Blar i NTNU Open på forfatter "Tedeschi, Elisabetta"
-
Electrical Grid Study of Using Offshore Wind Power for Oil & Gas Offshore Installations
Opedal, Jonas Frium (Master thesis, 2017)The purpose of this thesis is to investigate the performance of a wind integrated oil & gas offshore installation. The motivation behind this is to reduce emissions of CO2 and other greenhouse gases from offshore installations ... -
Energy Storage Emulation in Islanded low Voltage Grid
Sagatun, Nora Plassbak; Sanchez Acevedo, Santiago; Tedeschi, Elisabetta (Chapter; Peer reviewed, 2019)With an increased integration of grid-connected distributed generators in the power systems, the control structures are increasingly complex. This paper discusses a distributed energy storage technology based on battery ... -
Energy storage systems for services provision in offshore wind farms
Rabanal Alcubilla, Arkaitz; Smith, Andrew Macmillan; Ahaotu, Chiagoro Chinonyerem; Tedeschi, Elisabetta (Journal article; Peer reviewed, 2024)Offshore wind energy is growing continuously and already represents 12.7% of the total wind energy installed in Europe. However, due to the variable and intermittent characteristics of this source and the corresponding ... -
Evaluation of the Fluid Model Approach for the Sizing of Energy Storage in Wave-Wind Energy Systems
Dominguez-Navarro, José Antonio; Tedeschi, Elisabetta (Journal article; Peer reviewed, 2016)The application of energy storage in offshore renewable generation systems allows managing the intrinsic uncertainty of the resources and improving the utilization factor of the electrical network. Optimal storage design ... -
Expansion of Offshore HVDC Grids. An overview of contributions, status, challenges, and perspectives.
Elahidoost, Atousa; Tedeschi, Elisabetta (Chapter, 2017)The goal of this paper is to review, systematize and critically discuss the approaches that have been proposed so far for grid transmission expansion in HVDC systems. In particular, the paper will focus on the special ... -
Exploring the Potential for Increased Production from the Wave Energy Converter Lifesaver by Reactive Control
Sjolte, Jonas; Sandvik, Christian Mclisky; Tedeschi, Elisabetta; Molinas Cabrera, Maria Marta (Journal article; Peer reviewed, 2013)Fred Olsen is currently testing their latest wave energy converter (WEC), Lifesaver, outside of Falmouth Bay in England, preparing it for commercial operation at the Wavehub test site. Previous studies, mostly focusing on ... -
Harmonic Propagation and Production in Offshore Wind Farms
Meinich, Audun Matre (Master thesis, 2018)Modern wind farms are increasing in size and complexity. As a result, increased power injected from large offshore wind farms is having a significant impact on the stability and power quality of the grid. Harmonics are a ... -
Harmonic Resonance Mode Analysis and Application for Offshore Wind Power Plants
Brantsæter, Henrik Andreas (Master thesis, 2015)This thesis is centred around a form of resonance analysis for power systems known as Harmonic Resonance Mode Analysis (HRMA). It is a form of eigenvalue analysis and has some parallels to the modal analysis commonly ... -
Harmonic Resonance Mode Analysis in dq Domain
Taffese, Abel Assegid; Tedeschi, Elisabetta (Journal article, 2017)Harmonic Resonance Mode Analysis (HRMA) is a technique developed to study harmonic resonance in a power system. Compared to conventional resonance analysis techniques, HRMA is a powerful method that can indicate the origin ... -
Harmonic-Invariant Scaling Method for Power Electronic Converters in Power Hardware-in-the-Loop Test Beds
Mota, Daniel dos Santos; Banda, Joseph Kiran; Adeyemo, Ayotunde Adekunle; Tedeschi, Elisabetta (Peer reviewed; Journal article, 2023)Power hardware-in-the-loop (PHIL) is an experimental technique that uses power amplifiers and real-time simulators for studying the dynamics of power electronic converters and electrical grids. Power hardware-in-the-loop ... -
