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Essay On Power Blackout

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Abstract: In this paper we will discuss about what is power blackout, causes of power blackout, power blackout in India & affect of power blackout. Blackout: A blackout is the total loss of power to an area and is the most severe form of power outage that can occur. Causes of blackout: There are many causes of power failures in an electricity network. Examples of these causes include faults at power stations, damage to electric transmission lines etc. Power blackout in India: Two severe power blackouts affected most of northern and eastern India on 30 and 31 July 2012. The 30 July 2012 India blackout affected over 300 million people and was the then-largest power outage in history, counting number of people affected, beating the January 2001 …show more content…

If they are all near their maximum capacity, then they cannot handle the extra load. To prevent themselves from overloading and failing, they will disconnect from the grid as well. That only makes the problem worse, and dozens of plants eventually disconnect. That leaves millions of people without power. 1) Cascade failure: 2. CAUSES OF POWER BLACKOUT A cascading failure is a failure in a system of interconnected parts in which the failure of a part can trigger the failure of successive parts. Such a failure may happen in many types of systems, including power transmission, computer networking, finance, human bodily systems, and bridges. Cascading failure is common in power grids when one of the elements fails (completely or partially) and shifts its load to nearby elements in the system. Those nearby elements are then pushed beyond their capacity so they become overloaded and shift their load onto other elements. Cascading failure is a common effect seen in high voltage systems, where a single point of failure (SPF) on a fully loaded or slightly overloaded system results in a sudden spike across all nodes of the system. This surge current can induce the already overloaded nodes into failure, setting off more overloads and

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