Search Results - "Matakas, Lourenco"
-
1
Integrated Common and Differential Mode Filter With Capacitor-Voltage Feedforward Active Damping for Single-Phase Transformerless PV Inverters
Published in IEEE transactions on power electronics (01-07-2020)“…Recently, several publications have discussed the design of LCL filters and current controllers for grid-connected converters. However, the focus was the LCL…”
Get full text
Journal Article -
2
Single and three phase moving average filter PLLs: Digital controller design recipe
Published in Electric power systems research (01-11-2014)“…•This paper presents a simple controller design method for a PLL with moving average filter.•Adequate design of a PLL with simple structure can present…”
Get full text
Journal Article -
3
Proposed Set of Power Quality Lectures for an Undergraduate Power Electronics Course
Published in 2023 IEEE 8th Southern Power Electronics Conference and 17th Brazilian Power Electronics Conference (SPEC/COBEP) (26-11-2023)“…This paper proposes the introduction of topics on Power Quality in an undergraduate Power Electronics course. The reasoning is that Power Electronics devices…”
Get full text
Conference Proceeding -
4
Analysis of Stationary- and Synchronous-Reference Frames for Three-Phase Three-Wire Grid-Connected Converter AC Current Regulators
Published in Energies (Basel) (01-12-2021)“…The current state of the art shows that unbalance and distortion on the voltage waveforms at the terminals of a grid-connected inverter disturb its output…”
Get full text
Journal Article -
5
Learning Transformer Modeling: A Laboratory Approach for Undergraduate Lectures
Published in 2023 IEEE 8th Southern Power Electronics Conference and 17th Brazilian Power Electronics Conference (SPEC/COBEP) (26-11-2023)“…The modeling process of a component or system is composed by several steps, which are rarely entirely covered in undergraduate courses. Besides that,…”
Get full text
Conference Proceeding -
6
Phase-Locked Loop Based on Selective Harmonics Elimination for Utility Applications
Published in IEEE transactions on power electronics (01-01-2013)“…Phase-locked loops (PLL) are widely used in power electronics equipment connected to the mains. The use of a square wave voltage-controlled oscillator instead…”
Get full text
Journal Article -
7
Laboratory Supported Lectures on Modeling: Transformer Case
Published in Eletrônica de Potência (14-08-2024)“…The modeling process of a component or system consists of several steps, which are rarely entirely covered in undergraduate courses. Moreover, theoretical and…”
Get full text
Journal Article -
8
Transformer Operation at Deep Saturation: Model and Parameter Determination
Published in IEEE transactions on industry applications (01-05-2012)“…This paper proposes a model that adequately describes the operation of the transformer at deep saturation, suitable for power-electronics applications, and a…”
Get full text
Journal Article -
9
Development of a Modular Open Source Power Electronics Didactic Platform
Published in 2019 IEEE 15th Brazilian Power Electronics Conference and 5th IEEE Southern Power Electronics Conference (COBEP/SPEC) (01-12-2019)“…This paper introduces a modular open source power electronics didactic platform developed for use in undergraduate and graduate courses, student projects and…”
Get full text
Conference Proceeding -
10
Development of a FPGA-Based Control System for Modular Multilevel Converter Applications
Published in 2019 IEEE 15th Brazilian Power Electronics Conference and 5th IEEE Southern Power Electronics Conference (COBEP/SPEC) (01-12-2019)“…Modular Multilevel Converters (MMCs) are convenient solutions for a variety of mid/high power energy conversion systems found in renewable energy plants, DC…”
Get full text
Conference Proceeding -
11
Implementation aspects of adaptive window moving average filter applied to PLLs - Comparative study
Published in 2013 Brazilian Power Electronics Conference (01-10-2013)“…New standards for grid connected distributed generation systems requires operation for variable grid frequency. This paper discusses implementation details for…”
Get full text
Conference Proceeding -
12
Technology assessment for power quality mitigation devices – Micro-DVR case study
Published in Electric power systems research (01-06-2011)“…► We present a case study on technology assessment for power quality improvement devices. ► We developed a system compatibility test protocol for power quality…”
Get full text
Journal Article -
13
Analysis of operation regions of an isolated bidirectional dual active bridge DC-DC converter with LC coupling
Published in 2017 Brazilian Power Electronics Conference (COBEP) (01-11-2017)“…This paper presents a project methodology of the series LC tank for an isolated bidirectional dual active bridge converter. The inductance and capacitance of…”
Get full text
Conference Proceeding -
14
PLL performance under frequency fluctuation-compliance with standards for distributed generation connected to the grid
Published in 2013 IEEE PES Conference on Innovative Smart Grid Technologies (ISGT Latin America) (01-04-2013)“…Grid frequency fluctuation from the nominal value is expected by the standards related to distributed generation (DG) and smart grid (SG) systems. The Phase…”
Get full text
Conference Proceeding -
15
A Generalized Instantaneous Method for Harmonics, Positive and Negative Sequence Detection/Extraction
Published in 2007 IEEE Power Electronics Specialists Conference (01-01-2007)“…One of the most common problems in power systems is the unbalanced load and harmonics that causes losses and interference in power systems. To eliminate or…”
Get full text
Conference Proceeding -
16
Positive and negative components extraction using space vectors' dot product
Published in 2013 Brazilian Power Electronics Conference (01-10-2013)“…This work presents a simple method to calculate in real time the fundamental positive and negative sequence of three-phase systems, based on space vectors' dot…”
Get full text
Conference Proceeding -
17
DC link voltage control for direct drive linear wave energy converter
Published in 2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG) (01-04-2017)“…Direct drive linear generators have been shown to be a viable method for ocean's wave energy conversion. This generation system converts the wave oscillation…”
Get full text
Conference Proceeding -
18
A Flexible Didactic Platform for Thyristor-Based Circuit Topologies
Published in Eletrônica de Potência (30-06-2020)“…The objective of this article is to present a flexible didactic platform for thyristor-based circuits. When compared to the existing academic and commercial…”
Get full text
Journal Article -
19
A Flexible DSP-FPGA Based Platform for Experiments with Modular Multilevel Cascade Converters
Published in Eletrônica de Potência (30-06-2020)“…The growing use of Modular Multilevel Cascade Converter (MMCC) topologies in applications such as High Voltage Direct Current Transmission, Static Var…”
Get full text
Journal Article -
20
Modeling and Design of a Fast-Dynamic Response Phaselocked Loop Based on Moving Average Filter
Published in Eletrônica de Potência (20-12-2019)“…Phase Locked Loops (PLLs) with in-loop Moving Average Filter (MAF) and a Proportional Integral (PI) controller are effective methods to achieve synchronization…”
Get full text
Journal Article