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SUMMARY:Responding to the Challenges of Wind Variability - Kubik\, M (Univ
 ersity of Reading)
DTSTART:20130425T083000Z
DTEND:20130425T090000Z
UID:TALK44837@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:The variability of energy supplied from renewable resources is
  commonly identified as one of the major challenges of integrating renewab
 le energy with existing power systems.  In Northern Ireland\, with a 40% r
 enewable energy target by 2020\, this is a particularly challenging propos
 ition.  No existing large-scale electricity grid is able to operate withou
 t some minimum level of conventional generation\, which is required for bo
 th system security and to maintain power quality.  This minimum stable gen
 eration level restricts the amount of wind energy that can be used to sati
 sfy system demand\, any excess of which must be wasted ('curtailed')\, at 
 cost\, if it cannot be stored.  A further system operator concern is the o
 ccurrence of low probability\, high swings in wind generation that exceed 
 the operational characteristics of conventional units\, requiring\, for ex
 ample\, fast acting peaking plant to respond to a sudden drop in wind powe
 r.  As wind power increasingly displaces conventional generation from oper
 ating\, the capacity of this generation to respond to wind variability dim
 inishes.\n\nThe purpose of this talk is to overview a research project inv
 estigating both these complex issues using a scenario based approach and a
  32 year long reanalysis wind data set\, validated alongside historic Nort
 hern Ireland and Great Britain wind generation data.  Both challenges are 
 quantified and important factors in order to reduce the system impact of c
 urtailment and improve capability are proposed.  Power plant modifications
 \, interconnection and battery storage are identified as potential solutio
 ns to the challenges faced in Northern Ireland.  The complex interrelated 
 nature of interconnected highlights a further mathematical need to underst
 and to what extent interconnector capacity can be relied upon.\n
LOCATION:Seminar Room 1\, Newton Institute
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