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    Nuclear energy: Transformers and transmission lines


    Author: Siobhan McClelland, Canadian Geographic

    Publish Date: Oct 4, 2013   Last Update: Sep 20, 2018


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    To get to the end user, electricity generated from nuclear plants first goes to a transformer, boosting it to a higher voltage so it can be transmitted long distances along transmission lines to local communities.

    Some electricity is lost when electricity travels along transmission lines, as transmission lines have some resistance to electricity flow. The higher the voltage, the lower the amount of electricity lost.

    Once at a substation in a community, the electricity is then distributed to transformers, which reduce its voltage level so it can be distributed to individual homes and businesses. A smaller transformer along a residential street reduces the voltage levels to 120 volts for lights and 240 volts for larger appliances in homes.

    Scientists are working on storing nuclear energy in a battery, which they predict will provide up to a million times more energy than a conventional battery.


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