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Indian Railways - AC Traction Manual
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Volume-II Part-I
20609
Elementary Sections: are referred to by four/five digit numbers. The sections are numbered serially in the direction of power supply i.e., from the feeding post/substation towards the neutral section or the terminal point. At each feeding post/sub-station a new series of numbers starts. The first two/three
digits represent the interrupter controlling feed to the section and the last two digits the serial number of the elementary section. Up line elementary sections have progressively odd numbers and Down line elementary sections have progressively even numbers. e.g., elementary section 0202 means the first elementary section from the feeding post/sub-station on the down line, fed by interrupter 02. Whenever there is a doubt in the description, the person asking for power block shall state clearly the track and OHE structure numbers between which work is to be done.
Негізгі бет Procedure for Power Block - Disconnection of OHE in Indian Railways 4K UHD
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