Blar i Institutt for elkraftteknikk på tittel
Viser treff 1963-1982 av 2500
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Resynchronization of Distributed Generation based on the Universal Droop Controller for Seamless Transfer Between Operation Modes
(Journal article; Peer reviewed, 2019)Distributed generation (DG) inverters can operate in the islanded mode and the grid-connected mode. When these DG inverters operate in the islanded mode, they often form a microgrid. The magnitude and phase of the main ... -
Retrofit Design Space Investigation of Permanent Magnet Propulsion Motors for Electrified Turboprop Regional Aircraft
(Chapter, 2022)The following paper examines existing turboprop regional aircraft and their required motor performance to determine the characteristics of PMSMs designed for full propulsion electrification. First, aircraft data are compiled ... -
Reversible hydro power plants
(Master thesis, 2013)Bearing in mind the future development of the electric power system regarding the penetration of large amounts of intermittent and non-dispatchable renewable sources, energy storage is a key issue. Even though reversible ... -
Reversible magnetically geared machine
(Master thesis, 2017)Magnetic gears have gained increasing interest over the past few years for replacing mechanical gears in different applications. With no contacting parts, the magnetic gear eliminates typical problems with friction, ... -
Reversible magnetically geared machine
(Master thesis, 2017)Magnetic gears have gained increasing interest over the past few years for replacing mechanical gears in different applications. With no contacting parts, the magnetic gear eliminates typical problems with friction, ... -
Review of control strategies for wave energy conversion systems and their validation: the wave-to-wire approach
(Journal article; Peer reviewed, 2018)Ocean waves are a promising source of renewable energy. In this paper, we briefly introduce the characteristics of ocean wave energy and summarize the principles of harvesting ocean energy by wave energy converters. We ... -
Review of Current control strategies in Modular Multilevel Converter
(Master thesis, 2016)With the rapid development of offshore wind farms, the demand for high power, high quality transmission system becomes more urgent. Modular Multilevel converter (MMC) based high voltage direct voltage (HVDC) technology ... -
Review of Guidelines for PV Systems Performance and Degradations Monitoring
(Journal article, 2018)The recent growth in the PV system deployment and the higher scale of their production make it necessary to pay more attention towards the performance of those systems. System monitoring will provide the status of the ... -
A Review of Machine Learning-Based Photovoltaic Output Power Forecasting: Nordic Context
(Peer reviewed; Journal article, 2022)Motivated by factors such as the reduction in cost and the need for a shift towards achieving UN’s Sustainable Development Goals, PV (Photovoltaic) power generation is getting more attention in the cold regions of the ... -
Review of Partial Discharge and Dielectric Loss Tests for Hydropower Generator Bars
(Journal article; Peer reviewed, 2017)Condition assessment of hydropower generators is important to ensure high serviceability of power stations. Many of the in-service generators are old and current load operation schemes demands more than the design load, ... -
Review of Water Treeing in Polymeric Insulated Cables
(Peer reviewed; Journal article, 2022)Since discovering the water treeing phenomenon (WT) in polymeric cables in the early 1970s, water treeing has been presumed to be the main cable degradation mechanism for polymeric cables and has been extensively researched ... -
Review of wind generation within adequacy calculations and capacity markets for different power systems
(Journal article; Peer reviewed, 2019)The integration of renewable energy sources, including wind power, in the adequacy assessment of electricity generation capacity becomes increasingly important as renewable energy generation increases in volume and replaces ... -
Revolve NTNU - Electric Race car: Investigation of Characteristics, Cycle life and Safety Regarding Lithium-ion Battery Cells
(Master thesis, 2016)Revolve NTNU is a student organization representing NTNU in the largest student engineering competition in the world, Formula Student. For the 2016 Revolve NTNU project, the team has developed and built the first four-wheel ... -
A rich dataset of hourly residential electricity consumption data and survey answers from the iFlex dynamic pricing experiment
(Peer reviewed; Journal article, 2023)The iFlex field experiment was conducted to understand if and how households change their power consumption in response to variable hourly electricity prices. This experiment was conducted in several Norwegian regions, and ... -
Risk Analysis for Decision Support in Electricity Distribution System Asset Management: Methods and frameworks for analysing intangible risks
(Doktoravhandlinger ved NTNU, 1503-8181; 2010:54, Doctoral thesis, 2010) -
Risk assessment as an integrated part of distribution system reinvestment project analysis
(Research report, 2008)In the ageing infrastructure of electricity distribution, the emphasis on maintenance and reinvestment decisions is ever increasing – focusing on doing the right thing at the right time. Maintenance and reinvestment ... -
Risk Management in Electricity Markets Emphasizing Transmission Congestion
(Doktoravhandlinger ved NTNU, 1503-8181; 2004:42, Doctoral thesis, 2004)This thesis analyzes transmission pricing, transmission congestion risks and their associated hedging instruments as well as mechanisms for stimulating investments in transmission expansion. An example of risk management ... -
A Robust Circuit and Controller ParametersIdentification Method of Grid-Connected VoltageSource Converters Using Vector Fitting Algorithm
(Peer reviewed; Journal article, 2021)This article presents a vector fitting (VF) algorithmbased robust circuit and controller parameters identification method for grid-connected voltage source converters (VSCs). The dq-domain impedance frequency responses ... -
Robust Control of Nonlinear Wind Energy Conversion Systems: A scalable and adaptive energy-based approach for cascaded interconnections
(Master thesis, 2023)Denne masteroppgaven har som mål å utlede et stabilitetssertifikat for et konverteringssystem bestående av en vindturbin (WT) koblet til en permanentmagnet-synkron generator (PMSG), etterfulgt av en fullskala to-nivå ... -
Robust planning of distributed battery energy storage systems in flexible smart distribution networks: A comprehensive study
(Peer reviewed; Journal article, 2020)This paper presents a robust planning of distributed battery energy storage systems (DBESSs) from the viewpoint of distribution system operator (DSO) to increase the network flexibility. Initially, the deterministic model ...