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Effects of DoS on SmartGrid

Soana, M. (2016) Effects of DoS on SmartGrid. Bachelor's Thesis, Industrial Engineering and Management.

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Everything evolves with time and, finally, also the time of power networks has come. SmartGrid is the new, interactive and sustainable power grid, which aims to improve the electricity production system, substituting fossil fuels with renewable resources. One of the major challenges in power networks is the so-called “frequency issue”, requiring the matching of electricity supply and demand to provide users with electric current at the standard frequency of 50Hz. The inevitably volatile power supply provided by renewables makes electricity routing become even more crucial to achieve an adequate electricity equilibrium in all different areas of a power network. SmartGrids control the electricity flow via controllers, automatically directing the available electric power where needed. The communication between controllers is exposed to malicious cyber-attacks, called Denial of Service (DoS), which disrupt the digital linkage between controllers. After reviewing different approaches to DoS description, this project presents multiple MATLAB simulations aimed to characterize consequences of DoS on effectiveness and efficiency of two SmartGrid’s controllers. Analyzed scenarios, imagined as from the brain of a hacker, are: DoS as a Bernoulli distribution, Interval Focused DoS attack and Resources Based DoS attack. As the frequency of electric current asymptotically reaches the desired 50Hz, controllers are found able to be effective under presence of DoS , while costs for controllers to reach and maintain nominal frequency values depend on the specific DoS attack strategy.

Item Type: Thesis (Bachelor's Thesis)
Degree programme: Industrial Engineering and Management
Thesis type: Bachelor's Thesis
Language: English
Date Deposited: 15 Feb 2018 08:13
Last Modified: 15 Feb 2018 08:13

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