Rapid Evolution of Electrical Power Systems: DC vs. AC Power Competition
| Technology | Business |
Updated By: History Editorial Network (HEN)
Published:
5 min read
At the juncture when progress in electrical infrastructure was rapidly advancing, Edison Electric Company operated 121 direct current (DC)-based power stations. In parallel, Westinghouse constructed 68 alternating current (AC)-based stations, while Thomson-Houston Electric Company had established 22 AC-based stations. This period marked a crucial phase in the development of electrical power distribution systems, highlighting the competition between DC and AC power technologies.
Thomas Edison, a prominent figure in the development of electrical innovations, championed DC power. His DC-based power stations began to spread across urban centers, providing electricity for lighting and mechanical power. However, DC power had its limitations, especially in transmitting over long distances, becoming less efficient and more costly beyond a certain range.
On the other side, George Westinghouse advocated for AC power, following the principles set forth by Nikola Tesla. AC power had significant advantages in spanning longer distances due to its ability to be easily transformed to higher voltages, transmitting more efficiently over extensive power lines and reducing energy loss.
The presence of 68 AC power stations built by Westinghouse indicated a substantial acceptance and investment in AC technology. Thomson-Houston Electric Company, another notable player, also contributed to the AC infrastructure with 22 stations. These developments underscored the competitive landscape of the electrical power industry and the ongoing debate over the superiority of DC versus AC systems.
The distribution of power stations demonstrated the rapid expansion and demand for electricity, impacting urban development and industrial growth. The infrastructure provided by these power entities played a fundamental role in powering homes, factories, and public spaces, fostering economic and social transformation.
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Primary Reference: War of the currents - Wikipedia

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