An Ising Spin-Based Model to Explore Efficient Flexibility in Distributed Power Systems

This paper analyses customers' demand flexibility in a local power trading scenario through an Ising spin-based model. We look at quantitative information on the two-way relationships between power exchanges and spin dynamics. To this end, a modified version of the Metropolis-Hastings algorithm...

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Bibliographic Details
Main Authors: Shokri Gazafroudi, Amin (Author), Prieto, Javier (Author), Corchado, Juan Manuel (Author), Prieto Castrillo, Francisco (Contributor)
Other Authors: Massachusetts Institute of Technology. Media Laboratory (Contributor)
Format: Article
Language:English
Published: Hindawi Publishing Corporation, 2018-05-14T14:01:00Z.
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Online Access:Get fulltext
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100 1 0 |a Shokri Gazafroudi, Amin  |e author 
100 1 0 |a Massachusetts Institute of Technology. Media Laboratory  |e contributor 
100 1 0 |a Prieto Castrillo, Francisco  |e contributor 
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700 1 0 |a Corchado, Juan Manuel  |e author 
700 1 0 |a Prieto Castrillo, Francisco  |e author 
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520 |a This paper analyses customers' demand flexibility in a local power trading scenario through an Ising spin-based model. We look at quantitative information on the two-way relationships between power exchanges and spin dynamics. To this end, a modified version of the Metropolis-Hastings algorithm was implemented, including a gradient descent through the constraint surface. This allowed us to analyse the system on a large scale (considering the cumulated benefit of all the actors involved) and also from the perspective of total aggregation. In a maximum flexibility scenario, the total aggregation profit increases with the number of aggregators. We also investigate numerically the effect of aggregator boundaries on the spin dynamics. 
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773 |t Complexity