Electrical Detector

Railway Signalling Electrical Detector

Railway Signalling Electrical Detector The electrical detector is an electromechanical device to check the position for correct setting and locking of points through making an electrical contact, which closes a circuit. It has two sets of fixed contacts. In centre, bridging contact assembly on a roller cam shaft, which works in conjunction with the points […]

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Calculations

Railways Signalling Equipment Power Calculations

Railways Signalling Equipment Power Calculations Supply to different functions vary according to the type of signaling and type of equipments used . For example, signal heads may be fed at 110/12 V  AC, 12 V DC, or maybe of LED type. Normally, the input to signaling installations will be of 650Volts which is stepped down and […]

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Railway Signalling Speed Restrictions

Railway Signalling Speed Restrictions

Railway Signalling Speed Restrictions – Presentation DEFINITIONS PERMISSIBLE SPEED – The authorized maximum speed over a section of line. TEMPORARY SPEED RESTRICTION – A speed, less than the permissible speed, applied for a pre-planned period not normally exceeding 6 months. EMERGENCY SPEED RESTRICTION – A speed restriction not shown in the Weekly operating Notice (WON), or […]

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Metro Rail Restricted Manual Mode Cut Out Mode

Metro Rail Emergency track side work traffic hours

Metro Rail Emergency track side work traffic hours Metro Rail Emergency track side work traffic hours – (1) No routine maintenance shall be undertaken during the hours in which train services normally run except as provided for in sub-rule (2). (2) If emergency repair work is required to be carried out to prevent accidents or to maintain or restore […]

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