HCMT traction Flashcards
What is the consist of an HCMT?
Tc - DMp - Mp1 - DT - Mp2 - DMp - Tc
What does DMp stand for, and what do they have?
Door Motor Pantograph – they have fire doors, traction motors and pantographs
Which cars have the battery-powered auxiliary compressors to raise the pantographs?
DMp cars
What does Mp stand for? What do they have?
Motor Pantograph – they have traction motors and pantographs
What car contains the non-cab fire extinguisher?
Mp2 (high numbered MP car)
What does DT stand for? What does it have?
Door Trailer – has fire door
What do the four numbers in an HCMT set number represent?
First number = 9 (indicating HCMT)
Second number = Car number in the set (from 0 to 9, with 4, 5 and 6 missing)
Third/Fourth numbers = two digit set number
How are wheels numbered?
Stating from A side, in a zig-zag pattern
When touching your card on the external badge reader, how long does the electric striker remain unlocked for?
5 seconds
What is the roof-mounted equipment on a Tc:
Cab HVAC
Saloon HVACs
Air Exhaust
What is the roof-mounted equipment on a Mp car?
Pantograph
Air Exhaust
Saloon HVACs
What is the roof-mounted equipment on a DMp?
Pantograph
Air Exhaust
Saloon HVACs
What is the roof-mounted equipment on a DT?
Air Exhaust
Saloon HVACs
How long does a driver place their access card on the badge reader to gain access to an HMCT?
1 second
How can a driver gain access to their cab if their access card is missing or defective?
Call Metrol
What indication is given that the door has unlocked when accessing the train from external cab doors?
It will click and move ajar
How long does the EAD (Emergency Access Device) need to be held for to activate?
10 seconds
How does the driver inhibit an EAD activation attempt? How long does it inhibit a door release for?
By pressing the Cab Release Inhibit button. It inhibits for 5 minutes.
HCMT cab equipment: Where is the first aid kit located?
In the first aid cabinet in front of the OJT seat
HCMT cab equipment: Where is the Switch Stick located?
To the right of the OJT seat
HCMT cab equipment: Where is the fire extinguisher located?
On the storage locker door to the left of the Driver’s seat
HCMT cab equipment: Where are the flags located?
To the left of the driver’s seat
What does DMI stand for? What does it display?
Driver Machine Interface. It displays the speedometer and High-Capacity Signalling (HCS)
What does the primary suspension consist of on the HCMT? Where is it?
Rubber-laminated springs mounted between the axle box and the bogie frame
How many secondary-suspension air bags does each bogie contain?
Two
Where are the external Air Suspension Isolating Cocks located?
On B Side of each car towards No. 2 end
Can you isolate a single bogie’s air suspension on a car?
No, both must be isoalted
Is the towing unit essentially the same as the Siemens?
Yes, so don’t even bother learning anything new
What equipment is in the Auxiliary Power Supply Container?
- Auxiliary Inverter
- Medium Voltage Box
- Battery Charger
How many battery cells within each battery box?
80
What is the purpose of the Auxiliary Power Supply System?
To convert 1500v DC to 415v 3-phase power to the battery charger
What voltage does the battery charger supply to the train?
110v DC
What does the Air Supply Unit (ASU) consist of? (3)
- Main air compressor
- Air dryers
- Filters
What does the High Voltage (HV) box consist of? (2)
- HSCBs
- Harmonic Wave Detection Device
What is inside the Variable Voltage and Variable Frequency Cabinet? (2)
- Two traction inverter modules
- Traction Control Unit
What is the role of the Traction Inverters?
Converts 1500v DC to variable three-phase voltage and variable frequency for the traction motors
Where are the battery-powered auxiliary compressors located?
on DMp cars only
What is the purpose of the auxiliary air compressor?
To provide air for the pantographs when main res pressure is low, or when the car has been isolated from the main res system
How long will an HCMT operate on emergency power for?
2 hours
What is the maximum period of time an HCMT can be stabled for, according to battery power?
2 weeks
On which cars are the BCMs?
All of them
Which isolating cocks are located within the BCM?
Sanding equip, Park Brake**, Brake Cylinder Bogie 1, Brake Cylinder Bogie 2, Brake Supply
**Replaced with Tread Scrubber on Tc cars
What does HMI stand for? What does it display?
Human Machine Interface. It displays the train’s systems and devices
What are the two positions of the Master Controller Switch?
On and Off
(lol the Master Controller is different to the Master Controller Switch)
What are the four positions of the Reverser?
- FOR
- NEU
- REV
- OFF
What are the seven positions of the Master Controller?
- EMY
- MAX brake
- Braking zone
- MIN brake
- Coast
- MIN power
- Powering
(This is according to courseware. We can, however, clearly see a MAX power in the accompanying photo)
What acts as a Cab Active light in an HCMT?
