Electrostatic Induction

Railway Effect of A C Traction on S&T

Railway Effect of A C Traction on S&T   Signalling and Telecommunication systems are affected by A C Traction in following ways: 1. Visibility. 2. Interference due to – Conduction, Electric (Electrostatic) and Electromagnetic induction. 3. Visibility and Location of Signals. 4. On non‑electrified sections, signals are located so as to be clear of standard, […]

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Booster Transformer

Railway Return paths for Traction current and suppression at source 

Return paths for Traction current and suppression at source  1. Current is collected from the OLE by the train pantograph and taken to the train equipment 2. Having passed through equipment on train, current passes through axles and wheels of the traction unit to the running rails. 3. Current is returned to the feeder Station […]

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rail bond

Railway Bondings

Railway Bondings Bond – A suitably designed conductor electrically connecting together conductive parts. 1. Traction return running rail bonding. 2. Provided to ensure traction return running rails are electrically continuous throughout. 3. Traction return circuit shall consist of not less than two adequately rated metallic return paths to ensure integrity of system should one path […]

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Railway System of Electrical Control

Railway System of Electrical Control

Railway System of Electrical Control Apparatus for remote control of electrical equipment in the switching stations, known as SCADA, is located in Electrical Control Rooms. Each Electrical Control Room is continuously staffed by an Electrical Control Operator (s), who has control of the power supply to the electric traction system, and who is responsible for […]

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