Frequency Domain Characterization Of Sliding Mode Control Of An Inverter Used In DSTATCOM Application

Gupta, Rajesh & Ghosh, Arindam (2006) Frequency Domain Characterization Of Sliding Mode Control Of An Inverter Used In DSTATCOM Application. IEEE Transactions on Circuits and Systems Part 1: Regular Papers, 53(3), pp. 662-676.

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In this paper, the commonly used switching schemes for sliding mode control of power converters is analyzed and designed in the frequency domain. Particular application of a distribution static compensator (DSTATCOM) in voltage control mode is investigated in a power distribution system. Tsypkin's method and describing function is used to obtain the switching conditions for the two-level and three-level voltage source inverters. Magnitude conditions of carrier signals are developed for robust switching of the inverter under carrier-based modulation scheme of sliding mode control. The existence of border collision bifurcation is identified to avoid the complex switching states of the inverter. The load bus voltage of an unbalanced three-phase nonstiff radial distribution system is controlled using the proposed carrier-based design. The results are validated using PSCAD/EMTDC simulation studies and through a scaled laboratory model of DSTATCOM that is developed for experimental verification

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ID Code: 37477
Item Type: Journal Article
Refereed: Yes
Keywords: Sliding Mode Control, DSTATCOM, Voltage Source Inverters
ISSN: 1549-8328
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Deposited On: 30 Sep 2010 04:45
Last Modified: 29 Feb 2012 13:30

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