NDLI: Towards a theory of optimal dispatch in the short run

Content Provider	IEEE Xplore Digital Library
Author	Biggar, D.R. Hesamzadeh, M.R.
Copyright Year	2011
Description	Author affiliation: Australian Energy Regulator, Australian (Biggar, D.R.) \|\| Royal Institute of Technology, Sweden (Hesamzadeh, M.R.)
Abstract	In a typical liberalized wholesale electricity market, the output of controllable units is determined at regular intervals through a dispatch process. However, since the physical limits of power systems must be respected down to time scales shorter than the dispatch interval, in practice system operators must also be able adjust the output of controllable units over very short time frames - typically through the procurement and dispatch of reserves, ancillary services or balancing services. To date, the procurement and dispatch of balancing services has been guided by heuristics and rules of thumb. Yet the approach to the dispatch of balancing services can have a significant impact on the pre-contingent or system normal dispatch of the power system. In principle, improvements in the efficiency of the dispatch of balancing services could significantly improve the efficiency of the utilization of power system assets. This paper observes that the dispatch of balancing services should correspond to optimal dispatch in a dispatch process with a very short dispatch interval. We also identify a set of conditions which the procurement and dispatch of balancing services should satisfy and compare those conditions to the current arrangements for ancillary services in the Australian National Electricity Market.
Starting Page	1
Ending Page	7
File Size	544778
Page Count	7
File Format	PDF
ISBN	9781457708732
e-ISBN	9781457708756
e-ISBN	9781457708749
DOI	10.1109/ISGT-Asia.2011.6167164
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-11-13
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Procurement Security-constrained market clearing Power transmission lines Roads Transmission constraints Spinning reserves Optimal power flow Propagation losses Generators Steady-state Ancillary services
Content Type	Text
Resource Type	Article

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