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Transformer less boost/buck dc-ac converter
2015 International Conference on Circuits, Power and Computing Technologies [ICCPCT-2015], 2015This paper introduces a new transformer less dc-ac converter with the feature that it produces an instantaneous output voltage higher or lower than the input dc voltage. The topology consists of two switching cells, well known dynamic response, does not have transformer or power conversion stage that saves us mass, losses, and volume of a transformer ...
Amrutha Mohan, Aswathy Rajan
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Cascaded Symmetrical Hybrid Multilevel Dc-Ac converter
2010 IEEE Energy Conversion Congress and Exposition, 2010This paper proposes the cascading of Symmetrical Hybrid Multilevel Inverters based on the three-levels cell (TC). The inverter operates with dc power sources of equal value and two distinct switching frequencies. The presented inverter presents high modularity as an advantage, which makes it very reliable since it can be designed with redundancy in the
Domingo Ruiz-Caballero +5 more
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A DC-AC converter for nonlinear loads
Proceedings of the IEEE International Symposium on Industrial Electronics, 2002Many industrial printing machines use tubular fluorescent lamps with a power consumption of more than 6 kW. These fluorescent lamps have a highly nonlinear characteristic, especially at powering up time. They are powered in most applications by conventional leak transformers to adapt to their nonlinear characteristics.
A. Kern, B. Yu, G. Schroder
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THD Reduction using Cascaded DC-AC-DC-AC Multilevel Converter
2023 International Conference in Advances in Power, Signal, and Information Technology (APSIT), 2023null Abhishek +2 more
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An Improved DC-AC Power Converter
2023 IEEE AFRICON, 2023Candidus U. Eya +5 more
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A transformer-like model for the DC/AC converter
IEEE International Conference on Industrial Technology, 2003, 2004The paper proposes a two-port model of the inverter leg as building block to simulate the various topologies of switched-mode DC/AC converters, overcoming the problems encountered with the usual switch-diode simulation approach while retaining the interaction between the AC and DC sides.
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