Search for dissertations about: "eccentricity"
Showing result 1 - 5 of 39 swedish dissertations containing the word eccentricity.
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1. Improved performance characteristics of induction machines with non-skewed symmetrical rotor slots
Abstract : Induction machines convert more than 55% of electrical energy into various other forms in industrial and domestic environments. Improved performance, especially by reduction of losses in induction machines hence can significantly reduce consumption of electricity. READ MORE
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2. Structural Behavior of Reinforced High-Strength Concrete Columns
Abstract : The high compressive strength of high-strength concrete is especially advantageous in compressed members such as columns, which can be made more slender and, consequently, make economic benefits possible. However, the behavior of high-strength concrete columns is not yet fully understood. READ MORE
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3. Hydrodynamic analysis of elastomeric lip seals
Abstract : .... READ MORE
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4. Analysis and control of magnetic forces in synchronous machines
Abstract : In a synchronous machine, radial, tangential, and axial forces are generated. In this thesis, three different technologies to control them are proposed. The first one, involves the utilization of the radial forces that arise between the rotor and the stator. READ MORE
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5. Measurement and modelling of unbalanced magnetic pull in hydropower generators
Abstract : Hydropower research is often perceived to be an old and exhausted field of study but with ageing equipment and the need for more intermittent operation caused by an increased share of other renewable energy sources new challenges lie ahead.The main focus of this dissertation are the electromagnetic forces resulting from nonuniform air gap flux, whether it be caused by rotor eccentricity or a faulty field winding. READ MORE