Traction Siemens - Electrics

Question 1

Where are pantos located

Answer 1

No.2 end on all DM cars

Question 2

Purpose of surge arrestor

Answer 2

Grounds surged of power from overhead and protects high voltage equipment

Question 3

What do HSCB do

Answer 3

Disconnect traction equipment in event of over current, faults and short circuit

Question 4

Does the traction control unit control application and release of holding brake?

Answer 4

Yes

Question 5

What voltage does air compressor run on

Answer 5

400vAC

Question 6

What does the 1500 pass through before it goes to the SIVS

Answer 6

High voltage container

Question 7

If one static inverter goes out, what continues running

Answer 7

Everything, except air con runs at 50%

Question 8

Battery charger supplies 110v to what equipment

Answer 8

Batteries
Comms
Lighting
Door system
Traction control equipment
EP braking control equipment
Safety loop
Other various control circuits and equipment

Question 9

What do batteries supply power for

Answer 9

Backup power
Start up
Panto rise

Question 10

What system do pantos use?

Answer 10

Electro-mechanical

Question 11

Where does the power supply come from to raise pantos

Answer 11

Batteries

Question 12

6 steps to raise pantos

Answer 12

1 Key in and on
2 check SPB applied
3 wait for all buzzers to stop, press panto up button (located on fault panel)
4 check line voltage is illuminated
5 check panto up button extinguished
6 visual check pantos up

Question 13

2 ways to lower pantos

Answer 13

Stable button
Panto down button

Question 14

Hiw long to press stable button

Answer 14

5 seconds

Question 15

Can you use panto down button to stable?

Answer 15

No

Question 16

Where is the panto crank handle located

Answer 16

DM car
Right of door 2

Question 17

When manually raising/lowering pantos what CB should be tripped

Answer 17

Panto motor

Question 18

If manually lowering pantos do you leave panto motor tripped and report to TC?

Answer 18

Yes

Question 19

What type of doors are saloon doors?

Answer 19

Plug type bi-parting

Question 20

Is each saloon door fitted with a door module

Answer 20

Yes, left of every doot

Question 21

Is there a button in the door control module allowing you to open and close depending on saloon door position?

Answer 21

Yes

Question 22

When does the DOOR OUT OF ORDER button illuminate and flash?

Answer 22

Illuminate = DCU defective
Flash = door system fail

Question 23

If there is a saloon door obstruction, will the door re-open and close button on driver panel flash?

Answer 23

Yes

Question 24

If saloon door obstructed, after hiw many y seconds will door attempt to close again. How many times does it do this

Answer 24

3 seconds 3 times

Question 25

Saloon door auto close time

Answer 25

60 sec

Question 26

When a DER is active what 4 things happen

Answer 26

DER light FDCL Audible tone CCTV

Question 27

What voltage does safety loop require to run

Answer 27

110v

Question 28

What cannot be bypassed with safety loop

Answer 28

MEMES Master key switche MCB ESB MC handle/ emg position Safety loop MCB

Question 29

What can be bypassed with safety loop

Answer 29

HOME-VBC Coupler fail relay Hand and foot (deadmans) ESB non active cabs Main res pressure relay Overspeed relay BCU major event relay Vigilance system

Question 30

Auto applications of emg brake (involuntary)

Answer 30

Delner or semi perm coupler fails (train divides) Electrical coupler fails on 2x 3 cars Over speed exceeded BCU critical fault MR below 600kpa Trip activated VICERS Safety loop short circuit

Question 31

Can master key switch put in off position cause emg brakes

Answer 31

Yes

Question 32

How to reset emergency brake (safety loop)

Answer 32

Coast

Question 33

5 steps to reset trip on cab startup

Answer 33

Key in and on Trip light illuminated Master selector to driving position MC to coast Emergency brake release and holding pressure apply

Question 34

How to remove trip from safety loop during failure (6 steps)

Answer 34

Mc to b6 Neutral Key off and out Insert key into trip bypass Remove key and reactivate cab Mc to 0 to see if emergency brake releases

Question 35

If unable to reset emergency brake when isolating trip, what else will need to be bypassed

Answer 35

Safety loop

Question 36

What two things need to happen to put VICERS in suppression mode

Answer 36

0km BC pressure above 76 (B3)

Question 37

In vicers suppression mode, if controller is in B1 or B2, how many seconds will vigilance button flash after?

Answer 37

35 seconds

Question 38

How to reset vicers (4)

Answer 38

0km Mc = Coast Wait 10 seconds Push vicers button

Question 39

Is vicers isolated automatically when trip or safety loop is bypassed?

Answer 39

Yes

Question 40

Isolate vicers (4 steps)

Answer 40

Open CB panel Insert key to vicers isolate Turn to isolate Report defect to TC