HVDC meshed multi-terminal networks for offshore wind farms: Dynamic model, load flow and equilibrium
Garces, Alejandro; Sanchez Acevedo, Santiago; Bergna-Diaz, Gilbert; Tedeschi, Elisabetta (Chapter, 2017)This paper presents sufficient conditions for the existence of an equilibrium point of multi-terminal HVDC (MT-HVDC) network for offshore applications. Newton's method is used both as a computational tool and as the basis ... -
Hybrid BESS/STATCOM for Improved Power Quality on Oil & Gas Platforms
Abdul-Azeez, Sadiq Abba (Master thesis, 2023)Kraftsystemet til offshore olje- og gassplattformer beskrives ofte som et svakt, uavhengig AC-system. Et betydelig problem knyttet til svake nett er den kraftige økningen i reaktiv effektbehov og p˚afølgende fall i ... -
Impedance computation for power electronic converters with Hilbert transform
Sanchez Acevedo, Santiago; Tedeschi, Elisabetta; Bergna-Diaz, Gilbert; D'Arco, Salvatore; Sanz, Marina (Chapter, 2017)The Hilbert transform (HT) is widely used in signal processing and it has been found as a good tool to understand some physical phenomena in electrical systems. This paper presents a methodology to derive the input impedance ... -
Improving electric power generation of a standalone wave energy converter via optimal electric load control
Wang, Liguo; Lin, MaoFeng; Tedeschi, Elisabetta; Engström, Jens; Isberg, Jan (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 ... -
An Innovative Hardware-In-the-Loop Rig For Linear Power-Take-Off Testing
Alessandri, Giacomo; Gallorini, Federico; Castellini, Luca; Montoya, Dan El; Alves, Erick Fernando; Tedeschi, Elisabetta (Peer reviewed; Journal article, 2021)This paper describes the activities related to the design, manufacturing and commissioning of an innovative Hardware-In-the-Loop test rig for linear Power Take-Off testing within the Horizon 2020 IMAGINE project. The rig ... -
Innovative Hybrid Energy System for stable Power and Heat Supply in offshore oil & gas Installation (HES-OFF): System Design and Grid Stability
Riboldi, Luca; Alves, Erick Fernando; Pilarczyk, Marcin; Tedeschi, Elisabetta; Nord, Lars O. (Peer reviewed; Journal article, 2020)This paper presents an innovative hybrid energy system for stable power and heat supply in offshore oil & gas installations (HES-OFF). The hybrid concept integrates offshore wind power with gas turbines and a H2 energy ... -
Integrated Local and Coordinated Overvoltage Control to Increase Energy Feed-In and Expand DER Participation in Low-Voltage Networks
Alonso, Augusto; De Oro Arenas, Luis; Brandao, Danilo Iglesias; Tedeschi, Elisabetta; Marafao, Fernando Pinhabel (Journal article; Peer reviewed, 2022) -
Integration of Distributed Energy Resources into Offshore and Subsea Grids
Nejati Fard, Razieh; Tedeschi, Elisabetta (Journal article; Peer reviewed, 2018)The main goal of this paper is to outline characteristics and critical aspects related to the design and operation of offshore and subsea electric distribution grids, particularly in the case of high penetration of distributed ... -
Interfacing Multi-Megawatt Offshore Wind Turbines with Modular Multilvel Converters.
Morozovska, Kataryna (Master thesis, 2015)The aim of the master thesis was to investigate the effect of Modular Multilevel Converter (MMC) on wind energy electrical system. In different literature sources MMC is used at the grid side of the turbine. This thesis ... -
Investigation of AC and DC power distributions to seafloor mining equipment
Nejati Fard, Razieh; Tedeschi, Elisabetta (Chapter, 2017)The main goal of this paper is to study and compare different power distribution alternatives for subsea electrical components for deep-sea mining in the Norwegian Sea. Such application requires power delivery in the ...