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