Behavior of control mode switching inverters during transients in sectionalizing distribution networks

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Abstract

With the increase of distributed energy resources (DERs) and automated switchgear in distribution networks, sectionalizing distribution networks (SDNs) can be created. Parts of SDNs can be operate in islanded mode when a fault occurs in the network, to continuously supply load with local DERs. Transient stability is a challenge in SDNs due to the fault ride-through, islanding transient and switching between grid-feeding and grid-supporting control modes of DER inverters. To analyze the transient behavior of such control mode switching inverters (CMSIs), a detailed model is created in Simulink and several fault, islanding and control mode switching simulations are performed. The impact of fault clearing time, fault impedance, fault distance, load characteristics, droop constants and grid-feeding power reference values is determined with simulations. From the simulations, the potential problems for the operation of SDNs are identified. Finally, some recommendations for future research are given to improve the transient behavior of CMSIs.

Original languageEnglish
Title of host publication2018 International Conference on Power System Technology, POWERCON 2018 - Proceedings
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages537-544
Number of pages8
ISBN (Electronic)9781538664612
DOIs
Publication statusPublished - 3 Jan 2019
Event2018 International Conference on Power System Technology, POWERCON 2018 - Guangzhou, China
Duration: 6 Nov 20189 Nov 2018

Conference

Conference2018 International Conference on Power System Technology, POWERCON 2018
CountryChina
CityGuangzhou
Period6/11/189/11/18

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Keywords

  • sectionalizing distribution networks
  • transient stability.
  • voltage source inverter

Cite this

Roos, M. H., Nguyen, P. H., Morren, J., & Slootweg, J. G. (2019). Behavior of control mode switching inverters during transients in sectionalizing distribution networks. In 2018 International Conference on Power System Technology, POWERCON 2018 - Proceedings (pp. 537-544). [8602033] Piscataway: Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/POWERCON.2018.8602033