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Simultaneous scheduling of multiple frequency services in stochastic unit commitment

Title: Simultaneous scheduling of multiple frequency services in stochastic unit commitment
Authors: Badesa, L
Teng, F
Strbac, G
Item Type: Journal Article
Abstract: The reduced level of system inertia in low-carbon power grids increases the need for alternative frequency services. However, simultaneously optimising the provision of these services in the scheduling process, subject to significant uncertainty, is a complex task given the challenge of linking the steady-state optimisation with frequency dynamics. This paper proposes a novel frequency-constrained Stochastic Unit Commitment (SUC) model which, for the first time, co-optimises energy production along with the provision of synchronised and synthetic inertia, Enhanced Frequency Response (EFR), Primary Frequency Response (PFR) and a dynamically-reduced largest power infeed. The contribution of load damping is modelled through a linear inner approximation. The effectiveness of the proposed model is demonstrated through several case studies for Great Britain’s 2030 power system, which highlight the synergies and conflicts among alternative frequency services, as well as the significant economic savings and carbon reduction achieved by simultaneously optimising all these services.
Issue Date: 1-Sep-2019
Date of Acceptance: 1-Mar-2019
URI: http://hdl.handle.net/10044/1/67338
DOI: https://dx.doi.org/10.1109/TPWRS.2019.2905037
ISSN: 0885-8950
Publisher: Institute of Electrical and Electronics Engineers
Start Page: 3858
End Page: 3868
Journal / Book Title: IEEE Transactions on Power Systems
Volume: 34
Issue: 5
Copyright Statement: © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Sponsor/Funder: Engineering & Physical Science Research Council (EPSRC)
Engineering & Physical Science Research Council (E
Engineering & Physical Science Research Council (E
Funder's Grant Number: EP/K002252/1
EP/K039326/1
EP/L019469/1
Keywords: Science & Technology
Technology
Engineering, Electrical & Electronic
Engineering
Power system dynamics
frequency response
unit commitment
renewable generation uncertainty
MARKET
math.OC
math.OC
Energy
0906 Electrical and Electronic Engineering
Publication Status: Published
Open Access location: https://arxiv.org/abs/1809.10391
Online Publication Date: 2019-03-14
Appears in Collections:Faculty of Engineering
Electrical and Electronic Engineering
Centre for Environmental Policy
Faculty of Natural Sciences



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