Blar i NTNU Open på forfatter "Marafao, Fernando Pinhabel"
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3-Phase Multi-Functional Grid-Tied Inverter for Compensation of Oscillating Instantaneous Power
Olimpio Filho, Jose de Arimateia; Morales Paredes, Helmo Kelis; Dos Santos Alonso, Augusto Matheus; Bonaldo, Jakson Paulo; Marafao, Fernando Pinhabel; Simoes, Marcelo Godoy (Chapter, 2019)The primary objective of this paper is to present the basic terms of Conservative Power Theory (CPT) and its applications for compensating instantaneous power oscillations in three-phase three-wire systems. The reference ... -
A Selective Harmonic Compensation and Power Control Approach Exploiting Distributed Electronic Converters in Microgrids
Alonso, Augusto Matheus Dos Santos; Brandao, Danilo Iglesias; Caldognetto, Tommaso; Marafao, Fernando Pinhabel; Mattavelli, Paolo (Journal article; Peer reviewed, 2019)This paper proposes an approach to obtain harmonic compensation and power control by exploiting the electronic power converters deployed in low-voltage microgrids. By the proposed approach, distributed harmonic current ... -
Compensation of oscillating instantaneous power in modern microgrids based on the conservative power theory
Olimpio Filho, Jose de Arimateia; Morales Paredes, Helmo Kelis; Bonaldo, Jakson Paulo; Dos Santos Alonso, Augusto Matheus; Marafao, Fernando Pinhabel; Simoes, Marcelo Godoy (Journal article, 2020)Considering the application of multi-functional grid-tied inverters in modern microgrids, this paper proposes a novel control strategy derived from the Conservative Power Theory (CPT), which makes possible the compensation ... -
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. ... -
Coordinated Control of Distributed Three-and Single-phase Inverters Connected to Three-Phase Three-Wire Microgrids
Brandao, Danilo Iglesias; Savoi, Lucas; Alonso, Augusto Matheus Dos Santos; Liberado, Eduardo Verri; Reis, Geovane; Marafao, Fernando Pinhabel (Journal article; Peer reviewed, 2019)This paper explores the coordinated strategy named Power-Based Control to properly coordinate grid-tied single-and three-phase distributed energy resources in three-phase three-wire microgrids. By means of a narrowband, ... -
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. ... -
Distributed Selective Harmonic Mitigation and Decoupled Unbalance Compensation by Coordinated Inverters in Three-Phase Four-Wire Low-Voltage Networks
Dos Santos Alonso, Augusto Matheus; Brandao, Danilo Iglesias; Tedeschi, Elisabetta; Marafao, Fernando Pinhabel (Peer reviewed; Journal article, 2020)Considering the high penetration of distributed generators in low-voltage grids, establishing a coordinated operation of their grid-tied inverters has become imperative to move towards the implementation of smart grids.Yet, ... -
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) -
Optimal Multiobjective Control of Low-Voltage AC Microgrids: Power Flow Regulation and Compensation of Reactive Power and Unbalance
Brandao, Danilo Iglesias; Ferreira, Willian; Alonso, Augusto Matheus Dos Santos; Tedeschi, Elisabetta; Marafao, Fernando Pinhabel (Journal article; Peer reviewed, 2019)The presence of single-phase distributed generators unevenly injecting active power in three-phase microgrids may create undesired upstream current unbalance. Consequently, voltage asymmetry and even active power curtailment ... -
Optimized Exploitation of Ancillary Services: Compensation of Reactive, Unbalance and Harmonic Currents Based on Particle Swarm Optimization
Dos Santos Alonso, Augusto Matheus; Rodrigues Pereira Jr., Benvindo; Brandao, Danilo Iglesias; Marafao, Fernando Pinhabel (Peer reviewed; Journal article, 2021)Taking into account the growth of distributed generation systems in low-voltage networks, it is important to fully exploit the energy resources and their embedded power converter. Thus, this paper proposes an optimization ... -
Power- and Current-Based Control of Distributed Inverters in Low-Voltage Microgrids: Considerations in Relation to Classic Droop Control
Dos Santos Alonso, Augusto Matheus; Göthner, Fredrik T. B. W.; Brandao, Danilo Iglesias; Marafao, Fernando Pinhabel; Tedeschi, Elisabetta (Chapter, 2020)This paper addresses the matter of active and reactive power sharing among distributed inverters in low-voltage microgrids, particularly highlighting the peculiarities of two strategies of coordinated control based on a ... -
Selective Power Conditioning in Two-Phase Three-Wire Systems Based on the Conservative Power Theory
Alonso, Augusto Matheus Dos Santos; Paredes, Helmo; Filho, Jose A. O.; Bonaldo, Jakson Paulo; Brandao, Danilo Iglesias; Marafao, Fernando Pinhabel (Chapter, 2019)AC power conditioners in electric power systems have been extensively explored in the literature based on approaches mainly focused on single- and three-phase wiring topologies, remaining a significant gap in regard to ... -
Trends and Constraints on Brazilian Photovoltaic Industry: Energy Policies, Interconnection Codes, and Equipment Certification
Marafao, Fernando Pinhabel; Alonso, Augusto Matheus Dos Santos; Goncalves, Flavio; Brandao, Danilo Iglesias; Martins, Antonio; Paredes, Helmo (Journal article; Peer reviewed, 2018)After years of dormant scenarios, the Brazilian industry of photovoltaic (PV) energy systems is now growing fast. Therefore, improving interconnection and certification codes, as well as standards, has become undeniably ...