Journal
IEEE TRANSACTIONS ON SMART GRID
Volume 5, Issue 6, Pages 2868-2876Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TSG.2014.2320261
Keywords
Demand side management; dynamic pricing; energy storage; load shaping; smart grid
Categories
Funding
- Open Research Fund of National Mobile Communications Research Laboratory in Southeast University [2012D08]
- Joint Specialized Research Fund for the Doctoral Program of Higher Education (SRFDP)
- Research Grants Council Earmarked Research Grants (RGC ERG) [20130142140002]
- Major State Basic Research Development Program of China (973 Program) [2013CB329006]
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Load shaping is one of important and challenging issues in power grid. In this paper, we propose a novel load shaping strategy based on energy storage and dynamic pricing in smart grid. In the proposed strategy, a consumer is encouraged to draw a certain amount of energy (i.e., quota) from the grid. When the actual energy demand is deviated from the quota, the consumer is faced with a higher electricity price. With the help of energy storage, the consumer can draw less electricity from the grid at a lower price by discharging energy when the demand is higher than the quota and draw more electricity from the grid at a lower price by charging energy when the demand is lower than the quota. As a result, the utility can implement load shaping and consumers can save energy cost simultaneously. Moreover, the proposed strategy can be implemented with low complexity and in a distributed fashion, which offers scalability to large number of consumers. Simulations results show the effectiveness of the proposed load shaping strategy.
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