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Tom 231 > Xtrap Traction > Flashcards

Xtrap Traction Flashcards

1
Q

Roof mounted HVACs provide the following:

A
  • Heating
  • Ventilation
  • Air Conditioning
  • Demisting (Cab)
  • Cab footwell heater
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2
Q

Xtrap trailer car pantograpg is located at which end?

A

No.2 end

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3
Q

Trailer Car has 2 small AC lights located where?

A

A side wall, next to door 2

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4
Q

Roof Mounted Equipment

Motor Car

A

HVACS
Resistor Grids

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5
Q

Roof Mounted Equipment

Trailer Car

A
  • Pantograph
  • HVAC
  • Panto and Lightning Arrestor
  • 2 HSBC (high Speed Citcuit Breakers)
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5
Q

The Auxiliary Pneumatic Panel is located where?

A

Near the B side cab door near the No.8 wheel.

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6
Q

The Auxiliary Pneumatic Panel contains what?

A
  • Whistle I.C
  • Uncoupling I.C
  • Trip Cock Reset I.C
  • Trip Cock Active I.C
  • Auxiliary Pnkeumatic Panel I.C (all)

WUTTA

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7
Q

Park Brakes are fitted to which axels and wheels of an Xtrap Motor Car?

A
  • Axels 1,2,3
  • Wheels 1,3,7
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8
Q

Within the Auxiliary container there are?

A
  • 2 static inverters
  • Battery Charger
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9
Q

What are static inverters for?

A

Used to convert 1500v DC to 400v AC to operate auiliary equipment. Alos supplies power to the battery charger.

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10
Q

CCTV camera vision will not be displayed while the train is travelling above?

A

3kms

Except when PEI is operated

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11
Q

The High Voltage Circuit and equipment comprises the following compnents:

A
  • Pantograph
  • Lightning Arrestor
  • 2 High Speed Circuit Breakers
  • Line Inductors
  • Traction Inverters
  • Rheostatic Brake Resistor Grids
  • Auxiliary Inverter (SIV)
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12
Q

Maximum output of battery charger

A

123.6vDC
124.Nominally 110vDC

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13
Q

Low Voltage System

The Low Voltage Circuit comprises of the following components and systems:

A
  • Auxiliary Inverter
  • 400/220vAC system
  • 110vDC system
  • 24v AC/DC system
  • Batteries
  • Air Conditioning system
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14
Q

Each SIV (Static Inverter) produces 400vAC, and supplies power to the following what equipment?

A
  • 400/220vAC system
  • 110vDC system
  • Air Conditioners
  • Air Compressors
  • Battery Charger
  • Traction Converted Cooling Fans
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14
Q

If one SIV (static Inverter) fails, the remaining SIV will supply power to the following:

A
  • No.1 Air Compressor
  • No.1 Air Conditioner on each car
  • Full Saloon Lighting
  • Both Traction Converter Cooling Fans
  • Battery Charger
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14
Q

Low Voltage 110v DC system

The 110vDC distribution systems comprise of 3 distribution lines, each corresponding to a different state of the train, they are?

A
  • Permanent Low Voltage line
  • Prepared Low Voltage line
  • Prepared Low Voltage and Cab Operative line
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15
Q

The Following Equipment is powered by 24v AC power

A
  • Headlights (hi-Beam)
  • CCTV cameras in passenger saloon
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16
Q

Prepared Low Voltage and Cab Operative

Once Master Controller key is inserted and ON (active) the pantos raise. Local switches in each car energise the Prepared Low Voltage and Cab Operative. Once energised, the following 110vDC equipment is operational:

A
  • Pantograph operational
  • Status and Fault indicatons
  • Traction Control
  • Braking Control
  • Door Control
  • Safety Loop
  • Communications
  • Emergency Saloon Lighting
  • Normal Saloon Lighting
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16
Q

The Safety Loop is comprised of?

