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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/18980

Title: Small Signal Modeling of Resonant Controlled VSC Systems
Authors: Podrucky, Stephen
Advisor: Lehn, Peter W.
Department: Electrical and Computer Engineering
Keywords: VSC
Resonant Control
Small Signal Modeling
Issue Date: 16-Feb-2010
Abstract: A major issue with respect to VSC based systems is the propagation of harmonics to DC side loads due to AC voltage source unbalance. Standard dq-frame control techniques currently utilized offer little mitigation of these unwanted harmonics. Recently, resonant controllers have emerged as an alternative to dq-frame controllers for regulation of grid connected converters for distributed resources. Although these control systems behave somewhat similar to dq-frame controllers under balanced operating conditions, their behaviour under unbalanced operation is superior. Currently, there are no linearized state space models of resonant controlled VSC systems. This work will develop a linearized small signal state space model of a VSC system, where resonant current controllers are used for regulation of the grid currents. It will also investigate the stability of resonant controlled VSC based systems using eigenvalue analysis for HVDC applications.
URI: http://hdl.handle.net/1807/18980
Appears in Collections:Master
The Edward S. Rogers Sr. Department of Electrical & Computer Engineering - Master theses

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