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The war of the currentssometimes called battle of the currentswas a series of events surrounding the otheg of competing electric power transmission systems in the late s and early s. It grew out of two lighting systems developed in the late s and early s; arc lamp street lighting running on high-voltage alternating current ACand large-scale low-voltage direct current DC indoor incandescent lighting being marketed by Thomas Edison 's company.
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Using high voltage allowed an AC system to transmit power over longer distances from more efficient large central generating stations. As the use of AC spread rapidly, the Edison Electric Light Company claimed in early that high voltages used in an alternating current system were hazardous, and that sparknotes the other wes moore design was inferior to, and infringed on the patents behind, their direct current system. In the spring ofa media furor arose over electrical fatalities caused by pole-mounted high-voltage AC lines, attributed to the greed and callousness of the arc lighting companies that used them. In June of that year Harold P. Browna New York electrical engineer, claimed the AC-based lighting companies were putting the public at risk using high-voltage systems installed in a slipshod manner.
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Brown also claimed that alternating current was more dangerous than direct current and tried to prove this by publicly killing animals with both currents, with technical assistance from Edison Electric. The Edison company and Brown colluded further in their parallel goals to limit the use of AC with attempts to push through legislation to severely limit AC installations and voltages.
By the early s the war was winding down. Mergers reduced competition between companies, including the merger of Edison Electric with their chief AC rival, Thomson-Houston, forming General Electric in The new company now controlled three quarters of the US electrical business. DC commercial power distribution systems declined rapidly in numbers throughout the 20th century, but the sparknotes the other wes moore DC system in New York City was shut down in The war of the currents grew out of the development of two lighting systems; arc lighting running on alternating current and incandescent lighting running on direct current.
By the late s, arc lamp systems were beginning to be installed in cities, powered by central generating plants. Arc lighting was capable of lighting streets, factory yards, or the interior of large buildings. Arc lamp systems used high voltages above 3, volts to supply current to multiple series-connected continue reading, [4] and some ran better on alternating current.
In inventor Thomas Edison saw a market for a system that could bring electric lighting directly into a customer's business or home, a niche not served by arc lighting systems. Edison designed his utility to compete with the then established gas lighting utilities, basing it on a relatively low volt direct current supply to power a high resistance incandescent lamp he had invented for the system.
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Edison direct current systems would be sold to cities throughout the United States, making it a standard with Edison controlling all technical sparnotes and holding all the key patents. Direct-current systems could be directly used with storage batteries, providing valuable load-leveling and backup power during interruptions of generator operation. Direct-current generators could be easily paralleled, allowing economical operation by using smaller machines during periods of light load and improving reliability.]
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