A
  • ENergency stop button
  • Vigilance devices
  • Trip
  • Emergency position of the Master Controller Handle
  • The Monitoring Pressure Switchin the Main Reservoir located on the trailer
  • The Monitoring Pressure Switch in the Brake Pipe located on the trailer
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16
Q

Permanent Low Voltage line

PLV is permanently connected to the batteries and supplys an electrical connection to the following:

A
  • Pantograph Electrical Motor
  • Step Lights
  • Fluorecent Cab Light
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17
Q

Prepared Low Voltage line

WHen thenMaster Controller key is removed, local switches in each car energises the Prepared Low Voltage line. The train enters a service retention mode where the following will occur:

A
  • Train remains prepared
  • Pantograph remain raised
  • Settings of the last cab in service are memorised
  • Marker Lights, Door Lights and saloon Lights will retain whatever settings they had prior to the remval of the Master Controller Key
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18
Q

The Safety Loop circuit is protected by?

A

Safety Loop Positive (23Q1) and
Safety Loop Negative (23Q2) circuit breaker

22Q6 Multi-Unit Relay

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19
Q

The Safety Loop Test, tests for what?

A

Testing the Safety Loop for a short circuit

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20
Q

Emergency Brake application will occur when:

A
  • MR pressure falls below 580Kpa
  • BP pressure falls below 300Kpa
  • When Trip devise is activated or raised
  • Hand or Foot Vigilance devices are not set
  • Emergency Vigilance button not pressed withing 40 secs
  • Loss of 110vDC
  • Master Controller pllaced into Emergency
  • Emergency Stop Button pressed in any cab’
  • Two or more controller keys at the same time
  • 23Q1 or 23Q2 Circuit breaker trip in the leading cab
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21
Q

To reset the trip cock, what has to happen?

A
  1. Train must be below 0.5km/h
  2. Stationary for 5 seconds
  3. RESTET and release
  4. Trip activated light will extinguish
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22
Q

Saftey Loop 110v Supply Switch positions?

A

Normal and Rescue

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23
Q

Saloon Doors

The Service Retention Feature allows which doors to remain open, and for how long?

Used when assisting special needs passengers

A

Doors 1,2,5,6 MC
Keeps doors open for 10mins when Master Controller Key has been removed. After 10mins they automatically close.

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23
Q

Saloon Door Automatic Opening and Closing

When a saloon door is released and opened, it will remain open for how long?

A

1min

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23
Q

Saloon Door Emergency Door Release

The External Emergency Door Release Tri-Key Switch operates on which doors?

A
  • 1,2,5,6 of motor cars
  • 2,5 trailer cars

If the Key switch is vertical the FDLC will continuosly flash

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24
Q

Saloon Door electric motors: Locations, and lever positions

A

Locations: To the left of each door in the saloon (Door 1 motor accessed within driver cab)
Lever positions: ALL the way UP- FREEWHEEL
ALL the way DOWN- LOCKED CLOSED

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25
Q

Saloon Door

Secondary Release Feature:
If after 4 attempts to close and the obstruction is not removed, what happens?

A

A beeping tone will sound in the passenger saloon for 60secs

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25
Q

Saloon Door

Secondary Release Feature

A

Door attempts 4 times to close, at 3 sec intervals

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26
Q

Door Emergency Release (DER) Internally

When the DER is activated, the following will occur:

A
  • The Door CLose (Blue) light will flash
  • The door can be manually operated
  • Traction power will still be available while the train is still running, but if stopped, tracion power will be inhibited
  • The CCTV camera covering the door with the activated DER will display an image of the area around that door on the DDU (only after driver answers call)
  • The ANSWER (Red) Buttonon the drivers console will flash
  • THE DOOR EMY HANDLE ACTIVATED status light will illuminate
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27
Q

Lighting system

The carriage lighting system comprises of:

A
  • Passenger Saloon Lighting 110vDC
  • Emergency Lighting 110vDC
  • Cab Lighting 110vDC and 24vDC
  • Step Lighting 110vDC
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28
Q

Resetting the VICERS system after activation

If the VICERS system activates the safety loop, the driver must?

A
  • Bring the train to a stand (0km) for 10secs
  • Master Controller into Coast
  • Observe the Emergency Brake Applied Light is illuminated

The Driver can now push the VICERS acknoledge button to reset the emergency brake application

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29
Q

Speed Threshhold 0.5km/h

What train functions are used by the Speed Threshold Train Line?

A
  • Uncoupling- of a Multiple Unit
    * Passenger Saloon Door Release-
  • Resetting the Safety Loop- after reduction in Brake Pipe Pressure during Train Rescue
  • Resetting the Trip Cock Device- after activation. The cab must be stationary for 5 secs to reset.
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29
Q
A
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30
Q

Pressures

MR Pressure?

