Soft-switched quasi-single-stage (QSS) bi-directional inverter/charger

dc.contributor.assigneeVirginia Tech Intellectual Properties, Inc.en
dc.contributor.inventorLee, Fred C.en
dc.contributor.inventorWang, Kunrongen
dc.date.accessed2016-08-19en
dc.date.accessioned2016-08-24T17:54:16Zen
dc.date.available2016-08-24T17:54:16Zen
dc.date.filed2000-08-25en
dc.date.issued2001-12-11en
dc.description.abstractA soft-switched single-phase quasi-single-stage (QSS) bi-directional inverter/charger converts AC-DC or DC-AC. The inverter/charger comprises a push-pull inverter/rectifier on the dc-side, an isolation transformer which provides ohmic isolation and voltage scaling, two full-bridges on the ac side in cascade, a voltage clamp branch comprising a capacitive energy storage element in series with an active switch with its anti-parallel diode, a passive filter at the ac side to smooth out the high frequency switching voltage ripple at the output, and a corresponding PWM scheme to seamlessly control the converter to operate in all four quadrant operation modes in the output voltage and output current plane, and is capable of converting power in both directions.en
dc.format.mimetypeapplication/pdfen
dc.identifier.applicationnumber9648114en
dc.identifier.patentnumber6330170en
dc.identifier.urihttp://hdl.handle.net/10919/72443en
dc.identifier.urlhttp://pimg-fpiw.uspto.gov/fdd/70/301/063/0.pdfen
dc.language.isoen_USen
dc.publisherUnited States Patent and Trademark Officeen
dc.subject.cpcH02J9/062en
dc.subject.cpcH02M3/33584en
dc.subject.cpcH02M5/4585en
dc.subject.cpcH02M7/4807en
dc.subject.cpcH02M7/797en
dc.subject.uspc363/37en
dc.subject.uspcother363/17en
dc.titleSoft-switched quasi-single-stage (QSS) bi-directional inverter/chargeren
dc.typePatenten
dc.type.dcmitypeTexten
dc.type.patenttypeutilityen
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