Browsing NTNU Open by Author "Sanchez Acevedo, Santiago"
Now showing items 1-20 of 23
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Accuracy Analysis of a Dynamic State Estimator with a Hardware in the Loop Approach
Sanchez Acevedo, Santiago; Baltensperger, Daniel Simon; D'Arco, Salvatore (IEEE Belgrade PowerTech;2023, Chapter, 2023)State estimation is critical for the monitoring and control of power systems. The conventional approach for state estimation is based on quasi static models for the power systems and as such neglects relevant dynamic ... -
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 ... -
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 ... -
Coordination of Frequency Reserves in an Isolated Industrial Grid Equipped With Energy Storage and Dominated by Constant Power Loads
Mota, Daniel dos Santos; Alves, Erick Fernando; D'Arco, Salvatore; Sanchez Acevedo, Santiago; Tedeschi, Elisabetta (Peer reviewed; Journal article, 2023)This paper examines the use of interconnected synchronous system requirements for frequency containment reserves (FCR) on isolated industrial grids that use turbogenerators as main source of energy, have high penetration ... -
Dynamics and Stability of Meshed Multiterminal HVDC Networks
Sanchez Acevedo, Santiago; Bergna-Diaz, Gilbert; Tedeschi, Elisabetta; Garces Ruiz, Alejandro (Journal article; Peer reviewed, 2018)This paper investigates the existence of an equilibrium point in multiterminal HVDC grids, assesses its uniqueness and defines conditions to ensure its stability. An offshore multiterminal HVDC system including two wind ... -
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 ... -
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 ... -
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 ... -
Low Frequency Alternating Current (LFAC) Transmission Systems for Offshore Wind Farms - Case Studies on the Use of LFAC, Based on Horns Rev 3 Offshore Wind Farm
Allgot, Kim (Master thesis, 2017)This thesis investigates the use of low frequency alternating current (LFAC) for the longdistance transmission of the power extracted from offshore wind farms. It is based on the measurement of power flow in different nodes ... -
Modeling of Multiterminal HVDC grids with Renewable Energy and Storage Integration by Open Source tools
Espvik, Joachim (Master thesis, 2019)Verden har et akutt behov for energiproduksjon med lave utslipp av klimagasser for å nå grensene for temperatur økning satt i Parisavtalen. Energiproduksjon fra havvind er en av de mest lovende teknologiene for å redusere ... -
Modeling of Multiterminal HVDC Offshore Grids with Renewable Energy and Storage Integration by Opensource Tools
Espvik, Joachim; Tranulis, Erling Vatn; Sanchez Acevedo, Santiago; Tedeschi, Elisabetta (Chapter, 2019)With increasing offshore wind penetration levels, more secure and flexible offshore electrical transmission systems are needed to ensure security of supply to onshore users. When considering long distances of electrical ... -
Multi-Hardware-in-the-Loop Laboratory Testing of Power Converters and Intelligent Electronic Devices for Large-Scale Power System Applications
D'Arco, Salvatore; Sanchez Acevedo, Santiago; Suul, Jon Are Wold (Journal article; Peer reviewed, 2024)This paper presents an approach and a corresponding laboratory infrastructure for multi-hardware-in-the-loop (M-HiL) testing of power converters and intelligent electronic devices (IEDs) with wide area features for power ... -
Offshore Wind Farms and Isolated Oil and Gas Platforms: Perspectives and Possibilities
Mota, Daniel; Alves, Erick Fernando; Sanchez Acevedo, Santiago; Svendsen, Harald Georg; Tedeschi, Elisabetta (Chapter, 2022)Single-cycle gas turbines operating at low-efficiency ranges due to redundancy concerns in offshore oil and gas platforms are responsible for considerable amounts of nitrogen oxides and greenhouse gas emissions in some ... -
Performance evaluation of the empirical method for online detection of power oscillations: a multiterminal HVDC application
Sanchez Acevedo, Santiago; Duong, Dinh Thuc; Taffese, Abel Assegid; Uhlen, Kjetil; Tedeschi, Elisabetta (Chapter, 2018)This paper presents the performance evaluation of an empirical method for online detection of power and voltage oscillations electric grids and is used as a monitoring system to evaluate the grid performance. Additionally, ... -
PI Passivity-Based Control and Performance Analysis of MMC Multiterminal HVDC Systems
Bergna-Diaz, Gilbert; Zonetti, Daniele; Sanchez Acevedo, Santiago; Ortega, Romeo; Tedeschi, Elisabetta (Journal article; Peer reviewed, 2019)In this paper, a decentralized PI passivity-based controller is applied to modular multilevel converters to ensure global stability of a multiterminal high-voltage direct current system. For the derivation of the controller, ... -
PI Passivity-based Control of Modular Multilevel Converters for Multi-Terminal HVDC Systems
Bergna-Diaz, Gilbert; Zonetti, Daniele; Sanchez Acevedo, Santiago; Tedeschi, Elisabetta; Ortega, Romeo (Chapter, 2017)In this work, a decentralized PI passivity-based controller (PI-PBC) is applied to the Modular Multilevel Converters (MMCs) to ensure global asymptotic stability of a multiterminal MT-HVDC system. Since continuous MMC ... -
Port Hamiltonian Modelling of Modular Multilevel Converters with Fixed Equilibrium Point
Bergna-Diaz, Gilbert; Sanchez Acevedo, Santiago; Tedeschi, Elisabetta (Chapter, 2017)The paper presents the derivation of a port-Hamiltonian model of an averaged Modular Multilevel Converter (MMC) that reaches a fixed equilibrium point solution. This MMC model can not be expressed in a straightforward way ... -
Power quality studies of a Stand-alone Wind-powered Water Injection System without Physical Inertia
Gaugstad, Alexander Tufta (Master thesis, 2017)The purpose of this thesis is to study the power quality in a stand-alone wind- powered water injection system for enhanced oil recovery. Water injection is crucial for boosting the recovery rate in mature oil reservoirs. ... -
Residential Photovoltaic and Battery Energy System with Grid Support Functionalities
Ranaweera, Iromi; Sanchez Acevedo, Santiago; Midtgård, Ole-Morten (Chapter, 2015)This paper presents the design of a control system for a grid connected residential photovoltaic (PV) system with battery energy storage (BES). The control methods for the power electronic converters are presented and the ... -
Smart load management of water injection systems in offshore oil and gas platforms integrating wind power
Sanchez Acevedo, Santiago; Tedeschi, Elisabetta; Jafar, Muhammad; Silva, Jesus; Marichalar, Alexandra (Journal article, 2017)The pollution coming from the use of gas turbines (GTs) in oil and gas (O&G) platforms requires greener solutions. One option is to use wind turbines (WTs) to supply the water injection systems (WISs) and explore smart ...