Catenary
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The overhead wire system that supplies electrical power to trains via a pantograph mounted on the roof. A catenary typically consists of a messenger wire supporting a contact wire at a consistent height above the rail, held in tension by counterweights. High-speed lines use specially designed catenaries that maintain stable contact at speeds above 300 km/h.
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Catenary is a term used in the railway industry. Understanding this concept helps travelers navigate train services, schedules, and ticketing more effectively. See the full definition above for details.
Knowing what Catenary means can help passengers plan their journeys, understand announcements, and make informed decisions about routes, fares, and service types when traveling by train.
Several railway terms are closely related to Catenary. You can explore related concepts in the sidebar or browse the full TrainFYI glossary to deepen your understanding of rail terminology.