Analysis of current-controller in grid-connected and islanded mode for dispersed generation

Nguyen Duc Tuyen, Goro Fujita

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

An islanding is that the islanded entity including DGs and critical load disconnects from the utility and then, operates in the islanded mode. During that mode, the Power Electronic Interface of DGs not only has a role in keeping the Point of Common Coupling's voltage within a required range, it also needs to make islanded frequency arbitrarily at normal values. This paper investigates the operation response while keeping the conventional current controller in some cases of typical islanded loads and then, validate feasibility of proposed current controller for the islanded entity dealing with transient-to-island mode. The islanding detection method by using negative-sequence impedances also facilitates the fast switching for the entire control scheme. The droop control mechanism is presented for inductive-reductive impedance.

Original languageEnglish
Title of host publicationProceedings - 2012 47th International Universities Power Engineering Conference, UPEC 2012
DOIs
Publication statusPublished - 2012 Dec 1
Event2012 47th International Universities Power Engineering Conference, UPEC 2012 - London, United Kingdom
Duration: 2012 Sep 42012 Sep 7

Publication series

NameProceedings of the Universities Power Engineering Conference

Conference

Conference2012 47th International Universities Power Engineering Conference, UPEC 2012
CountryUnited Kingdom
CityLondon
Period12/9/412/9/7

ASJC Scopus subject areas

  • Energy Engineering and Power Technology

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    Tuyen, N. D., & Fujita, G. (2012). Analysis of current-controller in grid-connected and islanded mode for dispersed generation. In Proceedings - 2012 47th International Universities Power Engineering Conference, UPEC 2012 [6398627] (Proceedings of the Universities Power Engineering Conference). https://doi.org/10.1109/UPEC.2012.6398627