Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Rodrigo de Almeida Coelho"'
Autor:
João Batista de Area Lima, Thelma Larocca Skare, Osvaldo Malafaia, Jurandir Marcondes Ribas-Filho, Tiago Michaelis, Fernanda Marcondes Ribas, Rodrigo de Almeida Coelho Macedo
Publikováno v:
ABCD: Arquivos Brasileiros de Cirurgia Digestiva, Vol 24, Iss 2, Pp 95-102 (2011)
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 alterações orgânicas da sepse em humanos são necessários. OBJETIVO: Apresentar
Externí odkaz:
https://doaj.org/article/852827cd9134490c972c10021fb969fd
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. 71:1-10
Autor:
Hugerles S. Silva, Arnaldo S. R. Oliveira, George Victor Rocha Xavier, Edson Guedes da Costa, Alexandre Jean Rene Serres, Rodrigo de Almeida Coelho
Publikováno v:
IEEE Sensors Journal. 21:24644-24652
The degradation level of high voltage equipment insulation systems can be estimated from the monitoring of partial discharge (PD) activity. The radiometric method stands out as one of the most promising methods for monitoring these discharges, howeve
Publikováno v:
IEEE Transactions on Power Delivery. 36:3091-3100
The spread of harmonics in electric power systems causes deviations in voltage and current waveforms from the ideal sinusoidal form and, consequently, the traditional power calculation is unsuitable. One of the power theories defined for non-sinusoid
Publikováno v:
Journal of Control, Automation and Electrical Systems. 32:1588-1602
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 (RMS) value of a signal is one of the crucial quantities in the analysis of EPS. In the pr
Publikováno v:
International Journal of Electrical Power & Energy Systems. 145:108709
Publikováno v:
Electrical Engineering. 102:2325-2339
The increased usage of nonlinear loads in electric systems has dissociated the voltage and current signals from the ideal sinusoidal form and, as a consequence, the traditional power calculation is no longer satisfactory. Several power calculation th
Autor:
Érica Mangueira Lima, Benemar Alencar de Souza, Rodrigo de Almeida Coelho, Caio Marco dos Santos Junqueira, Núbia Silva Dantas Brito
Publikováno v:
Journal of Control, Automation and Electrical Systems. 30:266-276
Voltage sags are disturbances that deserve special attention in power quality (PQ) area, given its frequent occurrences. Their constant monitoring is, therefore, essential to diagnose its causes and mitigate economic losses of electric utility custom
Autor:
Karcius Marcelus Colaço Dantas, Érica Mangueira Lima, Núbia Silva Dantas Brito, Rodrigo de Almeida Coelho, Vinicius Almeida
Publikováno v:
Anais da XIV Conferência Brasileira sobre Qualidade da Energia Elétrica.
Publikováno v:
Anais do Congresso Brasileiro de Automática 2020.
A análise de harmônicos consiste em um dos principais tópicos da qualidade da energia elétrica nos sistemas elétricos de potência. Diante da presença de harmônicos nos sinais de tensão e corrente, o cálculo de potência tradicional é inade