Rescue Ops Bulletin 9

Question 1

Pantograph

Answer 1

Where the power is conveyed to the streetcar from the OCS

Question 2

TPSS

Answer 2

Traction power sub station

Question 3

Function of the TPSS

Answer 3

Step down 13,000 ac volts from Pepco to 750V DC.

Question 4

Height of catenary lines above grade

Answer 4

20’

Question 5

SCC

Answer 5

Streetcar control center

Question 6

How do you shut down a TPSS?

Answer 6

At the emergency shutdown box outside the station, press the red button

Question 7

What’s the minimum safe distance to stay away from catenary power lines?

Answer 7

10’

Question 8

3 power sources for streetcars

Answer 8

OCS
Main batteries
Aux batteries for 24V (inekon cars only)

Question 9

How long can capacitors on top of streetcars stay energized after catenary power is removed?

Answer 9

Up to 5 mins

Question 10

Where is the switch to discharge the capacitors on streetcars?

Answer 10

There isn’t one.

Question 11

What’s the quickest way to de energize a streetcar?

Answer 11

Lower the pantograph

Question 12

How can the pantograph be manually lowered?

Answer 12

By a hand crank located in cab A behind the operator

Question 13

What is the track dimensions?

Answer 13

Standard rail width 4’ 8.5”

Question 14

How are wheels chocked on a streetcar?

Answer 14

2 chocks per wheel on each track. (4 total)

Question 15

Response for pedestrian struck

Answer 15

1 E, 1 T, bfc, ALS unit, ems supervisor

Question 16

Response for Mva involving streetcar

Answer 16

2E, 1T, BFc, bls unit

Question 17

Response for streetcar Mva or pedestrian struck and entrapped

Answer 17

2E, 1T, bfc, rescue squad, ALS unit, ems supervisor

Question 18

Response for streetcar fire

Answer 18

2E, 1T, bfc

Question 19

OCS

Answer 19

Overhead catenary system