Electronics converters with high energy efficiency indices
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BERZAN, Vladimir, ERMURACHI, Iurie, ANDRONATI, Nicolae, MORARU, Larisa, PENTIUC, Radu Dumitru, FILOTE, Constantin L.. Electronics converters with high energy efficiency indices. In: Ukraine Conference on Electrical and Computer Engineering: IEEE UKRCON 2019, 2-6 iulie 2019, Lviv. New Jersey, Statele Unite: Institute of Electrical and Electronics Engineers Inc., 2019, Ediția a 2-a, pp. 468-473. ISBN 978-172813882-4. DOI: 10.1109/UKRCON.2019.8880020
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Ukraine Conference on Electrical and Computer Engineering
Ediția a 2-a, 2019
Conferința "2nd IEEE Ukraine Conference on Electrical and Computer Engineering"
Lviv, Ucraina, 2-6 iulie 2019

Electronics converters with high energy efficiency indices

DOI: https://doi.org/10.1109/UKRCON.2019.8880020

Pag. 468-473

Berzan Vladimir1, Ermurachi Iurie1, Andronati Nicolae1, Moraru Larisa1, Pentiuc Radu Dumitru2, Filote Constantin L.2
1 Institute of Power Engineering,
2 „Ștefan cel Mare” University, Suceava
Disponibil în IBN: 10 martie 2023


Effective transformation of electricity has a wide scope of application and presents a current problem in enhancing energy efficiency. The paper examines innovative solutions for the realization of DC / DC and AC / DC electronic power converters, which can be used of the supply of quality electricity to different consumers, including those consumers which used of renewable energy sources. The performance of the proposed solutions is based on the transfer of energy at high frequency from the primary source to the load. Converters use fly-back and forward mode. It is proposed of the simplified topologies of converters with intermediate energy accumulation in the magnetic fields of the high frequency transformer, in external inductance and / or in electrical field of the capacitance. The transistors have soft switching type ZVS (zero voltage switching). The AC / DC converter ensures the stabilization of the output voltage and the compensation of the power factor. Brief descriptions of the samples of the converters manufactured are given. The proposed converters have the 9698% efficiency, a power density of to 20 kW / dm3 and a simple topology of the electrical scheme. 

converter, fly-back, forward, High density of power, Power factor compensating, Voltage stabilizing, ZVS