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Conference Paper: Control of active power factor corrector using a single current sensor

TitleControl of active power factor corrector using a single current sensor
Authors
KeywordsElectric Current Control
Electric Inductors
Power Control
Signal Processing
Transducers
Voltage Control
Waveform Analysis
Issue Date2000
PublisherIEEE
Citation
Pesc Record - Ieee Annual Power Electronics Specialists Conference, 2000, v. 2, p. 577-582 How to Cite?
AbstractThis paper presents the realization of a boost-type active power factor corrector (APFC) using a single current sensor to sense the inductor current for input current shaping and output voltage regulation. Neither input voltage nor output voltage sensing is needed. The sensed inductor current is used for two main functions. The first one is for comparing with a sawtooth signal in order to shape the input current waveform. The second one is for determining the input and output voltages by processing the rates of change of the inductor current when the main switch is in on and off states, respectively. Compared to conventional APFCs, the proposed technique has several advantages. First, no dissipative voltage divider is required. Second, electrical isolation between the power conversion stage and the control stage can be achieved inherently. Third, no complicated or sophisticated digital sampling and numerical computations are needed. The applicability and accuracy of the proposed technique have been confirmed experimentally.
Persistent Identifierhttp://hdl.handle.net/10722/136823
ISSN

 

DC FieldValueLanguage
dc.contributor.authorChung, Henry SHen_HK
dc.contributor.authorHui, SYRen_HK
dc.contributor.authorQiu, DYen_HK
dc.date.accessioned2011-07-29T02:12:54Z-
dc.date.available2011-07-29T02:12:54Z-
dc.date.issued2000en_HK
dc.identifier.citationPesc Record - Ieee Annual Power Electronics Specialists Conference, 2000, v. 2, p. 577-582en_HK
dc.identifier.issn0275-9306en_HK
dc.identifier.urihttp://hdl.handle.net/10722/136823-
dc.description.abstractThis paper presents the realization of a boost-type active power factor corrector (APFC) using a single current sensor to sense the inductor current for input current shaping and output voltage regulation. Neither input voltage nor output voltage sensing is needed. The sensed inductor current is used for two main functions. The first one is for comparing with a sawtooth signal in order to shape the input current waveform. The second one is for determining the input and output voltages by processing the rates of change of the inductor current when the main switch is in on and off states, respectively. Compared to conventional APFCs, the proposed technique has several advantages. First, no dissipative voltage divider is required. Second, electrical isolation between the power conversion stage and the control stage can be achieved inherently. Third, no complicated or sophisticated digital sampling and numerical computations are needed. The applicability and accuracy of the proposed technique have been confirmed experimentally.en_HK
dc.languageengen_US
dc.publisherIEEEen_US
dc.relation.ispartofPESC Record - IEEE Annual Power Electronics Specialists Conferenceen_HK
dc.subjectElectric Current Controlen_US
dc.subjectElectric Inductorsen_US
dc.subjectPower Controlen_US
dc.subjectSignal Processingen_US
dc.subjectTransducersen_US
dc.subjectVoltage Controlen_US
dc.subjectWaveform Analysisen_US
dc.titleControl of active power factor corrector using a single current sensoren_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.scopuseid_2-s2.0-0034470779en_HK
dc.identifier.volume2en_HK
dc.identifier.spage577en_HK
dc.identifier.epage582en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridChung, Henry SH=7404007467en_HK
dc.identifier.scopusauthoridHui, SYR=7202831744en_HK
dc.identifier.scopusauthoridQiu, DY=7102135497en_HK

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