NDLI: Fast and optimized hydro-thermal coordination scheduling

Content Provider	IEEE Xplore Digital Library
Author	Ahmed, M.M. Ghani, M.R.A. Hassan, I.
Copyright Year	2002
Description	Author affiliation: Kebangsaan Malaysia (KUTKM), Kolej Universiti Teknikal, Melaka, Malaysia (Ahmed, M.M.)
Abstract	In this paper, Tenaga Nasional Berhad (TMB), Malaysian Giant Power Company, real generation data has been undertaken, refined, applied and implemented, the size of the TNB generation system problem is relatively large. The system comprises 53 thermal units and 10 hydro plants of 37 generators. Lagrangian relaxation (LR) technique, Dantzig-Wolf linear programming, sub-gradient method (SGM) and branch and bound (B&B) have been used to relax the LR multipliers for demand and reserve requirements, and decompose the problem into unit-wise initially and thermal and hydro sub-problems finally. The multipliers are then updated at the lower bound level by SGM. B&B along some heuristics is also used to get a feasible schedule in the hydro-thermal coordination system. The heuristics used here are based on programming with C language code that simplifies on/off statuses of units for commitment (UC) and de-commitment scheduling. The required optimum cost and computation time have been achieved.
Starting Page	261
Ending Page	266
File Size	600534
Page Count	6
File Format	PDF
ISBN	0780375254
DOI	10.1109/TDC.2002.1178313
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-10-06
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Upper bound Processor scheduling Hydroelectric power generation Cost function Hydroelectric-thermal power generation Linear programming Power capacitors Fuels Lagrangian functions Power generation
Content Type	Text
Resource Type	Article

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