Sökning: "Electrical machines"
Visar resultat 1 - 5 av 249 avhandlingar innehållade orden Electrical machines.
1. Iron Losses in Electrical Machines - Influence of Material Properties, Manufacturing Processes, and Inverter Operation
Sammanfattning : As the major electricity consumer, electrical machines play a key role for global energy savings. Machine manufacturers put considerable efforts into the development of more efficient electrical machines for loss reduction and higher power density achievements. LÄS MER
2. Heat-transfer simulations applied to electrical machines
Sammanfattning : Electrification and energy efficiency are two important aspects in present scenarios describing a sustainable future. Electric motors constitute a large fractionof industry’s electricity demand today, and it is expected to remain high inthe future. LÄS MER
3. Testing and Modelling of Electrical Traction Machines : Performance Characterisation with Measurements from Transient Operation
Sammanfattning : This thesis presents methods to derive and model the performance characteristics of interior permanent magnet machines – a machine type which is commonly used for propulsion of electrical vehicles. The thesis divides the performance characteristics into three subcategories: The electromagnetic properties, the loss profile and the thermal behaviour of the machines. LÄS MER
4. Thermal Analysis and Management of High-Performance Electrical Machines
Sammanfattning : This thesis deals with thermal management aspects of electric machinery used in high-performance applications with particular focus put on electric machines designed for hybrid electric vehicle applications.In the first part of this thesis, new thermal models of liquid (water and oil) cooled electric machines are proposed. LÄS MER
5. Optimum design of electrical machines
Sammanfattning : .... LÄS MER