Browsing NTNU Open by Author "Alves, Erick Fernando"
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Allocation of Spinning Reserves in Autonomous Grids Considering Frequency Stability Constraints and Short-Term Solar Power Variations
Alves, Erick Fernando; Polleux, Louis; Guerassimoff, Gilles; Korpås, Magnus; Tedeschi, Elisabetta (Peer reviewed; Journal article, 2023)Low-inertia, isolated power systems face the problem of resiliency to active power variations. The integration of variable renewable energy sources, such as wind and solar photovoltaic, pushes the boundaries of this issue ... -
Comparison of Offline, Real-Time Models and Hardware-In-the-Loop Test Results of a Power Take-Off for Wave Energy Applications
Alves, Erick Fernando; Mudigonda, Bhavana; Tedeschi, Elisabetta (Peer reviewed; Journal article, 2022)The power take-off (PTO) of a wave energy converter (WEC) converts mechanical power extracted from the waves into electrical power. Increasing PTO performance under several operational conditions is therefore essential to ... -
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 ... -
Dual Sequence Controller with Delayed Signal Cancellation in the Rotating Reference Frame
Mota, Daniel; Alves, Erick Fernando; Tedeschi, Elisabetta (Chapter, 2021)Dual-sequence current controllers of voltage source converters (VSCs) feature two separate rotating reference frames (RRFs), commonly named dq frames, and rely on techniques that isolate the positive and negative sequences ... -
Excitation System Technologies for Wound-Field Synchronous Machines: Survey of Solutions and Evolving Trends
Nøland, Jonas Kristiansen; Nuzzo, Stefano; Tessarolo, Alberto; Alves, Erick Fernando (Journal article; Peer reviewed, 2019)Wound-field synchronous machines (WFSMs) are included in the majority of large power generating units and special high-power motor drives, due to their high efficiency, flexible field excitation and intrinsic flux weakening ... -
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 ... -
Non-Synchronous Generation Impact on Frequency Response - A Case from Albania
Ago, Ersi; Chamorro, Harold; Alves, Erick Fernando; Gonzalez-Longatt, Francisco; Flores, Wilfredo C; Sood, Vijay K; Martinez, Wilmar (Chapter, 2020)Albanian electric power generation has been almost totally dependent on hydropower since its system inception. Within the past decade, although modest, there has been some share of power produced from Renewable Energy ... -
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 ... -
Online parameter identification of synchronous machines using Kalman filter and recursive least squares
Alves, Erick Fernando; Nøland, Jonas Kristiansen; Marafioti, Giancarlo; Mathisen, Geir (Chapter, 2019)This paper investigates and implements a procedure for parameter identification of salient pole synchronous machines that is based on previous knowledge about the equipment and can be used for condition monitoring, online ... -
Optimal Design of a Hybrid Energy System for the Supply of Clean and Stable Energy to Offshore Installations
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 and gas installations. The proposed concept integrates offshore wind power, onsite gas turbines and an energy storage ... -
Optimal Energy Management in Autonomous Power Systems with Probabilistic Security Constraints and Adaptive Frequency Control
Chapaloglou, Spyridon; Alves, Erick Fernando; Trovato, Vincenzo; Tedeschi, Elisabetta (Peer reviewed; Journal article, 2023) -
Optimization of Energy Storage for Frequency Control in Autonomous AC Power Systems – Frameworks for Planning and Operation
Alves, Erick Fernando (Doctoral theses at NTNU;2023:144, Doctoral thesis, 2023)AC power systems have been designed to balance active power from the generation side, adopting technologies that offer three important properties: dispatch capability, ability to participate in frequency control, and large ... -
Performance Comparison of Offline and Real-Time Models of a Power Take-Off for Qualification Activities of Wave Energy Converters
Castellini, Luca; Gallorini, Federico; Alessandri, Giacomo; Alves, Erick Fernando; Montoya Andrade, Dan El Andres; Tedeschi, Elisabetta (Chapter, 2021)A Power Take-Off (PTO) is responsible to convert wave to electrical power and is one of the core sub-systems of any Wave Energy Converter (WEC). As result, assessing the PTO performance is one of the key aspects of the WEC ... -
Sizing of Hybrid Energy Storage Systems for Inertial and Primary Frequency Control
Alves, Erick Fernando; Mota, Daniel dos Santos; Tedeschi, Elisabetta (Peer reviewed; Journal article, 2021)The exponential rise of renewable energy sources and microgrids brings about the challenge of guaranteeing frequency stability in low-inertia grids through the use of energy storage systems. This paper reviews the frequency ... -
Smart Load Management with Energy Storage for Power Quality Enhancement in Wind-Powered Oil and Gas Applications
Alves, Erick Fernando; Sanchez Acevedo, Santiago; Brandao, Danilo Iglesias; Tedeschi, Elisabetta (Journal article; Peer reviewed, 2019)This paper investigates power quality issues in a wind-powered offshore oil and gas platform operating in island mode. Topics of interest are the negative effects that load and wind power variability have on the electrical ... -
Sufficient Conditions for Robust Frequency Stability of AC Power Systems
Alves, Erick Fernando; Bergna-Diaz, Gilbert; Brandao, Danilo; Tedeschi, Elisabetta (Peer reviewed; Journal article, 2020)This paper analyses the frequency stability of ac grids in the presence of non-dispatchable generation and stochastic loads. Its main goal is to evaluate conditions in which the system is robust to large, persistent active ... -
Suitability assessment of high-power energy storage technologies for offshore oil and gas platforms: A life cycle cost perspective
Adeyemo, Ayotunde Adekunle; Alves, Erick Fernando; Marra, Francesco; Iglesias Brandao, Danilo; Tedeschi, Elisabetta (Peer reviewed; Journal article, 2023)This paper presents a technology suitability assessment (TSA) of high-power energy storage (ES) systems for application in isolated power systems, which is demonstrated through the case of offshore oil and gas platforms ... -
Suitability assessment of high-power energy storage technologies for offshore oil and gas platforms: A life cycle cost perspective
Adeyemo, Ayotunde Adekunle; Alves, Erick Fernando; Marra, Francesco; Iglesias Brandao, Danilo; Tedeschi, Elisabetta (Peer reviewed; Journal article, 2023)This paper presents a technology suitability assessment (TSA) of high-power energy storage (ES) systems for application in isolated power systems, which is demonstrated through the case of offshore oil and gas platforms ... -
Unified Reduced Model for a Dual Control Scheme of the High-Speed Response Brushless Excitation System of Synchronous Generators
Nøland, Jonas Kristiansen; Alves, Erick Fernando; Pardini, Atila; Lundin, Urban (Journal article; Peer reviewed, 2019)Developments of the high-speed response brushless excitation systems (HSRBESs) are ongoing in the power industry. This is because the transient response of the excitation system (ES) is a key performance indicator for the ...