Cascade Multi-level Converter Based DVR and D-STATCOM for Voltage Sag and Swell Reduction

This paper presents the modeling and simulation of three and seven-level cascade multilevel converter (CMC) based dynamic voltage restorer (DVR) and distribution static compensator (D-STATCOM), aimed at correcting the supply voltage sag/swell and interruption in low voltage distribution networks. Th...

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Bibliographic Details
Main Authors: B. S. , Mohammed, K. S. R. , Rao
Format: Conference or Workshop Item
Published: 2011
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Online Access:http://eprints.utp.edu.my/6213/1/2011_ISCI_-_Mar_20-22_-__DVR_-_MLC_-_KL.pdf
http://eprints.utp.edu.my/6213/
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Institution: Universiti Teknologi Petronas
Description
Summary:This paper presents the modeling and simulation of three and seven-level cascade multilevel converter (CMC) based dynamic voltage restorer (DVR) and distribution static compensator (D-STATCOM), aimed at correcting the supply voltage sag/swell and interruption in low voltage distribution networks. The proposed design models of CMC based DVR and D-STATCOM are expected to be most powerful solutions to minimize supply voltage disturbances of the sensitive loads. The proposed models of DVR and D-STATCOM together with the controllers are simulated by using electromagnetic transient simulation program (PSCAD/ EMTDC) and the results are presented to assess the performance of each device.