Containing loss risk in a low inertia GB power system

Nedd, Marcel and Bell, Keith and Booth, Campbell; (2018) Containing loss risk in a low inertia GB power system. In: 18th Annual Conference of the International Conference on Environmental and Electrical Engineering. IEEE, Piscataway, NJ. (In Press)

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Abstract

There is a reduction in the percentage penetration of synchronous machines within the GB power system; leading to a decrease in inertia, and an increase in system rate of change of frequency (RoCoF) following a frequency event. This raises the challenge of containing frequency deviations within the relevant operational limits. As a result, steps need to be taken by the system operator to manage the risk to system security. In order to better understand this risk, this paper presents the challenge in light of the changing energy landscape and the current and future frequency response services available to contain frequency deviations. Although frequency response services may be capable of containing some events within frequency limits, in low inertia scenarios these responses alone are not capable of containing excursions within practical RoCoF limits. Consequently, further action must be taken to ensure system security. The system operator currently employs an interim solution of limiting the largest loss risk, depending on system inertia and the RoCoF limit. While this is suitable in the short-term, it is unlikely that this option will be viable in the future.

ORCID iDs

Nedd, Marcel ORCID logoORCID: https://orcid.org/0000-0002-6239-8785, Bell, Keith ORCID logoORCID: https://orcid.org/0000-0001-9612-7345 and Booth, Campbell ORCID logoORCID: https://orcid.org/0000-0003-3869-4477;
  • Item type:Book Section
    ID code:64785
    Dates:
    Date
    Event
    9 May 2018
    Published
    9 May 2018
    Accepted
    Notes:© 2018 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.
    Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
    Department:Faculty of Engineering > Electronic and Electrical Engineering
    Depositing user: Pure Administrator
    Date deposited:12 Jul 2018 15:13
    Last modified:11 Nov 2024 15:14
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/64785
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