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KNOWLEDGE SHARING 
SYSTEM WORK 
PRESENTED BY 
MOHD ZAMIR ABDUL RAHMAN 
QUANTITY SURVEYOR 
MMC CORPORATION BERHAD GAMUDA BE...
TRACTION & 
POWER 
SUPPLY (TPS) 
 INTRODUCTION 
 PURPOSE OF 
TRACTION & POWER 
SUPPLY 
 EQUIPMENTS & 
FUNCTIONS 
 JMI ...
INTRODUCTION 
 Electric power from a generating station is transmitted to grid 
substations using a three-phase distribut...
 Power Supply is used for signalling operation, communication 
equipment, station and buildings, etc 
 Receive electrica...
 132Kv/25Kv Power Transformer 
This transformer is installed in a 
traction sub-stations along side the 
rail track and i...
 Circuit Breaker 132/25 Kv 
A circuit breaker in a substation is a 
form of protection, designed to 
break fault current ...
 Circuit Switchgear 25 Kv 
A switchgear has the main function of 
protecting a circuit. This also 
provides the isolation...
 Isolator / Disconnector 
To ensure that an electrical circuit is 
completely de-energised for service 
or maintenance. 
...
 Voltage & Current Transformer 
Used for measurement of alternating 
electric currents. When current in a 
circuit is too...
 Control & Protection Panel 
To control and protect all equipment in 
the modular buildings 
Consist of relays, cabling, ...
 Prefabricated Modular Building 
Consist of equipment, protection 
panel, battery room, RTU cabinet, 
comm’s rack, circui...
 Remote Terminal Unit (RTU) 
Brain to the equipments inside 
Modular Building and at the 
trackside. For communication at...
JMI PROCEDURE 
Request For Inspection 
(RFI) being issued by 
BBASJV 
KSET will review JMI 
document & drawings 
Going to ...
 
 
 
 
MMC CORPORATION BERHAD GAMUDA BERHAD
 An overhead line or overhead wire is used to transmit electrical 
energy to the trains. 
 Electric trains that collect ...
 As the contact wire makes contact with the pantograph, the carbon 
insert on top of the pantograph is worn down. 
 On s...
REW wire Insulator Contact Wire CatenaryWire 
Dropper Wire 
OCS Mast 
Overhead Catenary System 
MMC CORPORATION BERHAD GAM...
OCS Mast 
 Erected to convey REW wire and 
contact and catenary wire. 
 A soil test will be carried out first 
then an a...
Pre-Wiring 
 Consist of aluminum tube with 
clip and bracket used to hold the 
contact and catenary wire. 
 Also attache...
Wiring 
 Used to supply electricity power 
to the train. 
 Consist of contact & catenary 
wire attached at cantilever. 
...
Registration 
 After finish install pre wiring 
and wiring work, a team will do 
registration works. 
 They will check t...
Dropper Wire 
 Dropper wires traditionally 
provide physical support of the 
contact wire without joining the 
contact an...
Balance Weight 
 Catenary wires are kept at a 
mechanical tension because the 
pantograph causes mechanical 
oscillations...
Drop Tube 
 Usually installed at station 
where mast cannot be used to 
hold the wire. 
 Made from steel structures to 
...
APC Magnet 
 The APC magnet instructs an 
electric locomotive to open the 
circuit breaker and switch back 
afterwards. 
...
Motorised Isolator RTU 
 To isolate an electrical section 
 High-voltage isolation switches 
are used in electrical subs...
Neutral Section 
 Short insulated dead overhead 
equipment separating sectors fed by 
two adjacent substations which are ...
Track Bonding 
 Current discharge path to track 
to prevent imbalance current. 
 All equipment attached to the 
rails sh...
SIGNALLING 
 INTRODUCTION 
 EQUIPMENTS & 
FUNCTIONS 
 JMI PROCEDURE 
 ISSUES/PROBLEM 
RELATED DURING 
JMI 
MMC CORPORA...
INTRODUCTION 
Signalling is a device by which the movement of the 
train is controlled. 
Purpose of Signalling: 
Operatin...
EQUIPMENTS & FUNCTIONS 
 Signalling cable 
- To connect all equipments to the 
trackside. Power supply cable consist 
of ...
EQUIPMENTS & FUNCTIONS 
Automatic Train 
Protection 
- A safety system comprises of track 
mounted equipment which relays...
EQUIPMENTS & FUNCTIONS 
 Precast Foundation 
- Foundation for Signalling equipment 
cases such as EB, DB, TPCP, LSC, 
Sig...
