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Overload and overvoltage in low-voltage and medium-voltage networks due to renewable energy: some illustrative case studies
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0003-0749-7366
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0003-4074-9529
2014 (English)In: Electric power systems research, ISSN 0378-7796, E-ISSN 1873-2046, Vol. 114, p. 39-48Article in journal (Refereed) Published
Abstract [en]

This paper presents the use of curtailment to allow more wind or solar power to be connected to a distribution network when overcurrent or overvoltage set a limit. Four case studies, all based on measurements, are presented. In all cases the hosting capacity method is used to quantify the gain in produced energy for increased levels of distributed renewable energy resources. A distinction is made between “hard curtailment” where all production is disconnected when overcurrent and overvoltage limits are exceeded and “soft curtailment” where the amount of production to be disconnected is minimized. It is shown that the type of curtailment method used has a large impact on the amount of delivered energy to the grid. The paper further discusses details of the curtailment algorithm, alternatives to curtailment, the communication needs and risks associated with the use of curtailment

Place, publisher, year, edition, pages
2014. Vol. 114, p. 39-48
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electric Power Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-15957DOI: 10.1016/j.epsr.2014.03.028ISI: 000337992000005Scopus ID: 2-s2.0-84899724718Local ID: f899147c-0e85-4766-857b-cbd7a4624c5fOAI: oai:DiVA.org:ltu-15957DiVA, id: diva2:988933
Note
Validerad; 2014; 20140502 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Etherden, NicholasBollen, Math

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