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Conference Paper: 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
KeywordsDetector Circuits
Differentiating Circuits
Electric Currents
Electric Inductors
Spurious Signal Noise
Voltage Control
Waveform Analysis
Issue Date2001
PublisherIEEE
Citation
Pesc Record - Ieee Annual Power Electronics Specialists Conference, 2001, v. 4, p. 1899-1904 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- 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) providing inherent electrical isolation and reducing noise coupling between the power circuit and the controller, and 2) having wide operating range. Design criteria for the differentiator and envelope detector circuit will be described. The applicability of the proposed method is verified with the experimental results of a prototype.
Persistent Identifierhttp://hdl.handle.net/10722/136816
ISSN
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.accessioned2011-07-29T02:12:51Z-
dc.date.available2011-07-29T02:12:51Z-
dc.date.issued2001en_HK
dc.identifier.citationPesc Record - Ieee Annual Power Electronics Specialists Conference, 2001, v. 4, p. 1899-1904en_HK
dc.identifier.issn0275-9306en_HK
dc.identifier.urihttp://hdl.handle.net/10722/136816-
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- 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) providing inherent electrical isolation and reducing noise coupling between the power circuit and the controller, and 2) having wide operating range. Design criteria for the differentiator and envelope detector circuit will be described. The applicability of the proposed method is verified with the experimental results of a prototype.en_HK
dc.languageengen_US
dc.publisherIEEEen_US
dc.relation.ispartofPESC Record - IEEE Annual Power Electronics Specialists Conferenceen_HK
dc.subjectDetector Circuitsen_US
dc.subjectDifferentiating Circuitsen_US
dc.subjectElectric Currentsen_US
dc.subjectElectric Inductorsen_US
dc.subjectSpurious Signal Noiseen_US
dc.subjectVoltage Controlen_US
dc.subjectWaveform Analysisen_US
dc.titleA novel voltage sensorless control technique for a bidirectional ac/dc converteren_HK
dc.typeConference_Paperen_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/PESC.2001.954399en_HK
dc.identifier.scopuseid_2-s2.0-0034795051en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0034795051&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume4en_HK
dc.identifier.spage1899en_HK
dc.identifier.epage1904en_HK
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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