Results 91 to 100 of about 13,193 (310)

Voltage calculation on low voltage feeders with distributed generation

open access: yes, 2014
Includes bibliographical references.The increasing levels of greenhouse gas emission and the continued depletion of fossil fuels have been the driving factors for power utilities to utilize renewable energy sources for power generation.
Namanya, Emmanuel
core  

Concepção, análise e implementação de uma microrrede interligada à rede elétrica para alimentação ininterrupta de cargas CC a partir de fontes renováveis [PDF]

open access: yes, 2013
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Elétrica, Florianópolis, 2013.Nesta tese apresentam-se os procedimentos envolvidos na implementação prática de uma microrrede composta ...
Coelho, Roberto Francisco
core  

Energy management and operational planning of a microgrid with a PV-based active generator for Smart Grid Applications [PDF]

open access: yes, 2011
The development of energy management tools for consumers and next generation PV installations, including storage units, provides flexibility to distribution system operators.
LU, Di   +9 more
core   +1 more source

Azaporphyrinoid‐Based Photo‐ and Electroactive Architectures for Advanced Functional Materials

open access: yesAdvanced Materials, EarlyView.
A long‐standing collaboration between the Torres and Guldi groups has yielded diverse azaporphyrinoid‐based donor‐acceptor nanohybrids with promising applications in solar energy conversion. This conspectus highlights key molecular platforms and structure‐function relationships that govern light and charge management, supporting the rational design of ...
Jorge Labella   +3 more
wiley   +1 more source

Avaliação dos impactos ambientais e no mercado da trajetória tecnológica contemporânea para geração de eletricidade no Brasil [PDF]

open access: yes, 2014
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia de Produção, Florianópolis, 2014.Embora haja consenso internacional sobre a necessidade de controle sobre a poluição e redução dos ...
Vahl, Fabrício Peter
core  

Energetic Offset in Organic Solar Cells‐ Importance, Confusion and Outlook

open access: yesAdvanced Materials, EarlyView.
Energetic offsets in organic solar cells (OSCs) remain a subject of debate due to measurement‐ and lab‐dependent discrepancies. This Perspective clarifies the physical origins of these variations and identifies temperature‐dependent electro‐optical methods as a reliable approach to obtain consistent offset values.
Nakul Jain   +5 more
wiley   +1 more source

Economic Model and Key Influencing Factors of Rooftop Distributed Photovoltaic Power Generation in the Whole County

open access: yes发电技术
ObjectivesIn the context of the “dual carbon” goal and new energy grid parity, the economic analysis of rooftop distributed photovoltaic in the whole county is carried out, in order to explore the feasibility of the county-wide distributed photovoltaic ...
ZHUANG Kun   +7 more
doaj   +1 more source

Regional Photovoltaic Consumption Control Strategy Based on Non-MPPT Algorithm

open access: yesZhongguo dianli, 2019
This paper proposes a Non-MPPT algorithm suitable for regional rooftop photovoltaic power generation system to solve the problem of excess capacity of PV power generation system, based on the environmental adaptive algorithm of two-stage photovoltaic ...
Geng NIU   +5 more
doaj   +1 more source

A NUMERICAL APPROACH TO OHMIC LOSSES ASSESSMENT IN CONCENTRATING PHOTOVOLTAIC SYSTEMS

open access: yes, 2012
It is well known that concentrator solar cells operating under concentration experience a number of physical effects which affect their performances. In particular, ohmic losses can determine a noticeable performance worsening of concentrator solar cells.
Pasquini, Matteo
core  

Avoiding the non-detection zone of passive loss-of-mains (islanding) relays for synchronous generation by using low bandwidth control loops and controlled reactive power mismatches [PDF]

open access: yes, 2014
Generation connected to electrical distribution systems requires reliable and timely detection of loss of-mains (islanding). Passive loss of mains detection relays typically use measurements of parameters such as frequency, phase, and the magnitudes of ...
Roscoe, Andrew   +2 more
core   +1 more source

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