The backlit window on the Master Controller
What happens if the pilot valve is released while the HCMT is in motion? (2)
Alarm will sound after 1.5 seconds and Emergency brakes will apply
What will happen in an HCMT if you are stationary and you have a 50% or less braking application? (2)
Alarm will sound after 1.5 seconds and Emergency brakes will apply
How long should door buttons be pressed for?
2 seconds
After an initial DER is activated, how long until the passenger is able to open the door?
20 seconds, provided the train is stationary
If a DER is activated and the driver presses the DER Inhibit button within 20 seconds, how long will the door be prevented from opening?
120 seconds
What is in the A Side Electrical Cabinet?
- Vigilance equipment
- Isolation/override controls
- Circuit breakers
- Communication equipment
What are the 5 positions of the Recovery Mode Switch?
0 to 4
(0 – Default
1 – Pushed by other train
2 – Pulling other train
3 – Pulled by other train
4 – Pushing other train)
Where is the fault panel located?
Horizontally above the Saloon Doors Control
How many IDIs (Internal Destination Indicators) in each carriage?
6
How many DRMDs (Dynamic Route Map Displays) in each carriage?
4
What are the two types of passenger intercom?
Emergency and Passenger Assist
Where are portable wheelchair ramps located?
Doors 1 and 2 of DMp cars
Where are fixed wheelchair ramps located?
Doors 1 and 2 of Tc cars
Where is Emergency Lighting drawn from?
Batteries
How long will Emergency Lighting last for on battery power?
2 hours
How long will Full Lighting last for on battery power?
10 minutes
Which isolating cock is located in cabinet B06 next to door 4 (all cars)
Brake Supply Isolating Cock
Which isolating cock is located in cabinet B07 next to door 3 (DMp, Mp, DT cars only)
Park Brake Isolating Cock
Which isolating cock is located in cabinet U12 in DMp and Mp cars only?
Pantograph Isolating Cock
When will the stopping aid cameras on an HCMT activate?
10 metres before the platform stopping mark
How is a driver alerted when a PI is activated? What happens when a driver answers the call?
Applicable car will be highlighted red, PI banner will appear at location of call. When answered, CCTV will appear
If a PI call isn’t answered within 30 seconds, what does the courseware say happens?
It gets added to Metrol’s queue
What indicated is the driver given when a smoke alarm is activated?
Relevant car is red, and a SMOKE banner is displayed above it
What happens if multiple alarms of different types are activated?
They will form an orderly queue
What does eTIS stand for?
Electronic Train Information System
What two things in the courseware did we need to highlight that are connected to the eTIS?
- Provides relevant info (alarms, status, train stopping etc) to the TMS for display to the driver
- Responds to the entry/alteration of the TDN to change the train’s service (TDN can be changed by driver, HCS, or Metrol)
What are the indications of a Level One Alert?
Audible tone, and flashing red bar
What are the indications of a Level Two Alert?
Audible tone, and flashing yellow bar
What are the indications of a Level Three Alert?
Solid yellow bar
On the train pictograms, what does the solid grey box inside the train indicate?
Door is closed and not available for release (unless ASDC override performed)
On the train pictograms, what does the solid green box inside the train indicate?
Door is closed but either available for release or released. Driver may push DOOR RELEASE when safe to do so
On the train pictograms, what does the solid white box outside the train indicate?
Door is open (includes cab/bulkhead doors)
On the train pictograms, what does the solid red box inside/outside the train indicate?
Inside = failed door in the closed position
Outside = failed door in the open position
On the train pictograms, what does the flashing red box indicate?
Emergency Door Release activated – DER has been pulled to Stage 2 access, OR external EAD activated, OR cab EAD is being help down
On the train pictograms, what does the solid yellow box inside the train indicate?
Door isolated
On the train pictograms, what does the empty/black/clear box inside the train indicate?
Door status unknown
What navigational button on the Main Status Screen must be pressed to allow the driver to enter a TDN?
PIDS control
On start-up, what is the minimum main res pressure required to raise the pantographs?
700 kPa
How is a pantograph raised on start-up? (2)
- Activate cab
- Press Panto Raise button
During emergency conditions, what functions will be reduced? (2)
- HVACs operating to 50% capacity (after 10 minutes)
- Fresh Air Fans operate on 110v DC battery power for 2 hours
What are the four circuit breakers that will open the safety loop on an HCMT? (4)
- Brake Control Supply
- Emergency Brake Loop Power Supply
- Traction Control
- Cab Activation
How many times may a driver attempt to reset a tripped miniature circuit breaker?
Twice
The Safety Loop cannot be reset until: (3)
- Train stationary for more than 3 seconds
- Reason for emergency brake has been reset
- MC to Max Brake and Reverser to Neutral
What nine things will apply the emergency brakes?
- MC handle to emergency
- Hand/foot pilot valve lost
- ESB pressed
- Trip cock activation
- Vigilance time-out
- Main Res below 600 kPa
- Towing Unit demand for emergency brake
- Safety System Bypass reminder timeout
- Physical interruption (e.g. train separation)
How many external smoke detectors are required to activate in order to trigger External Smoke Mode?