A

750kpa-900kpa

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31
Q

MR Safety Valve Pressure?

A

980kpa

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32
Q

BP Pressure (normal operation)

A

0kpa

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33
Q

BP Pressure? (Rescue operation)

A

550kpa

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34
Q

Holding Brake Cylinder Pressure?

A

120kpa

35
Q

Full Service Brake Cylinder Pressure

A

190kpa

36
Q

Compressor Govenor Isolating Cock

Should the compressor governor be ISOLATED, what happens to the compressor?

A

If the compressor is running, it will stay running non stop

If the compressor is stopped, it will remain stopped

36
Q

Name the 4 braking systems on an Xtrap?

A
  • Service Brake
  • Holding Brake
  • Emergency Brake
  • Spring Park Brake
36
Q

Emergency Brake Cylinder Pressure?

A

210kpa

37
Q

What is service brake?

A

A service brake is the blending of
* Electro-Dynamic Brake (ED)
* Electro-Pneumatic (EP) friction brake

37
Q

Emergency Mode Switch

The EMS has 5 Positions, they are:

Takes a train out of normal operation and into a degraded or rescue mode

A
  • Online Holding Brake Inhibit
  • Normal
  • Rescued
  • Rescuing
  • Rescuing in propulsion (When youre being rescued by a completely different train)
37
Q

ED brakes operate at speed above?

A

10km

ONly works on MCars as its provided by the traction motors

37
Q

Holding Brake applies at a speed of?

A

0.5km/h

38
Q

Low Speed Running Brake Test

Where is the test performed?
What speed is the test performed at?
What brake is being tested?

A
  1. When docking out of siding location (on a train previously prep’d
  2. Approx 5km/h
  3. Service
38
Q

Manual Releasing Spring Park Brake

The release cable is locked with a padlock, which can be opened with which key?

A

AX Key

39
Q

Running Brake Test

What brake is being tested?
What speed?

A
  1. Service Brake
  2. Track Speed
40
Q

Running Brake Test

When do you carriy out a Running Brake Test?

A

At the first suitable oppertunity prior to the first required stop in the following situations:
* After taking control of the train
* changing ends
* Following dividing and attaching
* When transitioning between dry and wet
* Following a defect or alteration to train equipment

41
Q

Train fails to uncouple, What circuit breaker needs to be pulled and later reset?

A

22Q6

42
Q

Full Cab Inspections

Performed during PM or ML preps, driver must chech/test all equipment in the cab. Name the Vital safety equipment tests?

A
  • Brake
  • Hand and Foot pilot valve
  • Emergency stop button
  • Safety Loop
  • VICERS
  • Emergency Auto-Vigilance
  • Trip
  • Traction Test (lead motor only)
43
Q

Pantograph test

Pantographs should lower in what timeframe?

A

10secs

44
Q

What are the operating positions of the saloon lights?

A

0- Emergency
1/2- One side
1- normal

45
Q

What setting are there for cab lighting?

A

OFF/Cab(fluro)/Desk

46
Q

What does the HVAC control?

A

Heating, Ventilation, A/C, Demister, Footwell heater

47
Q

On what cars are battery boxes?

A

TC

47
Q

On what cars are traction converters?

A

MC

48
Q

On what cars are auxiliary converters?

A

TC

49
Q

What is t he roof mounted equipment on a T Car?

A
50
Q

What are the 3 bypass switches on the driving panel?

A
51
Q

What 2 lights are illuminated in a non active cab?

A

High Voltage
Other cab Active

52
Q

What is the minimum voltage on the voltmeter for the operation of the Xtrap?

A

90v

52
Q

Whats located in the electrical MCB Panel?

A

Circuit Breakers
Door Loop By pass
HVAC Bypass
110vDC supply for safety loop

53
Q

What Key unlocks Xtrap Doors?

A

V29P

53
Q

Driver seat height adjuster height is controlled by:
24DC?
110DC?
12DC?

A

24DC

53
Q

Where are wheel Chair ramps located?

A

1,6

54
Q

What does the Master Controller do?

A

Applies traction, braking, Emergency Braking?

55
Q

Reverser Positions?

A

Forward
Reverse
Neutral

56
Q

The Auto vigilance bypass switch is used when which of the following equipment is defective?

