Mid-term vulnerability analysis of power systems under intentional attacks

This study addresses the vulnerability analysis of power systems over a time horizon. The authors introduce a model which could be used by system operators to assess where and when, over a specific time horizon, their power systems are most vulnerable to intentional attacks. This new time-phased vul...

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Vydané v:	IET generation, transmission & distribution Ročník 10; číslo 15; s. 3745 - 3755
Hlavní autori:	Sayyadipour, Saeed, Yousefi, Gholam Reza, Latify, Mohammad Amin
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	The Institution of Engineering and Technology 17.11.2016
Predmet:	bilevel optimisation problem bilevel programming problem duality theory Electronic equipment tests IEEE 300‐bus test system IEEE standards integer programming intentional attacks linear programming linearisation technique Load shedding load shedding cost minimisation mathematical programming minimisation Mixed integer modified Garver 6‐bus test system modified IEEE 24‐bus reliability test system operation cost minimisation Operators Operators (mathematics) Optimization power system economics power system mid‐term vulnerability analysis Programming single‐level mixed integer linear programming problem time horizon time‐phased vulnerability analysis Vulnerability load shedding modified Garver 6-bus test system load shedding cost minimisation integer programming bilevel optimisation problem time horizon linear programming operation cost minimisation power system economics mathematical programming modified IEEE 24-bus reliability test system duality theory bilevel programming problem linearisation technique single-level mixed integer linear programming problem IEEE 300-bus test system time-phased vulnerability analysis IEEE standards power system mid-term vulnerability analysis minimisation intentional attacks
ISSN:	1751-8687, 1751-8695
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Shrnutí:	This study addresses the vulnerability analysis of power systems over a time horizon. The authors introduce a model which could be used by system operators to assess where and when, over a specific time horizon, their power systems are most vulnerable to intentional attacks. This new time-phased vulnerability analysis is modelled as a bilevel programming problem in which in the upper level, an attacker determines the best attack plan, including the best locations and the best times over the time horizon, for launching attacks. In the lower level, the system operator minimises the system operation and load shedding costs. Using duality theory, the bilevel optimisation problem is converted into a mathematical programming with equilibrium constraints which is subsequently converted to a single-level mixed integer linear programming problem by means of linearisation techniques. This model is tested on modified Garver 6-bus test system, modified IEEE 24-bus reliability test system, and IEEE 300-bus test system. The results appreciate the capability of the proposed model and show that it is indispensable to consider the time in analysing the vulnerability of power systems.
Bibliografia:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	1751-8687 1751-8695
DOI:	10.1049/iet-gtd.2016.0052