Search for dissertations about: "power electronics for a permanent magnet"
Showing result 1 - 5 of 11 swedish dissertations containing the words power electronics for a permanent magnet.
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1. Component and system design of a mild hybrid 48 V powertrain for a light vehicle
Abstract : This thesis presents contributions in three areas relevant for the development of 48 V mild hybrid electric powertrains for cars. The first part comprises methodologies and extensive testing of lithium-ion battery cells in order to establish the electric and thermal performance using equivalent circuit models. READ MORE
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2. Demagnetization and Fault Simulations of Permanent Magnet Generators
Abstract : Permanent magnets are today widely used in electrical machines of all sorts. With their increase in popularity, the amount of research has increased as well. In the wind power project at Uppsala University permanent magnet synchronous generators have been studied for over a decade. READ MORE
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3. Main-circuit considerations of power coverters for integral motors
Abstract : This thesis deals with different converter topologies for a 15kW permanent magnet (PM) integral motor. An integral motor combines the motor and the power electronics in one unit. The main objective is to find suitable converter alternatives for an integral motor. READ MORE
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4. Improving the functionality of synchronous machines using power electronics
Abstract : With the advent of modern power electronics there is reason to explore what can be achieved when it is applied to a mature technology like synchronous machines. In this text several concepts will be presented on how it is possible to control forces and how to get better performance out of synchronous machines by using power electronics. READ MORE
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5. Ocean Wave Energy : Underwater Substation System for Wave Energy Converters
Abstract : This thesis deals with a system for operation of directly driven offshore wave energy converters. The work that has been carried out includes laboratory testing of a permanent magnet linear generator, wave energy converter mechanical design and offshore testing, and finally design, implementation, and offshore testing of an underwater collector substation. READ MORE