Load compensation for systems with non-stiff source using state feedback

Mishra, Mahesh, Ghosh, Arindam, & Joshi, Avinash (2003) Load compensation for systems with non-stiff source using state feedback. Electric Power Systems Research, 67(1), pp. 35-44.

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Various load compensation schemes proposed in literature assume that voltage source at point of common coupling (PCC) is stiff. In practice, however, the load is remote from a distribution substation and is supplied by a feeder. In the presence of feeder impedance, the PWM inverter switchings distort both the PCC voltage and the source currents. In this paper load compensation with such a non-stiff source is considered. A switching control of the voltage source inverter (VSI) based on state feedback is used for load compensation with non-stiff source. The design of the state feedback controller requires careful considerations in choosing a gain matrix and in the generation of reference quantities. These aspects are considered in this paper. Detailed simulation and experimental results are given to support the control design.

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11 citations in Web of Science®

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ID Code: 37344
Item Type: Journal Article
Refereed: Yes
Keywords: DSTATCOM, State Feedback Control, Linear Quadratic Regulator, Filter Capacitor, Switching Control
DOI: 10.1016/S0378-7796(03)00083-X
ISSN: 0378-7796
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
Deposited On: 05 Oct 2010 04:49
Last Modified: 29 Feb 2012 13:19

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