Search for dissertations about: "rotational losses"
Showing result 1 - 5 of 20 swedish dissertations containing the words rotational losses.
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1. Modeling of losses in power transformers from dc to the low kilohertz range
Abstract : The development of HVDC converters, local generation and tractions systems increases the demand for power converters. While a lot of studies have been conducted on the power electronics, there are still open questions concerning the contained power transformer that operates at a few kilohertz. READ MORE
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2. Experimental Study on Truck Related Power Losses: The Churning Losses in a Transmission Model and Active Flow Control at an A-pillar of Generic Truck Cabin Model
Abstract : The fight with global warming constantly forces vehicle manufacturers to innovate, in order to be able to reduce the CO2 emissions of their product. This means that marginal efficiency gains in every component are considered beneficial for total reduction of CO2 emissions. READ MORE
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3. Electromagnetic Analysis of Hydroelectric Generators
Abstract : Hydropower maintains its position as the most important source of renewable electric energy in the world. The efficiency of large hydropower plants is unsurpassed, and after more than hundred years of development, the technology is mature and highly reliable. READ MORE
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4. Rotational Electromagnetic Energy Harvesting Through Variable Reluctance
Abstract : Rotating components are found in a majority of modern industrial applications.As key parts for machinery operations, rotating components need tobe monitored in order to detect and prevent machine failures. READ MORE
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5. Development of Dual-broadband Rotational CARS for Combustion Diagnostics
Abstract : The present thesis concerns development and application of dual-broadband rotational coherent anti-Stokes Raman spectroscopy (DB-RCARS) for temperature and species concentration measurements in combustion processes. Both fundamental development of the technique, including experimental as well as modelling results, and measurements in practical combustion devices were conducted. READ MORE