Railway CBTC Equipment

Railway CBTC Equipment

Railway CBTC Equipment, Railway CBTC Equipment,CBTC Components, Way side Equipment, Vehicle On-board control system,Train Operator’s Display, Train Speed and Movement Authority, Transponder Interrogator Unit (TIU), Speed sensors,proximity sensor,Mobile Radio Unit,Antennas, WRU (Way Side Radio) Unit,Axle Counter Block Functioning, Axle Counter Detection Point, Signal Layout, Signals     Railway CBTC Equipment CBTC Components Vehicle On-Board System: – Vehicle On-Board Controller (VOBC) – Thales Radio […]

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Determination of clearance point

Railway Use of Axle Counters,Fouling Point,Clearance point

Design Requirements,Design Consideration for choice of train detection, Use of Axle Counters,Fouling Point,Clearance point,Determination of clearance point Railway Use of Axle Counters,Fouling Point,Clearance point The Design requirements for train detection systems includes the following: Interface with authorised rail vehicles(positioning of IRJs, minimum track circuit lengths, which may be dependent on permissible speed, and interlocking measures to […]

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Insulated Rail Joints

Railway Insulated Rail Joints

Insulated Rail Joints,Insulated Rail Joints Buffer Stops Railway Insulated Rail Joints Insulated Rail Joints (IRJs) are required to join together mechanically but no electrically. they are required for the follwing purposes: to define the limits of jointed track circuits, to provide insulation between rails at S&C, necessitating track circuit transpositions, where transpositions are required for […]

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Minimum Length

Railway Bonding Details in D.C. Electrified Areas

Bonding Details in D.C. Electrified Areas,Minimum Length,Minimum length of track section,Dimensions Value Railway Bonding Details in D.C. Electrified Areas Railway Bonding Details in D.C. Electrified Areas :- Separate Track Plans and Negative Bonding Plans are only used on the former Southern Region. The impedance bond rail connections and the bond to bond connections must be shown […]

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Typical earth arrangement in a loc

RAILWAY EARTHING EQUIPOTENTIAL BONDING & LIGHTENING PROTECTION

EARTH ELECTRODES,Earthing,Requirements,Typical Bonding Arrangements,Typical Bonding Arrangements,Equipotentail Bonding,RT/E/C/11600 Part J,Lightning Protection,Equipotential Bonding RAILWAY EARTHING EQUIPOTENTIAL BONDING & LIGHTENING PROTECTION Earthing RT/E/C/11210 App 2J10 says that all metal work in a relay room must be earthed unless it is double insulated. Other metal works also need to be earthed if under fault conditions they come in contact […]

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Signal Stick Circuit

Railway Control Table

Railway Control Table,What is control table,Purpose & Conventions Control Table For Signal/Routes,SIGNAL CONTROL REQUIRES,Signal Stick Circuit,Aspect Sequence,Automatic Warning system (AWS),Approach Locking Railway Control Table What is control table? A control table is a formal tabulation of the signal, point and other controls associated with an electrical or electronic signalling system, showing the interlocking and other […]

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BONDING

Railway Train detection

Railway Train detection,SYSTEM SAFETY,PERFORMACE REQUIREMENTS,OCCUPATIONAL SAFETY,MAINTAINABILITY,RELIABILITY,OCCUPATIONAL SAFETY,ENVIRONMENT,DISCRETE SYSTEM,CONTINUOUS SYSTEM,MOVING BLOCK SYSTEM,Block Systems,Level Crossing,BONDING Railway Train detection PERFORMACE REQUIREMENTS SYSTEM SAFETY OCCUPATIONAL SAFETY RELIABILITY MAINTAINABILITY ENVIRONMENT SYSTEM SAFETY -GENERAL   SYSTEM SAFETY SAFETY INTEGRITY LEVEL SAFETY PERFORMANCE BENCH MARK SERIES TRACK CIRCUIT BONDING OVERCURRENT PROTECTION INSULATION AND ISOLATION SURGE ARRESTERS POSITION OF TRAIN DETECTION EQUIPMENT OCCUPATIONAL […]

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Center Fed AFTC

Railway Audio Frequency Track Circuits

ALLOCATION OF FREQUENCIES,Railway Audio Frequency Track Circuits,PRINCIPLES OF THE OPERATION,Quadruple lines,TRANSMITTER -Tx,RECEIVER -Rx,TUNING UNITS,CONFIGURATIONS OF AFTC,Center Fed AFTC,TRACK CIRCUIT LENGTHS,TRACK CIRCUIT LENGTHS,PHYSICAL REQUIREMENTS,WIRING DIAGRAM Railway Audio Frequency Track Circuits It’s a type of AC track circuit in which audio frequency signals are used instead of pure AC or DC signals. Its generally a joint less […]

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