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A unified power delivery solution for integrating DER into distribution networks through VSC based DC system

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2 Author(s)
A. M. Abbas ; Energy Systems Group, ECE Dept., University of Toronto, Canada ; P. W. Lehn

A new power delivery strategy is proposed in this paper. It relies on integrating distributed energy resources (DER) to AC distribution networks through a multi-terminal voltage sourced converter (VSC) based DC system. To accomplish this, a new converter topology is designed. This topology integrates both AC and DC networks and is unified for different voltage and power levels. It allows full power controllability yet has a compact monolithic and scalable structure. It enables economical gradual upgrade to next generation DC distributed generation (DC-DG) starting from already established AC networks. A simulation case study of a 3.7 MW converter in an islanded microgrid is presented to demonstrate the underlying concept and the feasibility of its implementation.

Published in:

2009 IEEE Power & Energy Society General Meeting

Date of Conference:

26-30 July 2009