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We usually think of the power grid in terms of its visible parts: power plants, high-voltage lines, and substations. But, much of the complexity of power grid comes in how we protect it when things go wrong. Because of the importance of electricity in our modern world, its critical that we be able to prevent damage to equipment and perform repairs quickly when theyre needed. The grid got its name for a reason, its an interconnected system, which means that, if were not careful, small problems can sometimes ripple out and impact much larger areas. So its protective systems are thoughtfully designed to work together and minimize the number of people affected when faults occur. Hey Im Grady and this is Practical Engineering. Today were talking about power system protection and how blackouts work. This video is sponsored by HelloFresh, Americas #1 Meal Kit. Get started with 9 free meals at HelloFresh.com by using code Practical9 at checkout. More on that later. Things go wrong on t
