Recommended Practice

 480 VAC Head End Power System


This document defines the recommended practices for a Head End Power (HEP) system, including hardware component functional requirements, transmission, power distribution and load properties for use on new locomotive-hauled passenger vehicles. Single bus and split bus forms are described to accommodate intercity and commuter type operations.

Document History
Document Number Version Publication Date Publication Related Information
APTA PR-E-RP-016-99 03/04/1999 Published Current


head end power system, trainline, 480 VAC



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