RoCoF-Constrained Scheduling Incorporating Non-Synchronous Residential Demand Responsee

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Title: RoCoF-Constrained Scheduling Incorporating Non-Synchronous Residential Demand Responsee
Authors: Daly, Pádraig
Qazi, Hassan Wajahat
Flynn, Damian
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Date: 8-Mar-2019
Online since: 2019-03-26T09:04:34Z
Abstract: Demand response has the potential to provide a multitude of operating reserve categories. However, if integrated at scale, the non-synchronous nature of most demand response sources must be recognised within the operational rules of low inertia power systems. Here, a candidate non-synchronous reserve resource is considered within the scheduling and frequency stability time frames. It is shown that a detrimental impact on the post-contingency rate of change of frequency (RoCoF) can arise, potentially requiring the development of system operator policies to ensure that security standards are not compromised, as the volume of reserve available from non-synchronous reserve resources increases. A commitment-and-dispatch RoCoF constraint within scheduling procedures is proposed, which is independently verified using time domain simulations.
Funding Details: Irish Research Council
Science Foundation Ireland
Type of material: Journal Article
Publisher: IEEE
Journal: IEEE Transactions on Power Systems
Copyright (published version): 2018 IEEE
Keywords: Non-synchronous resourcesRate of change of frequency (RoCoF)Synchronous inertiaUnit commitmentFrequency controlPower system stabilityTime-frequency analysisWater resourcesWater heatingStability criteria
DOI: 10.1109/TPWRS.2019.2903784
Language: en
Status of Item: Peer reviewed
Appears in Collections:Electrical and Electronic Engineering Research Collection

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