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Sliding-mode control of a transformer-less dual-stage grid-connected photovoltaic micro-inverter
(10th International Multi-Conferences on Systems, Signals & Devices 2013 (SSD13), 2020)
Model Predictive Control for An Improved Transformer-less Five-level PV Inverter Topology
(Institute of Electrical and Electronics Engineers Inc., 2022)
Power inverters have been located at the heart of photovoltaic (PV) applications. Transformer-less inverters possess several benefits over transformer-based PV inverters such as low volume, low cost, and higher effectiveness ...
High Efficiency Single-Phase Transformer-less Inverter for Photovoltaic Applications
(Facultad de Ingeniería, 2016)
High Efficiency Single-Phase Transformer-less Inverter for Photovoltaic Applications
(Facultad de Ingeniería, 2016)
Inverting the pyramid of values? Trends in less-developed countries
(Springer, 2009-12)
The authors discuss the consistency of transnational companies in their home, as well as in less developed host countries, concerning ethics, values and social responsibility. Ethical behavior offers good reputation, ...
Forno microondas com potência controlável
(Universidade Tecnológica Federal do ParanáCuritibaBrasilEngenharia EletrônicaUTFPR, 2019-12-12)
In this project, a power control circuit was designed for use in microwave ovens, allowing the control of the magnetron’s output power. This circuit spends less energy and has a reduced size in relation to traditional ...
Inversor ressonante em comutação suave para levitação ultrassônica
(2021-12)
In this work was developed an ultrasonic resonant inverter as a power source for a power ultrasonic transducer capable of emitting acoustic waves enough to levitate small particles. It has been allied with a hypothetical ...
Conversor de fator de potência verdadeiramente unitário como inversor central em geração fotovoltaica
(Universidade Federal de Minas GeraisBrasilENG - DEPARTAMENTO DE ENGENHARIA ELÉTRICAPrograma de Pós-Graduação em Engenharia ElétricaUFMG, 2020-08-26)
The massive use of converters in electrical power systems has benefits as diverse as their purposes. A commonly verified limitation is associated with the amount of residual harmonics that the converters inject into the ...
Filosofia à sombra de Auschwitz: elementos de uma hermenêutica da (des)esperança no pensamento de Theodor W. Adorno
(Pontifícia Universidade Católica do Rio Grande do SulPorto Alegre, 2008)
Um estudo sobre o pensamento de Theodor W. Adorno, que destaca as suas características como filosofia. Trata-se de uma filosofia consciente de seu exercício debaixo de uma sombra catastrófica que tudo cobre, inclusive ela ...
Filosofia à sombra de Auschwitz: elementos de uma hermenêutica da (des)esperança no pensamento de Theodor W. Adorno
(Pontifícia Universidade Católica do Rio Grande do SulPorto Alegre, 2008)
Um estudo sobre o pensamento de Theodor W. Adorno, que destaca as suas características como filosofia. Trata-se de uma filosofia consciente de seu exercício debaixo de uma sombra catastrófica que tudo cobre, inclusive ela ...