A synchronization technique for microgrid reclosing after islanding operation

Author

Rizo, Mario ; Huerta, Francisco ; Bueno, Emilio ; Liserre, Marco

Author_Institution

Dept. of Electron., Univ. of Alcala, Madrid, Spain

fYear

2012

fDate

25-28 Oct. 2012

Firstpage

5596

Lastpage

5601

Abstract

The future electric grid concept will cover some small parts to be disconnected and work in an autonomous way isolated from the main utility. Control of microgrids - composed by the couple distributed sources-local loads - with the competence of operating in grid-connected and island mode is a trending research area. The presence of an efficient algorithm for synchronizing the microgrid with the main grid every time the reclosure is allowed is crucial for assuring a safe operation. The synchronization system presented in this work is compounded by two elements: Dual Second Order Generalized Integrator (DSOGI) and stationary reference frames phase-locked loop (SRF-PLL). Besides, the voltage control of the microgrid plays a great role in the synchronization system performance.

Keywords

distributed power generation; load regulation; phase locked loops; power distribution control; power grids; power utilisation; synchronisation; voltage control; DSOGI; SRF-PLL; couple distributed sources-local load; dual second order generalized integrator; electric grid concept; grid-connected mode; islanding operation; microgrid reclosing; stationary reference frame phase-locked loop; synchronization technique; voltage control; Switches;

fLanguage

English

Publisher

ieee

Conference_Titel

IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society

Conference_Location

Montreal, QC

ISSN

1553-572X

Print_ISBN

978-1-4673-2419-9

Electronic_ISBN

1553-572X

Type

conf

DOI

10.1109/IECON.2012.6389010

Filename

6389010