Virtual Synchronous Generator: A Control Strategy to Improve Dynamic Frequency Control in Autonomous Power Systems (Articles)

Miguel Torres, Luiz A. C. Lopes

Energy and Power Engineering Vol.5 No.2A，April 29, 2013

DOI: 10.4236/epe.2013.52A005   8,368 Downloads  11,849 Views  Citations
This article belongs to the Special Issue on Development and Integration of Renewable Energy Resources in the Commercial and Industrial Sectors

A Virtual Synchronous Machine to Support Dynamic Frequency Control in a Mini-Grid That Operates in Frequency Droop Mode (Articles)

Miguel Torres, Luiz A. C. Lopes

Energy and Power Engineering Vol.5 No.3，May 13, 2013

DOI: 10.4236/epe.2013.53025   6,713 Downloads  9,084 Views  Citations

Inverter-Based Diesel Generator Emulator for the Study of Frequency Variations in a Laboratory-Scale Autonomous Power System (Articles)

Miguel Torres, Luiz A. C. Lopes

Energy and Power Engineering Vol.5 No.3，May 14, 2013

DOI: 10.4236/epe.2013.53027   7,821 Downloads  11,267 Views  Citations

Accruals, Persistence of Profits and Stock Returns in Brazilian Public Companies (Articles)

Renata Turola Takamatsu, Luiz Paulo Lopes Fávero

Modern Economy Vol.4 No.2，February 26, 2013

DOI: 10.4236/me.2013.42014   5,338 Downloads  7,681 Views  Citations

Response of Castor Bean Plants to Different Row Spacings and Planting Seasons (Articles)

Guilherme Eugênio Machado Lopes, Henrique Duarte Vieira, Fábio Luiz Partelli

American Journal of Plant Sciences Vol.4 No.12A，November 7, 2013

DOI: 10.4236/ajps.2013.412A1002   5,295 Downloads  7,569 Views  Citations
This article belongs to the Special Issue on Plant Morphology Research

Passive Smoking and Children’s Health (Articles)

Luiz Antonio Del Ciampo, Ieda Regina Lopes Del Ciampo

Health Vol.6 No.12，June 23, 2014

DOI: 10.4236/health.2014.612172   3,584 Downloads  5,293 Views  Citations

Heterogeneity in the Second Internal Transcribed Spacer (ITS2) of rDNA in the Genetically Distinct Metopolophium dirhodum Isofemale Lineages (Hemiptera: Aphididae) (Articles)

Marcelo Lopes-da-Silva, Luiz Gonzaga Esteves Vieira

Advances in Entomology Vol.2 No.4，October 14, 2014

DOI: 10.4236/ae.2014.24028   2,848 Downloads  3,325 Views  Citations

Precipitation Patterns in Cape Verde Islands: Santiago Island Case Study (Articles)

Gerson Ernesto Varela-Lopes, Luiz Carlos Baldicero Molion

Atmospheric and Climate Sciences Vol.4 No.5，November 26, 2014

DOI: 10.4236/acs.2014.45075   3,350 Downloads  3,939 Views  Citations
This article belongs to the Special Issue on Climatology Research

Friction Material Temperature Distribution and Thermal and Mechanical Contact Stress Analysis (Articles)

Carlos Abilio Passos Travaglia, Luiz Carlos Rolim Lopes

Engineering Vol.6 No.13，December 26, 2014

DOI: 10.4236/eng.2014.613092   5,456 Downloads  6,388 Views  Citations

Association between Hearing Loss and Vestibular Disorders: A Review of the Interference of Hearing in the Balance (Review)

Tatiana G. T. Santos, Alessandra Ramos Venosa, Andre Luiz Lopes Sampaio

Int'l J. of Otolaryngology and Head & Neck Surgery Vol.4 No.3，April 17, 2015

DOI: 10.4236/ijohns.2015.43030   4,052 Downloads  5,134 Views  Citations

Yield, Water Use Efficiency and Physiological Characteristic of “Tommy Atkins” Mango under Partial Rootzone Drying Irrigation System (Articles)

