Use of PLL stability for islanding detection

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dc.contributor.assigneeVirginia Tech Intellectual Properties, Inc.en
dc.contributor.inventorWang, Freden
dc.contributor.inventorBurgos, Rolandoen
dc.contributor.inventorBoroyevich, Dushanen
dc.contributor.inventorThacker, Timothy N.en
dc.date.accessed2016-08-19en
dc.date.accessioned2016-08-24T17:55:19Zen
dc.date.available2016-08-24T17:55:19Zen
dc.date.filed2011-07-14en
dc.date.issued2014-09-02en
dc.description.abstractA phase detector for a phase-locked loop includes a phase detector that is configured to become unstable, oscillate and drift rapidly in frequency in a predictable manner when a reference frequency signal is not available. When applied, for example, to a power converter connected to a power distribution grid, the predictable oscillatory and rapid frequency drift behavior when the phase detector is unstable allows very rapid and reliable detection of disconnection from the grid, referred to as islanding.en
dc.format.mimetypeapplication/pdfen
dc.identifier.applicationnumber13182978en
dc.identifier.patentnumber8823416en
dc.identifier.urihttp://hdl.handle.net/10919/72730en
dc.identifier.urlhttp://pimg-fpiw.uspto.gov/fdd/16/234/088/0.pdfen
dc.language.isoen_USen
dc.publisherUnited States Patent and Trademark Officeen
dc.subject.cpcH02J3/382en
dc.subject.cpcH02J3/383en
dc.subject.cpcH02J3/386en
dc.subject.cpcH02J2003/388en
dc.subject.cpcH03L7/085en
dc.subject.cpcY02E10/563en
dc.subject.cpcY02E10/763en
dc.subject.cpcY10T307/735en
dc.subject.uspc307/87en
dc.subject.uspcother327/2en
dc.subject.uspcother327/156en
dc.subject.uspcother331/25en
dc.subject.uspcother375/376en
dc.titleUse of PLL stability for islanding detectionen
dc.typePatenten
dc.type.dcmitypeTexten
dc.type.patenttypeutilityen

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