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.
Railway Audio frequency jointless track circuit Railway Audio frequency jointless track circuit – Why AFTC? Jointless Immune to traction voltages Long length Both rails available for traction currents Broken Rail Detection in both rails Superior Train Shunt Detection End fed track circuit Operating frequencies Principle of operation “Electronic” separation joint TI21 […]
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Railway Route Release Circuits Railway Route Release Circuits:- Approach locking Release of Approach locking as per GK/RT0063, para 4.2. Approach locking shall be released, after replacement of the signal to danger, either by. the train passing the signal is detected such that the route or track locking is effective for the route ahead of the […]
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Railway CBTC Equipment CBTC Components Vehicle On-Board System: 1. Vehicle On-Board Controller (VOBC) 2. Thales Radio (composed of Mobile Radio, Switches for Trusted and Untrusted Networks and Security Device); 1. Train Operator Display (TOD); 2. Transponder Interrogator (TI) with transponders; 3. Proximity Sensor with proximity plates; 4. Speed Sensors; and 5. Accelerometers. Wayside Equipment:- 1. […]
Continue ReadingSMC PLC Overview JNUP The SMC PLC system is used for the transmission of non-vital inputs and outputs between the field equipment and the SMC. 1. It relieves the SCS of having to process functions which are not safety-critical. 2. Typical functions handled by the SMC PLC are: 3. SER security and power alarms 4. […]
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CBTC Overview Wayside Equipment This document defines the wayside equipment connected with CBTC. System Hardware 1. System Management Centre (SMC) at the SCC 2. SMC workstations at the SCC 3. Remote terminals for the SMC ESCC 4. SMC remote terminals at other locations on the wayside 5. Vehicle Control Centre (VCC) located within the SCC CER […]
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RAILWAY SURELOCK POINTS RAILWAY CLAMPLOCK GROUND LOCK CLAMPLOCK CONTROL CIRCUITS (L.H. TURNOUT) CLAMPLOCK ELECTRICAL CONNECTIONS CLAMPLOCK DETECTOR ELECTRICAL CONNECTIONS CLAMPLOCK DETECTION CIRCUIT (L.H. TURNOUT) * Normal detection: The BX feed enters the right hand unit on terminal ‘E’, passes through the right limit switch first and then through the left switch […]
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