Essays about: "Elkraftteknik"
Showing result 1 - 5 of 47 essays containing the word Elkraftteknik.
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1. Dynamic Control, Modeling and Sizing of Hybrid Power Plants : Investigating the optimum usage of energy storage for Fortum’s hydropower
University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)Abstract : The rapidly evolving Nordic Power System demands enhanced flexibility and robustness in electricity production. The traditional role of hydropower plants in regulating the grid frequency has been challenged by new criteria for dynamic stability, which some units struggle to meet due to their relatively poor dynamic performance. READ MORE
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2. Pumped-Storage Hydroelectricity for a Sustainable Electricity Transition
University essay from KTH/Numerisk analys, NAAbstract : This master thesis explores the application of Pumped-Storage Hydroelectricity (PSH) within an electricity market characterised by a substantial share of renewable and intermittent electricity production. The purpose of PSH is to enhance the alignment of supply with demand by storing energy at electricity surplus and releasing it during shortage. READ MORE
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3. SAVINGS OF MATERIAL RESOURCES AND CARBON EMISSIONS WHEN CONVERTING FOSSIL FUEL CAR TO ELECTRIC : A CASE STUDY FOR SWEDEN
University essay from KTH/Integrated Transport Research Lab, ITRL; KTH/ElkraftteknikAbstract : Transportation in Sweden currently accounts for one-third of domestic GHG emissions. Thereof more than 90 % are allocated to road traffic with passenger cars being the largest contributor. Hence, the Swedish government adopted stringent climate policies to cut transport emissionsby 70 % (compared to 2010) latest until 2030. READ MORE
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4. Design and performance comparison of Two-level and Multilevel Converters for HVDC Applications
University essay fromAbstract : The purpose of this thesis is to compare a two-level and a multilevel converter for HVDC substation. For this study, both topologies were designed with different modulation strategies and compared on the basis of size, power losses and impact on power quality. READ MORE
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5. Potential of electrical building heating as thermal energy storage in Sweden
University essay from KTH/Skolan för industriell teknik och management (ITM)Abstract : The purpose of this Master thesis is to investigate the potential of using electricity based building heating as thermal energy storage in Sweden and its applications. Building data and statistics along with literature were the basis for data collection and processing. READ MORE