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Conference Paper: Boundary control of dynamic voltage restorers in voltage harmonic compensation

TitleBoundary control of dynamic voltage restorers in voltage harmonic compensation
Authors
KeywordsBoundary control
Dynamic voltage restorers (DVR)
Harmonic compensation
Series compensation
Voltage compensation
Issue Date2006
PublisherIEEE
Citation
Pesc Record - Ieee Annual Power Electronics Specialists Conference, 2006 How to Cite?
AbstractDynamic voltage restorer (DVR) is used to provide load voltage support and protect sensitive load during voltage sags situation. However, voltage sags do not appear frequently and hence the utilization of the DVR is low. In order to increase the utilization of the DVR, the DVR should operate to compensate any load voltage instability especially the load voltage harmonics and source voltage variations in steady-state operation. A boundary controller using a second-order switching surface is proposed for DVR application for both voltage sags and power quality control under steady-state condition. The switching surface is derived to estimate the state trajectory movement of the DVR after a hypothesized switching action. It results in a high state trajectory velocity along the switching surface. This phenomenon accelerates the trajectory moving towards the target operating point. The dynamic performance of the DVR is verified experimentally with distorted supply voltages, non-linear loads and distorted voltage sag situation. Experimental results confirm that the proposed boundary control scheme can achieve better harmonic compensation performance than some other control methods.
Persistent Identifierhttp://hdl.handle.net/10722/136960
ISSN
References

 

DC FieldValueLanguage
dc.contributor.authorChan, PKWen_HK
dc.contributor.authorChung, HSHen_HK
dc.contributor.authorHui, SYRen_HK
dc.date.accessioned2011-07-29T02:13:48Z-
dc.date.available2011-07-29T02:13:48Z-
dc.date.issued2006en_HK
dc.identifier.citationPesc Record - Ieee Annual Power Electronics Specialists Conference, 2006en_HK
dc.identifier.issn0275-9306en_HK
dc.identifier.urihttp://hdl.handle.net/10722/136960-
dc.description.abstractDynamic voltage restorer (DVR) is used to provide load voltage support and protect sensitive load during voltage sags situation. However, voltage sags do not appear frequently and hence the utilization of the DVR is low. In order to increase the utilization of the DVR, the DVR should operate to compensate any load voltage instability especially the load voltage harmonics and source voltage variations in steady-state operation. A boundary controller using a second-order switching surface is proposed for DVR application for both voltage sags and power quality control under steady-state condition. The switching surface is derived to estimate the state trajectory movement of the DVR after a hypothesized switching action. It results in a high state trajectory velocity along the switching surface. This phenomenon accelerates the trajectory moving towards the target operating point. The dynamic performance of the DVR is verified experimentally with distorted supply voltages, non-linear loads and distorted voltage sag situation. Experimental results confirm that the proposed boundary control scheme can achieve better harmonic compensation performance than some other control methods.en_HK
dc.languageengen_US
dc.publisherIEEEen_US
dc.relation.ispartofPESC Record - IEEE Annual Power Electronics Specialists Conferenceen_HK
dc.subjectBoundary controlen_HK
dc.subjectDynamic voltage restorers (DVR)en_HK
dc.subjectHarmonic compensationen_HK
dc.subjectSeries compensationen_HK
dc.subjectVoltage compensationen_HK
dc.titleBoundary control of dynamic voltage restorers in voltage harmonic compensationen_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.2006.1711866en_HK
dc.identifier.scopuseid_2-s2.0-42449152853en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-42449152853&selection=ref&src=s&origin=recordpageen_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridChan, PKW=27171596000en_HK
dc.identifier.scopusauthoridChung, HSH=7404007467en_HK
dc.identifier.scopusauthoridHui, SYR=7202831744en_HK

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