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  Decentral smart grid control

Schäfer, B., Matthiae, M., Timme, M., & Witthaut, D. (2015). Decentral smart grid control. New Journal of Physics, 17(1): 015002. doi:10.1088/1367-2630/17/1/015002.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-053E-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-E100-2
Genre: Journal Article

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 Creators:
Schäfer, Benjamin1, Author              
Matthiae, Moritz1, Author              
Timme, Marc1, Author              
Witthaut, Dirk1, Author              
Affiliations:
1Max Planck Research Group Network Dynamics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063295              

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Free keywords: Decentral smart grid control; Dynamic demand response; Delayed coupling; Oscillator networks; Econophysics; Transient stability; Frequency-price coupling
 Abstract: Stable operation of complex flow and transportation networks requires balanced supply and demand. For the operation of electric power grids—due to their increasing fraction of renewable energy sources—a pressing challenge is to fit the fluctuations in decentralized supply to the distributed and temporally varying demands. To achieve this goal, common smart grid concepts suggest to collect consumer demand data, centrally evaluate them given current supply and send price information back to customers for them to decide about usage. Besides restrictions regarding cyber security, privacy protection and large required investments, it remains unclear how such central smart grid options guarantee overall stability. Here we propose a Decentral Smart Grid Control, where the price is directly linked to the local grid frequency at each customer. The grid frequency provides all necessary information about the current power balance such that it is sufficient to match supply and demand without the need for a centralized IT infrastructure. We analyze the performance and the dynamical stability of the power grid with such a control system. Our results suggest that the proposed Decentral Smart Grid Control is feasible independent of effective measurement delays, if frequencies are averaged over sufficiently large time intervals.

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Language(s): eng - English
 Dates: 2015-01-09
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1088/1367-2630/17/1/015002
 Degree: -

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Title: New Journal of Physics
Source Genre: Journal
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Pages: 15 Volume / Issue: 17 (1) Sequence Number: 015002 Start / End Page: - Identifier: -