Master Thesis Proposal
Advanced Analysis of Load Management and Energy Conservation Strategies in Electric Power Systems
By Ayed Ali Algarni
Research Topic:
Load management and energy conservation are currently being considered and adopted by both governments and public utilities around the world in order to cope with the increasingly common situation of limited capacity additions facing, however, a continuously growing demand. In this regard, the electric energy sector today is concerned more than ever before about the issue of maintaining the quality of energy supply within acceptable limits. Under the current economic situation, power utilities are attempting to keep secure energy supply to its customers while minimizing their capital and operating costs. In such an economic environment, the questions of sufficient system reserve margins and the cost of reliability have become key issues in the electricity business. One effective way of offsetting the effect of load growth under constant or limited system generation resources and transmission capacities is to increase the margin between system generation and load during as much operating time as possible. This could be achieved by well-designed load management and energy conservation strategies, which serve both the consumer and the power company.
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Previous Studies:
Considerable research efforts have been expended during the past two decades in developing techniques and criteria for load management and energy conservation in practical power systems. Research and development efforts pertaining to load management approaches and energy conservation strategies, techniques and implementation have been documented in numerous old and recent publications [1-14]. These publications can be classified technically as follows:
a)
References [1-3] deal with the general aspects of power system business and the energy management process as well as the generic terms and definitions associated with both load management and energy conservation.
b) The issues relating to restructuring the electricity service sectors and the role of load management and energy conservation in regulating the energy supply systems are addressed in references [4,5].
c)
References [6,7] deal with the important problem of rate structures and various electricity pricing strategies in the context of load management and energy conservation initiatives.
d) References [8-10] discuss issues relating to customer participation in load management and energy conservation programs, consumer impact on such programs and customer perception of energy-saving drives.
e)
References [11,12] examine the impacts of load management and energy conservation programs on power system operating practices, environment and other related issues.
f)
References [13,14] discuss various technical issues relating to implementation of energy conservation initiatives, space heating/cooling programs and applications of customer load control in load management schemes.
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Research Objectives:
The existing approaches to load management and energy conservation lack the generality for system-wide applications. They either describe a particular practical experience with a load management or energy conservation program, or focus the attention on a particular part of the power grid. In this regard, the proposed research work intends to advance the status of existing methodologies of load management and energy conservation in power systems. This will be achieved by developing more accurate energy utilization models and faster processing algorithms, which suit the large-scale nature of today's interconnected power grids. As an initial objective, the proposed research work will include a comprehensive review of the issues relating to load management and energy conservation programs, from the perspective of the electric energy sector in the Kingdom of Saudi Arabia, and will attempt to address the likely impacts of such programs on both local consumers and the power company. Then, as a subsequent objective, more general and accurate utility and customer energy models will be developed together with advanced, sparsity-based network models leading to improved assessment of both merits and costs of various load management and energy conservation strategies. The new theoretical and computational developments will then be applied to the existing Saudi power grid in order to assess the expected energy savings and improved performance as a result of implementing vigorous and well-designed load management and energy conservation programs.
Research Methodology:
The proposed research work will be mostly of theoretical and analytical nature with some computer program development including the purchase of several available simulation packages. The newly developed network analysis and system simulation models will be substantiated using some standard test systems and available benchmark results. The application of methods and technique developed in this research project to the Saudi power system will be base on network data and historical records supplied by the Saudi Electricity Company – Central Region.
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Thesis Outline:
The proposed research work, when successfully completed, will be documented in a Master's thesis with the following outline:
1.
General introduction to the subject of load management and energy conservation in power industry as well as an overall outline of the thesis objectives.
2.
Comprehensive literature review of various approaches and solution methodologies of load management and energy conservation as adopted and implemented by the power companies.
3.
Assessment of the current state-of-the-art and industry requirements relating to potential improvements in the existing load management and energy conservation practices.
4.
Development of improved methodologies and computational algorithms for large-scale load management and energy conservation programs in practical power grids.
5.
Research-grade software development to test the improved techniques developed and to verify their applicability to practical power systems.
6.
Applications to several customer energy utilization and load management scenarios from the Saudi electricity system as well as other test and benchmark system available in the open literature with full documentation of the results obtained.
7.
Summary of the finding and results arrived at during the course of the research work as well as recommendations for future actions to achieve successful and more cost-effective load management and energy conservation program results.
