Westinghouse's AC Systems Challenge Edison's DC: The War of Currents

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Updated By: History Editorial Network (HEN)
Published:  | Updated:
4 min read

George Westinghouse's installation of his first alternating current (AC) systems marked a pivotal development in the history of electrical engineering. Before this, Thomas Edison's direct current (DC) systems dominated the electrical distribution landscape. Edison's DC technology, although pioneering, was limited by its inability to efficiently transmit power over long distances. Westinghouse recognized the potential of AC technology, which was capable of transmitting electricity over much greater distances with less power loss compared to DC. By installing his AC systems, Westinghouse challenged the existing dominance of Edison's DC systems and intensified a technological rivalry that would come to be known as the "War of Currents." The technical superiority of AC systems lay in the use of transformers to step up voltage for long-distance transmission and then step down voltage for safe local use. This innovation was critical as urban centers and industrial demands for electricity increased. The competition forced both Westinghouse and Edison to rapidly innovate and improve their respective technologies. Westinghouse's AC systems offered several advantages, including cost efficiency and greater reach, which gradually shifted public and commercial support towards AC. This shift was substantiated by several successful installations and the growing acceptance of AC systems in residential and industrial applications. Although Edison's DC system had the early advantage, Westinghouse's AC system gained traction and eventually led to it becoming the standard for electrical power distribution. The broader impact of this technological rivalry extended beyond the two men's personal ambitions, profoundly influencing economic policies, technological advancements, and the future landscape of global electrical infrastructure. #Westinghouse #Edison #ElectricalEngineering #WarOfCurrents #Innovation #MoofLife
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