A
  • Hand Pilot Valve
  • Foot Pilot Valve
  • Trip
57
Q

5 things that will happen if the safety loop de-energises?

A
  1. Emergency brakes will apply
  2. Emergency Brakes Applied Will illuminate
  3. Traction power inhibites
  4. Rheo Brake inhibited
  5. Recording of emergency braking by the data logger
58
Q

Whenwould the rescue turret switch in the EC need to be placed into the rescue position?

A

When an Xtrap has a failure of 110vDC power supply to the safety loop.

59
Q

What wheels are the spring park brakes fitted?

A

1,3,7 MCar

No Brakes on a Tcar

60
Q

What happens to HSCB when a train is prepared?

A

They cose to supply 1500vDC to the traction converters.

60
Q

What do the HSBC protect?

A

Traction Equipment

61
Q

When would HSBC trip?

A

If a short circuit develops on the train, or there are disruptions in the overhead

61
Q

The safety loop will fail when the MR pressure falls to what?

A

580Kpa

61
Q

Where is the primary suspension located?

A

Between the axle box and the bogie

61
Q

When attaching, if the other trains pantos are raised, what do you check in the other motor?

Apart from the coupler and cocks

A

Emergency Brakes applied
Another Cab Operative IS NOT illuminated

61
Q

What does the Wheel Slide Prevention do?

A

Monitors the spin/slide of the wheels during powering and braking to allow for automatic correction, aloso drop out the rheo brake

61
Q

Name the 3 positions of the Vicers Keyswitch?

A
  1. Operate
  2. Isolate
  3. Test
61
Q

Does the Key need to be in to conduct a train stable?
When can it be removed?

A

YES
5 seconds after the High Voltage presence extinguishes and
‘one or more pantos down’ illuminated

61
Q

What does the secondary suspension consist of?

A
  • L-Lateral Bumo Stoppers
  • S-Spring Units
  • D-Dampners (Lateral and Verticle)

LSD

62
Q

The MR pipe connects the MR on the T car to what 3 pieces of equipment?

A

3 A’s
* Aux Res
* Aux Pneumatic Panel
* Automatic coupler

62
Q

What voltages does the high and low beam headlights runoff?

A

High Beam = 24v AV
Low Beam = 24v DC

62
Q

What are the 4 potitions of the Master Controller?

A
  1. Emergency
  2. Brake
  3. Coast
  4. Power
62
Q

Under whsat circumstances is the emergency auto vigilance bypass turret switch used?

A

When the following items are defective:
1. Trip cock devise
2. Hand pilot valve
3. Foot pilot valve

62
Q

How do you BYpass the 2 vigilance devices?
ANd what must then be pressed every 30-40 secs

A

Break seal, then, place the emergency vigilance bypass turret switch to bypass position and hold it there.
The Auto-vigilance bypass button.

62
Q

How mant Xtrap cars can be electricall coupled and why?

A

9 only, because the safety loop is compromised above that and there is too much resistance

62
Q

On train startup, when you put the Key in, what 2 fault and status indicator light must you observe extinguish in 20 secs?

A

Auxiliary Fauly
Battery Charger Fault

62
Q

What does the voltmeter gauge indicate?

A

The level of voltage available in the storage batteries (must be 90v or above)

62
Q

Internal Saloon air con faults lights are named?

A

A and B fault lights
A points to No 1 end
B points to No 2 end

62
Q

The following equipment is powered by 24vAC power?

A
  • Headlights- Highbeam
  • CCTV Cameras
62
Q

What frequency with the Memorey aid buzz in an Xtrap?

A

30secs

62
Q

The bogie brake cyclinder gauge indicates air pressure in which brake cylinders?

A

Wheel 8 Bogie 1

63
Q

How many passenger emergency intercoms exist in an Mcar?

A

5

63
Q

MR safety relieve valve set at what pressure?

A

980Kpa

64
Q

Brake pipe Pressure safety loop opens at what pressure?

A

300Kpa

64
Q

MR pressure falls below what then the safety loop opens?

A

580Kpa

65
Q

Brake pipe pressure above what, then traction avalible?

A

480Kpa

65
Q

Brake pipe pressure safety loop closes at what pressure?

A

430Kpa

66
Q

MR pressure rises above what, then the safety loop closes

A

650kpa

Tom 231 (14 decks)

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