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The role of low-load diesel in improved renewable hosting capacity within isolated power systems

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Hamilton, J ORCID: 0000-0002-8994-0888, Negnevitsky, M ORCID: 0000-0002-5130-419X, Wang, X ORCID: 0000-0003-4293-7523 and Semshchikov, E 2020 , 'The role of low-load diesel in improved renewable hosting capacity within isolated power systems' , Energies, vol. 13, no. 16 , pp. 1-15 , doi: 10.3390/en13164053.

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Abstract

Isolated communities are progressively integrating renewable generation to reduce the societal, economic and ecological cost of diesel generation. Unfortunately, as renewable penetration and load variability increase, systems require greater diesel generation reserves, constraining renewable utilisation. Improved diesel generator flexibility can reduce the requirement for diesel reserves, allowing increased renewable hosting. Regrettably, it is uncommon for utilities to modify diesel generator control during the integration of renewable source generation. Identifying diesel generator flexibility and co-ordination as an essential component to optimising system hosting capacity, this paper investigates improved diesel generator flexibility and coordination via low-load diesel application. Case study comparisons for both high- and low-penetration hybrid diesel power systems are presented in King Island, Australia, and Moloka`i, Hawai`i, respectively. For King Island, the approach details a 50% reduction in storage requirement, while for Moloka`i the application supports a 27% increase in renewable hosting capacity.

Item Type: Article
Authors/Creators:Hamilton, J and Negnevitsky, M and Wang, X and Semshchikov, E
Keywords: low load diesel, hybrid diesel, battery storage, hybrid power system, low-load diesel, microgrid, remote area
Journal or Publication Title: Energies
Publisher: MDPIAG
ISSN: 1996-1073
DOI / ID Number: 10.3390/en13164053
Copyright Information:

Copyright 2020 the authors. This article is an open accessarticle distributed under the terms and conditions of the Creative Commons Attribution(CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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