Information About Axle Counter,Track Structure Point & Crossing,Cable Schematics,CBTC Equipment,Overlaps,Core Plans,Earthing,ERTMS,Headway Calculation,Hot Axle Box Detectors,Interface Design,Level Crossing,Markers & boards,Bonding Plan Electrical Lockings,Route locking,Automatic Warning Systems AWS,Point Circuit,Equipment Treadle,Track Layout,Track Circuit Interrupters,Train Protection Warning System (TPWS),Slip Siding & Catch Siding.
Power Supply Railway Signalling Lightning Protection Earthing What is a Power Supply? 1. Electrical supply used for Signaling purposes. Different types of equipment need different voltages. 2. Supply is extended by the Electrical department based on the requirement of signaling. 3. Signalling has to provide the details of locations and maximum load at each location. 4. […]
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Railway Signalling Speed Restrictions – Presentation DEFINITIONS PERMISSIBLE SPEED – The authorized maximum speed over a section of line. TEMPORARY SPEED RESTRICTION – A speed, less than the permissible speed, applied for a pre-planned period not normally exceeding 6 months. EMERGENCY SPEED RESTRICTION – A speed restriction not shown in the Weekly operating Notice (WON), or […]
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Railway Signalling Production Records Production Office Copy :- Once the producer takes up the job of designs, he makes alterations to the source records (Negative/CAD) ,including incrementing the version and conducts production checks. After independent checking is done, the producer updates the designs to checkers observations by making relevant alterations to the source records. Production Office […]
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Railway Migration Thales Migration is the staged process of changing from the existing signalling system to the new TBTC system for the Jubilee and Northern Lines. As each phase of migration is introduced, a new boundary with the existing system is created and the boundary from the previous phase is removed. Trains retain their existing […]
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Railway Signalling Design Specification Method 1. A draft specification should be prepared in which all of the topics contained within the following guidelines are considered for inclusion if their application is appropriate to the signalling scheme. 2. To enable the specification to be recognised within a standard format there may be benefit in providing all headings […]
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RAILWAY HVI AND AUDIO FREQUENCY TRACK CIRCUITS|INTRODUCTION|PRINCIPAL OF OPERATION|TRACK CIRCUIT LENGTHS|WIRING DIAGRAM|APPLICATION RAILWAY HVI AND AUDIO FREQUENCY TRACK CIRCUITS INTRODUCTION PRINCIPAL OF OPERATION TRACK CIRCUIT LENGTHS WIRING DIAGRAM APPLICATION
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