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SUMMARY:Hierarchical optimisation and equilibrium problems in electricity 
 systems: challenges and status quo - Sonja Wogrin (None / Other)
DTSTART:20190320T090000Z
DTEND:20190320T100000Z
UID:TALK121315@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:This<br>  talk starts off with a brief introduction to hierarc
 hical optimisation and<br>  equilibrium problems\, and continues with a br
 oad overview of different<br>  applications of these types of problems wit
 hin the electricity system (such<br>  as transmission and generation expan
 sion planning\, strategic bidding in<br>  markets and many more). We then 
 establish the status quo of the existing<br>  models and analyse: what lev
 el of technical detail existing models cover\;<br>  what are corresponding
  CPU times\, model size and complexity\; what are the<br>  current methods
  available to solve the arising problems\, and\, raise the<br>  discussion
  of what gets lost in translation. With the former analysis in<br>  mind\,
  we outline the existing lack in the literature\, or better yet the<br>  e
 xisting need to represent complex technical realities in our models. Compl
 ex<br>  realities such as: the AC optimal power flow\, or unit commitment 
 constraints.<br>  We then try to establish the link between the technical 
 nature\, and the<br>  corresponding arising mathematical difficulties in t
 he hierarchical models\,<br>  discussing issues such as non-convexities an
 d non-existence of solutions. The<br>  talk concludes by pointing out some
  of the most recent methodological<br>  advances in these directions\, and
  what still remains to be done.
LOCATION:Seminar Room 1\, Newton Institute
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