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Siemens Traction > Quiz > Flashcards

Quiz Flashcards

1
Q

What is the arrangement of a 3 car Siemens Unit?

A

DMA-T-DMB

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2
Q

How many PEl’s are in the saloon?

A

2
Next to doors 1 and 2

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3
Q

How many PEl’s are in the saloon?

A

2
Next to doors 1 and 2

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4
Q

What are the settings of the saloon lights?

A

Normal and Emergency

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5
Q

On which car is the traction container?

A

DM cars

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6
Q

Where is the towing cock located?

A

1 end, B side DM car

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7
Q

What are the reservoirs of 1 end of all cars?

A

Surge x2
Air suspension
Auxiliary

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8
Q

What extra reservoir is on 2 end of all cars?

A

Main reservoir

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9
Q

Where are the bogie and air suspension isolates?

A

In the brake modules

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10
Q

Where are the static inverters located?

A

On the trailer cars

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11
Q

Where are the compressors located?

A

A side of the trailer cars

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12
Q

What is on the motor car roof?

A

-Pamtograph
-Antenna
-Surge arrester
-HVACs

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13
Q

What is located in the trailer car roof?

A

HVACS

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14
Q

Where are the first aid kits located?

A

Cabinet behind driver

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15
Q

Where is the fire extinguisher located?

A

To the right of the driver, under dash

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16
Q

What position does the master selector switch and controller need to be in to remove the key?

A

Selector in Neutral
Controller in B6

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17
Q

What are the positions of the master selector switch?

A

Forward
Neutral
Reverse
Set speed

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18
Q

What are the positions of the master controller?

A

Emergency
Brake B1-B6
Coast 0
Drive D1-D7

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19
Q

When in Emergency, what brake type applies on the whole train?

A

Pneumatic friction brakes

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20
Q

At what speed does the holding brake automatically apply?

A

0.2km/h

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21
Q

When will the holding brake release?

A

-When traction power is detected
-When a brake request is made

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22
Q

What would happen if the park brake is applied on the train if the speed in above 5km/h?

A

Safety loop will open
Emergency brake will apply

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23
Q

How is the hand pilot valve operated?

A

Twist the top of the master controller handle

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24
Q

How long after releasing the pilot valve will you receive an emergency brake application?

A

3 seconds
3 beeps and then the safety loop will open

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25
Q

If the emergency brake is initiated by letting go of the pilot valve, how and when can it be reset?

A

-Train must be stationary
-Master controller to coast

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26
Q

What is set speed used for?

A

Low speed and shunting movements

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27
Q

When will the overspeed light illuminate?

A

Set speed- 6km/h
Forward- 120km/h

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28
Q

When in Forward, at what speed will the emergency brake apply?

A

125km/h

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29
Q

When the overspeed light illuminates, what other indicator will you get?

A

Audible tone

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30
Q

When the master key is in and on, what button in the active cab won’t operate?

A

Train stable button

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31
Q

What does the safety loop fault light indicate?

A

Safety loop is open, emergency brake is applied

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32
Q

What does a critical fault light indicate?

A

-Safety critical failures of the EP brake system
-Complete loss of auxiliary power (both SIVS failed)

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33
Q

What does the Reduced performance fault light indicate?

A

One or more traction systems has become defective

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34
Q

If a door fault occurs, when will the Door System fault light extinguish?

A

Once the defective door has been isolated

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35
Q

What does a compressor fault light indicate?

A

Air pressure drops below the pressure setting

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36
Q

What does the line voltage light indicate?

A

Overhead power is present

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37
Q

When in rescue mode, what will the BP mode indicator light do?

A

It will flash in every cab

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38
Q

What is the ED brake inhibit button for?

A

Used for testing the operation if the EP brake by isolating the ED brake. For maintenance purposes

39
Q

Once the ED brake inhibit is pressed, how long is the electric brake isolated for?

A

5 minutes

40
Q

When could the ED brake inhibit light illuminate?

A

During wheel slip and the ED brake is knocked out for EP brake application

41
Q

How many CB’s are in the cabinet?

A

36

42
Q

What are the bypass switches in the cabinet?

A

-Door loop bypass
-Safety loop bypass
-Trip cock bypass

43
Q

How many positions does the BP mode switch have?

A

5

44
Q

What is the deadmans switch for?

A

Used to activate the pilot valve test mode to test pilot valve functionalities

45
Q

Once placed to on, how long is the deadmans test switch available for?

A

60 seconds

46
Q

Which two MCB’s differ between a DMA and a DMB car?

A

DMA= PA system
DMB= CCTV recorder inverter

47
Q

What does turning the door loop bypass key switch enable?

A

Get traction power regardless of the position of the doors

48
Q

When the safety loop bypass is operated, does it bypass all of the equipment on the safety loop?

A

No

49
Q

What does the Safety loop bypass bypass?

A

Pilot valves
Low MR
Holding brake relay
Door close relay
Overspeed
BCU major event relay
Auto coupler relay
ESB’s in non-active cabs

50
Q

What does the trip cook bypass do?

