Tuesday, April 15, 2008

Problems of Uncertainty in Power Networks with Renewables

Professor Ian Hiskens from University of Wisconsin-Madison will talk on the problems renewable energy systems and plug-in electric cars will cause for the electricity grid at the Australian National Unviersity in Canberra, 14 April 2008:

INFOENG SEMINAR SERIES

Problems of Uncertainty in Power Networks with Renewables

Prof. Ian Hiskens (University of Wisconsin-Madison)

DATE: 2008-04-21
TIME: 11:00:00 - 12:00:00
LOCATION: RSISE Seminar Room, ground floor, building 115, cnr. North and Daley Roads, ANU

ABSTRACT:
Renewable generation and plug-in hybrid electric vehicles are set to play an important role in future power networks. This will present a significant change from current systems that are dominated by centralized generation. Accordingly, existing analysis tools are not well suited to assessing the dynamic performance of power networks that incorporate highly distributed generation and storage technologies. Aggregated models of the distributed resources will be necessary, though such models will be highly uncertain. The seminar will present computationally feasible approaches to assessing the influence of uncertainty on the dynamic behaviour of nonlinear systems, with a focus on power networks. A process of ranking parametric influences will be considered. It will be shown that trajectory sensitivities can be used to obtain accurate first-order approximations of trajectories that arise from perturbed parameter sets. These approximate trajectories provide an efficient means of generating an uncertainty envelope around the nominal trajectory.

BIO:
Ian A Hiskens received the BEng (Elec) and BAppSc (Math) degrees from the Capricornia Institute of Advanced Education, Rockhampton, Australia in 1980 and 1983 respectively. He received the PhD degree in Electrical Engineering from the University of Newcastle, Australia in 1991. He is a Professor in the Department of Electrical and Computer Engineering at the University of Wisconsin - Madison. From 1980 to 1992, he was with the Queensland Electricity Supply Industry, where he held the positions of EMS Security Applications Engineer and Planning Engineer Transmission Systems. From 1992 to 1999, he was a Senior Lecturer at the University of Newcastle, Australia, and from 1999 to 2002 a Visiting Professor in the Department of Electrical and Computer Engineering at the University of Illinois at Urbana-Champaign. His major research interests lie in the analysis of nonlinear (hybrid) systems, in particular system dynamics and control, and numerical techniques. Power systems form his primary applications focus. He is involved in numerous IEEE task forces and committees, is past Chair of the Technical Committee on Control of Energy Processing and Power Systems within the IEEE Control Systems Society, and past Chair of the Power Systems and Power Electronic Circuits Technical Committee of the IEEE Circuits and Systems Society. He was an Associate Editor of the IEEE Transactions on Circuits and Systems-I: Regular Papers from 2002 to 2005, and is currently an Associate Editor of the IEEE Transactions on Control Systems Technology. He is the Treasurer of the IEEE Systems Council. Professor Hiskens is a Fellow of the IEEE, a Fellow of Engineers Australia, and a Chartered Professional Engineer in Australia.

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