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Study Period:
The proposed research work is expected to span one year, including final thesis write-up and submission, according to the following timetable:
MASTER THESIS SCHEDULE
Documentation of Results
Research Tasks
Software Development Theoretical Investigation Industry Requirements Literature Review
Pre-Start Active
10
11
Work Months
Budget:
In order to ensure successful completion of the proposed research work, some of-the-shelf support software will be needed to complement the set of programs developed in-house. The total budget needed for this research program is SR 20,000 with the following breakdown:
1) Simulation software packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2) Computer accessories, storage media and supplies . . . . TOTAL
SR 18,000 SR 2,000 -----------SR 20,000
12
0
1
2
3
4
5
6
7
8
9
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Cited References:
[1]
"Glossary of terms related to load management, Parts I and II", presented at the IEEE/PES Winter Power Meeting, 1985, Paper No. 85 MW 035-1.
[2]
M.A. El-Kady, A.M. Shaalan and A.S. Almisnid, "Review and Assessment of Load Management and Energy Conservation Strategies in Power Systems", Proceedings of The Sixth Annual IEEE Technical Exchange Meeting, Dhahran, Saudi Arabia, April 20-21, 1999.
[3]
M.A. El-Kady and A.M. Shaalan, "Power System Quality Assessment", Proceeding of The Fifth International Middle East Power System Conference, Alexandria, Egypt, January 4-6, 1997.
[4]
M.G. Morgan and S.N. Talukdar, "Electric power load management: some technical, economic, regulatory and social issues", Proceedings of IEEE, February 1997.
[5]
M.A. El-Kady and A.M. Shaalan, "Optimal Selection of Power Utility-Oriented Reliability Indices", Proceeding of IASTED International Conference on Modelling, Simulation and Optimization, Gold Coast, Australia, May 6-9, 1996, Paper #242-189. B. Bompard, E. Carpaneto, G. Chicco and G. Gross, “The role of load demand elasticity in congestion management and pricing”, IEEE Power Engineering Society Summer Meeting, Seattle, WA, U.S.A., July 16-20, 2000, pp. 2229-2234.
[6]
[7]
R.S. Slavickas, R.T.H. Alden and M.A. El-Kady, "Managing customer and distribution utility costs", IEEE 1998 Summer Power Meeting, San Diego, California, U.S.A., July 12-16, 1998, Paper # PE-041-PWRD-0-04. Also, in IEEE Transactions on Power Delivery, Vol. 14, No. 1, January 1999, pp. 205-210.
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[8]
F.C. Verhagen, "Customer participation in electric load management: A state-of-theart review: Diagnosis and prognosis", IEEE Power Engineering Society Winter Meeting, New York, January 30 - February 4, 1983.
[9]
M.A. El-Kady and A.M. Shaalan, "Integrated utility-consumer strategies for demand management and energy conservation", Proceedings of the Joint Engineering Committee/KACST/IEE/IEEE Workshop on Energy Conservation and Load Management, Riyadh, Saudi-Arabia, May 1997.
[10]
M.A. El-Kady, M.S. Owayedh, M.A. Shaalan and I.A. Al-Dossary, "Simulation of Customer Interruptions in Power Systems", Proceeding of IASTED International Conference on Modelling, Simulation and Optimization, Gold Coast, Australia, May 6-9, 1996, Paper #242-184. M. Fotuhi-Firuzabad and R. Billinton, “Impact of load management on composite system reliability evaluation short-term operating benefits”, IEEE Transactions on Power Systems, Vol. 15, No.2, May 2000, pp. 858-864.
[11]
[12]
M.A. El-Kady and A.M. Shaalan, "Impact of Load Management and Energy Conservation Strategies on the Environment and Operating Practices of Power Systems", The 33rd Intersociety Energy Conversion Engineering Conference (IECEC), Colorado, U.S.A., 1998, Paper # 507-I034.
[13]
M.A. El-Kady and A.M. Shaalan, "Integrated Quality Assessment in Power Systems", Proceedings of The CIGRE Second Regional Conference in Arab Countries, Amman, Jordan, May 3-5, 1997. H. Jorge, C.H. Antunes and A.G. Martins, “A multiple objective decision support model for the selection of remote load control strategies”, IEEE Transactions on Power Systems, Vo. 15, No. 2, May 2000, pp. 865-872.
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