A

Bypass the trip in the even of a defect

51
Q

When the safety loop or trip cock bypass are turned, how is the timer of the secondary circuit reset?

A

MAD button
45 steady, 10 seconds flash

52
Q

Here are the trailer MCB panel and fault lights located?

A

Above door 2

53
Q

What is the 1500v DC equipment?

A

Panto
Surge arrestors
High voltage container
HSCB
Traction container
Static inverter

54
Q

What is the purpose of the surge arrestors?

A

To protect the high voltage equipment from a surge from the overhead

55
Q

What is the high voltage container for?

A

Collection point for the 1500v DC from the panto
Distributes to the traction container and SIVS

56
Q

Where is the HSCB?

A

In the high voltage container

57
Q

What is the purpose of the HSCB?

A

Disconnects traction equipment from the overhead in the case of an over current supply, traction fault or short circuits

58
Q

What is the purpose of the traction container?

A

-Converts 1500v DC to 3 phase variable AC for the traction motors
-Houses the TCU

59
Q

What is in the static inverter unit?

A

2 SIVS and a battery charger

60
Q

What equipment is powered by the 400v AC from the SIVS?

A

-Battery charger
-Air compressor
-Traction control module
-HVACS
-GPOs

61
Q

What voltage to the GPOs use?

A

240v AC

62
Q

What does the battery charger power?

A

-Charges the battery
-Communication system
-Lighting
-Door system
-Traction control system
-EP brake control
-Safety loop

63
Q

When are the batteries used?

A

-Loss of overhead
-Both SIVS fail on a unit
-Startup and raising pantos

64
Q

Is one SIV becomes defective on a unit, what will happen?

A

Contacted closes automatically to allow remaining SIV to supply to all of the auxiliary equipment

65
Q

What indicators will you get on the fault status panel when a SIV fails?

A

-Maintenance fault light and Unit (1 or2)
-SIV light will illuminate on the T car fault panel

66
Q

What happens to the HVACS when one SIV fails?

A

They run at 50% capacity

67
Q

What indication on the fault and status panel would there be if both SIVs fail on a unit?

A

Critical defect

68
Q

How are the pantos raised on startup?

A

-Key in and On
-Wait for audible tones to stop
-Press panto raise button
-Check SPB is on
-Check high voltage light on
-Check panto raise button extinguished

69
Q

Where is the manual panto crank handle?

A

Right of door 2 on a motor car

70
Q

What must you do first before manually raising a panto?

A

Train stable

71
Q

How is a saloon door isolated?

A

Tri-key at the door

72
Q

If the door is obstructed, what will occur?

A

Attempt to close 3 times at 3 second intervals, then remain open

73
Q

After how long will the saloon doors automatically close?

A

60 seconds

74
Q

What button allows doors 1 and 4 to remain open when assisting a wheelchair?

A

Auto door close inhibit

75
Q

What indication does the driver get when a DER is pulled?

A

-DER indicator light
-Audible tone
-CCTV and PEI become active once answered

76
Q

What voltage energies the safety loop?

A

110v DC

77
Q

What opens the safety loop? (10)

A

-ESB
-Master to emergency
-Releasing pilot valve
-Key to off
-Coupler failure
-Overspeed
-Critical fault in BCU
-Main res below 600kpa
-Trip activation
-VICERS timeout

78
Q

After the safety loop has opened, how can it be reset?

A

Master controller to Coast while train is stationary

79
Q

If the safety loop is bypassed, do any ESBs work?

A

Only in the leading cab

80
Q

Will the pilot valves still operate if the safety loop is bypassed?

A

No

81
Q

If the safety loop is bypassed, what button needs to be pressed?

A

MAD button

82
Q

What indication is received when a PEI is activated?

A

-Cab speaker on
-Warning tone
-PEI button will flash
After acknowledging:
-CCTV will activate

83
Q

What indication is given when the DDA is pressed?

A

-DDA request button flashes 5 times then goes steady
-After acknowledging, CCTV for 10 seconds

84
Q

What are the components of VICERS?

A

-Acknowledge button
-Audible tone
-Indicator light
-Vigilance Activation Relay

85
Q

What is task linked to the VICERS?

A

Master controller
Whistle

86
Q

What is the normal operating pressure of the Main reservoir?

A

850-1000kPa

87
Q

At what pressure of the main res will the compressor start?

A

850kPa

88
Q

What is the purpose of the air dryer?

A

Removes moisture, oil and debris from air

89
Q

What systems use compressed air?

A

-Main reservoir
-Auxiliary reservoir
-Air suspension reservoirs
-Horn
-Park brake

90
Q

What does the Auxiliary reservoir supply air to?

A

Pneumatic brake

91
Q

What is the function of the Surge reservoirs?

A

Supply air directly to the air bags when the train tilts, uneven load or any imbalance

92
Q

What brake systems are there?

A

Emergency
Holding
Service
Park

93
Q

What is holding brake pressure?

A

110kPa

Siemens Traction (2 decks)

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