Cost-Benefit Analysis of Unreliable System Protection Scheme Operation

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Title: Cost-Benefit Analysis of Unreliable System Protection Scheme Operation
Authors: Calvo, JL
Ramirez Torrealba, PJ
Tindemans, S
Strbac, G
Item Type: Conference Paper
Abstract: © 2015 IEEE.System Protection Schemes (SPS) have the potential to greatly enhance the utilization of the network, often by automatically disconnecting generators in response to contingency events. However, malfunctions of such systems may expose the system to harmful blackouts. The operation of unreliable SPS is therefore subject to a cost-benefit balance between the benefits of increased system utilization and the risk of outages. This paper studies this trade-off in a year-round basis. The problem is firstly stated from a centralized perspective to probabilistically minimize the operational costs for a whole operating year. A case study based on a basic simple representation of the Great Britain system is considered. The results show great annual benefits from equipping the SPS with multiple generation disconnection systems, which are mainly associated with critical operating conditions. However, it is demonstrated that redundant SPS configurations do not necessarily reduce the levels of operational risk exposure.
Issue Date: 29-Jun-2015
Date of Acceptance: 16-Apr-2015
Publisher: IEEE
Copyright Statement: © 2015 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: National Grid Electricity Transmission Plc
Funder's Grant Number: PO 3200342629/ TAO/22046
Conference Name: IEEE PowerTech 2015
Publication Status: Published
Start Date: 2015-06-28
Finish Date: 2015-07-02
Conference Place: Eindhoven
Appears in Collections:Faculty of Engineering
Electrical and Electronic Engineering
Centre for Environmental Policy
Faculty of Natural Sciences

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