Search Results - "Silva, Leandro R M"

PLL Based Method for Supraharmonics Emission Assessment by Mendes, Thais M., Ferreira, Danton D., Silva, Leandro R. M., Ribeiro, Paulo F., Meyer, Jan, Duque, Carlos A.

“…Supraharmonic (SH) disturbances are generated mainly by power electronics whose usage has increased significantly in the last decades. Consequently,…”
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Real-Time B-Spline Interpolation for Harmonic Phasor Estimation in Power Systems by Aleixo, Renato R., Lomar, Tiago S., Silva, Leandro R. M., Monteiro, Henrique L. M., Duque, Carlos A.

“…The fundamental component synchrophasors are widely used nowadays, based on the use of phasor measurement units (PMUs), in several applications in electrical…”
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Spectral Variation-Based Signal Compression Technique for Gapless Power Quality Waveform Recording in Smart Grids by Kapisch, Eder B., de Morais, Victor V., Silva, Leandro R. M., Filho, Luciano M. A., Duque, Carlos A.

“…The current scenario of electric power systems expansion requires the insertion of new devices and technologies, contributing to the establishment of smart…”
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Plug-in active ROCOF method for islanding detection based on small-signal injection by Ferreira, Douglas A., de Almeida, Pedro M., Monteiro, Henrique L.M., Cardoso, Thiago T., Silva, Leandro R.M., Duque, Carlos A.

“…•GMS Injection is the key for detection as it increases the ROCOF levels when the system is islanded.•GMS Injection does not degrade de Power Quality in terms…”
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Supraharmonic estimation by polyphase DFT filter bank by Mendes, Thais M., Ferreira, Danton D., Silva, Leandro R.M., Khosravy, Mahdi, Meyer, Jan, Duque, Carlos A.

“…As a side effect caused by new technologies, supraharmonics attracted the attention of researchers in recent years. Mitigation and analysis of supraharmonics…”
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Supraharmonic analysis by filter bank and compressive sensing by Mendes, Thais M., Duque, Carlos A., Silva, Leandro R.M., Ferreira, Danton D., Meyer, Jan

“…•Signal processing tools are applied for supraharmonics (2–150kHz) analysis.•Filter bank and downsampling stages lead to reduced computational complexity.•The…”
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Power Quality Parameters Calculation Using FPGA Embedded Parallel Processors in Compliance with the IEC 61000-4-30 Standard by Luiz, Max M., Duque, Tales F., Almeida, Afonso H. S., Kapisch, Eder B., Silva, Leandro R. M., Lima, Marcelo A. A.

“…This work presents the implementation of a power quality (PQ) parameters calculation system based on the use of parallel processors embedded in…”
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Compression Method of Power Quality Disturbances Based on Independent Component Analysis and Fast Fourier Transform by Pinto, Larissa S., Assunção, Mateus V., Ribeiro, David A., Ferreira, Danton D., Huallpa, Belisário N., Silva, Leandro R.M., Duque, Carlos A.

“…•Independent componente analysis is applied for power quality disturbance compression.•Adaptive threholds are designed by using mathematical mophology.•The…”
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Harmonic impedance measurement based on short time current injections by Monteiro, Henrique L.M., Duque, Carlos A., Silva, Leandro R.M., Meyer, Jan, Stiegler, Robert, Testa, Alfredo, Ribeiro, Paulo F.

“…•Real time estimation of power systems impedance of composite network, e.g. with lumped or distributed parameters, linear and nonlinear loads.•No modification…”
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Dynamic Impedance Estimation: Challenges and Considerations by de Oliveira, Mateus M., Aleixo, Renato R., Resende, Denise F., Silva, Leandro R. M., Salles, Rafael S., Duque, Carlos A., Ribeiro, Paulo F.

“…The objective of this paper was to examine the dynamic impedance estimation of electrical systems from online measurements. The paper makes several…”
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Adaptive Channel Equalization for Frequency Response Correction of Instrument Transformers by Resende, Denise F., Duque, Carlos A., Nepomuceno, Erivelton G., Lima, Marcelo A. A., Silva, Leandro R. M.

“…Power quality (PQ) assessment has proven to be important in recent years for the power grid. The influence of the instrumentation transformer frequency…”
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Independent Component Analysis for Distortion Estimation at Different Points of a Network with Multiple Harmonic Sources by de Oliveira, Mateus M., Lima, Marcelo A. A., Silva, Leandro R. M., Duque, Carlos A., Ribeiro, Paulo F.

“…The analysis of the harmonic distortion contribution on the PCC, traditionally, quantifies only the contribution from the load side (or distributed generation)…”
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Novelty Detection in Power Quality Signals with Surrogates: a Time-Frequency Technique by Kapisch, Eder B., Filho, Luciano M. A., Silva, Leandro R. M., Duque, Carlos Augusto

“…In the new context of smart grids (SGs), new types of electric disturbances may occur in the electrical power systems (EPSs) current and voltage waveforms. The…”
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A novelty detection method for efficient data storage in smart grids by Fernandes, Alysson A., Ferreira, Danton D., Huallpa, Belisario N., Silva, Leandro R.M., Kapisch, Eder B., Mendes, Thais M.

“…This work presents a new novelty detection method for efficiently storing electrical power system data. The proposed method makes innovative use of the…”
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Islanding detection based on impedance estimation using small signal injection by Mostaro, Mateus, Monteiro, Henrique L.M., Dias, Felipe M., Silva, Leandro R.M., Duque, Carlos A.

“…This paper presents a new impedance estimation approach for islanding detection (ID). To estimate the impedance seen by the distributed generator (DG), a small…”
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Newly Implemented Real-Time PQ Monitoring for Transmission 4.0 Substations by Alberto, Matheus, Soares, Guilherme M., Silva, Leandro R.M., Duque, Carlos A., Decker, Ildemar C., Ribeiro, Paulo F., Junio, Eden L.C., Fvaro, Alexandre D., Passos, Luis Fernando

“…•The system is a continuous real time PQ monitoring based on the concept of Digitally Enabled Substation Architecture or Substation 4.0 (SB4.0).•It presents a…”
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Fundamental Component Phasor Estimation in Presence of DC Exponential Decay, Harmonics and Noise by de Oliveira, André D., Silva, Leandro R. M., Duque, Carlos A., Cerqueira, Augusto S.

“…Phasor estimation of the fundamental component is a necessary task for many power system applications. This work is targeted to applications of transmission…”
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Harmonic impedance estimation in frequency deviation scenario by Monteiro, Henrique L. M., de Oliveira, Mateus M., de Oliveira, Ramon R. S., Silva, Leandro R. M., Duque, Carlos A., Ribeiro, Paulo F.

“…Harmonic impedance is an important parameter for electrical power system analyses. This parameter can be used in some important application such as island and…”
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Time-varying harmonic analyzer prototype by Fabri, Diego F, Martins, Carlos H N, Silva, Leandro R M, Duque, Carlos A, Ribeiro, Paulo F, Cerqueira, Augusto S

“…This paper presents a time-varying harmonic analyzer based on the Sliding Window DFT implemented on a DSP platform. The harmonic decomposition is carried out…”
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