Search for dissertations about: "Tröghet"
Showing result 1 - 5 of 18 swedish dissertations containing the word Tröghet.
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1. Inertia and practice change related to greenhouse gas reduction : Essays on institutional entrepreneurship and translation in Swedish agri-food
Abstract : To avoid dangerous climate change a massive reduction in greenhouse gas emissions is required in a relative short time span. However, as development is moving in the wrong direction, there appears to be great inertia in changing activities. READ MORE
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2. Multiple Imaginaries of the Fossil Fuel Free Future : Biogas and Electricity in Swedish Urban Transport
Abstract : I kölvattnet av klimatkrisen har det blivit allt tydligare att det fossilbaserade transportsystemet måste genomgå en global omvandling. Många alternativ för förnyelsebara drivmedel har föreslagits, alla omgivna av föreställningar om hur dessa tekniker kommer att bidra till en bättre framtid. READ MORE
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3. Friction and temperature characteristics of wet clutch engagement
Abstract : För att erhålla mjukare växlingsförlopp och samtidigt få lång livslängd på våta kopplingar i automatväxellådor krävs förbättrad konstruktion. För att förbättra konstruktionen behövs mer kunskap om inkopplingsförloppet av våta kopplingar. En testrigg för att undersöka inkopplingsförloppet har byggts. READ MORE
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4. Coordinated Frequency Control Using DC Interconnections Between AC Systems : Utilizing Fast Frequency Support through HVDC Links and Evaluating the Newly Uncovered Dynamics in Low-Inertia Power Systems
Abstract : Transmission system operators are increasingly adopting renewable energy sources in response to the escalating need to reduce environmental pollution. However, renewable energy sources, like wind and solar power, connect to the grid through power electronics, offering no inherent inertia. READ MORE
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5. On Modeling and Stability Analysis of Grid-Connected Voltage Source Converters
Abstract : With increasing deployment of voltage source converters (VSCs) in the grid, instability phenomena due to converter--grid interactions have been observed. Modeling and stability analysis of grid-connected VSCs have become popular research topics. READ MORE