Foldback current control for a DG to achieve Fast Arc Extinction in a distribution network
Dewadasa, Manjula, Ghosh, Arindam, & Ledwich, Gerard (2009) Foldback current control for a DG to achieve Fast Arc Extinction in a distribution network. In Proceedings for the 3rd biennial Smart Systems Postgraduate Student Conference, Owen J Wordsworth Room, Queensland University of Technology, Gardens Point, Brisbane.
The distribution network reliability can be increased if distributed generators (DGs) are allowed to operate in both grid-connected and islanded operations when the network has a high DG penetration level. However, the current utility regulations do not allow for the islanded operation. The arc faults are the one of the major issues preventing the islanded operation, since the arc will not extinguish if the DGs are not disconnected.
In this paper, the effect of a converter interfaced DG on an arc fault is investigated by considering different control strategies for the converter. The foldback current control characteristic is proposed to a converter interfaced DG to achieve quick arc extinction and self-restoration without disconnecting the DG in the event of an arc fault. The results are validated through PSCAD/EMTDC simulations.
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|Item Type:||Conference Paper|
|Keywords:||arc fault, arc extinction, current limiting, foldback current|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600) > Electrical and Electronic Engineering not elsewhere classified (090699)|
|Divisions:||Past > Schools > School of Engineering Systems|
|Copyright Owner:||Copyright 2009 Queensland University of Technology|
|Deposited On:||03 Nov 2009 14:59|
|Last Modified:||10 Jun 2010 00:07|
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