EQUIPMENTS & FUNCTIONS 
 Signal Post 
- Carries signal lights unit consisting 
one or more aspects. Made of steel 
struct...
EQUIPMENTS & FUNCTIONS 
 Equipment Box (EB) 
- Consist of power supply, relays and 
terminal rack for signalling 
equipme...
EQUIPMENTS & FUNCTIONS 
 Technician Point 
Control Panel (TPCP) 
- Consist of power supply to control the 
point machine ...
EQUIPMENTS & FUNCTIONS 
 Block Line Side 
Cabinet (LSC) 
- Control signalling equipments at 
trackside but with less equi...
EQUIPMENTS & FUNCTIONS 
 Level Crossing 
- A safety barrier to stop all the traffic 
and clear the track so train can pas...
EQUIPMENTS & FUNCTIONS 
 Industrial Computer 
- To monitor all equipments, detect any 
failure from equipments. Located a...
COMMUNICATIONS 
 INTRODUCTION 
 EQUIPMENTS & 
FUNCTIONS 
 JMI PROCEDURE 
 ISSUES/PROBLEM 
RELATED DURING 
JMI 
MMC COR...
INTRODUCTION 
 The primary purpose of the communications system is to rapidly 
transport data and voice signals for parti...
INTRODUCTION 
Main System:- 
 Digital Transmission System (DTS) / Backbone or Fiber-Optic Trunk 
Subsystems:- 
 Private ...
MMC CORPORATION BERHAD GAMUDA BERHAD
 Private Automatic Branch 
Exchange (PABX) 
To provide voice communication to 
all stations, halts, new railway 
offices,...
 Passenger Information 
Display System (PIDS) 
The system will provide free-format 
information on the running of 
trains...
 Public Address System (PA) 
The Long Line Public Address 
System will allow a central point 
to make announcements (by 
...
 Telephone System (PABX) 
To provide voice communication 
within the railway premise 
among railway personnel and 
the pa...
 CCTV 
The purpose of CCTV is to provide 
surveillance of critical locations 
throughout the rail system for 
security pu...
 Centralized Clock System 
The purpose of the Centralized 
Clock System is to provide real 
time synchronization of the 
...
 24 Core Fibre Optic Cable 
To connect all equipment at the 
platform such as CCTV, speaker, 
PIDS and other Comms 
equip...
ELECTRIFIED DOUBLE TRACK 
PROJECT 
IPOH - PADANG BESAR 
MMC CORPORATION BERHAD GAMUDA BERHAD
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System Works Knowledge Sharing

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The slide is basically to show the general knowledge about the System Works for this Electrified Double Track Project between Ipoh & Padang Besar, the Equipments & its Functions.I have presented this slide to my college in Commercial Department and I want to share this little of my contribution to all linked in members.Hope we can get some benefit from this slide.Thank You

Published in: Engineering

System Works Knowledge Sharing

  1. 1. KNOWLEDGE SHARING SYSTEM WORK PRESENTED BY MOHD ZAMIR ABDUL RAHMAN QUANTITY SURVEYOR MMC CORPORATION BERHAD GAMUDA BERHAD
  2. 2. TRACTION & POWER SUPPLY (TPS)  INTRODUCTION  PURPOSE OF TRACTION & POWER SUPPLY  EQUIPMENTS & FUNCTIONS  JMI PROCEDURE  ISSUES/PROBLEM RELATED DURING JMI MMC CORPORATION BERHAD GAMUDA BERHAD
  3. 3. INTRODUCTION  Electric power from a generating station is transmitted to grid substations using a three-phase distribution system.  At the grid substation, a step-down transformer is connected across two of the three phases of the high-voltage supply.  The transformer lowers the voltage to 25 kV which is supplied to a railway feeder station located beside the tracks MMC CORPORATION BERHAD GAMUDA BERHAD
  4. 4.  Power Supply is used for signalling operation, communication equipment, station and buildings, etc  Receive electrical power from TNB, transform it to the required voltage and distribute it to electric trains continuously along the railway. Requirement for Traction Power:  Reliability  Availability  Maintainability  Safety MMC CORPORATION BERHAD GAMUDA BERHAD
  5. 5.  132Kv/25Kv Power Transformer This transformer is installed in a traction sub-stations along side the rail track and is used to feed 25KV. AC power to railway electric locomotives. It will receive from TNB Power Supply 132 and reduce the voltage to 25 Kv using the transformer. MMC CORPORATION BERHAD GAMUDA BERHAD
  6. 6.  Circuit Breaker 132/25 Kv A circuit breaker in a substation is a form of protection, designed to break fault current (the large volume of current that flows when a fault is detected. A protection device used to protect equipment from damage and people from dying, that may be in contact. MMC CORPORATION BERHAD GAMUDA BERHAD
