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dc.contributor.authorLaw, Kah Haw
dc.contributor.authorDahidah, M.
dc.date.accessioned2017-11-24T05:25:22Z
dc.date.available2017-11-24T05:25:22Z
dc.date.created2017-11-24T04:48:52Z
dc.date.issued2014
dc.identifier.citationLaw, K.H. and Dahidah, M. 2014. New current control algorithm incorporating multilevel SHE-PWM approach for STATCOM operation under unbalanced condition, 2014 IEEE 5th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2014: IEEE.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/58366
dc.identifier.doi10.1109/PEDG.2014.6878703
dc.description.abstract

This paper presents a new decoupling current control algorithm for Static Synchronous Compensator (STATCOM) system operating under unbalanced condition. The STATCOM is constructed using multilevel cascaded H-bridge inverter (CHI) employing new multilevel selective harmonic elimination pulse width modulation (MSHE-PWM) technique. The MSHE-PWM is based on variable DC voltage levels, which enables elimination of more harmonics as well as provides constant switching angles and linear pattern of DC voltage levels over the modulation index range. This further eases the implementation of the technique for dynamic systems such as STATCOM. For simplicity, the DC-DC buck converter is considered to provide the variable DC voltage levels. Current vector controllers based synchronous reference frame (SRF) are proposed in this work to separately regulate the required positive- and negative-sequence variables for correcting the power factor and balancing the three-phase source currents at the point of common coupling (PCC), respectively. The effectiveness and the theoretical analysis of the proposed approach are demonstrated and verified via various simulation studies using MATLAB/SIMULINK for both the dynamic and transient conditions.

dc.publisherIEEE
dc.titleNew current control algorithm incorporating multilevel SHE-PWM approach for STATCOM operation under unbalanced condition
dc.typeConference Paper
dcterms.source.issn2329-5759
dcterms.source.titleIEEE Xplore
dcterms.source.seriesIEEE Xplore
dcterms.source.conference2014 IEEE 5th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2014
dcterms.source.placeIreland
curtin.departmentCurtin Malaysia
curtin.accessStatusFulltext not available


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