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140423 - The role of low-load diesel in improved renewable hosting capacity.pdf (1.11 MB)

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

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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.

Funding

Office of Naval Research

Hydro Tasmania

History

Publication title

Energies

Volume

13

Issue

16

Article number

4053

Number

4053

Pagination

1-15

ISSN

1996-1073

Department/School

School of Engineering

Publisher

MDPIAG

Place of publication

Switzerland

Rights statement

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/).

Repository Status

  • Open

Socio-economic Objectives

Renewable energy not elsewhere classified

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