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New active snubber cell for high power isolated PWM DC-DC converters

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dc.contributor.authorYesilyurt, Huseyin
dc.contributor.authorBodur, Haci
dc.date.accessioned2026-06-27T14:16:49Z
dc.date.issued2019
dc.description.abstractHere, a new active snubber cell for high-power isolated pulse-width-modulated (PWM) DC-DC converters is proposed. All semiconductor power devices in the proposed converters operate with full soft switching under a very wide load range, and they are not exposed to any voltage and current stress. The main switches turn on with zero-voltage transition (ZVT) and turn off with zero-voltage switching (ZVS). The auxiliary switches turn on with zero-current switching (ZCS) and turn off with ZVS. The theoretical analysis and design procedure for the proposed active snubber cell are carried out in detail and are verified with a half-bridge (HB) converter implementation having 20V output voltage, 50 A output current, and 80 kHz switching frequency. The overall efficiency of the HB DC-DC converter is increased from about 83% in the hard switching condition to about 90% thanks to the proposed active snubber cell.en
dc.description.urihttps://doi.org/10.1049/iet-cds.2018.5531
dc.identifier.doi10.1049/iet-cds.2018.5531
dc.identifier.eissn1751-8598
dc.identifier.endpage829
dc.identifier.issn1751-858X
dc.identifier.issue6
dc.identifier.startpage822
dc.identifier.urihttps://hdl.handle.net/20.500.14981/58742
dc.identifier.volume13
dc.identifier.wos000537293500012
dc.language.isoeng
dc.publisherWILEY
dc.relation.ispartofIET CIRCUITS DEVICES & SYSTEMS
dc.subjectzero current switching
dc.subjectsnubbers
dc.subjectswitching convertors
dc.subjectzero voltage switching
dc.subjectDC-DC power convertors
dc.subjectPWM power convertors
dc.subjectsemiconductor power devices
dc.subjectsoft switching
dc.subjectwide load range
dc.subjectcurrent stress
dc.subjectmain switches
dc.subjectzero-voltage transition
dc.subjectzero-voltage switching
dc.subjectZVS
dc.subjectauxiliary switches
dc.subjectzero-current switching
dc.subjecttheoretical analysis
dc.subjectdesign procedure
dc.subjecthalf-bridge converter implementation
dc.subjectoutput current
dc.subjectHB DC-DC converter
dc.subjecthard switching condition
dc.subjectactive snubber cell
dc.subjectswitching frequency
dc.subjecthigh power isolated PWM DC-DC converters
dc.subjecthigh-power isolated pulse-width-modulated DC-DC converters
dc.subjectvoltage stress
dc.subjectZVT
dc.subjectoutput voltage
dc.subjectfrequency 80
dc.subject0 kHz
dc.subjectvoltage 20
dc.subject0 V
dc.subjectcurrent 50
dc.subject0 A
dc.subjectIMPLEMENTATION
dc.subjectINVERTER
dc.subjectRECTIFIER
dc.subjectVOLTAGE
dc.subjectDESIGN
dc.subjectEngineering
dc.titleNew active snubber cell for high power isolated PWM DC-DC converters
dc.typeArticle
dspace.entity.typePublication
local.import.sourceWOS

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