Instructor’s Guide Introduction and Overview to APS & Batteries Auxiliary Power Supply

and Battery Systems

Introduction and Overview

Course 104

INSTRUCTOR GUIDE

Module 2: Power Collection and Shop Power

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Instructor’s Guide Introduction and Overview to APS & Batteries

Table of Contents

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Overview……………………………………………………………………………………………..….………4 Power Collection……………………………………………………………………………….……………..15 Shop Power….………………………………………………………………………………………………..22 Summary……………………………………………………………………………………………………….26

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Instructor’s Guide Introduction and Overview to APS & Batteries

Icons Used In This Guide Agenda

KNOWLEDGE CHECK

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Topic # Topic Title Duration

1 Overview 10 min

2 Power Collection 30 min

3 Shop Power 30 min

4 Summary 5 min

5 Quiz 15 min

TOTAL TIME 90 min (1.5 hours)

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Instructor’s Guide

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Instructor’s Notes

Introduction and Overview to APS & Batteries

PPT Slides 1, 2 Welcome to Module 2 of Course 104: Power Collection and Shop Power. The purpose of this module is to provide participants with and overview of power collection, its distribution in the rail vehicle and in the maintenance shop. Advance Slide. Energy is an essential element for our lives and for the rail vehicles on which passengers depend. The work of the rail vehicle technician is to ensure that the vehicle’s energy is available for passengers and train operators not only for convenience but also for safety, reliability, and efficient operation. Advance Slide.

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Introduction and Overview to APS & Batteries

PPT Slides 8, 9 Light and heavy rail transit vehicles are dependent on high voltage feed from an external source (typically 600 to 1000 Vdc). Because the vehicles are in motion, a sliding contact is necessary to collect this high voltage power. This is typically accomplished with one of two methods: Overhead catenary with pantograph, or Third rail and collector shoes (paddles). Whichever method is used, the running rails serve as the ground return. The participant should recall that the running rails are the two rails of the track upon which the wheels of the train rest and which provide the guidance for the train. Advance slide

Here’s another view of the overhead catenary with pantograph. Advance slide 14

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Introduction and Overview to APS & Batteries

PPT Slide 21Using the chart on page 26 as an example, define the shop power route from the collected power source to the shop. Allow time for participants to complete the activity.

Knowledge Check answers appear behind “white out” blocks. Click through slide to reveal answers. Read knowledge check and solicit responses. Advance slide.

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