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 594 for “"power electronics"”.
-
Power Electronics System Communications
… communication issues in high-frequency power converters. A novel control communication network (Power Electronics System Network or PES Net) is proposed for modular, medium and high-power, converters. The network protocol, hardware and software are designed and implemented. The PES Net …
-
Electric-thermal modelling of power electronics components
Electro-thermal modelling of power electronics system is considered to be one of the most important design techniques for the development of compact and high-power density power electronics systems for the future. For handling inevitable heat generation due to non-ideal nature of components both …
-
Cybersecurity Methods for Grid-Connected Power Electronics
… prototype, collectively called the Cybersecure Power Router. Consideration is given to the use of the Smart Green Power Node for a foundation of the present work. Metrics for controller security are investigated to evaluate firmware security techniques. The prototype's ability to mitigate, …
-
Dynamic temperature estimation of power electronics systems
… temperature estimation of thermally-aware power electronics systems. The duality between electrical systems and thermal systems was considered for thermal modeling. High dimensional thermal models present a challenge for online estimation. RC (resistor-capacitor) circuits that create a …
-
Gallium Nitride Power Electronics using Machine Learning
Gallium Nitride (GaN) power devices have the potential to jump-start the next generation of power converters which are smaller, faster, denser, and cheaper. They are thus expected to meet the increasing 21st Century need for power density and efficiency, while at the same time reducing pollution. …
-
(MEMS) toroidal magnetics for integrated power electronics
Power electronics represent a key technology for improving the functionality and performance, and reducing the energy consumption of many systems. However, the size, cost, and performance constraints of conventional power electronics currently limit their use. This is especially true in relatively …
-
Communication and Control in Power Electronics Systems
… of a modern way of life have changed the way power electronics systems work. For instance, the grid has to provide not only the service of delivering electrical energy but also the communication to enable interactions between customers and enable them to be producers of electrical energy, too. …
-
Investigation of inductive components for power electronics applications
L'abstract è presente nell'allegato / the abstract is in the attachment
-
Advanced power electronics for the aircraft electrification challenge
… de potencia del avión (on-board electric power system, EPS), esto se debe a que la potencia manejada pasa de unos cientos de kW a decenas de MW. Esta tesis doctoral presenta un amplio debate sobre los cambios fundamentales que implica la electrificación de los aviones comerciales y las …
-
Application of power electronics to the distribution transformer
… dictated by the load currents. This can cause power quality problems for both the source and the load. Conventional distribution transformers also have inherent voltage drop which increases with load. Replacement of conventional distribution transformers with solid-state devices could provide …
-
Power Electronics Meet Piezoelectrics: Converters, Components, and Miniaturization
… converters and controllers of electrical energy, power electronics are the lifeblood of many exciting emerging technologies in transportation, manufacturing, information technology, and more. However, while integrated circuits have seen miniaturization and expanded performance characterized by …
-
Value chain concept for power electronics based products
… energy, general decentralization of generating power and a high degree of automation may trigger a technological change in grid infrastructure, away from electromechanical products and towards more flexible power electronics based products. Maschinenfabrik Reinhausen (MR), a premium manufacturer …
-
Surface transfer doping of diamond for power electronics
… a suitable wide-bandgap semiconductor for high-power and high-frequency applications is well motivated; wide-bandgap semiconductors generally exhibit a high breakdown field and can therefore support a high voltage over short distances. Diamond (Bandgap of 5.5 eV) in particular is an attractive …
-
Describing Integrated Power Electronics Modules using STEP AP210
The software environment for power electronics design is comprised of tools that address many interrelated disciplines including circuits design, physical layout, thermal management, structural mechanics, and electromagnetics. This usually results in a number of separate models that provide various …
-
Stability analysis of large-scale power electronics systems
… the large-signal stability of interconnected power electronics systems. The approach consists of decoupling the system into a source subsystem and a load subsystem, and stability of the entire system can be analyzed based on investigating the feedback loop formed by the interconnected …
-
Condition Monitoring of Electrolytic Capacitors for Power Electronics Applications
… monitoring of electrolytic capacitors used in power electronics circuits. The construction process of an electrolytic capacitor is presented. Descriptions of various kinds of faults that can occur in an electrolytic capacitor are discussed. The methods available to detect electrolytic capacitor …
-
Miniaturization, Packaging, and Thermal Analysis of Power Electronics Modules
High power circuits, those involving high levels of voltages and currents to produce several kilowatts of power, would possess an optimized efficiency when driven at high frequencies (on the order of MHz). Such an approach would greatly reduce the size of capacitive and magnetic components, and …
-
Reduced-order modeling of power electronics components and systems
… modeling fidelity and simulation speed in power electronics. Higher-order effects are considered at the component and system levels. Order-reduction techniques are applied to provide insight into accurate, computationally efficient component-level (via reduced-order physics-based model) and …
-
Diamond power electronics for the next generation electric grid
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-05-01
-
Magnetic machines and power electronics for power MEMS applications
… permanent-magnet (PM) generators, and their power electronics, for use in Watt-level Power MEMS applications such as a microscale gas turbine engine. The generators are three-phase, axial-flux, synchronous machines, comprising a rotor with an annular PM and ferromagnetic core, and a stator …
Page 1 of 30