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Article: A Novel Voltage Sensorless Control Technique for a Bidirectional AC/DC Converter

TitleA Novel Voltage Sensorless Control Technique for a Bidirectional AC/DC Converter
Authors
KeywordsAC/DC conversion
Bidirectional power converters
Voltage sensorless control
Issue Date2003
PublisherIEEE
Citation
Ieee Transactions On Power Electronics, 2003, v. 18 n. 6, p. 1346-1355 How to Cite?
AbstractA novel voltage sensorless control technique for a bidirectional ac/dc converter is presented. Only a single current sensor that measures the inductor current is needed in the whole system. The sensed inductor current is used for two functions. The first one is for shaping the current waveform at the ac side and the second one is for deriving the inductor voltage by determining the rate of change of the inductor current. The ac-side and dc-side voltages, which are used for ac current synchronization and dc voltage regulation, respectively, are obtained by extracting the envelopes of the derived inductor voltage. Apart from reducing the number of sensing elements, the proposed method has additional advantages of 1) inherent electrical isolation and reducing noise coupling between the power circuit and the controller; 2) wide operating range. Design criteria for the differentiator and the envelope detector circuit has been described. The applicability of the proposed method is verified with the experimental results of a laboratory prototype.
Persistent Identifierhttp://hdl.handle.net/10722/137002
ISSN
2015 Impact Factor: 4.953
2015 SCImago Journal Rankings: 3.005
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYip, SCen_HK
dc.contributor.authorQiu, DYen_HK
dc.contributor.authorChung, HSHen_HK
dc.contributor.authorHui, SYRen_HK
dc.date.accessioned2011-07-29T02:14:02Z-
dc.date.available2011-07-29T02:14:02Z-
dc.date.issued2003en_HK
dc.identifier.citationIeee Transactions On Power Electronics, 2003, v. 18 n. 6, p. 1346-1355en_HK
dc.identifier.issn0885-8993en_HK
dc.identifier.urihttp://hdl.handle.net/10722/137002-
dc.description.abstractA novel voltage sensorless control technique for a bidirectional ac/dc converter is presented. Only a single current sensor that measures the inductor current is needed in the whole system. The sensed inductor current is used for two functions. The first one is for shaping the current waveform at the ac side and the second one is for deriving the inductor voltage by determining the rate of change of the inductor current. The ac-side and dc-side voltages, which are used for ac current synchronization and dc voltage regulation, respectively, are obtained by extracting the envelopes of the derived inductor voltage. Apart from reducing the number of sensing elements, the proposed method has additional advantages of 1) inherent electrical isolation and reducing noise coupling between the power circuit and the controller; 2) wide operating range. Design criteria for the differentiator and the envelope detector circuit has been described. The applicability of the proposed method is verified with the experimental results of a laboratory prototype.en_HK
dc.languageengen_US
dc.publisherIEEEen_US
dc.relation.ispartofIEEE Transactions on Power Electronicsen_HK
dc.subjectAC/DC conversionen_HK
dc.subjectBidirectional power convertersen_HK
dc.subjectVoltage sensorless controlen_HK
dc.titleA Novel Voltage Sensorless Control Technique for a Bidirectional AC/DC Converteren_HK
dc.typeArticleen_HK
dc.identifier.emailHui, SYR:ronhui@eee.hku.hken_HK
dc.identifier.authorityHui, SYR=rp01510en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1109/TPEL.2003.818834en_HK
dc.identifier.scopuseid_2-s2.0-0242527289en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0242527289&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume18en_HK
dc.identifier.issue6en_HK
dc.identifier.spage1346en_HK
dc.identifier.epage1355en_HK
dc.identifier.isiWOS:000186436100014-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridYip, SC=7102134301en_HK
dc.identifier.scopusauthoridQiu, DY=7102135497en_HK
dc.identifier.scopusauthoridChung, HSH=7404007467en_HK
dc.identifier.scopusauthoridHui, SYR=7202831744en_HK

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