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Train Driving > Siemens Electric > Flashcards

Siemens Electric Flashcards

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1
Q

What is the 1500vDC equipment
(6 answers)

A

Pantos
High speed circuit breaker
Static inverters
Surge arrester
Traction inverter
Ground switch

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2
Q

What is the purpose of the surge arrester

A

To ground surges if power from the overhead wire

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3
Q

What is the high voltage container for

A

Collection point of the 1500 v DC from the Pantos

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4
Q

Where is the HSCB

A

In the high voltage container

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5
Q

What is the purpose of the HSCB

A

It safely disconnect the traction equipment from the overhead in event of over- supply, traction fault or short circuit

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6
Q

What is the purpose of the traction inverter

A

Converts 1500 vDC to 3 phase variable AC to the traction motors

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7
Q

What is in the static inverter unit

A

2 static inverters
Batter charges

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8
Q

What equipment is powered by 400vAC

A

Battery charger
Air compressor
Traction control unit
HVAC/Air Con

240 v AC GPO

B.A.T.H G

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9
Q

What voltage does the GPO use

A

240v AC

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10
Q

What does the battery charger power
(8 answers)

A

Direct charge of the batteries
Communication system
Internal and external lighting
Door system
Traction control equipment
EP brake control equipment
Safety loop
Other various control circuit and equipment

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11
Q

When are the batteries used

A

To raise the Pantos
Loss of power batteries will supply 110vDC

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12
Q

If one static inverter becomes defective on a unit, what will happen

A

Air cons will run at 50%

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13
Q

When one static inverter is defective, what indications will you get on the fault and status panel

A

Maintenance fault

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14
Q

What indication on the fault and status panel would you get if both static inverters failed on a unit

A

Critical defect/fault

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15
Q

On start up how do you raise the Pantos

A

place your key to the ON and press the Panto Up button

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16
Q

Where is the manual panto raise crank handle

A

Motor RHS door 2

17
Q

What is the first thing you will do if you need to go and manually raise a panto

A

Stable the train

18
Q

How is a saloon door isolated

A

Use tri key to isolate above each door

19
Q

If there is an obstruction in a door, what will the door do

A

Attempt to close 3 times and then stay open

20
Q

After how long so the saloon doors automatically close without the close command button

A

60 sec

21
Q

What button needs to be pressed to allow door 1&4 to remain open when assisting passengers with special needs

A

Auto door close inhibit

22
Q

When DER is operated, what indication will the driver get

A
  • DER indicator in active cab
  • flashing door close light
  • Audible warning buzzer
23
Q

What voltage energises the safety loop

A

110v DC

24
Q

How does the driver manually open the safety loop ( 4 answers)

A

Emergency stop button
Master controller to emergency
Dead man features
Master key to OFF

25
Q

What other equipment/ functions will open the safety loop (8 answer + circuit breakers)

A

Semi- permanent coupler fails
Electrical coupler fails
Over speed is exceeded
Critical fault in brake unit
Main res falls below 600kpa
Trip activated
VICERS active
Short circuit in safety loop

Circuit breakers:
Safety loop
Emergency brake valve
Friction brake and monitoring
Automatic coupler control in the leading centre cab
Cab/train manned

26
Q

After the safety loop opens, how can it be reset

A

Master controller to 0 position

27
Q

If the safety loop is by-pass, do any of the ESB buttons work

A

Only active cab

28
Q

If the safety loop bypassed, will the pilot vales still open

A

No

29
Q

If the safety loop is bypassed, what button needs to be pressed to keep the emergency brakes from applying

A

MAD button

30
Q

What equipment is task linked to VICERS

A

Master controller
Whistle

31
Q

After activation, how is VICERS reset

A

Train at 0km
Master controller coast “0”
Wait 10 sec
Push VICERS acknowledge button

32
Q

What do you do if VICERS fault light stays on after testing VICERS

A

Isolate and TMM to TC

33
Q

When testing VICERS what will the driver see

A

Acknowledge button will flash
Vigilance repeater light will flash in accordance with acknowledge button
Tone in the cab
Safety loop fault light will flash 3 times
BP will raise to Emy and lower to holding
Vigilance fault light will illuminate

Train Driving (91 decks)

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