Answer / k.prakashchandra

Both are used for communication .OPGW means optical ground
wire .i.e. optical fiber cable inside the ground wire

what types of fault occurred in transmission line ? which protection function senses the fault?

1 Answers  

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1 Answers   Suzlon,

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2 Answers  

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1 Answers  

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What is the function of lead sheath?

2 Answers  

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