NDLI: Analytical conditions for determining feasible commitment states of SCUC problems

Content Provider	IEEE Xplore Digital Library
Author	Qiaozhu Zhai Hongyu Wu Xiaohong Guan
Copyright Year	2010
Description	Author affiliation: Systems Engineering Institute, SKLMS Lab of Xi'an Jiaotong University, 710049, China (Qiaozhu Zhai; Hongyu Wu; Xiaohong Guan)
Abstract	Security constrained unit commitment (SCUC) is one of the most important daily tasks that independent system operators (ISOs) or regional transmission organizations (RTOs) must accomplish in daily electric power market. Identifying the feasibility of the unit commitment state with security constraints is crucial for solving SCUC problems. If the feasibility of unit commitment state can be identified quickly, the efficiency of SCUC problem-solving methods can be greatly improved. In this paper, a group of analytical conditions for a commitment state to be feasible is established. More importantly, most of the commitment states can be quickly identified as feasible/infeasible by using these conditions. Numerical testing is performed for 2 power grids and the preliminary results shows that over 95% of infeasible commitment states are identified analytically by one of the necessary conditions, and over 74% of feasible commitment states are identified by the analytical sufficient conditions. Also, these conditions provide useful information for obtaining feasible SCUC solutions.
Starting Page	1
Ending Page	8
File Size	596427
Page Count	8
File Format	PDF
ISBN	9781424465491
ISSN	19449925
e-ISBN	9781424465514
e-ISBN	9781424483570
DOI	10.1109/PES.2010.5589728
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sufficient conditions Security Spinning Equations Power transmission lines Transmission line matrix methods Load flow Mixed Integer Linear Programming Unit Commitment Security Constraints Feasibility Conditions
Content Type	Text
Resource Type	Article

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