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why should we place 9KV lightning arrestors in 11KV
substation ?

Answer Posted / neelesh gupta

The most simple funda for calculating LA Rating-

LA Rating = Rated Line Voltage* (Square Root 2) / (Square
Root 3)

To be more precise-

LA Rating = Rated line voltage*1.414/1.732

Suggestions welcome @ neel.kewl@gmail.com

Is This Answer Correct ?    29 Yes 11 No



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