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 Control Tables Presentation

Railway Signalling Control Tables Presentation

Railway Signalling Control Tables Presentation Railway Signalling Control Tables Presentation Control Tables are to be printed in A3 or A4 size. Criteria for the text size is readability and so A4 size is ok under favorable working conditions but A3 under poor working conditions. On A4 size prints, minimum text size of  2mm is considered […]

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