Marcelo Rocha dos Santos, Breno Rosa Neves, Bismarc Lopes da Silva, Sérgio Luiz Rodrigues Donato

Journal of Water Resource and Protection Vol.7 No.13，September 11, 2015

DOI: 10.4236/jwarp.2015.713084   4,620 Downloads  5,374 Views  Citations

Interdisciplinarity and Teacher Education: The Teacher’s Training of the Secondary School in Rio de Janeiro—Brazil (Articles)

Antonio Augusto Fidalgo-Neto, Renato Matos Lopes, José Leopoldo Cerqueira Magalhães, Max Fonseca Pierini, Luiz Anastácio Alves

Creative Education Vol.5 No.4，March 17, 2014

DOI: 10.4236/ce.2014.54035   6,371 Downloads  8,315 Views  Citations

Breast Milk Micronutrients in Lactating Mothers from Ribeirão Preto (SP), Brazil (Articles)

Marco Túlio Soares Andrade, Luiz Antonio Del Ciampo, Ieda Regina Lopes Del Ciampo, Ivan Savioli Ferraz, Fernando Barbosa Junior

Food and Nutrition Sciences Vol.5 No.13，July 11, 2014

DOI: 10.4236/fns.2014.513130   3,699 Downloads  6,794 Views  Citations
This article belongs to the Special Issue on Baby Food

Mapping Knowledge Produced on Problem-Based Learning between 1945 and 2014: A Bibliometric Analysis (Articles)

Luis Antonio de Pinho, Fábio Batista Mota, Mariza Velloso Fernandez Conde, Luiz Anastácio Alves, Renato Matos Lopes

Creative Education Vol.6 No.6，April 16, 2015

DOI: 10.4236/ce.2015.66057   4,114 Downloads  4,965 Views  Citations

Genetic Variability of Pumpkin Landraces in Brazilian Amazon (Articles)

Lúcia Helena Pinheiro Martins, Hiroshi Noda, Maria Teresa Gomes Lopes, Maria Silvesnizia Paiva Mendonça, Ayrton Luiz Urizzi Martins

Agricultural Sciences Vol.7 No.12，December 15, 2016

DOI: 10.4236/as.2016.712075   1,054 Downloads  1,554 Views  Citations

Analytical Model of Landslide Risk Using GIS (Articles)

Claudio F. Mahler, Erika Varanda, Luiz C. D. de Oliveira

Open Journal of Geology Vol.2 No.3，July 26, 2012

DOI: 10.4236/ojg.2012.23018   6,437 Downloads  11,436 Views  Citations

Hot Blast Flow Measurement in Blast Furnace in Straight Pipe (Articles)

Ricardo S. N. Motta, Edson C. Bortoni, Luiz E. Souza

Modern Instrumentation Vol.2 No.4，September 30, 2013

DOI: 10.4236/mi.2013.24010   6,590 Downloads  10,598 Views  Citations

An Integrated Approach for Process Control Valves Diagnosis Using Fuzzy Logic (Articles)

Alvaro Luiz G. Carneiro, Almir C. S. Porto Jr

World Journal of Nuclear Science and Technology Vol.4 No.3，July 30, 2014

DOI: 10.4236/wjnst.2014.43019   3,702 Downloads  4,276 Views  Citations

Testing through Fall of Potential with High Current Injection in Grounding System in Transmission Line of 500 kV of Santo Antonio HPS (Articles)

Carlos Magno B. Araújo, Luiz H. P. C. Trondoli

Open Access Library Journal Vol.4 No.1，January 20, 2017

DOI: 10.4236/oalib.1103323   951 Downloads  1,802 Views  Citations

Rigid Bridges Health Dynamic Monitoring Using 100 Hz GPS Single-Frequency and Accelerometers (Articles)

João Olympio de Araújo Neto, Jorge Luiz Alves Trabanco, Ana Paula C. Larocca, Andre Luiz Cunha, Marcelo Carvalho dos Santos

Positioning Vol.10 No.2，May 31, 2019

DOI: 10.4236/pos.2019.102002   217 Downloads  399 Views  Citations