  7. 7.  Circuit Switchgear 25 Kv A switchgear has the main function of protecting a circuit. This also provides the isolation of circuits from power supplies thus protecting the people working. To maintain it and enhancement of the system availability by allowing more than one electric current source to flow through a load. MMC CORPORATION BERHAD GAMUDA BERHAD
  8. 8.  Isolator / Disconnector To ensure that an electrical circuit is completely de-energised for service or maintenance. High-voltage isolation switches are used in electrical substations to allow isolation of apparatus such as circuit breakers, transformers, and transmission lines, for maintenance. MMC CORPORATION BERHAD GAMUDA BERHAD
  9. 9.  Voltage & Current Transformer Used for measurement of alternating electric currents. When current in a circuit is too high to apply directly to measuring instruments. A current transformer produces a reduced current accurately proportional to the current in the circuit. MMC CORPORATION BERHAD GAMUDA BERHAD
  10. 10.  Control & Protection Panel To control and protect all equipment in the modular buildings Consist of relays, cabling, metering panels, battery and other equipments inside the panels. MMC CORPORATION BERHAD GAMUDA BERHAD
  11. 11.  Prefabricated Modular Building Consist of equipment, protection panel, battery room, RTU cabinet, comm’s rack, circuit breaker, disconnector. Located at each Feeder Station (FS) along the railway track and also Mid Point Track Section Location (MPTSL), DFL & TCBL. MMC CORPORATION BERHAD GAMUDA BERHAD
  12. 12.  Remote Terminal Unit (RTU) Brain to the equipments inside Modular Building and at the trackside. For communication at the trackside. Install at each Feeder Station (FS) along the railway track and also Mid Point Track Section Location (MPTSL), DFL & TCBL. MMC CORPORATION BERHAD GAMUDA BERHAD
  13. 13. JMI PROCEDURE Request For Inspection (RFI) being issued by BBASJV KSET will review JMI document & drawings Going to site & do inspection with KSET, BBAS & MGJV Comment by KSET and put under SNAGLIST KSET will sign JMI document after inspection. BBAS needs to rectify SNAGLIST before T&C MMC CORPORATION BERHAD GAMUDA BERHAD
  14. 14.     MMC CORPORATION BERHAD GAMUDA BERHAD
  15. 15.  An overhead line or overhead wire is used to transmit electrical energy to the trains.  Electric trains that collect their current from overhead line use a device such as a pantograph  It presses against the underside of the lowest overhead wire, the contact wire.  Current collectors are electrically conductive and allow current to flow through to the train and back to the feeder station MMC CORPORATION BERHAD GAMUDA BERHAD
  16. 16.  As the contact wire makes contact with the pantograph, the carbon insert on top of the pantograph is worn down.  On straight track, the contact wire is zigzagged slightly to the left and right of centre at each successive support so that the pantograph wears evenly  Dropper wires provide physical support of the contact wire without joining the catenary and contact wires electrically. MMC CORPORATION BERHAD GAMUDA BERHAD
  17. 17. REW wire Insulator Contact Wire CatenaryWire Dropper Wire OCS Mast Overhead Catenary System MMC CORPORATION BERHAD GAMUDA BERHAD
  18. 18. OCS Mast  Erected to convey REW wire and contact and catenary wire.  A soil test will be carried out first then an auger machine will drill a hole to required depth.  They will check before mast been put and lastly concreting work to strengthen the mast. MMC CORPORATION BERHAD GAMUDA BERHAD
  19. 19. Pre-Wiring  Consist of aluminum tube with clip and bracket used to hold the contact and catenary wire.  Also attached with insulator to divide the contact system into some unattached electrical departments. MMC CORPORATION BERHAD GAMUDA BERHAD
  20. 20. Wiring  Used to supply electricity power to the train.  Consist of contact & catenary wire attached at cantilever.  Made from copper wire cause it is a good conductor.  A wiring train that have a drum cable will be used in this activity. MMC CORPORATION BERHAD GAMUDA BERHAD
  21. 21. Registration  After finish install pre wiring and wiring work, a team will do registration works.  They will check the height and stagger and all bracket were tighten to ensure that everything install smoothly. MMC CORPORATION BERHAD GAMUDA BERHAD
