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An Energy Sharing Model among Smart Energy Hubs Based on Blockchain Concept

Ebrahimi, Mahan | 2021

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 53846 (05)
  4. University: Sharif University of Technology
  5. Department: Electrical Engineering
  6. Advisor(s): Ranjbar, Ali Mohammad; Sheikhi, Aras
  7. Abstract:
  8. In the light of rapid advancement in renewable energy technologies, they become an appropriate way to supply energy demands with lower costs. It also gives them the chance to earn money by selling surplus energy to other energy consumers. The coordination of different energy types and the ability of energy conversion, facilitates the rising of new energy prosumers called “Smart Energy Hub(SEH)”. This thesis proposes a model of energy trading among SEHs. The model consists of SEHs, energy utility grids, energy consumers and aggregator. In this model, aggregator aggregates between SEHs, energy consumers and utility grids in order to maximize its profit. Bilevel optimization problem has been switche to a single level mixed integer linear problem by means of strong duality theorem and the behavior of players under this model has been simulated by matlab 2019a optimization toolbox. Numerical results shows the effect of aggregators behhaviour on the energy prices fluctuations. It also shows how pricing method influences SEHs motivation to provide more energy on high demanded hours. This thesis also utilizes blockchain concept to increase the security of transaction between SEHs and aggregators. It presents a new cryptocurrency “energy coin” which is used for payments. It should be considered that the improvement of energy coin will persuade peers to enter the market as a producer SEH
  9. Keywords:
  10. Smart Energy Hub ; Blockchain ; Renewable Energy Resources ; Peer-to-Peer Network ; Energy Abatement Cost ; Strong Duality Theorem

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