2010
DOI: 10.1109/tie.2009.2038943
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A Universal Grid-Connected Fuel-Cell Inverter for Residential Application

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Cited by 107 publications
(30 citation statements)
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“…Moreover, the large voltage boost factor requirement presents a unique challenge to the dc/dc converter design [2]. This specific requirement could be fulfilled in different ways: by use of an auxiliary boost converter before the isolated dc/dc converter [3]- [7] or by use of an isolation transformer with a large turns ratio [8]- [14] for effective voltage step-up.…”
mentioning
confidence: 99%
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“…Moreover, the large voltage boost factor requirement presents a unique challenge to the dc/dc converter design [2]. This specific requirement could be fulfilled in different ways: by use of an auxiliary boost converter before the isolated dc/dc converter [3]- [7] or by use of an isolation transformer with a large turns ratio [8]- [14] for effective voltage step-up.…”
mentioning
confidence: 99%
“…The choice of dc/dc converter topology in that case can be broadly categorized as a push-pull or a single-phase full-bridge topology. Because of the symmetrical transformer flux and minimized stress of primary inverter switches, the fullbridge topology has been found to be most useful in terms of cost and efficiency, particularly when implemented for power levels higher than 3 kW [8].…”
mentioning
confidence: 99%
“…A demanda por conversores elevadores que apresentam elevados ganhos de tensão acompanhados de alta eficiência tem aumentado significativamente nos últimos anos. Com aplicações típicas em fontes de energias renováveis tais como células de combustíveis e módulos fotovoltaicos [1], [2], os conversores são utilizados para aumentar os níveis de tensão geradas para posterior inversão e alimentação de equipamentos ou conexão junto à rede elétrica comercial [3], [4].…”
Section: Iunclassified
“…5a) A single master control signal drives all the HF-converter modules for synchronization. By allowing controllable dead times between the switching of the top and bottom devices of each leg, it allows resonant ZVS capabilities [26]. Reference [26] also outlines analytically the issues related to transformer leakage inductance including duty-cycle loss, ZVS range, and device stress that are not repeated in this paper.…”
Section: A Operating Modes Of the Hf Converter And The Ac/ac Cyclocomentioning
confidence: 99%
“…By allowing controllable dead times between the switching of the top and bottom devices of each leg, it allows resonant ZVS capabilities [26]. Reference [26] also outlines analytically the issues related to transformer leakage inductance including duty-cycle loss, ZVS range, and device stress that are not repeated in this paper. The line-frequency-modulating signals for the ac/ac cycloconverter switches are generated by a zero-crossing detector circuit (which compares the bipolar sine wave with the ground level and generate square wave output depending on the polarity of the sine wave).…”
Section: A Operating Modes Of the Hf Converter And The Ac/ac Cyclocomentioning
confidence: 99%