Search Results - "Coelho, Rodrigo de Almeida"

  • Showing 1 - 11 results of 11
Refine Results
  1. 1

    Effects of currents decomposition on power calculation in nonsinusoidal conditions by Coelho, Rodrigo de Almeida, Brito, Núbia Silva Dantas, de Lira, George Rossany Soares, Lima, Érica Mangueira

    Published in Electrical engineering (01-12-2020)
    “…The increased usage of nonlinear loads in electric systems has dissociated the voltage and current signals from the ideal sinusoidal form and, as a…”
    Get full text
    Journal Article
  2. 2

    Power Measurement Using Stockwell Transform by Coelho, Rodrigo de Almeida, Brito, Nubia Silva Dantas

    Published in IEEE transactions on power delivery (01-10-2021)
    “…The spread of harmonics in electric power systems causes deviations in voltage and current waveforms from the ideal sinusoidal form and, consequently, the…”
    Get full text
    Journal Article
  3. 3

    Novel indices for power quality assessment of non-linear loads by de Almeida Coelho, Rodrigo, Araújo, Bruno Vinícius Silveira, Xavier, George Victor Rocha, Rodrigues, Gustavo Aragão, Ferreira, Tarso Vilela, Brito, Núbia Silva Dantas

    Published in Electric power systems research (01-11-2024)
    “…The dissemination of non-linear loads on power systems increases the distortion of power system signals, which diverge from a pure sinusoidal waveform. The…”
    Get full text
    Journal Article
  4. 4

    An Approach for Power Quantification Based on Stockwell Transform and CPC Power Theory by Coelho, Rodrigo de Almeida, Lima, Erica Mangueira, Brito, Nubia Silva Dantas

    “…This article presents a power calculation method for non-sinusoidal signals with non-stationary characteristics based on currents' physical components (CPC)…”
    Get full text
    Journal Article
  5. 5

    Analysis of RMS Measurements Based on the Wavelet Transform by Coelho, Rodrigo de Almeida, Brito, Núbia Silva Dantas

    “…The monitoring of voltage and current signals in the electric power system (EPS) is a fundamental step for studies on power quality. Thus, the root mean square…”
    Get full text
    Journal Article
  6. 6

    An Algorithm for Optimal Placement of Voltage Sag Monitors by Junqueira, Caio Marco dos Santos, Brito, Núbia Silva Dantas, de Souza, Benemar Alencar, Coelho, Rodrigo de Almeida, Lima, Érica Mangueira

    “…Voltage sags are disturbances that deserve special attention in power quality (PQ) area, given its frequent occurrences. Their constant monitoring is,…”
    Get full text
    Journal Article
  7. 7

    A new power calculation method based on time–frequency analysis by Coelho, Rodrigo de Almeida, Brito, Núbia Silva Dantas

    “…The increasing spread of non-linear loads is leading to rising distortion levels of power network signals. As a consequence, voltage and current signals…”
    Get full text
    Journal Article
  8. 8

    High impedance fault detection method for distribution networks under non-linear conditions by Lima, Érica Mangueira, Coelho, Rodrigo de Almeida, Brito, Núbia Silva Dantas, Souza, Benemar Alencar de

    “…•New HIF method for distribution networks with the presence of non-linear loads.•Online monitoring of 3rd harmonic phase angle sample-by-sample for fault…”
    Get full text
    Journal Article
  9. 9
  10. 10

    Síndrome de disfunção de múltiplos órgãos induzida por sepse: estudo experimental em ratos by Lima, João Batista de Area, Skare, Thelma Larocca, Malafaia, Osvaldo, Ribas-Filho, Jurandir Marcondes, Michaelis, Tiago, Ribas, Fernanda Marcondes, Macedo, Rodrigo de Almeida Coelho

    “…RACIONAL: A principal causa de morte em pacientes com sepse em cirurgia é a síndrome de disfunção de múltiplos órgãos. Assim, modelos experimentais que simulem…”
    Get full text
    Journal Article
  11. 11

    High Impedance Fault Detection based on Stockwell Transform by Lima, Erica Mangueira, de Almeida Coelho, Rodrigo, Brito, Nubia Silva Dantas, Alencar de Souza, Benemar

    “…A high impedance fault (HIF) detection method is proposed in this paper. Several parameters are extracted using the Stockwell transform, which is a relatively…”
    Get full text
    Conference Proceeding