NDLI: Improved Merit Order and Augmented Lagrange Hopfield Network for Ramp Rate and Transmission Constrained Unit Commitment

Content Provider	IEEE Xplore Digital Library
Author	Vo Ngoc Dieu Ongsakul, W.
Copyright Year	2007
Description	Author affiliation: Asian Inst. of Technol., Pathumthani (Vo Ngoc Dieu; Ongsakul, W.)
Abstract	This paper proposes an improved merit order (IMO) and augmented Lagrange Hopfield neural network (ALHN) for solving ramp rate and transmission constrained unit commitment (RTUC) problem. The IMO is a merit order enhanced by a heuristic search algorithm based on average production cost of units, and the ALHN is a continuous Hopfield network with its energy function based on augmented Lagrangian relaxation. In the proposed method, IMO is used for solving unit scheduling and repairing constraint violations such as minimum up/down time, ramp rate, transmission limit, and 15 minute spinning reserve response time, and ALHN is applied for solving economic dispatch based on the obtained unit scheduling by the IMO. The proposed IMO-ALHN is tested on 24-bus IEEE Reliability Test System with 26 units and compared to dynamic priority list (DPL), enhanced adaptive Lagrangian relaxation (ELR), and advanced hybrid genetic algorithm (AHGA). The results show that the proposed method obtains less total costs than the others. Therefore, the proposed method is favorable for unit commitment with ramp rate and transmission constraints.
Starting Page	1
Ending Page	8
File Size	346643
Page Count	8
File Format	PDF
ISBN	142441296X
ISSN	19325517
DOI	10.1109/PES.2007.385925
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-24
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Lagrangian functions System testing Hopfield neural networks Heuristic algorithms Continuous production Cost function Spinning Delay Power generation economics Page description languages transmission constrained unit commitment Augmented Lagrange Hopfield neural network heuristic search merit order ramp rate
Content Type	Text
Resource Type	Article

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