A survey of power systems vulnerability and failures on the Pacific Northwest due to natural disasters with a focus on volcanic activity. Public

http://ir.library.oregonstate.edu/concern/honors_college_theses/qf85ng99z

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  • Electricity is at the center of attention as today many essential systems (water, gas, communications, and the internet for example) and infrastructures depend on its continuity for their smooth functioning. On the other hand, electricity power networks have developed and became large, and highly complex technical systems, geographically extended, requiring complex operation in real time to balance supply and varying demand. The occurrence of natural disasters and their catastrophic impact on electric power system functioning has been the subject of research in many countries worldwide, particularly earthquakes. Several countries such as Chile, China, Haiti, Indonesia, Mexico and the United States have experiences serious damages to their energy supply infrastructure due to severe earthquakes, and at times the damages extended to their economic development in addition to the loss of lives and property. But not only earthquakes and related tsunamis represent a danger to our electric infrastructures; havoc can also be caused by other severe weather conditions such as hurricanes, tornadoes, volcanic eruptions, and geomagnetic storms. This paper aims to study the case of the Japan’s electrical system during the 2010 earthquake, then analyze why natural disasters cause damages on such a wide scale in the case of power systems and also review some strategies to increase electrical systems resiliency.
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