Browsing NTNU Open by Author "Tedeschi, Elisabetta"
Now showing items 1-20 of 80
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A control scheme for utilizing energy storage of the modular multilevel converter for power oscillation damping
Taffese, Abel Assegid; Tedeschi, Elisabetta; de Jong, Erik (Chapter, 2017)This paper presents a control scheme that utilizes energy storage of the Modular Multilevel Converter (MMC) for Power Oscillation Damping (POD) service. Such a service is used to enhance grid stability by providing damping ... -
A DC-Grid Proposal for Deep Sea Mining Focusing on Power Quality Aspects
dos Santos Silva, Diogo (Master thesis, 2019)Over the last years, DC grids have become a significant trend topic as a solution for better power distribution systems reducing losses and increasing the efficiency significantly. The technology of HVDC transmission is a ... -
A Guideline for employing PSIM on power converter Applications: Prototyping and educational tool
Alonso, A; Marafao, F P; Brandao, Danilo; Tedeschi, Elisabetta; Guerreiro, J F (Chapter, 2017)Fast prototyping tools for power electronics and control systems are becoming handful players on effortlessly translating computer simulated results into real experimental validations, not abdicating reliability. Among ... -
A Study of Deep Sea Mining Electrical Power System Topologies
Williksen, Fredrik Sigmund Qvigstad (Master thesis, 2017)Deep sea mining (DSM) is an emerging technology. The ever-increasing world-wide need for minerals in growing markets and industries of developing countries has made DSM financially reasonable. As there are few known system ... -
Active Filter Capability of a Voltage Source Inverter in Marine Applications
Flatjord, Vegard Moritsgård (Master thesis, 2017)This thesis is centered around the possibilities of utilizing the active filter capability of a Voltage Source Inverter (VSI) to mitigate harmonic distortion in a marine power system. Hotel loads in marine vessels ... -
An Approach for Small Scale Power Hardware in the Loop Emulation of HVDC Cables
Sanchez Acevedo, Santiago; D'Arco, Salvatore; Holdyk, Andrzej; Tedeschi, Elisabetta (Chapter, 2018)Long HVDC cables are difficult to emulate in laboratory settings due their complex behaviour and fast transient response. This paper presents the methodology for the design and the laboratory implementation of a HVDC cable ... -
Application of Virtual Synchronous Machines for Integration of Offshore Wind Turbines into the Power System of Offshore Oil and Gas Platforms
Mathisen, Eivind Risan (Master thesis, 2016)This thesis addresses the technology known as "Virtual Synchronous Machines" and studies an application where it is used to integrate offshore wind turbines into the power systems of oil and gas platforms. The virtual ... -
Arm Voltage Estimation Method for Compensated Modulation of Modular Multilevel Converters
Taffese, Abel Assegid; Tedeschi, Elisabetta; de Jong, Erik (Chapter; Conference object, 2017)The Modular Multilevel Converter (MMC), being a complex system, requires a number of controllers to function properly. These range from low level switching pattern generation to high level control loops. Among these ... -
Battery Based Energy Storage Emulation in Low Voltage Grids
Sagatun, Nora Plassbak (Master thesis, 2019)Det elektriske nettet er i ferd med å moderniseres betydelig. En av de mest vesentlige trendene som kan modernisere kraftnettet er økt penetrasjon av distribuerte energiressurser. Distribuert generasjon forårsaker bidireksjonal ... -
Battery inductive charging for electrical mobility applications
Tjønn, Bergljot (Master thesis, 2015)This report is a master thesis at the Department of Electrical Engineering at the Norwegian University of Science and Technology (NTNU). The purpose of the thesis was to find a control system used for regulating a system ... -
Cable Selection Considerations for Subsea Vehicles
Nejati Fard, Razieh; Eidsvik, Ole Alexander; Tedeschi, Elisabetta; Schjølberg, Ingrid (Chapter, 2018)The aim of this paper is to present a methodology for selecting proper voltage level and power cables as a part of the AC distribution system design for subsea vehicles, such as Remotely Operated Vehicles, seafloor trenchers ... -
Challenges of the future Danish energy scenario with 50 % wind integration and how electric vehicles adaptive charging can help to mitigate.
Sanchez Garcia, Adrian (Master thesis, 2015)Denmark aims for a 50% wind integration in 2020. In the current scenario, where wind represents around 34% of domestic consumption, mothballing of conventional power plants and heavy dependency in interconnection lines is ... -
Compenscão distribuída de harmônicos em microrredes monofãsicas de baixa Tensâo
Alonso, Augusto; Marafao, Fernando Pinhabel; Brandao, Danilo Iglesias; Tedeschi, Elisabetta (Journal article, 2019)Inversores multifuncionais têm se tornado uma alternativa promissora em aplicações relacionadas à melhoria de qualidade de energia em microrredes, especialmente devido à capacidade de prover serviços auxiliares, tal como ... -
Considerations on Communication Infrastructures for Cooperative Operation of Smart Inverters
Dos Santos Alonso, Augusto Matheus; Afonso, Leonardo Carlos; Brandao, Danilo Iglesias; Tedeschi, Elisabetta; Marafao, Fernando Pinhabel (Chapter, 2019)The presence of distributed generation systems spread over low-voltage electrical networks is boosting the development of control methodologies aiming at coordinating and cooperatively managing the existing smart inverters. ... -
Control of HVDC systems based on diode rectifier for offshore wind farm applications
ida, Flåten; Bergna-Diaz, Gilbert; Sanchez Acevedo, Santiago; Tedeschi, Elisabetta (Journal article; Peer reviewed, 2017)The transfer of energy from offshore wind farms using HVDC technology is highly dependant on the converter technology used. The conversion through HVDC has conventionally been done by Line Commutated Converters (LCC) or ... -
Control of wireless power transfer systems for marine applications
Paulsen, Lars Jakob (Master thesis, 2016)This report is a master thesis whose purpose is to show the steps in designing a control system used for regulating a system for inductive power transfer (IPT) of marine vessel and offshore applications. The constant ... -
Control Optimization of the Offshore HVDC Grid based on Modular Multilevel Converter for Improving DC Voltage Stability
Elahidoost, Atousa; Tedeschi, Elisabetta (Peer reviewed; Journal article, 2020)The aim of this paper is to reduce the voltage oscillation of the HVDC cable in an offshore point-to-point configuration based on the modular multilevel converter. An optimization methodology based on semidefinite programming ... -
Coordinated Control of Parallel Power Conditioners Synthesizing Resistive Loads in Single-Phase AC Microgrids
Alonso, Augusto Matheus Dos Santos; Brandao, Danilo Iglesias; Marafao, Fernando Pinhabel; Tedeschi, Elisabetta (Chapter, 2019)Without proper coordination, power conditioners within microgrids are prone to suffer from resonance phenomena due to the complex and dynamic interactions among the main grid, nonlinear loads and distributed converters. ... -
Coordination of Modular Multilevel Converter Based HVDC Terminals for Ancillary Services
Taffese, Abel Assegid; Tedeschi, Elisabetta (Chapter, 2018)This paper deals with the utilization of the energy storage capacity, inherently present in the Modular Multilevel Converter (MMC), in providing ancillary services to ac grids. The service considered in this paper is Power ... -
Cross-border transmission line between Nepal and India: a test-case for the analysis of HVDC integration into an existing HVAC system
Shrestha, Praveen (Master thesis, 2016)Nepal has huge hydropower potential of 83,000 MW, of which 42,000 MW is technically and economically feasible. According to the annual report of Nepal Electricity Authority, the total installed capacity of hydropower in ...