2
What is Emergency Brake Cylinder Pressure?
280 - 460 kPa
What is Holding Brake Cylinder Pressure?
140 - 240 kPa
What is the normal kPa variance on a HCMT?
+/-20 kPa
What is the main res over-pressure safety valve set to?
1,050 kPa
Generally speaking, should the pantographs be isolated using the inside or outside cocks?
Inside cocks please
After tripping, how long will the post-trip speed restriction apply?
500 seconds, unless cancelled
How does a driver cancel the post-trip speed restriction?
By pressing the Trip Speed button under the anti-tamper cover
What brakes are on a Tc car?
Holding, Emergency and EP
What brakes are on DMp and Mp cars?
Holding, Emergency, Park Brakes EP and ED
What brakes are on a DT car?
Holding, Emergency, EP and Park Brakes
What happens to a train if the EP brakes need to be isolated on a Tc car?
Train is declared disabled
How many bogies need to be isolated before a HCMT is taken out of service?
At least 3
At what speeds is the ED braking available on an HCMT?
3 to 115km/h
Can a driver manually isolate the ED brakes on a HCMT?
Nope
in “wash mode”, when is the holding brake released?
When the train detects any traction request
At what speed will the holding brake automatically apply?
0.5km/h
The holding brake will not release until (3):
- Safety Loop is energised
- There’s no brake demand
- Traction demand above 50%
To determine the required braking force, the BCU measures: (3)
- ED braking force present
- Braking force requested by driver
- Loading of the car
At what speeds does brake blending occur?
3km/h and 10km/h
When do spring park brakes automatically apply and release?
Apply: When the driver turns the MC Key Switch to Off.
Releases: When holding brakes are released
What are the three components of the Secondary Suspension?
- Air bags
- Dampers
- Levelling valves
What are the primary and secondary methods of resetting the trip?
Primary – via Trip Reset switch on OJT panel
Secondary – Pressing reset plugger on front of the trip
What indications can a driver get if one of the beacon readers has failed?
Stopping aid cameras don’t turn on, and either first or last door will be unavailable to open
How can a driver safety train/de-train a special needs passenger without the doors closing mid-procedure?
Press the Auto-Door Close Inhibit button
What doors to the auto-door close inhibit button apply to?
From the courseware:
“For the selected side (platform side) the first and third saloon doors of a Tc and the first saloon door of the second car (DMp) will be inhibited from closing properly.”
Interpret that how you will.
What happens if a passenger pushes a door open button just before the Driver opens the doors?
The push button becomes inoperative for 0.5 seconds
How many times will an obstructed door attempt to close? What happens after the last attempt?
Four times. Then the doors remain in a fully opened position
What will a driver need to do should a beacon read fail entirely?
Follow the ASDC (Automatic selective door control override procedure)
What’s that handy acronym to remember when performing the ASDC procedure?
A – Announcement to inform of delay
S – SDU (check cameras to confirm what doors are on the platform)
D – Door (open door to check correct side)
C – Cover (life cover and press ASDC button)
Where are external DERs (or EADs) located?
To the right of each saloon door
Can a door release initiated by a DER become fully released while the train is in motion?
Nuh
What are the three stages once a DER has been initiated?
- Level 3 alert on the HDMI and driver has 20 seconds to assess
- Within 10 seconds, driver received Level 2 alert
- If no action was taken within 20 seconds, the DER will be available to open once train is stationary
How many fire doors on an HCMT?
3
Where are the fire doors located?
DMp and DT (no 2 end)
When can a driver enter Yard Mode?
At any time
Will yard mode prevent your train from rolling above 15km/h?
Nope
What five things does Wash Mode prepare on a HCMT?
- Closes external dampers
- Deactivates HVACs
- Inhibits holding brake
- Max charges air compressors, then shuts down
- Restricts traction power to 3.5km/h
What time frame does a HCMT perform stabling duties within?
Between 2 minutes to 1 hour
How fast can a HCMT go through the wash if it is performing a passage without wash?
5km/h
On what wheels are the tread scrubbers?
Tc cars, wheels 3 and 4
How long do we get for a post-maintenance prep on a HCMT?
We don’t do post-maintenance preps on HCMTs
How do we prepare our lights when performing a trip test?
Marker lights to red, high beams on
I didn’t really make that many flashcards for train prep so maybe do your own study on that one
Okay
How long should a driver allow after start-up in the lead cab before initiating the train certificate tests in the rear cab?
7 minutes
What is the expected duration of the train certificate?
12 minutes
What position must the OJT seat be in when not in use?
Parked – upright and fully forward
What happens to the Detailed Brake Certificate of the park brake is applied?
It will fail
What happens if the Detailed Brake Test fails twice?
Report it to Metrol
What two driver errors can cause failure of HCS test?
Cab doors open, not having HPV set
If Traction Self-Test fails, how long before it can be retested?
3 minutes
What cab do we perform the detailed brake test from?
Lead cab
What cab do we perform the HCS test from?
Lead cab