  22. 22. Dropper Wire  Dropper wires traditionally provide physical support of the contact wire without joining the contact and catenary wires electrically. Dropper Wire MMC CORPORATION BERHAD GAMUDA BERHAD
  23. 23. Balance Weight  Catenary wires are kept at a mechanical tension because the pantograph causes mechanical oscillations.  The wave must travel faster than the train to avoid producing standing waves that would cause wire breakage.  By using balance weight and tensioning the line will makes waves travel faster. MMC CORPORATION BERHAD GAMUDA BERHAD
  24. 24. Drop Tube  Usually installed at station where mast cannot be used to hold the wire.  Made from steel structures to give more stability to hold contact & catenary wire. MMC CORPORATION BERHAD GAMUDA BERHAD
  25. 25. APC Magnet  The APC magnet instructs an electric locomotive to open the circuit breaker and switch back afterwards.  Ease of installation and de-mounting of this super-strength low-maintenance magnet saves significant time and money. MMC CORPORATION BERHAD GAMUDA BERHAD
  26. 26. Motorised Isolator RTU  To isolate an electrical section  High-voltage isolation switches are used in electrical substations to allow isolation of apparatus such as circuit breakers and transformers, and transmission lines, for maintenance. MMC CORPORATION BERHAD GAMUDA BERHAD
  27. 27. Neutral Section  Short insulated dead overhead equipment separating sectors fed by two adjacent substations which are normally connected to different phases.  The neutral section is a dead zone and therefore, the locomotive has to negotiate the section in momentum.  The locomotive is switched off while negotiating the neutral section to avoid flash over. MMC CORPORATION BERHAD GAMUDA BERHAD
  28. 28. Track Bonding  Current discharge path to track to prevent imbalance current.  All equipment attached to the rails shall be designed to withstand the currents and voltages associated with the electric traction current MMC CORPORATION BERHAD GAMUDA BERHAD
  29. 29. SIGNALLING  INTRODUCTION  EQUIPMENTS & FUNCTIONS  JMI PROCEDURE  ISSUES/PROBLEM RELATED DURING JMI MMC CORPORATION BERHAD GAMUDA BERHAD
  30. 30. INTRODUCTION Signalling is a device by which the movement of the train is controlled. Purpose of Signalling: Operating rail traffic, safely, speedily and economically Increasing line capacity Providing systems on safe principles Preventing conflict movement on trains MMC CORPORATION BERHAD GAMUDA BERHAD
  31. 31. EQUIPMENTS & FUNCTIONS  Signalling cable - To connect all equipments to the trackside. Power supply cable consist of 4 Core (6mm) diameter. Point Machine - An electro mechanical device attached to turnouts to provide remote operation capability, thus allowing different routes for trains to be set. MMC CORPORATION BERHAD GAMUDA BERHAD
  32. 32. EQUIPMENTS & FUNCTIONS Automatic Train Protection - A safety system comprises of track mounted equipment which relays speed information to the train equipment and the drivers cab.  Axle Counter - A detection point comprises two independent sensors, detect the direction of a train by the order in which the sensors are passed. MMC CORPORATION BERHAD GAMUDA BERHAD
  33. 33. EQUIPMENTS & FUNCTIONS  Precast Foundation - Foundation for Signalling equipment cases such as EB, DB, TPCP, LSC, Signal.  Track Circuit - To detect the condition of the track segment which is occupied or not. Consist of a power supply & the system works under all weather condition. MMC CORPORATION BERHAD GAMUDA BERHAD
  34. 34. EQUIPMENTS & FUNCTIONS  Signal Post - Carries signal lights unit consisting one or more aspects. Made of steel structures.  Signal Head - Signal head consist of red, yellow & green lights. Gives the train driver necessary order & warning about the track. MMC CORPORATION BERHAD GAMUDA BERHAD
  35. 35. EQUIPMENTS & FUNCTIONS  Equipment Box (EB) - Consist of power supply, relays and terminal rack for signalling equipments.  Distribution Box (DB) - Consist of power supply, relays and terminal rack for signalling equipments. MMC CORPORATION BERHAD GAMUDA BERHAD
  36. 36. EQUIPMENTS & FUNCTIONS  Technician Point Control Panel (TPCP) - Consist of power supply to control the point machine operation.  SER Equipment Room - Monitoring all signalling equipments at the trackside. Located at the station. MMC CORPORATION BERHAD GAMUDA BERHAD
