Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 29 for “"Power Electronics Converters"”.
-
Insulation-Constrained Design of Power Electronics Converters and DC Circuit Breakers
Advancements in power semiconductor and power converter technology have enabled new low-voltage (LV) and medium-voltage (MV) direct current (DC) distribution systems for a variety of applications. Power electronics converters and DC circuit breakers (DCCBs) are the key components of a DC system and …
-
Identification of small-signal dq impedances of power electronics converters via single-phase wide-bandwidth injection
AC and DC impedances of switching power converters are used for the stability analysis of modern power electronics systems at three-phase AC and single-phase DC interfaces. Therefore, a small-signal characterization algorithm for switching power converter, which is based on FFT, will be presented …
-
Control Strategies for Minimizing the DC-Link Capacitance in Power Electronics Converters for Aircraft Electrical Power Systems
In more electric aircraft (MEA), the electrical power system (EPS) consists of AC and DC power distribution systems to deliver power to various aircraft loads. In main power generation, variable frequency generators (VFGs) generate VF AC supply (380-800Hz 115/230V) to feed frequency insensitive …
-
Modeling and Control of Voltage-Controlling Converters for Enhanced Operation of Multi-Source Power Systems
The unconventional improvements in the power electronics field have been the primary reason for massive deployment of renewable energy sources in the electrical power grid over the past several decades. This needed trend, together with the increasing penetration of micro-, and nano- grids, is …
-
High-Efficiency and High-Power Density DC-DC Power Conversion Using Wide Bandgap Devices for Modular Photovoltaic Applications
With the development of solar energy, power conversion systems responsible for energy delivering from photovoltaic (PV) modules to ac or dc grid attract wide attentions and have significantly increased installations worldwide. Modular power conversion system has the highest efficiency of maximum …
-
Form-Factor-Constrained, High Power Density, Extreme Efficiency and Modular Power Converters
Enhancing performance of power electronics converters has always been an interesting topic in the power electronics community. Over the years, researchers and engineers are developing new high performance component, novel converter topologies, smart control methods and optimal design procedures to …
-
Development of back-to-back converter with power transfer control using raspberry Pi
It is undeniable that power electronic plays importance role in development of modern technologies. With the aid of power electronics converters its able to manipulate source of power depends on its application. Rapid developments of power electronic device with integration of wide range of …
-
Computer-Aided Formulation of Magnetic Pastes for Magnetic Components in Power Electronics
Magnetic components are necessary for switch-mode power electronics converters, but they are often the bulkiest and heaviest in the system. Novel magnetic designs with intricate structures lead to the size reduction of power electronics converters but pose challenges to the fabrication process and …
-
Use of SIMO Converstion for Optimizing LED Light Drivers
… the LED lighting market away from traditional power electronics converters and towards solutions that are more unconventional. Lower quality LED lights use simple low-cost converters, whereas high end product may add complexity in order to achieve a more dramatic energy savings. SIMO technology …
-
Advanced control techniques for modern inertia based inverters
… of renewable energy sources (RESs) into the power grid has led to the increase in the penetration of fast-responding inertia-less power converters. The increase in the penetration of these power electronics converters changes the nature of the conventional grid, in which the existing kinetic …
-
Design of 1.7 kV SiC MOSFET Switching-Cells for Integrated Power Electronics Building Block (iPEBB)
The need for high-density power electronics converters becomes more critical by the day as energy consumption continues to grow across the world. Specifically, the need for medium-voltage (MV) high-density converters in power distribution systems, electric ships, and airplanes become more critical …
-
Design of High-density Transformers for High-frequency High-power Converters
… goal of all technological development. If the power density of power electronics converters can be analogized to the data density of IC's, then power density is a critical indicator and inherent driving force to the development of power electronics. Increasing the power density while reducing …
-
Evaluation and Development of Medium-Voltage Converters Using 3.3 kV SiC MOSFETs for EV Charging Application
… enabling the realization of superior power conversion systems. Among the potential areas of advancement are medium-voltage (MV) and high-voltage (HV) applications, due to the growing demand for high-power-density and high-efficiency power electronics converters. These advancements have …
-
Power electronics solutions for uninterrupted power supply and grid-tie inverters
… proposes two new topologies for Uninterrupted Power Supply (UPS), and a grid-tie microinverter. The first topic will discuss an on-line transformerless UPS system based on the integrated power electronics converters that is able to control the input power factor, charge the battery, and …
-
Shape and Topology Optimization for electro-mechanical energy converters
… high-efficiency electro-me- chanical energy converters, in particular electrical rotating machines, at the lowest possible cost. The use of modern power electronics converters at all levels of elec- trical power applications, involves, on the other hand, switching components with very low …
-
A High-efficiency Isolated Hybrid Series Resonant Microconverter for Photovoltaic Applications
… recently. One of the PV installations is the power conditioning system which is to convert the maximum available power output of the PV modules to the utility grid. Single-phase microinverters are commonly used to integrate the power to utility grid in modular power conditioning system. In the …
-
Efficient operation of variable-pole induction machines and drives
… conventional cars and reduce emissions. High power density, high efficiency, inexpensive drivetrains operating over a wide torque/speed range are critical for EVs. Most modern EVs use permanent magnet (PM) motors which rely on rare-earth material to achieve high energy efficiency. However, …
-
Design verification of power electronics systems subject to bounded uncertain inputs
… a new methodology for design verification of power electronics systems subject to bounded uncertain inputs. In this method, the power electronics system, which consists of the power electronics converter circuit and the associated controller, is described by a switched-linear state-space …
-
D-Q Frame Impedance Based Small-signal Stability Analysis of PV Inverters in Distribution Grids
With development of renewable energies worldwide, power system is seeing higher penetration of Utility-scale photovoltaic (PV) farms at distributed level as well as transmission level. Power electronics converters present negative incremental impedance characteristics at their input while under …
-
High-Frequency Design Consideration and EMI Mitigation in SiC-based Multilevel Converters
Medium Voltage (MV) power conversion systems are essential in high power applications to address the increasing demand of energy and the increasing penetration of renewable energy sources. MV power electronics converters are the key elements for power conversion in MV systems and are the focus of …
Page 1 of 2