Analysis of the frequency-based control of a master/slave micro-grid

Giampaolo Buticchi, Giovanni De Carne, Davide Barater, Zhixiang Zou, Marco Liserre

Research output: Journal PublicationArticlepeer-review

36 Citations (Scopus)

Abstract

Renewable energy penetration in the low-voltage grid faces several limitations due to the current grid topology. Master/slave micro-grids could help solving these issues, by offering additional services to the grid such as the power management of the distributed power energy sources. In some cases, the power produced by the distributed energy sources exceeds the local consumption of the low-voltage grid. The consequent reverse power flow can be either dangerous (for the medium voltage) or impossible (for a micro-grid with limited storage). The droop characteristic of commercial inverter can be exploited to avoid this behaviour. However, stability problems can arise due to a low phase-locked-loop (PLL) bandwidth. This study investigates the stability of this solution depending on the bandwidth of the PLL of the distributed power generation sources.

Original languageEnglish
Pages (from-to)1570-1576
Number of pages7
JournalIET Renewable Power Generation
Volume10
Issue number10
DOIs
Publication statusPublished - 2016
Externally publishedYes

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment

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