An Asymmetric Current Battery Charger

A charger for low-voltage lead-acid storage batteries with asymmetric current is described. The applied topology of the double active bridge made it possible to provide a bi-directional mode of operation necessary for the formation of recovery charge-discharge cycles formed by asymmetric bipolar cha...

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Veröffentlicht in:	Instruments and experimental techniques (New York) 2022-04, Vol.65 (2), p.251-254
Hauptverfasser:	Shemolin, I. S., Kalashnikov, I. V., Rulevsky, V. M., Osipov, A. V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Asymmetry Battery chargers Charging Current pulses Electrical Engineering Electronics and Radio Engineering Lead acid batteries Magnetic cores Measurement Science and Instrumentation Physical Chemistry Physics Physics and Astronomy Storage batteries Topology
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Beschreibung
Zusammenfassung:	A charger for low-voltage lead-acid storage batteries with asymmetric current is described. The applied topology of the double active bridge made it possible to provide a bi-directional mode of operation necessary for the formation of recovery charge-discharge cycles formed by asymmetric bipolar charging current pulses with levels of –7 and +20 A of various durations with a frequency of 10 Hz. The developed matching transformer is made on the ELP 38 magnetic core with a high-current single-turn winding from a copper bus.
ISSN:	0020-4412 1608-3180
DOI:	10.1134/S0020441222020075