A phase-locked-loop design for the smooth operation of a hybrid microgrid

Goyal, Megha & Ghosh, Arindam (2013) A phase-locked-loop design for the smooth operation of a hybrid microgrid. In Proceedings of the 2013 Australasian Universities Power Engineering Conference (AUPEC), IEEE, Hobart, Tasmania, Australia, pp. 46-51.

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Abstract

A microgrid contains both distributed generators (DGs) and loads and can be viewed by a controllable load by utilities. The DGs can be either inertial synchronous generators or non-inertial converter interfaced. Moreover, some of them can come online or go offline in plug and play fashion. The combination of these various types of operation makes the microgrid control a challenging task, especially when the microgrid operates in an autonomous mode. In this paper, a new phase locked loop (PLL) algorithm is proposed for smooth synchronization of plug and play DGs. A frequency droop for power sharing is used and a pseudo inertia has been introduced to non-inertial DGs in order to match their response with inertial DGs. The proposed strategy is validated through PSCAD simulation studies.

Impact and interest:

4 citations in Scopus
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ID Code: 68687
Item Type: Conference Paper
Refereed: Yes
Additional URLs:
Keywords: Hybrid microgrid, Plug and play, Microturbine, PV, Diesel generator and PLL
DOI: 10.1109/AUPEC.2013.6725423
ISBN: 9781862959132
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2013 IEEE
Deposited On: 18 Mar 2014 00:32
Last Modified: 19 Mar 2014 03:04

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