High-Tech and Low Powers New York's Subway

Before the first New York City subway train took its historic ride in October 1904, engineers and electricians had to plan the inner workings of the new transit system. The infrastructure they designed 100 years ago has been upgraded with the arrival of new technologies. But it is still working pretty much as it was originally planned. Beth Fertig of member station WNYC reports on the complicated blend of old and new technology that moves thousands of riders around the city each day.

NYC subway rotary converters

The New York City subway system relied on rotary converters for many decades to change electrical power from AC to DC. Christopher Payne/New York's Forgotten Substations/ Princeton Architectural Press 2002 hide caption

itoggle caption Christopher Payne/New York's Forgotten Substations/ Princeton Architectural Press 2002

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