Transformerless Step-Up Inverter Based On Switched-Capacitor Converter Technology

In this paper the integration between a voltage source inverter (VSI) and a switched capacitor converter (SCC) is proposed to generate a sinusoidal waveform with a double peak voltage value at the converter output terminal, without the use of a transformer or a dc-dc boost converter. The novel stru...

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Main Authors: Neilor Colombo Dal Pont, Gierri Waltrich, Telles Brunelli Lazzarin
Format: Article
Language:English
Published: Associação Brasileira de Eletrônica de Potência 2017-09-01
Series:Eletrônica de Potência
Subjects:
Online Access:https://journal.sobraep.org.br/index.php/rep/article/view/228
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author Neilor Colombo Dal Pont
Gierri Waltrich
Telles Brunelli Lazzarin
author_facet Neilor Colombo Dal Pont
Gierri Waltrich
Telles Brunelli Lazzarin
author_sort Neilor Colombo Dal Pont
collection DOAJ
description In this paper the integration between a voltage source inverter (VSI) and a switched capacitor converter (SCC) is proposed to generate a sinusoidal waveform with a double peak voltage value at the converter output terminal, without the use of a transformer or a dc-dc boost converter. The novel structure (VSI-SCC) is designed as a transformerless step-up inverter with linear gain. VSI and SCC models are individually characterized to integrate both structures in only one model. To validate the theoretical analysis a prototype was designed for a power of 1 kW, considering a dc input voltage of 200 V and an ac output voltage of 220 V (rms). In this prototype the VSI converter supplies 110 V (rms) to the SCC converter, and this converter step-up it to 220 V (rms). Furthermore, open and closed-loop control were also tested in the prototype reaching a maximum efficiency of 90%.
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institution OA Journals
issn 1414-8862
1984-557X
language English
publishDate 2017-09-01
publisher Associação Brasileira de Eletrônica de Potência
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series Eletrônica de Potência
spelling doaj-art-7645263cbd6e4c49b7f4feafcc0a20fc2025-08-20T01:48:07ZengAssociação Brasileira de Eletrônica de PotênciaEletrônica de Potência1414-88621984-557X2017-09-0122310.18618/REP.2017.3.2685228Transformerless Step-Up Inverter Based On Switched-Capacitor Converter TechnologyNeilor Colombo Dal Pont0Gierri Waltrich1Telles Brunelli Lazzarin2Federal University of Santa Catarina, Department of Electrical Engineering, Florianópolis-SC, BrazilFederal University of Santa Catarina, Department of Mobility Engineering, Joinville-SC, BrazilFederal University of Santa Catarina, Department of Electrical Engineering, Florianópolis-SC, Brazil In this paper the integration between a voltage source inverter (VSI) and a switched capacitor converter (SCC) is proposed to generate a sinusoidal waveform with a double peak voltage value at the converter output terminal, without the use of a transformer or a dc-dc boost converter. The novel structure (VSI-SCC) is designed as a transformerless step-up inverter with linear gain. VSI and SCC models are individually characterized to integrate both structures in only one model. To validate the theoretical analysis a prototype was designed for a power of 1 kW, considering a dc input voltage of 200 V and an ac output voltage of 220 V (rms). In this prototype the VSI converter supplies 110 V (rms) to the SCC converter, and this converter step-up it to 220 V (rms). Furthermore, open and closed-loop control were also tested in the prototype reaching a maximum efficiency of 90%. https://journal.sobraep.org.br/index.php/rep/article/view/228Linear GainStep-up inverterSwitched capacitorTransformerless
spellingShingle Neilor Colombo Dal Pont
Gierri Waltrich
Telles Brunelli Lazzarin
Transformerless Step-Up Inverter Based On Switched-Capacitor Converter Technology
Eletrônica de Potência
Linear Gain
Step-up inverter
Switched capacitor
Transformerless
title Transformerless Step-Up Inverter Based On Switched-Capacitor Converter Technology
title_full Transformerless Step-Up Inverter Based On Switched-Capacitor Converter Technology
title_fullStr Transformerless Step-Up Inverter Based On Switched-Capacitor Converter Technology
title_full_unstemmed Transformerless Step-Up Inverter Based On Switched-Capacitor Converter Technology
title_short Transformerless Step-Up Inverter Based On Switched-Capacitor Converter Technology
title_sort transformerless step up inverter based on switched capacitor converter technology
topic Linear Gain
Step-up inverter
Switched capacitor
Transformerless
url https://journal.sobraep.org.br/index.php/rep/article/view/228
work_keys_str_mv AT neilorcolombodalpont transformerlessstepupinverterbasedonswitchedcapacitorconvertertechnology
AT gierriwaltrich transformerlessstepupinverterbasedonswitchedcapacitorconvertertechnology
AT tellesbrunellilazzarin transformerlessstepupinverterbasedonswitchedcapacitorconvertertechnology