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do power grids work?
power grids, generators, high-voltage transmission
lines, sub-stations, transformers, interconnected
electricity network, freeway for electrons, highways,
railroad easements, electrical power, interconnected
grids, benefits to neighboring countries, blackout
Power grids are the overhead high-voltage transmission
lines that criss-cross our nations. This interconnected
network enables multiple generators to feed this
grid simultaneously, allowing utilites to buy and
sell power a least cost.
running along highways and railroad easements, these
grids act as the freeway for electrons for delivery
of electrical power from generation sources through
high-voltage transmission lines, sub-stations, and
transformers to customers in cities and industry.
grids enable power to be transferred from one region
leveling loads between time zones and the seasonal
variations between north and south. Today, 100 nations
are interconnected across borders, taking advantage
of these benefits to neighboring countries.
2003 Blackout of northeast United States and
Canada (145kb swf)
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