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Content Provider | IEEE Xplore Digital Library |
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Author | Liu Jing Tang Hao Matsui, M. Takanokura, M. Zhou Lei Gao Xueying |
Copyright Year | 2014 |
Description | Author affiliation: Kanagawa Univ., Yokohama, Japan (Matsui, M.; Takanokura, M.) || Sch. of Electr. Eng. & Autom., Hefei Univ. of Technol., Hefei, China (Tang Hao; Gao Xueying) || Sch. of Comput. & Inf., Hefei Univ. of Technol., Hefei, China (Liu Jing; Zhou Lei) |
Abstract | Energy storage system consists of distributed generation, storage device, loads and some intelligent control devices in the smart grid. It enables energy flow from the storage device to the grid. An amount of balancing energy is procured to meet the load demand when there is a deficit in power generation. The excessive distributed generation power of storage device can either be sold to the grid or be used to provide frequency regulation service. Real-time pricing techniques would greatly influence the system control center in deciding when to sell power, buy power or provide regulation service. The power of distributed generation, load demand, electricity price and the frequency regulation price are independent of each other. Each of the four stochastic processes is modeled as a Markov process to reflect the dynamic characteristics. The optimal control problem of deciding when to sell power, buy power or provide regulation service is formulated as a semi-Markov decision process. The Sarsa algorithm is used to adapt the control operation in order to maximize the long-term rewards on the basis of meeting the load demand. Simulation results show a significant increase of total rewards, a faster convergence speed and good effect with the proposed algorithm. |
Starting Page | 8216 |
Ending Page | 8221 |
File Size | 324059 |
Page Count | 6 |
File Format | |
ISBN | 9789881563873 |
ISSN | 19341768 |
DOI | 10.1109/ChiCC.2014.6896376 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2014-07-28 |
Publisher Place | China |
Access Restriction | Subscribed |
Rights Holder | TCCT, CAA |
Subject Keyword | smart grid distributed generation Electricity semi-Markov decision process Markov processes Educational institutions Batteries Distributed power generation Sarsa Frequency control |
Content Type | Text |
Resource Type | Article |
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