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 Signalling Coded Track Circuits D.C. Coded Track Circuits Coded Track Circuits • D.C. Relay Coded Track Circuits • Solid-State Coded Track Circuits – Electrocode – Microtrax D.C. Coded Track Circuits 1. Transmitter – Sends a coded D.C. voltage (Square Wave) 2. Receiver – Decodes signal 3. Dependent on the code rate, receiver will : […]
Continue Reading
Metro Rail Train Defects Train Defects (1) No train with defective safety equipments, cab signaling, leading cab controls, interior lighting, ventilation, brakes or doors shall remain in passenger service, and it shall be removed from service at the earliest opportunity. (2) (i) If traction power is lost on any car bogie, the train need not […]
Continue Reading
Metro Rail Train detained on Line Train detained on Line (1) If a train operating under Automatic Train Operation or cab signals comes to a stop on a running line and does not receive a proceed code within sixty seconds, the Train Operator shall inform the Traffic Controller by the radio and ask for instructions. […]
Continue Reading
Railway Signalling Outdoor Indoor Cables External Data Transmission Cables 1. For axle counter data between the ACE and the EAKs the transmission is over a voice frequency carrier, and hence twisted pair cable is required. Because the transmission distances are restricted to maximum 2 km, it is not necessary to individually shield each pair, and […]
Continue Reading
Railway Computer Based Interlocking CBI Track Vacancy Detection Signals Point Machines (i) Computer Based Interlocking (CBI):- The entire line including turn backtrack, transfer track, and sidings will be equipped with CBI system for the operation of points and crossings and setting of routes. The setting of the route and clearing of the signals will be […]
Continue Reading
Railway Signalling Automatic Train Control Protection ATP ATO ATS Continuous Automatic Train Control:- Continuous Automatic Train Control based on CBTC will consist of – ATP (Automatic Train Protection), ATO (Automatic Train Operation) and ATS (Automatic Train Supervision) sub-systems: Automatic Train Protection (ATP) :- Automatic Train Protection is the primary function of the train control systems. This […]
Continue Reading