NDLI: Lagrangian Heuristics Based on Disaggregated Bundle Methods for Hydrothermal Unit Commitment

Content Provider	IEEE Xplore Digital Library
Author	Borghetti, A. Frangioni, A. Lacalandra, F. Nucci, C. A.
Copyright Year	1981
Abstract	The paper presents a simple and effective Lagrangian relaxation approach for the solution of the optimal short-term unit commitment problem in hydrothermal power generation systems. The proposed approach, based on a disaggregated Bundle method for the solution of the dual problem, with a new warm-starting procedure, achieves accurate solutions in few iterations. The adoption of a disaggregated Bundle method not only improves the convergence of the proposed approach but also provides information that are suitably exploited for generating a feasible solution of the primal problem and for obtaining an optimal hydro scheduling. A comparison between the proposed Lagrangian approach and other ones, based on subgradient and Bundle methods, is presented for a simple yet reasonable formulation of the hydrothermal unit commitment problem.
Starting Page	60
Ending Page	60
Page Count	1
File Size	358932
File Format	PDF
ISSN	02721724
Volume Number	22
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-12-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Lagrangian functions Switches Hydroelectric-thermal power generation Power generation dispatch Hydroelectric power generation Optimization methods Energy resources Automation Costs Investments mixed-integer programming power generation scheduling power generation dispatch optimization methods
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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