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The Concept of Dynamic Hosting Capacity for Distributed Energy Resources: Analytics and Practical Considerations
Electrical Energy Systems, Technological University of Eindhoven, Eindhoven, The Netherlands.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science. (Electric Power Engineering)ORCID iD: 0000-0003-4074-9529
Advanced Power Technologies and Innovations in Systems and Smart Grids Group, Federal University of Itajuba, Itajuba, Brazil.
Energy Scientific Area, Instituto Superior Tecnico, Lisbon, Portugal.
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2019 (English)In: Energies, ISSN 1996-1073, E-ISSN 1996-1073, Vol. 12, no 13, article id 2576Article in journal (Refereed) Published
Abstract [en]

The hosting capacity approach is presented as a planning, improving, and communication tool for electrical distribution systems operating under specific uncertainties, such as power quality issues, power stabilities, and reliability, among others. In other words, it is an important technique, when renewable sources are present, to answer the amount of power that is possible to supply to the system without trespassing power performance limits. However, the power flow in a distribution system, for instance, can change throughout time due to the penetration of distributed generation, as well as load consumption. Based on the dynamic nature existing in distribution grids nowadays, it is important to highlight that the hosting capacity should not be calculated in a specifically chosen time only, but must be analyzed throughout a period of time. Thus, this paper introduces an extended concept of hosting capacity in relation to an integrated impact of harmonic voltage distortion and voltage rise as a function of time for daily, weekly, monthly, or even yearly periods. This extended concept is named as Dynamic Hosting Capacity (DHC(t)). General aspects of DHC(t) are demonstrated via measured data on a photovoltaic system (PV) connected at a low-voltage (LV) side of a university building.

Place, publisher, year, edition, pages
MDPI, 2019. Vol. 12, no 13, article id 2576
Keywords [en]
distributed generation, distributed energy resources, dynamic hosting capacity, power quality indexes, voltage rise, harmonic voltage distortion
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electric Power Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-75405DOI: 10.3390/en12132576ISI: 000477034700116OAI: oai:DiVA.org:ltu-75405DiVA, id: diva2:1340715
Note

Validerad;2019;Nivå 2;2019-08-14 (johcin)

Available from: 2019-08-06 Created: 2019-08-06 Last updated: 2019-08-14Bibliographically approved

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