Railway Audio frequency jointless track circuit

Railway Audio frequency jointless track circuit

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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Voltage Impulse Track Circuit

Railway High Voltage Impulse Track Circuit

Railway High Voltage Impulse Track Circuit Railway High Voltage Impulse Track Circuit JEUMONT TRACK CIRCUIT Ensures correct shunting even on tracks where rust, scale, coal dust or sand contaminating the rail surface High voltage pulses of short duration separated by long intervals    1. To break down semi-insulating surfaces of the rail on occupation    2. […]

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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 […]

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Introduction of British Railway Signalling

Introduction of British Railway Signalling

Essentials of Interlocking|Introduction of British Railway Signalling|Need for technical innovation| Modern Signalling in British Railways|Route  Relay Interlocking-RRI|REMOTE INERLOCKINGS| IECC|Role of signalman in an IECC|From RRI to IECC|SIGNALLING ON SINGLE LINES|RETB| Assistance to driver|ATC/AWS|Limitation|ERTM|Need for Line side signals Introduction of British Railway Signalling Essentials of Interlocking 1. The essentials of safe and efficient signalling system are: […]

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