Zobrazeno 1 - 10
of 85
pro vyhledávání: '"Newton Da Silva"'
Publikováno v:
Eletrônica de Potência, Vol 29, Pp e202428-e202428 (2024)
Elevado ganho de tensão é comumente necessário em aplicações que envolvem fontes alternativas de energia. Contudo, nesses casos, os conversores elevadores básicos apresentam limitações devidas, essencialmente, à necessidade de operação sob
Externí odkaz:
https://doaj.org/article/7a463deee8cf467797f5c14405d181a9
Publikováno v:
Innovation & Management Review, Vol 20, Iss 2, Pp 103-118 (2023)
Purpose – This study aims to empirically investigate how an industrial region has reacted to different shocks – competitive, market and environmental – through its economic subsystems – its firms, workers and institutions – in a longitudina
Externí odkaz:
https://doaj.org/article/958eac3ddb2e43ea98d5148c09a693a9
Publikováno v:
Innovation & Management Review, Vol 20, Iss 2, Pp 119-131 (2023)
Purpose – The paper describes patterns of study on innovation in the regional economic resilience literature regarding methods and findings. Design/methodology/approach – This study is a descriptive one and it uses, as a method, the scoping revie
Externí odkaz:
https://doaj.org/article/df693d2505d049a5b445073c3365af02
Publikováno v:
Revista Eletrônica de Ciência Administrativa, Vol 21, Iss 1, Pp 149-174 (2022)
The competitiveness brought by application companies, such as Uber, to the individual transport market is often emphasized. However, an important question remains unanswered: what are the strategies implemented by taxi companies, in terms of improvem
Externí odkaz:
https://doaj.org/article/6877ca89fb5f4100be25a1f4f0a19eb7
Autor:
Arthur de Abreu Romão, Newton da Silva
Publikováno v:
Eletrônica de Potência, Vol 27, Iss 1 (2022)
This paper presents the design and analysis of a signal estimator with improved robustness applied in the active damping (AD) of a single-phase grid-tied inverter with LCL low-pass filter. The proposed estimator is based on the mathematical model of
Externí odkaz:
https://doaj.org/article/12c68348a4794ab390b717c231a113c4
Autor:
Arthur de Abreu Romão, Newton da Silva
Publikováno v:
Semina: Ciências Exatas e Tecnológicas, Vol 42, Iss 2 (2021)
Distributed generation systems, based on renewable energy sources, are typically connected to the main grid by a voltage-source inverter with a low-pass filter. The need for improved efficiency led to the use of third order low-pass filters, such as
Externí odkaz:
https://doaj.org/article/2598749e54ea44eeb54894ad5390f44d
Publikováno v:
Turismo: Visão e Ação, Vol 20, Iss 2, Pp 324-343 (2018)
Essa pesquisa bibliométrica analisou a produção acadêmica acerca do composto de marketing em empresas atuantes no turismo, no período de 2012 a 2017. O objetivo do artigo foi identificar tendências nos aspectos metodológicos, nas variáveis do
Externí odkaz:
https://doaj.org/article/6ce1142f51e84890a2f980601a980a0b
Publikováno v:
Revista Gestão Universitária na América Latina, Vol 11, Iss 4, Pp 210-230 (2018)
Although high rates of academic dropout among engineering students are discussed, the so-called apparent dropout phenomenon does not get enough attention, even though they are part of the picture. Thus, the paper addresses this issue among engineerin
Externí odkaz:
https://doaj.org/article/b2b743b250ee4b92b91855bbaeace9d7
Publikováno v:
Semina: Ciências Exatas e Tecnológicas, Vol 38, Iss 1, Pp 63-76 (2017)
Os Sistemas de Energia Renovável (SER) tornaram-se uma alternativa atrativa frente às fontes de energia convencional, devido à necessidade de diversificar a matriz energética e assim garantir o abastecimento da demanda futura de eletricidade de u
Externí odkaz:
https://doaj.org/article/7f097868f1964a519ef889ac5b9ddf0b
Publikováno v:
Cadernos Gestão Pública e Cidadania, Vol 24, Iss 77 (2019)
Apesar da existência de políticas públicas visando à elevação da taxa de acesso à educação superior, ainda persiste a ociosidade de vagas nessa esfera de ensino, tanto no segmento privado quanto no público. Na esfera pública, há política
Externí odkaz:
https://doaj.org/article/a3e100dc86d8403a95fda9da9dd0080b