  37. 37. EQUIPMENTS & FUNCTIONS  Block Line Side Cabinet (LSC) - Control signalling equipments at trackside but with less equipments. Consist of relays, terminal rack & power supply.  Station Line Side Cabinet (LSC) - Control signalling equipments at trackside but with many equipments. Consist of relays, terminal rack & power supply. MMC CORPORATION BERHAD GAMUDA BERHAD
  38. 38. EQUIPMENTS & FUNCTIONS  Level Crossing - A safety barrier to stop all the traffic and clear the track so train can pass by. Consist of traffic light and barrier also with alarm sound. Uninterruptible Power Supply (UPS) - For back-up if there is a power failure and to avoid any interruptions on the systems traffic. Consist of Power Module & Battery Module. MMC CORPORATION BERHAD GAMUDA BERHAD
  39. 39. EQUIPMENTS & FUNCTIONS  Industrial Computer - To monitor all equipments, detect any failure from equipments. Located at station master office.  Shunter Panels/Local Control Panel - Used for shunter to get acceptance for signal such as shunt signal. MMC CORPORATION BERHAD GAMUDA BERHAD
  40. 40. COMMUNICATIONS  INTRODUCTION  EQUIPMENTS & FUNCTIONS  JMI PROCEDURE  ISSUES/PROBLEM RELATED DURING JMI MMC CORPORATION BERHAD GAMUDA BERHAD
  41. 41. INTRODUCTION  The primary purpose of the communications system is to rapidly transport data and voice signals for particular subsystems between passenger stations and halts, operational facilities, electrification facilities and CTC.  The secondary purpose is to present information to various end-users in desired formats.  Digital Transmission System comprises 24-core fiber optic cable system to be installed along the railway route. All voice and data traffic throughout the system is carried within this DTS. MMC CORPORATION BERHAD GAMUDA BERHAD
  42. 42. INTRODUCTION Main System:-  Digital Transmission System (DTS) / Backbone or Fiber-Optic Trunk Subsystems:-  Private Automatic Branch Exchange (PABX) – internal telephone network  PAX Type Signal Post Telephone (SPT) – wayside telephone network  Passenger Information System (PIS) - PIDS & PA System  Closed Circuit Television (CCTV) & Station SCADA  Video Wall System – CTC mimic panel  Primary Master Clock System – for standardization of time  Uninterruptible Power Supply (UPS) & Power Surge Protector  Data Transmission for systems by others MMC CORPORATION BERHAD GAMUDA BERHAD
  43. 43. MMC CORPORATION BERHAD GAMUDA BERHAD
  44. 44.  Private Automatic Branch Exchange (PABX) To provide voice communication to all stations, halts, new railway offices, CTC office, new depots, workshops, feeder Station buildings and Line side cabinets. MMC CORPORATION BERHAD GAMUDA BERHAD
  45. 45.  Passenger Information Display System (PIDS) The system will provide free-format information on the running of trains. This information will be displayed in key areas of stations and halts Type A1 Display – Terminal Type A2 Display –Waiting Hall Type A3 Display – Platform at Station Type A4 Display – Main entrance MMC CORPORATION BERHAD GAMUDA BERHAD
  46. 46.  Public Address System (PA) The Long Line Public Address System will allow a central point to make announcements (by announcer or voice synthesizer) To remote stations and halts either independently or in groups. MMC CORPORATION BERHAD GAMUDA BERHAD
  47. 47.  Telephone System (PABX) To provide voice communication within the railway premise among railway personnel and the passengers. MMC CORPORATION BERHAD GAMUDA BERHAD
  48. 48.  CCTV The purpose of CCTV is to provide surveillance of critical locations throughout the rail system for security purposes, crowd control and safety of passengers. MMC CORPORATION BERHAD GAMUDA BERHAD
  49. 49.  Centralized Clock System The purpose of the Centralized Clock System is to provide real time synchronization of the sub-systems that may require accurate real time information. MMC CORPORATION BERHAD GAMUDA BERHAD
  50. 50.  24 Core Fibre Optic Cable To connect all equipment at the platform such as CCTV, speaker, PIDS and other Comms equipments. MMC CORPORATION BERHAD GAMUDA BERHAD
  51. 51. ELECTRIFIED DOUBLE TRACK PROJECT IPOH - PADANG BESAR MMC CORPORATION BERHAD GAMUDA BERHAD

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