Journal
IEEE TRANSACTIONS ON SMART GRID
Volume 8, Issue 1, Pages 250-261Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TSG.2016.2521377
Keywords
Sparse load shifting; demand-side management; game theory; smart appliances scheduling; Newton method; fast gradient
Categories
Funding
- Australian Research Council (ARC) [140100544, 130102244]
- ARC [160100675]
- National Natural Science Foundation of China [61322302]
- National Ten Thousand Talent Program for Young Top-Notch Talents
- Six Talent Peaks of Jiangsu Province of China [2014-DZXX-004]
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This paper introduces a distributed algorithm for sparse load shifting in demand-side management with a focus on the scheduling problem of residential smart appliances. By the sparse load shifting strategy, customers' discomfort is reduced. Although there are many game theoretic models for the demand-side management problem, the computational efficiency of finding Nash equilibrium that globally minimizes the total energy consumption cost and the peak-to-average ratio is still an outstanding issue. We develop a bidirectional framework for solving the demand-side management problem in a distributed way to substantially improve the search efficiency. A Newton method is employed to accelerate the centralized coordination of demand side management strategies that super-linearly converge to a better Nash equilibrium minimizing the peak-to-average ratio. Furthermore, dual fast gradient and convex relaxation are applied to tackle the sub-problem for customers' best response, which is able to relieve customers' discomfort from load shifting or interrupting. Detailed results from illustrative case studies are presented and discussed, which shows the costs of energy consumption and daily peak demand by our algorithm are reduced. Finally, some conclusions are drawn.
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