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A Method to Design Optimal Communication Architectures in Advanced Metering Infrastructures
KTH, School of Electrical Engineering (EES), Electric Power and Energy Systems. (Power System Operation and Control)ORCID iD: 0000-0002-2014-0444
KTH, School of Electrical Engineering (EES), Electric Power and Energy Systems.
KTH, School of Electrical Engineering (EES), Electric Power and Energy Systems. (Power System Operation and Control)ORCID iD: 0000-0003-3014-5609
Unión Fenosa Distribución.
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2017 (English)In: IET Generation, Transmission & Distribution, ISSN 1751-8687, E-ISSN 1751-8695, Vol. 11, no 2, 339-346 p.Article in journal (Refereed) Published
Abstract [en]

This paper proposes a method to determine the optimal communication architecture in advance metering infrastructures (AMI). The method starts by indicating suitable groups of meters that share similar characteristics such as distance to the secondary substation and mutual proximity. Then it connects each group of meters to the AMI-Head End through a communication architecture formed by wireless and Power Line Communication (PLC) technologies. The optimality criterion takes into account the Capital Expenditures (CAPEX), Operational Expenditures (OPEX) and the Quality of Service (QoS) in the communication architecture. The method is tested on a LV network based on real utility data provided by EU FP7 DISCERN project partners. These tests show that the method is consistent with planning foresight and can be useful to assist in the AMI communication architecture designing process.

Place, publisher, year, edition, pages
IET Digital Library, 2017. Vol. 11, no 2, 339-346 p.
Keyword [en]
AMI, Combinatorial Optimization, Data Concentrator, K-means, Linear Semi-Assignment Problem, PRIME, PLC, Smart Grid, Virtual Data Concentrator
National Category
Communication Systems
Research subject
Electrical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-192608DOI: 10.1049/iet-gtd.2016.0481ISI: 000396553400005Scopus ID: 2-s2.0-85010837023OAI: oai:DiVA.org:kth-192608DiVA: diva2:971308
Funder
EU, FP7, Seventh Framework Programme, 308913SweGRIDS - Swedish Centre for Smart Grids and Energy Storage
Note

QC 20170517

Available from: 2016-09-16 Created: 2016-09-16 Last updated: 2017-11-06Bibliographically approved
In thesis
1. Cost-effective Communication and Control Architectures for Active Low Voltage Grids
Open this publication in new window or tab >>Cost-effective Communication and Control Architectures for Active Low Voltage Grids
2017 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The monitoring and control of low voltage distribution grids has historically been disregarded due to the unidirectional flow of power. However, nowadays the massive integration of distributed energy resources into distribution grids, such as solar photovoltaics, distributed storage, electric vehicles and demand response programs, presents some challenges. For instance, the unidirectional top-down power flow is being replaced by power flows in any direction: top-down and bottom-up. This paradigm shift adds extra regulatory, economic, and technical complexity for the Distribution System Operators (DSO). Thus to overcome the possible operational constraints, thermal limits, or voltage problems in the grid, an update of the existing electricity infrastructures is required. In response to this new situation, this thesis investigates the cost-effective communication and control architectures that are required for active low voltage grid monitoring and control applications, considering the regulatory constraints and the efficient utilization of the assets from a DSO’s perspective. The solutions include: i) optimal sensor placement configuration to perform low voltage state estimation, ii) optimal metering infrastructure designs for active low voltage monitoring applications, iii) coordinated control strategies to allow the integration of microgrid-like structures into the distribution grids, iv) optimal placement of actuators for operating the control strategies, v) a multiagent-based control solution for self-healing and feeder reconfiguration applications, and vi) a framework model and simulations to assess the reliability of the ICT infrastructure that enables the monitoring and control applications. As concluding remark, since the deployment of technology at low voltage grids is restricted to assets owned by the DSO, the operability of the grid is limited. This condition makes it so that the required communication and control enhancement solutions shall prioritize cost-effectiveness over comprehensiveness and complexity. Thus, the results from the presented studies show that it is essential to perform thorough cost-benefit analyses of the potential improvement solutions for each grid, because this will allow deploying the right technology only at the necessary locations.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2017. 69 p.
Series
TRITA-EE, ISSN 1653-5146 ; 2017:160
Keyword
Active low voltage distribution grids, CAPEX & OPEX, communication & control architectures, cost-effectiveness, MPC, multiagent systems, photovoltaics, voltage control.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electrical Engineering
Identifiers
urn:nbn:se:kth:diva-217271 (URN)978-91-7729-588-4 (ISBN)
Public defence
2017-12-18, Kollegiesal, Brinellvägen 8, KTH-huset, floor 4, KTH Campus, Stockholm, 10:00 (English)
Opponent
Supervisors
Funder
SweGRIDS - Swedish Centre for Smart Grids and Energy Storage
Note

QC 20171106

Available from: 2017-11-06 Created: 2017-11-06 Last updated: 2017-11-09Bibliographically approved

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Publisher's full textScopushttp://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2016.0481

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