Browsing Institutt for elkraftteknikk by Title
Now showing items 1112-1131 of 2419
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Improved SiC MOSFET SPICE model to avoid convergence errors
(Peer reviewed; Journal article, 2020)This paper presents improvements to a SPICE model for a commercially available SiC MOSFET to avoid convergence errors while still providing reliable simulation results. Functionality in the internal part of the model that ... -
Improved Version of Energy Efficient Motor for Shell Eco Marathon: Half Weight with Higher Efficiency
(Master thesis, 2011)The goal of the thesis is to analyze an existing Axial Flux Permanent Magnet motor used for Shell Eco Marathon from the Norwegian University of Science and Technology (NTNU). The existing machine has been analysed and ... -
Improved Zone 1 Top-line Tilting Scheme for Polygonal Distance Protection in the Outgoing Line of Type-4 Wind Parks
(Journal article; Peer reviewed, 2023) -
Improvement of power supply reliability: Case Study: Zambia
(Master thesis, 2009)This thesis studied reliability of power supply in Zambia following two major power blackouts that affected the whole country. The case study focussed on the generation and transmission network owned by Zambia s biggest ... -
Improvements in protection of medium voltage resonant grounded networks with distributed sources
(Doctoral theses at NTNU;2018:386, Doctoral thesis, 2018)The increasing penetration of distributed generation into medium voltage networks creates challenges for traditional protective schemes developed for conventional radial systems with unidirectional power flows. Moreover, ... -
Improving automatic reclosing logic "Kongik-Jord" in compensated systems
(Bachelor thesis, 2020)På grunn av den økende etterspørselen etter elektrisk energi blir det stadig viktigere at kraftnettet er stabilt og driftssikkert. For å holde kraftnettet driftssikkert må alle innretninger fungere optimalt. En av disse ... -
Improving distribution transformer reliability in micro grids with distributed generation
(Chapter, 2022)This paper considers a simplified microgrid derived from the CIGRE benchmark, and investigates the impact of harmonic loading of the distribution transformer on its reliability. As a means to alleviate the considerable ... -
Improving electric power generation of a standalone wave energy converter via optimal electric load control
(Peer reviewed; Journal article, 2020)This paper aims to investigate electric dynamics and improve electric power generation of an isolated wave energy converter that uses a linear permanent magnet generator as the power take-off system, excited by regular or ... -
Improving Small-Signal Stability of an MMC with CCSC by Control of the Internally Stored Energy
(Journal article; Peer reviewed, 2017)The DC-side dynamics of Modular Multilevel Converters (MMCs) can be prone to poorly damped oscillations or stability problems when the second harmonic components of the arm currents are mitigated by a Circulating Current ... -
Improving Stability of Ghana's Power System Using Power System Stabiliser (PSS)
(Master thesis, 2009) -
Improving Stability of Ghana's Power System Using Power System Stabiliser(PSS)
(Master thesis, 2009)Stability of a power system is vital for its reliable operation and maintaining system stability has been a big challenge for engineers over the years. One way of improving system stability is the use of power system ... -
Improving Traceability of Wind Turbine Drive Train Component Failure Rates Through Information Model Mapping and Failure Rate Estimation
(Master thesis, 2021)Wind Energy’s presence continues to increase as the world puts focus into transitioning to cleaner energy sources. As with any energy generation method, maintaining the lowest LCOE is essential. Operations and Maintenance ... -
Improving wind power market value with various aspects of diversification
(Chapter, 2023)The wind generation share in many European bidding zones is now large enough to affect the market value of wind power, and wind energy is getting less-than-average market price in day-ahead markets. As alternatives to ... -
Impuls holdfasthet til polymerfolier ved påkjenning av DC-spenning med overlagret lynimpuls
(Master thesis, 2022)Polymerkabler har i lang tid vært brukt ved HVAC-energidistribusjon. Særlig XLPE har vært et foretrukket valg av isolasjonsmateriale siden det har gode elektriske og mekaniske kvaliteter, er pålitelig og har lave ... -
Incorporating Demand Side Response in Power System Adequacy Studies
(Master thesis, 2019)Formålet med denne avhandlingen er å innlemme forbrukerfleksibilitet i pålitelighetsstudier for kraftsystemet. I disse dager opplever kraftsystemet endringer som kan svekke leveringspåliteligheten. Som et resultat av økende ... -
Incorporating power market scenarios in the adequacy assessment of the Norwegian power system
(Journal article, 2013)In reliability assessment of deregulated systems, the power market behaviour should be included in the analysis. A way of incorporating power market analysis in generation adequacy assessment is presented and discussed. ... -
Incorporation of Power Flow Descriptions in an Optimization Model for Multinational Transmission Expansion Planning - A Comparative Analysis of Power Flow Modeling Using NTCs and PTDFs
(Master thesis, 2016)Multinational transmission expansion planning (TEP), i.e. investments in cross-border electric power exchange capacity, is an important step towards achieving the ambitious decarbonization targets for the energy sector ... -
Indikatorer for sårbarhet og leveringspålitelighet i kraftnett
(Master thesis, 2013)Det er et behov for å overvåke sårbarhet i kraftnett. Indikatorer kan benyttes til dette formålet, og det skilles mellom såkalte lagging- og leading indikatorer. Lagging sårbarhetsindikatorer beskriver sårbarheten i ... -
Inductive Power Transfer with Resonance for Wireless Charging of Batteries in Electric Vehicles
(Master thesis, 2010)This report investigates inductive power transfer with resonance for wireless charging of electric vehicle (EV) batteries. The inspiration for the topic came from the paper Basic experimental study on helical antennas of ...