compact fluorescent lamps (CFL) and the increasing number of sources such as solar photovoltaics, fuel cells (DC ... -
An Investigation into the Ancillaries, Parallel Operation of Machines with Voltage Source Inverters, and Development of Switched Capacitor Converters for a Microgrid
With the increase in energy demand worldwide, there is a push towards integrating distributed generation (DG) in parallel with the utility grid at the distribution level. The DGs are integrated into the electrical network ... -
An Investigation on Development of Novel Switched Capacitor Converter Topologies with Reduced Ratings for DC-AC & DC-DC Power Conversion
Switched Mode Power Converters (SMPCs), which utilize switches and passive components, are the standard for energy conversion in medium and high-power applications. These converters can be classified as isolated or ... -
Investigations into Extending the Linear Modulation Range of Hybrid Three-Level and Five-Level Inverters for Variable Speed Drive Applications
Multilevel inverters (MLIs) are highly sought after for medium to high voltage applications, such as traction drives, fans, blowers, HVDC, and FACTS. These inverters provide numerous benefits over conventional two-level ... -
Investigations on Capacitor Size Reduction and PWM Strategy for Multilevel Polygonal Space Vector Structure for Induction Motor Drives
Multilevel voltage source inverter transformed conversion of DC to AC for medium to high power application. With increasing electric power demand, the multilevel converter allows high power density converters for medium ... -
Investigations on Dynamics and Control of a Rimless Wheel Based 2D Dynamics Walker using Pulsed Torque Actuation
(2018-05-10)Wheeled systems are energy efficient on prepared surfaces like roads and tracks. Legged systems are capable of traversing different terrains but can be lossy. At low speeds and on off-road surfaces, legged systems using ... -
Investigations on Extending the Linear Modulation Range of Multilevel Inverter Fed Induction Motor Drives
Multilevel inverter topologies find extensive industrial and automobile applications due to their utilization of lower voltage-rated switches and enhanced harmonic performance. Incorporating Pulse Width Modulation (PWM) ... -
Investigations on Generation of 30-Sided Polygonal Voltage Space Vector Structures Using a Single DC-link for Induction Motor Drives
A conventional 2-level inverter is the most prevalent DC-AC converter used to drive an induction motor. A conventional 2-level inverter produces a hexagonal voltage space vector structure. To extract maximum voltage from ...