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SUMMARY:Getting a Grip on the Grid: Physics in Electrical Power Systems - 
 Dr Michael Chertkov\, Los Alamos National Laboratory
DTSTART:20130426T130000Z
DTEND:20130426T140000Z
UID:TALK44633@talks.cam.ac.uk
CONTACT:Prof Natalia Berloff
DESCRIPTION:Today's electric power grids\, the largest engineered systems 
 ever built\, \nalready demonstrate complex nonlinear dynamics where\, e.g.
 \, localized collective \neffects of thousands of small consumer appliance
 s may produce serious malfunctions of sections of the grid. These collecti
 ve dynamics are not\nwell understood and are expected to become more compl
 ex in tomorrow's grids as consumer\nappliances become more intelligent and
  autonomous. Tomorrow's will have to integrate the intermittent\npower fro
 m wind and solar farms whose fluctuating outputs create far more complex p
 erturbations.\nGuarding against the worst of those perturbations will requ
 ire taking protective measures based on\nideas from probability and statis
 tical physics.\n\nIn this talk aimed at applied mathematicians\, physicist
 s and network scientists I briefly review the \nhistory of electrical grid
 s and then introduce a few of the physical\, optimization and control \npr
 inciples and phenomena in todayís grids and those that are expected to pl
 ay a major role in \ntomorrowís grids. \n\nI illustrate the new science o
 f the grid on two example: (a) discussing an efficient and highly \nscalab
 le Chance Constrained Optimal Power Flow algorithm providing risk-aware co
 ntrol of \nthe transmission system under uncertainty associated with fluct
 uating renewables (wind farms)\;\nand (b) discussing ODE and PDE modeling 
 of the power distribution system\, in particular explaining \neffects of m
 any inductive motors and distributed photo-voltaic generators on the grid 
 stability. 
LOCATION:MR3\, CMS
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