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Trainee Drivers SE > Electrostar Traction > Flashcards

Electrostar Traction Flashcards

1
Q

M O S L
Meaning

A

Motor open standard lavatory

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2
Q

P T O S L

A

Pantograph trailer open standard lavatory

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3
Q

D M O S

A

Driver motor open standard

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4
Q

4 car
Dual
Retractable

A

375.6
377.5

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5
Q

Which class
3 car DC fixed

A

375-3
377-3

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6
Q

Which class
4 car. Dual voltage. Retractable shoes

A

375-6
377-5

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7
Q

4 car
DC
Fixed

A

375-7
377-1
377-3
375-3

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8
Q

Which class
4 car DC. Retractable +. Anti icing or high density seating

A

375-8
375-9

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9
Q

ACM
3 different voltages and what’s used for each

A

110dc. Batteries , emergency lighting , control feed

240ac. Janitor sockets , body side heaters.

415ac. HVAC. Compressor (local & remote)

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10
Q

DMOS drivers side
B B B M M B

A

Battery box
Brake frame
Brake control unit
Main circuit breaker
Motor converter module
Brake fan resistor

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11
Q

DMOS non drivers side
A B C D E L (f/all) backwards

A

(Sand hopper)
(Back of brake resistor fan)
Line converter module
Earthing switch shoe gear
Do not touch- electrical connector gap
Contactor box (dc equipment)
Back of battery box
Auxiliary converter module

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12
Q

M O S L.
Layout outside

A

Motor open standard lavatory

Non drivers side
Contacter box. line converter module (375-6 & 377-5 only)

Drivers side
Brake frame - brake control unit - main circuit breaker - motor converter module - brake fan resistor

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13
Q

Body end cupboards MCBs x 4

A
  1. Brake controls
  2. Mitrac
  3. Compressor local & remote (PTSOL only)
  4. Auxiliary compressor (PTSOL only)
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14
Q

376 name the 5 cars

A

DMOS /A, MOS/A, PTOS, MOS/B, DMOS/B

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15
Q

Name the current limit index

A

4 car= 5
Max amount of coaches= 12
Max current limit index= 16

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16
Q

If current limit index is exceeded

A

You are drawing to much power and tripping MCBs at substation, MDC will advise on any isolation of traction motors/ MITRAC

17
Q

Can you couple 375 and 376

A

Yes but only for assistance, electrical and mechanical with restrictions (max 75mph)

18
Q

How do you know that shoes have been lowered

A

The line light will illuminate

19
Q

When you have wheel slide how will sand be dispersed

A

Automatically when in brake step 2 3 and 4

20
Q

When would you raise shoe gear

A

Fire on PLU on train
Blowing substation breakers MCB
Damaged shoe gear

21
Q

Which electrostar has no WC

A

376

22
Q

Where are DSIC found in electrostars and which model differs and why

A

DSIC are found at the end of each coach in the body end cupboard

In 377 units with 1st class doors, the DSIC will be found in the drivers cab

23
Q

Coach names for 375 and 377 4 car

A

DMOS/A
MOSL
PTOSL
DMOS/B

24
Q

Coach names for 375 3 car

A

DMOS/A
PTOSL
DMOS/B

25
Q

Where do you reset toilet smoke alarms in 377

A

Trip and reset toilet MCB in body end cupboard

26
Q

Can networkers and electro stars be coupled together

A

Yes but need a schrader hose and a fitter with an adapter, mechanically only

27
Q

Can all electrostars be coupled together

A

Yes but 375 and 376 cannot use SDO
Can be coupled mechanically and electrically but with restrictions

28
Q

What happens when you press emergency plungers on a 377

A

Collector shoes will raise, press shoes down to rectify

29
Q

When would you use a short circuit bar

A

1- anyone in contact or at risk of being in contact with the conductor rail
2- uncontrolled evacuation
3- fire arcing or smoke
4- other faults and failures

30
Q

What is different about 377 tail lights

A

They have an automatic tail light switch

31
Q

How do you access/ switch off on train cameras on a 377

A

Via Mitrac main settings

32
Q

What happens if the emergency cupboard in a 377 is opened

A

You receive a yellow B fault on Mitrac

33
Q

Which electrostars have SDO buttons

A

375s

34
Q

377 and 375 can they be coupled

A

No due to different operating systems on Mitrac

35
Q

Which side is BBBMMB

A

Driver’s side

36
Q

What is the current index limit on a 4 car train

A

5

37
Q

Which electrostars have no SDO function

A

377

Trainee Drivers SE (7 decks)

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