Recommended Practice
Propulsion Controls Periodic Inspection and Maintenance
Abstract
This Recommended Practice gives the minimum requirements for the periodic inspection and maintenance of propulsion controls used on rail transit vehicles.
Document History
| Document Number | Version | Publication Date | Publication | Related Information |
|---|---|---|---|---|
| APTA RT-VIM-RP-018-03 | Rev. 1 | 01/06/2017 | Published | Current |
Keywords
propulsion controls, inverter, chopper, switch resistance,
Summary
Rail transit vehicle propulsion controls in use today vary considerably in design. The components used, however, can be maintained using similar techniques, irrespective of the design variations. Propulsion controls fall into three general groups: switched resistance (e.g., DC cam), DC-DC chopper and DC-AC inverter.
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