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Asymmetrical DC link voltage balance of a cascaded two level inverter based STATCOM

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Title Asymmetrical DC link voltage balance of a cascaded two level inverter based STATCOM
 
Creator BABU, NNVS
RAO, DA
FERNANDES, BG
 
Subject multilevel inverters
performance
converter
cascaded converter
multilevel inverter
statcom
voltage unbalance
 
Description Voltage unbalance is one of the main limitation of cascaded based multilevel STATCOM. This paper presents a simple control strategy for the voltage balance of a cascaded two level inverter based STATCOM. The topology consists of two conventional three phase two level inverters connected in cascade. The two inverters operate at two different dc link voltages to obtain four level operation at STATCOM output. Simulation studies are carried out to predict the performance of the proposed control strategy. A laboratory prototype is developed to validate the results. Small signal stability analysis of cascaded inverter is also carried out to predict the system behavior.
 
Publisher IEEE
 
Date 2011-10-25T04:18:19Z
2011-12-15T09:11:26Z
2011-10-25T04:18:19Z
2011-12-15T09:11:26Z
2010
 
Type Proceedings Paper
 
Identifier TENCON 2010: 2010 IEEE REGION 10 CONFERENCE,483-488
978-1-4244-6890-4
0886-1420
http://dx.doi.org/10.1109/TENCON.2010.5686708
http://dspace.library.iitb.ac.in/xmlui/handle/10054/15600
http://hdl.handle.net/100/2067
 
Source IEEE Region 10 Conference on TENCON 2010,Fukuoka, JAPAN,NOV 21-24, 2010
 
Language English